{"id":424,"date":"2012-04-08T22:15:00","date_gmt":"2012-04-08T14:15:00","guid":{"rendered":"http:\/\/www.liuwenhao.me\/?p=424"},"modified":"2021-11-26T12:41:05","modified_gmt":"2021-11-26T04:41:05","slug":"%e6%88%91%e7%9a%84%e4%bd%9c%e5%93%81%e7%b3%bb%e5%88%9702usbhifi%e5%a3%b0%e5%8d%a1usb-z01%e8%ae%be%e8%ae%a1%e4%b8%93%e9%97%a8%e4%b8%ba%e5%8f%91%e5%8d%9a%e5%ae%a2%e8%80%8c%e5%86%99","status":"publish","type":"post","link":"https:\/\/www.liuwenhao.me\/?p=424","title":{"rendered":"[\u6211\u7684\u4f5c\u54c1\u7cfb\u521702]USB HiFi\u58f0\u5361USB-Z01\u8bbe\u8ba1(\u4e13\u95e8\u4e3a\u53d1\u535a\u5ba2\u800c\u5199)"},"content":{"rendered":"<div id=\"toc_container\" class=\"no_bullets\"><p class=\"toc_title\">\u5bfc\u822a\u76ee\u5f55<\/p><ul class=\"toc_list\"><li><a href=\"#i\">\u6458\u8981<\/a><\/li><li><a href=\"#i-2\">\u4e00\u3001 \u5f15\u8a00<\/a><\/li><li><a href=\"#i-3\">\u4e8c\u3001 \u7cfb\u7edf\u529f\u80fd\u63cf\u8ff0\u4e0e\u65b9\u6848\u8bbe\u8ba1<\/a><ul><li><a href=\"#1\">1 \u7cfb\u7edf\u529f\u80fd\u6982\u8ff0<\/a><\/li><li><a href=\"#2\">2 \u7cfb\u7edf\u65b9\u6848\u8bbe\u8ba1<\/a><\/li><\/ul><\/li><li><a href=\"#i-4\">\u4e09\u3001 \u7cfb\u7edf\u786c\u4ef6\u8bbe\u8ba1<\/a><ul><li><a href=\"#1-2\">1 \u9ad8\u8d28\u91cf\u7535\u6e90\u8bbe\u8ba1<\/a><ul><li><a href=\"#i-5\">\u7eb9\u6ce2<\/a><\/li><li><a href=\"#i-6\">\u6a21\u62df\u7535\u8def\u7535\u6e90\u8bbe\u8ba1<\/a><\/li><li><a href=\"#i-7\">\u6574\u6d41\u7535\u8def<\/a><\/li><li><a href=\"#i-8\">\u6ee4\u6ce2\u7535\u8def<\/a><\/li><li><a href=\"#i-9\">\u7535\u5bb9\u500d\u589e\u5668<\/a><\/li><li><a href=\"#i-10\">\u7ebf\u6027\u7a33\u538b\u5668<\/a><\/li><li><a href=\"#i-11\">\u4f4e\u7eb9\u6ce2\u53cd\u9988\u7535\u8def<\/a><\/li><li><a href=\"#i-12\">\u6570\u5b57\u7535\u8def\u7535\u6e90\u8bbe\u8ba1<\/a><\/li><\/ul><\/li><li><a href=\"#2-2\">2 \u6570\u5b57\u7535\u8def\u8bbe\u8ba1<\/a><ul><li><a href=\"#USBDAC\">USBDAC\u8bbe\u8ba1<\/a><\/li><li><a href=\"#SPDIF\">SPDIF\u8f93\u5165\u63a5\u53e3\u8bbe\u8ba1<\/a><\/li><li><a href=\"#i-13\">\u6570\u5b57\u4fe1\u53f7\u591a\u8def\u9009\u62e9\u5668\u8bbe\u8ba1<\/a><\/li><li><a href=\"#DAC\">\u9ad8\u6027\u80fdDAC\u8bbe\u8ba1<\/a><\/li><\/ul><\/li><li><a href=\"#3\">3 \u6a21\u62df\u7535\u8def\u8bbe\u8ba1<\/a><ul><li><a href=\"#IV\">I\/V\u53d8\u6362\u7535\u8def<\/a><\/li><li><a href=\"#i-14\">\u4f4e\u901a\u6ee4\u6ce2\u7535\u8def<\/a><\/li><li><a href=\"#i-15\">\u529f\u7387\u653e\u5927\u7535\u8def<\/a><\/li><\/ul><\/li><li><a href=\"#4\">4 \u53ef\u6269\u5c55\u6027\u8bbe\u8ba1<\/a><\/li><\/ul><\/li><li><a href=\"#i-16\">\u56db\u3001 \u7cfb\u7edf\u8f6f\u4ef6\u8bbe\u8ba1<\/a><ul><li><a href=\"#1-3\">1 \u5d4c\u5165\u5f0f\u8f6f\u4ef6\u8bbe\u8ba1<\/a><\/li><li><a href=\"#2-3\">2 \u4e0a\u4f4d\u673a\u8f6f\u4ef6\u8bbe\u8ba1<\/a><\/li><\/ul><\/li><li><a href=\"#i-17\">\u4e94\u3001 \u7cfb\u7edf\u6574\u4f53\u6548\u679c<\/a><\/li><li><a href=\"#i-18\">\u516d\u3001 \u7ed3\u675f\u8bed<\/a><\/li><li><a href=\"#i-19\">\u53c2\u8003\u8d44\u6599<\/a><\/li><li><a href=\"#i-20\">\u9644\u5f55\uff08\u70b9\u51fb\u4e0b\u8f7d\uff09<\/a><\/li><\/ul><\/div>\n<h1><span id=\"i\"><b>\u6458\u8981<\/b><\/span><\/h1>\n<p>USB-Z01\u662f\u672c\u4eba\u81ea\u4e3b\u7814\u53d1\u7684\u5229\u7528\u7535\u8111USB\u63a5\u53e3\u8f93\u51fa\u58f0\u97f3\u4fe1\u53f7\u7684\u8bbe\u5907\u3002USB-Z01\u4ee5TI\u7684USBDAC\u82af\u7247PCM2707\u4ee5\u53ca\u9ad8\u6027\u80fd\u7684\u97f3\u9891\u89e3\u7801\u5668PCM1738\u4e3a\u6838\u5fc3\u5b9e\u73b0\u4e86\u9ad8\u4fdd\u771f\u7684USB\u58f0\u5361\u8bbe\u8ba1\u3002USB-Z01\u5177\u6709\u4e24\u79cd\u5de5\u4f5c\u6a21\u5f0f\uff1a\u4f4e\u529f\u8017\u6a21\u5f0f\u4ee5\u53ca\u9ad8\u4fdd\u771f\u6a21\u5f0f\u3002\u5728\u4f4e\u529f\u8017\u6a21\u5f0f\u4e0b\uff0c\u7cfb\u7edf\u53ea\u9700\u63a5USB\u7ebf\uff0c\u65e0\u9700\u5916\u90e8\u4f9b\u7535\u5373\u53ef\u5b8c\u6210USB\u58f0\u5361\u7684\u5168\u90e8\u529f\u80fd\u3002\u5728\u6b64\u6a21\u5f0f\u4e0b\uff0cPCM2707\u63a5\u6536USB\u603b\u7ebf\u4e0a\u7684\u6570\u636e\u5e76\u4e14\u5229\u7528\u5185\u90e8\u7684DAC\u76f4\u63a5\u8f6c\u6362\u4e3a\u6a21\u62df\u97f3\u9891\u4fe1\u53f7\uff0c\u7ecf\u8fc7TPA152\u7684\u529f\u7387\u653e\u5927\u4e4b\u540e\uff0c\u76f4\u63a5\u9a71\u52a8\u8033\u673a\u3002\u800c\u5728\u9ad8\u4fdd\u771f\u6a21\u5f0f\u4e0b\uff0c\u7cfb\u7edf\u5177\u6709\u66f4\u597d\u7684\u97f3\u8d28\u3001\u66f4\u4f4e\u7684\u5931\u771f\u3001\u66f4\u4f4e\u7684\u9891\u7387\u5ef6\u5c55\u6027\u3002\u5728\u6b64\u6a21\u5f0f\u4e0b\uff0cPCM2707\u63a5\u53d7USB\u603b\u7ebf\u4e0a\u4f20\u8f93\u7684\u6570\u636e\u5e76\u4e14\u628a\u58f0\u97f3\u4fe1\u53f7\u8f6c\u6362\u4e3aI<sup>2<\/sup>S\u8f93\u51fa\u7ed9PCM1738\u3002\u97f3\u9891\u89e3\u7801\u5668PCM1738\u5c06I<sup>2<\/sup>S\u683c\u5f0f\u7684\u4fe1\u53f7\u8f6c\u6362\u4e3a\u6a21\u62df\u4fe1\u53f7\uff0c\u5e76\u4e14\u901a\u8fc7\u540e\u7ea7\u7684\u6781\u4f4e\u5931\u771f\u7684i\/v\u53d8\u6362\u7535\u8def\u3001\u6ee4\u6ce2\u5668\/\u529f\u7387\u653e\u5927\u7535\u8def\u5b9e\u73b0\u4e86\u9a71\u52a8\u8033\u673a\u3001\u5c0f\u578b\u97f3\u7bb1\u7684\u529f\u80fd\u3002\u6574\u4e2a\u7cfb\u7edf\u9009\u7528\u7684\u90fd\u662f\u9ad8\u6027\u80fd\u7684\u5668\u4ef6\uff0c\u5177\u6709\u4e25\u82db\u7684\u4f4e\u566a\u58f0\u8bbe\u8ba1\uff0c\u5728\u9ad8\u54c1\u8d28\u8d85\u4f4e\u7eb9\u6ce2\u7684\u7535\u6e90\u7684\u4f9b\u5e94\u4e0b\uff0c\u8be5USB\u58f0\u5361\u5177\u6709\u6781\u4f4e\u7684\u603b\u8c10\u6ce2\u5931\u771f\u3001\u566a\u58f0\u6c34\u5e73\u3002\u901a\u8fc7USB-Z01\uff0c\u7528\u6237\u65e0\u9700\u8d2d\u8fdb\u4e13\u95e8\u7684CD\u673a\uff0c\u5373\u53ef\u5728PC\u4e0a\u8046\u542c\u5230HiFi\u7ea7\u7684\u58f0\u97f3\u3002<\/p>\n<p><!--more--><\/p>\n<h1><span id=\"i-2\">\u4e00\u3001 \u5f15\u8a00<\/span><\/h1>\n<p>1984\u5e74\uff0c\u82f1\u56fd\u7684Adlib Audio\u516c\u53f8\u8fc8\u51fa\u4e86PC\u591a\u5a92\u4f53\u5316\u7684\u7b2c\u4e00\u6b65\uff0c\u4ed6\u4eec\u63a8\u51fa\u4e86\u7b2c\u4e00\u6b3e\u9b54\u5947\u58f0\u5361\uff0c\u8fd9\u6b3e\u58f0\u5361\u7684\u51fa\u73b0\u8ba9PC\u62e5\u6709\u4e86\u771f\u6b63\u7684\u53d1\u58f0\u80fd\u529b\uff0c\u4e0d\u518d\u662fPC\u5587\u53ed\u6ef4\u6ef4\u7b54\u7b54\u7684\u58f0\u97f3\u3002\u4e0d\u77e5\u4e0d\u89c9\uff0c\u58f0\u5361\u8bde\u751f\u5df2\u6709\u4e8c\u5341\u516b\u5e74\u3002\u6b63\u56e0\u4e3a\u5b83\u7684\u51fa\u73b0\uff0c\u624d\u8ba9\u6211\u4eec\u4ece\u7535\u8111\u7684\u65e0\u58f0\u4e16\u754c\uff0c\u8d70\u5411\u62e5\u6709\u8d8a\u6765\u8d8a\u7f8e\u5999\u97f3\u6548\u7684\u4eca\u5929\u3002\u5982\u679c\u8bf4\u663e\u5361\u7ed9\u6211\u4eec\u5c55\u73b0\u4e86\u7535\u8111\u7684\u7eda\u4e3d\u591a\u5f69\uff0c\u90a3\u4e48\u58f0\u5361\u5219\u8d4b\u4e88\u4e86\u7535\u8111\u7075\u6027\u3002\u6b63\u662f\u7531\u4e8e\u58f0\u5361\u7684\u5b58\u5728\uff0c\u7535\u8111\u624d\u4ece\u4e00\u53f0\u51b7\u51b0\u51b0\u7684\u673a\u5668\u5347\u534e\u4e3a\u771f\u6b63\u610f\u4e49\u4e0a\u7684\u591a\u5a92\u4f53\u3002\u65f6\u81f3\u4eca\u65e5\uff0c\u4eba\u4eec\u518d\u6b21\u5f00\u59cb\u6ce8\u91cd\u542c\u89c9\u65b9\u9762\u7684\u4eab\u53d7\u3002\u6240\u4ee5\u73b0\u5728\u7684\u7528\u6237\u4e0d\u4ec5\u53ef\u4ee5\u9009\u62e9\u7684\u5bb6\u7528\u7ea7\u7684\u666e\u901a\u58f0\u5361\uff0c\u8fd8\u53ef\u4ee5\u9009\u62e9\u4e2d\u4f4e\u7aef\u4e13\u4e1a\u58f0\u5361\u548c\u9ad8\u6863\u5bb6\u7528\u58f0\u5361\uff0c\u751a\u81f3\u4e0d\u5c11\u4f20\u7edfHIFI\u8bba\u575b\u8fd8\u6d8c\u73b0\u51fa\u5927\u6279\u5927\u6279\u7684\u4f7f\u7528\u4e2d\u9ad8\u7aef\u7535\u8111\u58f0\u5361\u66ff\u4ee3\u4f20\u7edf\u789f\u673a\u7684\u53d1\u70e7\u53cb\u3002<\/p>\n<p>\u7136\u800c\uff0c\u4e0d\u540c\u7684\u7535\u8111\u58f0\u5361\u56e0\u4e3a\u91c7\u7528AC97\u7684\u65b9\u6848\uff0c\u6bd4\u8f83\u7a81\u51fa\u7684\u5c31\u662f\u4fe1\u566a\u6bd4\u8f83\u4f4e\uff0c\u5176\u5b9e\u8fd9\u4e2a\u95ee\u9898\u5e76\u4e0d\u662f\u56e0\u4e3a\u677f\u8f7d\u8f6f\u58f0\u5361\u5bf9\u97f3\u9891\u5904\u7406\u6709\u7f3a\u9677\u9020\u6210\u7684\uff0c\u4e3b\u8981\u662f\u56e0\u4e3a\u4e3b\u677f\u5236\u9020\u5382\u5546\u8bbe\u8ba1\u677f\u8f7d\u58f0\u5361\u65f6\u7684\u5e03\u7ebf\u4e0d\u5408\u7406\uff0c\u4ee5\u53ca\u7528\u6599\u505a\u5de5\u7b49\u65b9\u9762\uff0c\u8fc7\u4e8e\u8282\u7ea6\u6210\u672c\u9020\u6210\u7684\u3002<\/p>\n<p>\u800c\u72ec\u7acb\u58f0\u5361\u62e5\u6709\u66f4\u591a\u7684\u6ee4\u6ce2\u7535\u5bb9\u4ee5\u53ca\u529f\u653e\u7ba1\uff0c\u7ecf\u8fc7\u6570\u6b21\u7ea7\u7684\u4fe1\u53f7\u653e\u5927\uff0c\u964d\u566a\u7535\u8def\uff0c\u4f7f\u5f97\u8f93\u51fa\u97f3\u9891\u7684\u4fe1\u53f7\u7cbe\u5ea6\u63d0\u5347\uff0c\u6240\u4ee5\u5728\u97f3\u8d28\u8f93\u51fa\u6548\u679c\u8981\u597d\u3002\u96c6\u6210\u58f0\u5361\uff0c\u56e0\u53d7\u5230\u6574\u4e2a\u4e3b\u677f\u7535\u8def\u8bbe\u8ba1\u7684\u5f71\u54cd\uff0c\u7535\u8def\u677f\u4e0a\u7684\u7535\u5b50\u5143\u5668\u4ef6\u5728\u5de5\u4f5c\u65f6\uff0c\u5bb9\u6613\u5f62\u6210\u76f8\u4e92\u5e72\u6270\u4ee5\u53ca\u7535\u566a\u58f0\u7684\u589e\u52a0\uff0c\u800c\u4e14\u7535\u8def\u677f\u4e5f\u4e0d\u53ef\u80fd\u96c6\u6210\u66f4\u591a\u7684\u591a\u7ea7\u4fe1\u53f7\u653e\u5927\u5143\u4ef6\u4ee5\u53ca\u964d\u566a\u7535\u8def\uff0c\u6240\u4ee5\u4f1a\u5f71\u54cd\u97f3\u8d28\u4fe1\u53f7\u7684\u8f93\u51fa\uff0c\u6700\u7ec8\u5bfc\u81f4\u8f93\u51fa\u97f3\u9891\u7684\u97f3\u8d28\u76f8\u5bf9\u8f83\u5dee\u3002<\/p>\n<p>USB-DAC\u662f\u73b0\u6709\u58f0\u5361\u7684\u66ff\u4ee3\u54c1\uff0c\u5b83\u6709\u7740\u81ea\u5df1\u72ec\u7279\u7684\u7ed3\u6784\uff0c\u72ec\u7279\u7684\u5de5\u4f5c\u539f\u7406\uff0c\u5728\u76ee\u524d\u4f17\u591a\u7535\u5b50\u4ea7\u54c1\u4e2d\u5360\u9886\u4e86\u4e00\u5e2d\u4e4b\u5730\uff0c\u5176\u72ec\u7acb\u4f9b\u7535\u7cfb\u7edf\u4f7f\u5176\u6446\u8131\u4e86\u4e3b\u673a\u7535\u6e90\u9650\u5236\uff0c\u4ece\u800c\u8ba9\u97f3\u9891\u4fe1\u53f7\u66f4\u52a0\u5b8c\u7f8e\u7684\u5904\u7406\uff0c\u4f7f\u4eba\u4eec\u6709\u66f4\u597d\u7684\u542c\u89c9\u4eab\u53d7\u3002\u4e3a\u4f17\u591a\u97f3\u4e50\u7231\u597d\u8005\uff0c\u7535\u5b50\u7231\u597d\u8005\u63d0\u4f9b\u4e86\u4e00\u4e2a\u65b0\u7684\u5e73\u53f0\u3002\u7136\u800cUSB\u58f0\u5361\u4e5f\u4e0d\u662f\u6ca1\u6709\u7f3a\u70b9\u7684\uff0c\u5176\u4e25\u91cd\u7684\u4e0d\u8db3\u6b63\u662f\u6765\u81ea\u4e8eUSB\u603b\u7ebf\u672c\u8eab\u3002USB\u603b\u7ebf\u7684\u901f\u5ea6\u8f83\u6162\u800c\u4e14\u7cfb\u7edf\u7ea7\u522b\u4e0d\u9ad8\uff0c\u76ee\u524d\u7684USB2.0\u57fa\u672c\u89e3\u51b3\u4e86\u901f\u5ea6\u7684\u95ee\u9898\uff0c\u4f46\u662f\u53e6\u4e00\u4e2a\u91cd\u8981\u95ee\u9898\u5c31\u662fUSB\u603b\u7ebf\u7684\u4f18\u5148\u7ea7\u8fdc\u4e0d\u5982PCI\u603b\u7ebf\uff0c\u5f53\u7cfb\u7edf\u6bd4\u8f83\u7e41\u5fd9\u7684\u60c5\u51b5\u4e0b\uff0cUSB\u603b\u7ebf\u5f97\u4e0d\u5230\u8db3\u591f\u7684CPU\u65f6\u95f4\uff0c\u800c\u8fd9\u4e00\u70b9\u5bf9\u4e8e\u9700\u8981\u5b9e\u65f6\u6570\u636e\u7684USB-DAC\u800c\u8a00\uff0c\u5c31\u5bfc\u81f4\u4e86\u58f0\u97f3\u7684\u65ad\u65ad\u7eed\u7eed\uff0c\u800c\u4e0d\u662f\u826f\u597d\u7684\u542c\u89c9\u4f53\u9a8c\u3002USB\u603b\u7ebf\u91c7\u7528\u4e86\u5171\u4eab\u6a21\u5f0f\uff0c\u7528\u6237\u5728\u4f7f\u7528USB\u63a5\u53e3\u7684\u65f6\u5019\uff0c\u4f1a\u540c\u65f6\u5916\u63a5\u786c\u76d8\u3001\u5149\u9a71\u8fd9\u79cd\u540c\u6837\u9700\u8981\u5927\u91cf\u6570\u636e\u7684\u8bbe\u5907\uff0c\u800c\u5bfc\u81f4USB\u58f0\u5361\u6240\u4eab\u7528\u7684\u6570\u636e\u5e26\u5bbd\u4e0d\u591f\uff0c\u5728\u8ddf\u8fd9\u4e9b\u8bbe\u5907\u540c\u65f6\u4f7f\u7528\u7684\u65f6\u5019\u5c31\u4f1a\u51fa\u73b0\u7206\u97f3\u73b0\u8c61\uff0cUSB\u7684\u8fd9\u4e9b\u9650\u5236\u4e5f\u4f7f\u5f97USB\u58f0\u5361\u672a\u80fd\u5927\u91cf\u5e94\u7528\u3002<\/p>\n<p>\u672c\u7740\u201c\u4e0d\u60dc\u4e00\u5207\u53ea\u4e3a\u4e86\u9ad8\u54c1\u8d28\u7684\u58f0\u97f3\u201d\u4ee5\u53ca\u5c1d\u8bd5\u201cHiFi\u7cfb\u7edf\u53ef\u4ee5\u8fbe\u5230\u7684\u9ad8\u4fdd\u771f\u7684\u6781\u9650\u201d\u7684\u60f3\u6cd5\uff0c\u672c\u4eba\u4e0d\u60dc\u6210\u672c\uff0c\u4e8e2011\u5e745\u6708\u5206\u5de6\u53f3\u8bbe\u8ba1\u5e76\u81ea\u4e3b\u5236\u4f5c\u4e86\u6570\u5957HiFi\u7ea7USB\u58f0\u5361\uff0c\u5e76\u5c06\u5176\u547d\u540d\u4e3a\u201cUSB-Z01\u201d\u3002\u672c\u6587\u5373\u4e3a\u6b64\u58f0\u5361\u7684\u8bbe\u8ba1\u6587\u6863\u3002<\/p>\n<h1><span id=\"i-3\">\u4e8c\u3001 \u7cfb\u7edf\u529f\u80fd\u63cf\u8ff0\u4e0e\u65b9\u6848\u8bbe\u8ba1<\/span><\/h1>\n<h2><span id=\"1\">1 \u7cfb\u7edf\u529f\u80fd\u6982\u8ff0<\/span><\/h2>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b8208967eamp.jpg\"><img loading=\"lazy\" title=\"6373e9e64bd2b8208967e&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e64bd2b8208967e&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b8208967eamp_thumb.jpg\" width=\"636\" height=\"334\"><\/a><\/p>\n<p align=\"center\"><a name=\"_Ref321595591\"><\/a>\u56fe 1 \u7cfb\u7edf\u6846\u67b6\u56fe<\/p>\n<p>\u5982\u4e0a\u56fe\u6240\u793a\uff0c\u7cfb\u7edf\u5177\u6709\u4e24\u4e2a\u8f93\u5165\u63a5\u53e3\uff0c\u4e09\u4e2a\u8f93\u51fa\u63a5\u53e3\u3002<\/p>\n<p>\u4e24\u4e2a\u8f93\u5165\u63a5\u53e3\u5206\u522b\u4e3aUSB\u8f93\u5165\u63a5\u53e3\u4e0eSPDIF\u8f93\u5165\u63a5\u53e3\u3002USB\u63a5\u53e3\u63a5\u6536PC\u4f20\u9001\u8fc7\u6765\u7684\u97f3\u9891\u6570\u636e\uff0c\u9001\u5165\u540e\u7ea7\u7684DAC\u4e2d\u3002USB\u540c\u65f6\u63a5\u53d7USB-UART\u4f20\u9001\u8fc7\u6765\u7684\u7ed9MCU\u7684\u63a7\u5236\u4fe1\u53f7\uff0c\u5b9e\u73b0\u5bf9DAC\u6570\u5b57\u8870\u51cf\u5668\u7684\u63a7\u5236\u7b49\u529f\u80fd\u3002SPDIF\u8f93\u5165\u63a5\u53e3\u53ef\u4ee5\u5141\u8bb8\u7528\u6237\u5c06\u5916\u90e8\u58f0\u6e90\u4fe1\u53f7\uff08\u5982CD\u673a\u7684\u8f93\u51fa\uff09\u63a5\u5165\u672c\u7cfb\u7edf\u4e2d\uff0c\u5229\u7528\u672c\u7cfb\u7edf\u7684DAC\u3001\u529f\u7387\u653e\u5927\u5668\u9a71\u52a8\u8033\u673a\uff0c\u5b9e\u73b0\u6bd4\u666e\u901aCD\u673a\u66f4\u597d\u7684\u97f3\u8d28\u6548\u679c\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u672c\u7cfb\u7edf\u4e00\u5171\u5141\u8bb8\u4e24\u79cd\u4fe1\u53f7\u7684\u8f93\u5165\u65b9\u5f0f\uff1aUSB\u8f93\u5165\u3001SPDIF\u8f93\u5165\u3002<\/p>\n<p>\u4e09\u4e2a\u8f93\u51fa\u63a5\u53e3\u5206\u522b\u4e3a\u4f4e\u529f\u8017\u8033\u673a\u8f93\u51fa\u3001HiFi\u8033\u673a\u8f93\u51fa\u3001SPDIF\u8f93\u51fa\u3002SPDIF\u8f93\u51fa\u5c06USB\u4f20\u9001\u8fc7\u6765\u7684\u4fe1\u53f7\u53d8\u4e3aI<sup>2<\/sup>S\u6570\u5b57\u4fe1\u53f7\u4e4b\u540e\u53d8\u4e3a\u540c\u8f74\u4fe1\u53f7\u3002\u6b64\u65f6\uff0cUSB-Z01\u5373\u53d8\u4e3a\u4e86USB\u8f6cSPDIF\u6a21\u5757\u3002\u7528\u6237\u53ef\u4ee5\u901a\u8fc7SPDIF\u63a5\u53e3\u7684\u8f93\u51fa\u63a5\u5165\u66f4\u9ad8\u6863\u7684\u8033\u653e\u4e2d\uff0c\u4eab\u53d7\u66f4\u9ad8\u54c1\u8d28\u7684\u97f3\u8d28\u3002\u4f4e\u529f\u8017\u8033\u673a\u8f93\u51fa\u5728\u6ca1\u6709\u5916\u90e8\u7535\u6e90\u63a5\u5165\u7684\u60c5\u51b5\u4e0b\u4e5f\u53ef\u4ee5\u5b9e\u73b0\u8f83\u9ad8\u54c1\u8d28\u7684USB\u58f0\u97f3\u89e3\u51b3\u65b9\u6848\u3002HiFi\u8033\u673a\u8f93\u51fa\u662fUSB-Z01\u7cfb\u7edf\u677f\u7684\u4e3b\u8981\u90e8\u5206\uff0c\u7cfb\u7edf80%\u4ee5\u4e0a\u7684\u8bbe\u8ba1\u5747\u4e3a\u9488\u5bf9\u6b64\u8f93\u51fa\u3002\u5728\u5916\u90e8\u4f9b\u7535\u7684\u60c5\u51b5\u4e0b\uff0c\u7cfb\u7edf\u5c06USB\u63a5\u6536\u5230\u7684\u6570\u636e\u901a\u8fc7USBDAC\u8f6c\u6362\u4e3aI<sup>2<\/sup>S\u6570\u5b57\u4fe1\u53f7\uff0c\u5e76\u4e14\u7531\u5916\u90e8\u7684\u9ad8\u54c1\u8d28DAC\u5b8c\u6210\u6570\u5b57\u5230\u6a21\u62df\u4fe1\u53f7\u7684\u8f6c\u6362\u8fc7\u7a0b\u3002<\/p>\n<h2><span id=\"2\">2 \u7cfb\u7edf\u65b9\u6848\u8bbe\u8ba1<\/span><\/h2>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b8241c87aamp.jpg\"><img loading=\"lazy\" title=\"6373e9e64bd2b8241c87a&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e64bd2b8241c87a&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b8241c87aamp_thumb.jpg\" width=\"644\" height=\"165\"><\/a><\/p>\n<p align=\"center\">\u56fe 2 \u7cfb\u7edf\u9876\u5c42\u786c\u4ef6\u7535\u8def\u8bbe\u8ba1\u56fe<\/p>\n<p>\u7cfb\u7edf\u91c7\u7528TI\u516c\u53f8\u7684PCM2707\u6765\u91c7\u96c6\u548c\u5904\u7406USB\u6765\u7684\u4fe1\u53f7\uff0c\u63d0\u4f9b\u4e86USB\u8f6cSPDIF\u540c\u8f74\u4fe1\u53f7\u3001I<sup>2<\/sup>S\u97f3\u9891\u4fe1\u53f7\u548cWAVE\u6ce2\u5f62\u8f93\u51fa\u4e09\u79cd\u97f3\u9891\u6a21\u5f0f\u7684\u8f93\u51fa\u3002\u7528\u6237\u53ef\u4ee5\u901a\u8fc7\u8df3\u7ebf\u5bf9PCM2707\u7684\u8f93\u51fa\u65b9\u5f0f\u8fdb\u884c\u914d\u7f6e\u3002<\/p>\n<p>\u914d\u7f6e\u4e3aSPDIF\u540c\u8f74\u4fe1\u53f7\u8f93\u51fa\u65f6\uff0c\u4fe1\u53f7\u5c06\u76f4\u63a5\u7ecf\u7531SPDIF\u8f93\u51fa\u63a5\u53e3\u5c06USB\u7ebf\u4f20\u8f93\u8fc7\u6765\u7684\u97f3\u9891\u4fe1\u53f7\u9001\u51fa\u3002<\/p>\n<p>\u914d\u7f6e\u4e3aWAVE\u6ce2\u5f62\u8f93\u51fa\u65f6\uff0c\u4fe1\u53f7\u901a\u8fc7\u8f83\u9ad8\u54c1\u8d28\u7684\u529f\u7387\u653e\u5927\u5668\u5b9e\u73b0\u4f4e\u529f\u8017\u6a21\u5f0f\u4e0b\u7684\u8033\u673a\u8f93\u51fa\u3002\u6b64\u5904\u529f\u7387\u653e\u5927\u5668\u91c7\u7528TI\u7684HiFi\u7ea7\u7684AB\u7c7b\u529f\u7387\u653e\u5927\u5668TPA152\u3002\u7531\u6b64\u53ef\u77e5\uff0c\u5373\u4fbf\u662f\u4f4e\u529f\u8017\u6a21\u5f0f\u7684\u8033\u673a\u8f93\u51fa\uff0c\u4e5f\u5177\u6709\u8f83\u597d\u7684\u97f3\u8d28\u3002\u4e8b\u5b9e\u4e0a\u4e5f\u662f\u5982\u6b64\u3002<\/p>\n<p>\u914d\u7f6e\u4e3aI<sup>2<\/sup>S\u8f93\u51fa\u65f6\uff0c\u4fe1\u53f7\u7ecf\u8fc7\u591a\u8def\u9009\u62e9\u5668\uff0c\u8fdb\u5165DAC\u3002\u591a\u8def\u9009\u62e9\u5668\u4f7f\u7528\u901a\u7528\u768474\u7cfb\u5217\u7684\u903b\u8f91\u82af\u724774HC157\u300274HC157\u5141\u8bb8\u6700\u4f4e2V\u7684\u4f9b\u7535\u7535\u538b\uff0c\u5e76\u4e14\u5141\u8bb8\u6700\u5feb\u8fbe\u767e\u5146\u7ea7\u7684\u4f20\u8f93\u901f\u7387\u3002<\/p>\n<p>\u53e6\u5916\u7cfb\u7edf\u8fd8\u5141\u8bb8SPDIF\u63a5\u53e3\u8f93\u5165\u3002\u901a\u8fc7SPDIF\u63a5\u53e3\u8f93\u5165\u7684\u65f6\u5019\uff0cSPDIF\u4fe1\u53f7\u7ecf\u8fc7SPDIF\u63a5\u53e3\u82af\u7247\u9001\u5165\u591a\u8def\u9009\u62e9\u566874HC157\u4e2d\u3002\u753174HC157\u7684\u9009\u62e9\u811a\u5b9e\u73b0SPDIF\u8f93\u5165\u4e0eI<sup>2<\/sup>S\u8f93\u5165\u7684\u5207\u6362\u3002SPDIF\u63a5\u53e3\u82af\u7247\u9009\u62e9TI\u516c\u53f8\u7684192KHz\u91c7\u6837\u7387\u7684\u8f6c\u6362\u82af\u7247DIR9001\u3002\u901a\u8fc7DIR9001\u5b9e\u73b0\u4e86\u5c06SPDIF\u4fe1\u53f7\u8f6c\u6362\u4e3aI<sup>2<\/sup>S\u4fe1\u53f7\u7684\u529f\u80fd\u3002<\/p>\n<p>DAC\u90e8\u5206\u8d1f\u8d23\u5c06\u524d\u7ea7\u9001\u5165\u7684I<sup>2<\/sup>S\u683c\u5f0f\u7684\u6570\u5b57\u4fe1\u53f7\u8f6c\u6362\u4e3a\u6a21\u62df\u97f3\u9891\u4fe1\u53f7\u3002DAC\u90e8\u5206\u9009\u62e9TI\u516c\u53f8\u768424bit\uff0c192KHz\uff0cADVANCED SEGMENT\u67b6\u6784\uff0c\u5177\u6709DSD\u529f\u80fd\u548cPCM\u529f\u80fd\u7684\u6570\u6a21\u8f6c\u6362\u5668PCM1738\u3002PCM1738\u91c7\u7528\u8f6f\u4ef6\u63a7\u5236\uff0c\u5177\u6709\u66f4\u9ad8\u7ea7\u7684\u7075\u6d3b\u6027\uff0c\u540c\u65f6\u5141\u8bb8\u7528\u6237\u901a\u8fc7\u8f6f\u4ef6\u5bf9DSD\u7684\u4e00\u4e9b\u53c2\u6570\u8fdb\u884c\u914d\u7f6e\u3002<\/p>\n<p>\u7531\u4e8eDAC\u90e8\u5206PCM1738\u4e3a\u7535\u6d41\u8f93\u51fa\uff0c\u56e0\u6b64\u7cfb\u7edf\u9700\u8981I\/V\u53d8\u6362\u90e8\u5206\u5c06\u7535\u6d41\u53d8\u5316\u4e3a\u7535\u538b\u3002I\/V\u53d8\u6362\u90e8\u5206\u91c7\u7528JFET\u8f93\u5165\uff0c\u4f4e\u566a\u58f0\uff0c\u6781\u4f4eI<sub>ib<\/sub>\u7684\u9ad8\u901f\u653e\u5927\u5668OPA2134\u3002<\/p>\n<p>DAC\u8f93\u51fa\u7684\u5e26\u5bbd\u6709\u9650\uff0c\u5b58\u5728\u955c\u50cf\u6742\u6ce2\u5e72\u6270\u3002\u53e6\u5916\u7cfb\u7edf\u4e5f\u53ef\u80fd\u5f15\u5165\u7684\u9ad8\u9891\u4fe1\u53f7\u5e72\u6270\u4e5f\u53ef\u80fd\u5f71\u54cd\u7cfb\u7edf\u7684\u4fdd\u771f\u7a0b\u5ea6\uff0c\u56e0\u6b64\u7cfb\u7edf\u589e\u52a0\u4e86\u5dee\u5206\u4e8c\u9636\u5df4\u7279\u6c83\u65af\u4f4e\u901a\u6ee4\u6ce2\u5668\uff0c\u6d88\u9664\u9ad8\u9891\u6742\u6ce2\u7684\u5e72\u6270\u3002<\/p>\n<p>DAC\u8f93\u51fa\u7684\u4fe1\u53f7\uff0c\u5e76\u4e0d\u8db3\u4ee5\u76f4\u63a5\u9a71\u52a8\u8033\u673a\u6216\u8005\u5c0f\u578b\u7684\u97f3\u7bb1\u3002\u56e0\u6b64\u9700\u8981\u4e00\u4e2a\u529f\u7387\u653e\u5927\u5668\u3002\u529f\u7387\u653e\u5927\u90e8\u5206\u91c7\u7528TI\u516c\u53f8\u7684\u7535\u6d41\u53cd\u9988\u578b\uff0c\u4f4eTHD\uff0c\u6700\u5927\u8f93\u51fa250mA\u7684\u653e\u5927\u5668THS3092\u3002<\/p>\n<p>\u6574\u4e2a\u7cfb\u7edf\u91c7\u7528\u7cbe\u5fc3\u8bbe\u8ba1\u7684\u7535\u6e90\u4f9b\u7535\uff0c\u4f7f\u752812\uff5e40V\u4ee5\u5185\u7684\u76f4\u6d41\u3001\u4ea4\u6d41\u7535\u4f9b\u7535\u5747\u53ef\uff0c\u5e76\u4e14\u5177\u6709\u76f4\u6d41\u7535\u9632\u63a5\u53cd\u7684\u529f\u80fd\u3002<\/p>\n<h1><span id=\"i-4\">\u4e09\u3001 \u7cfb\u7edf\u786c\u4ef6\u8bbe\u8ba1<\/span><\/h1>\n<h2><span id=\"1-2\">1 \u9ad8\u8d28\u91cf\u7535\u6e90\u8bbe\u8ba1<\/span><\/h2>\n<p>\u7cfb\u7edf\u4f9b\u7535\u5206\u4e3a\u6a21\u62df\u7535\u8def\u7535\u6e90\u3001\u6570\u5b57\u7535\u8def\u7535\u6e90\u4e24\u90e8\u5206\u3002\u5176\u4e2d\u6a21\u62df\u7535\u8def\u7535\u6e90\u5305\u62ec+5V\u3001-5V\u4e24\u90e8\u5206\uff0c\u6570\u5b57\u7535\u8def\u7535\u6e90\u5206\u4e3a+5V\u3001+3.3V\u4e24\u90e8\u5206\u3002\u7535\u6e90\u8bbe\u8ba1\u539f\u7406\u56fe\u6574\u4f53\u56fe\u5982\u4e0b\u56fe\u6240\u793a\u3002<\/p>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b8280821camp.jpg\"><img loading=\"lazy\" title=\"6373e9e64bd2b8280821c&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e64bd2b8280821c&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b8280821camp_thumb.jpg\" width=\"644\" height=\"441\"><\/a><\/p>\n<p align=\"center\">\u56fe 3 \u7cfb\u7edf\u7535\u6e90\u8bbe\u8ba1<\/p>\n<h3><span id=\"i-5\">\u7eb9\u6ce2<\/span><\/h3>\n<p>\u7eb9\u6ce2\u6307\u7684\u662f\u5728\u76f4\u6d41\u7535\u538b\u4e2d\u5b58\u5728\u7684\u4ea4\u6d41\u6210\u5206\u3002\u5bf9\u4e8e\u76f4\u6d41\u7535\u538b\uff0c\u672c\u6765\u5e94\u8be5\u662f\u4e00\u4e2a\u786e\u5b9a\u7684\u7535\u538b\u503c\uff0c\u7136\u800c\u5728\u5f88\u591a\u65f6\u5019\u6211\u4eec\u6240\u7528\u7684\u76f4\u6d41\u7535\u538b\u662f\u901a\u8fc7\u4ea4\u6d41\u7535\u538b\u6574\u6d41\u3001\u6ee4\u6ce2\u540e\u5f97\u6765\u7684\uff0c\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0c\u7531\u4e8e\u6ee4\u6ce2\u4e0d\u5b8c\u5168\uff0c\u51fa\u6765\u4e4b\u540e\u7684\u7535\u538b\u5c31\u4f1a\u6709\u5269\u4f59\u6709\u4ea4\u6d41\u6210\u5206\uff0c\u800c\u4e14\u5c31\u662f\u7528\u7535\u6c60\u4f9b\u7535\u7684\u60c5\u51b5\u4e0b\u4e5f\u4f1a\u56e0\u8d1f\u8f7d\u7684\u6ce2\u52a8\u800c\u4ea7\u751f\u6ce2\u7eb9\u3002\u4e8b\u5b9e\u4e0a\uff0c\u5373\u4fbf\u662f\u73b0\u9636\u6bb5\u6700\u597d\u7684\u57fa\u51c6\u7535\u538b\u6e90\u5668\u4ef6\uff0c\u5b83\u7684\u8f93\u51fa\u7535\u538b\u4e5f\u662f\u6709\u6ce2\u7eb9\u7684\u3002\u7eb9\u6ce2\u7535\u538b\u7684\u5b58\u5728\u4f1a\u5e26\u6765\u566a\u58f0\uff0c\u5e72\u6270\u4e86\u7cfb\u7edf\u7684\u5de5\u4f5c\u3002\u6240\u4ee5\u5728\u8bbe\u8ba1\u7535\u6e90\u7684\u65f6\u5019\u8981\u6709\u8db3\u591f\u7684\u6ee4\u6ce2\u63aa\u65bd\uff0c\u4ece\u800c\u5c06\u7eb9\u6ce2\u9650\u5236\u5728\u4e00\u5b9a\u7684\u5e45\u5ea6\u4ee5\u5185\u3002<\/p>\n<p>\u7eb9\u6ce2\u7684\u6210\u5206\u6bd4\u8f83\u590d\u6742\uff0c\u5176\u5f62\u6001\u4e00\u822c\u4e3a\u9891\u7387\u9ad8\u4e8e\u5de5\u9891\u7684\u7c7b\u4f3c\u4e8e\u6b63\u5f26\u6ce2\u7684\u8c10\u6ce2\uff0c\u800c\u53e6\u4e00\u79cd\u5219\u662f\u5bbd\u5ea6\u5f88\u7a84\u7684\u8109\u51b2\u6ce2\u3002\u5728\u4e0d\u540c\u7684\u573a\u5408\uff0c\u5bf9\u7eb9\u6ce2\u7684\u8981\u6c42\u4e5f\u5c31\u5404\u4e0d\u4e00\u6837\u3002\u6bd4\u5982\uff0c\u5bf9\u4e8e\u7535\u5bb9\u5668\u8001\u7ec3\u6765\u8bf4\uff0c\u65e0\u8bba\u662f\u54ea\u4e00\u79cd\u7eb9\u6ce2\uff0c\u53ea\u8981\u4e0d\u662f\u592a\u5927\uff0c\u4e00\u822c\u5bf9\u7535\u5bb9\u7684\u8001\u7ec3\u8d28\u91cf\u4e0d\u4f1a\u6784\u6210\u5f71\u54cd\u3002\u7136\u800c\u5bf9\u7a0b\u63a7\u673a\u7535\u6e90\u4ee5\u53ca\u97f3\u54cd\u8bbe\u5907\u4e2d\u6240\u4f7f\u7528\u7684\u7535\u6e90\uff0c\u5bf9\u4e8e\u7b2c\u4e8c\u79cd\uff0c\u5bbd\u5ea6\u5f88\u7a84\u7684\u8109\u51b2\u4e0d\u8db3\u4ee5\u63a8\u52a8\u5587\u53ed\u7684\u7eb8\u76c6\u6216\u8bdd\u673a\u7684\u542c\u7b52\u4ece\u800c\u5f62\u6210\u6742\u97f3\uff0c\u8fd9\u79cd\u60c5\u51b5\u5c31\u5bf9\u4e8e\u8fd9\u79cd\u7a84\u8109\u51b2\u7684\u8981\u6c42\u53ef\u4ee5\u653e\u5bbd\u3002\u5bf9\u4e8e\u4e00\u822c\u5f62\u6001\u800c\u8a00\uff0c\u5047\u82e5\u97f3\u9891\u8303\u56f4\u5185\u5b58\u5728\u4e86\u7c7b\u4f3c\u6b63\u5f26\u6ce2\u7684\u7eb9\u6ce2\u4fe1\u53f7\uff0c\u5373\u4fbf\u5176\u5e45\u5ea6\u4e0d\u662f\u592a\u9ad8\uff0c\u4f46\u80fd\u91cf\u5374\u4f7f\u5587\u53ed\u6216\u542c\u7b52\u53d1\u751f\u55e1\u55e1\u7684\u6742\u97f3\u3002\u5bf9\u8fd9\u79cd\u5f62\u6001\u7684\u7eb9\u6ce2\u5e94\u5c31\u6709\u4e00\u5b9a\u7684\u8981\u6c42\u3002\u53e6\u5916\uff0c\u5bf9\u4e8e\u7528\u4e8e\u4e00\u4e9b\u63a7\u5236\u7684\u573a\u5408\uff0c\u7531\u4e8e\u7a84\u8109\u51b2\u8fbe\u5230\u4e00\u5b9a\u7684\u9ad8\u5ea6\u65f6\u4f1a\u5e72\u6270\u6570\u5b57\u6216\u903b\u8f91\u63a7\u5236\u90e8\u4ef6\uff0c\u8fd9\u6837\u5c31\u4f7f\u5f97\u8bbe\u5907\u8fd0\u884c\u7684\u53ef\u9760\u6027\u964d\u4f4e\u4e86\uff0c\u56e0\u6b64\u5bf9\u8fd9\u79cd\u7a84\u8109\u51b2\u7684\u5e45\u5ea6\u5e94\u6709\u4e00\u5b9a\u7684\u9650\u5236\uff0c\u800c\u5bf9\u7c7b\u4f3c\u6b63\u5f26\u6ce2\u7684\u7eb9\u6ce2\uff0c\u4e00\u822c\u7531\u4e8e\u5176\u5e45\u5ea6\u8f83\u4f4e\uff0c\u5bf9\u63a7\u5236\u90e8\u4ef6\u7684\u5e72\u6270\u4e0d\u5927\u3002\u7279\u79cd\u7535\u6e90\u7eb9\u6ce2\u7684\u8868\u793a\u65b9\u6cd5\u53ef\u4ee5\u7528\u6709\u6548\u503c\u6216\u5cf0\u503c\u6765\u8868\u793a\uff0c\u53ef\u4ee5\u7528\u7edd\u5bf9\u91cf\uff0c\u4e5f\u53ef\u4ee5\u7528\u76f8\u5bf9\u5bf9\u91cf\u6765\u8868\u793a\u3002\u4e3e\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u4e00\u4e2a\u7535\u6e90\u5de5\u4f5c\u5728\u7a33\u538b\u72b6\u6001\uff0c\u5176\u8f93\u51fa\u4e3a100V5A\uff0c\u6d4b\u5f97\u7eb9\u6ce2\u7684\u6709\u6548\u503c\u4e3a10mV\uff0c\u8fd910mV\u5c31\u662f\u7eb9\u6ce2\u7684\u7edd\u5bf9\u91cf\uff0c\u800c\u76f8\u5bf9\u91cf\u5373\u7eb9\u6ce2\u7cfb\u6570=\u7eb9\u6ce2\u7535\u538b\/\u8f93\u51fa\u7535\u538b=10mv\/100V=0.01%\uff0c\u5373\u7b49\u4e8e\u4e07\u5206\u4e4b\u4e00\u3002<\/p>\n<h3><span id=\"i-6\">\u6a21\u62df\u7535\u8def\u7535\u6e90\u8bbe\u8ba1<\/span><\/h3>\n<p>\u6a21\u62df\u7535\u8def\u4f9b\u7535\u91c7\u7528\u6574\u6d41\u6865+\u7535\u5bb9\u500d\u589e\u5668+\u7ebf\u6027\u7a33\u538b\u5668+\u4f4e\u7eb9\u6ce2\u53cd\u9988\u7535\u8def\u7684\u7ed3\u6784\u3002<\/p>\n<p>\u5176\u67b6\u6784\u5982\u4e0b\u56fe\u6240\u793a\u3002<\/p>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e60795126b14a3bamp.jpg\"><img loading=\"lazy\" title=\"6373e9e60795126b14a3b&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e60795126b14a3b&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e60795126b14a3bamp_thumb.jpg\" width=\"372\" height=\"211\"><\/a><\/p>\n<p align=\"center\">\u56fe 4 \u6a21\u62df\u7535\u8def\u7535\u6e90\u8bbe\u8ba1<\/p>\n<h3><span id=\"i-7\">\u6574\u6d41\u7535\u8def<\/span><\/h3>\n<p>\u5176\u4e2d\u6574\u6d41\u6865\u7535\u8def\u5982\u4e0b\u56fe\u6240\u793a\u3002<\/p>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b82eb2743amp.jpg\"><img loading=\"lazy\" title=\"6373e9e64bd2b82eb2743&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e64bd2b82eb2743&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b82eb2743amp_thumb.jpg\" width=\"348\" height=\"113\"><\/a><\/p>\n<p align=\"center\">\u56fe 5 \u6574\u6d41\u6865\u7535\u8def<\/p>\n<p>\u6574\u6d41\u6865\u7535\u8def\u4e0d\u4ec5\u53ef\u4ee5\u5b8c\u6210\u628a\u4ea4\u6d41\u7535\u53d8\u6210\u76f4\u6d41\u7535\u7684\u529f\u80fd\uff0c\u800c\u4e14\u53ef\u4ee5\u9632\u6b62\u7535\u6e90\u63a5\u5934\u63a5\u53cd\u3002\u7535\u6e90\u7535\u538b\u7ecf\u8fc7\u6574\u6d41\u6865\u4e4b\u540e\u4f1a\u67091V\u591a\u7684\u538b\u964d\uff0c\u4f46\u662f\u6b64\u4e3e\u786e\u4fdd\u4e86\u7cfb\u7edf\u53ef\u4ee5\u4ea4\u6d41\u3001\u76f4\u6d41\u901a\u7528\uff0c\u800c\u4e14\u5177\u6709\u9632\u6b62\u63a5\u53cd\u7684\u529f\u80fd\uff0c\u5bf9\u4e8e\u4e00\u4e2a\u9ad8\u6863\u7684\u7535\u8def\u7684\u8bbe\u8ba1\u800c\u8a00\uff0c\u662f\u503c\u5f97\u91c7\u7528\u7684\u3002<\/p>\n<h3><span id=\"i-8\">\u6ee4\u6ce2\u7535\u8def<\/span><\/h3>\n<p>\u7ecf\u8fc7\u6574\u6d41\u6865\u6574\u6d41\u540e\u7684\u5230\u7684\u76f4\u6d41\u7535\u662f\u5177\u6709\u5f88\u5927\u6ce2\u5e45\u632f\u52a8\u7684\u76f4\u6d41\u7535\uff0c\u7eb9\u6ce2\u7684\u5b58\u5728\u5c06\u4f1a\u5f88\u5927\u7a0b\u5ea6\u7684\u5f71\u54cd\u5230\u540e\u7eed\u8bbe\u8ba1\u6b63\u5e38\u7a33\u5b9a\u7684\u5de5\u4f5c\u3002\u4e3a\u83b7\u5f97\u66f4\u52a0\u597d\u7684\u7535\u6e90\u8d28\u91cf\uff0c\u786e\u4fdd\u540e\u7ea7\u7684\u7ebf\u6027\u7a33\u538b\u5668\u5de5\u4f5c\u6b63\u5e38\uff0c\u6ee4\u6ce2\u8d77\u5230\u4e86\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\u3002\u901a\u8fc7\u6ee4\u6ce2\u7535\u8def\uff0c\u5c3d\u53ef\u80fd\u7684\u6d88\u9664\u7eb9\u6ce2\u7684\u5b58\u5728\uff0c\u4ece\u800c\u4fdd\u8bc1\u7535\u8def\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n<p>\u6ee4\u6ce2\u7535\u8def\u7684\u7535\u5bb9\u5bb9\u503c\u4e5f\u662f\u9700\u8981\u7ecf\u8fc7\u8ba1\u7b97\u7684\u3002\u8ba1\u7b97\u65b9\u6cd5\u5219\u662f\u6839\u636e\u540e\u7ea7\u7535\u6e90\u7684\u7535\u6d41\u5927\u5c0f\u4ee5\u53ca\u8f93\u51fa\u7535\u538b\u5141\u8bb8\u7684\u6700\u5c0f\u503c\uff0c\u6839\u636e<\/p>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b82fcbc87amp.jpg\"><img loading=\"lazy\" title=\"6373e9e64bd2b82fcbc87&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e64bd2b82fcbc87&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b82fcbc87amp_thumb.jpg\" width=\"103\" height=\"52\"><\/a><\/p>\n<p>\u4ee5\u53ca<\/p>\n<p align=\"center\">E=U Q<\/p>\n<p>\u8ba1\u7b97\u5f97\u77e5\u3002<\/p>\n<h3><span id=\"i-9\">\u7535\u5bb9\u500d\u589e\u5668<\/span><\/h3>\n<p>\u7535\u5bb9\u500d\u589e\u5668\u662f\u4e00\u4e2a\u901a\u8fc7BJT\u6216\u8fbe\u6797\u987f\u7ba1\u5c06\u5c0f\u5bb9\u91cf\u7684\u7535\u5bb9\u53d8\u4e3a\u201c\u7b49\u6548\u201d\u7684\u5927\u5bb9\u91cf\u7535\u5bb9\u7684\u4e00\u79cd\u65b9\u6cd5\u3002<\/p>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e60795126b489cbamp.jpg\"><img loading=\"lazy\" title=\"6373e9e60795126b489cb&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e60795126b489cb&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e60795126b489cbamp_thumb.jpg\" width=\"207\" height=\"151\"><\/a><\/p>\n<p align=\"center\"><a name=\"_Ref295760701\"><\/a>\u56fe6 \u7535\u5bb9\u500d\u589e\u5668\u57fa\u672c\u7535\u8def\u7ed3\u6784<\/p>\n<p>\u5728\u672c\u8bbe\u8ba1\u4e2d\uff0c\u4f7f\u7528\u6676\u4f53\u7ba1TIP122\u548cTIP127\u642d\u5efa\u4e86\u7535\u5bb9\u500d\u589e\u5668\u3002\u5bf9\u4e8e \u503c\u4e3a1000\u7684TIP122\u800c\u8a00\uff0c\u82e5C<sub>1<\/sub>=2200uF\uff0c\u90a3\u4e48\u7535\u5bb9\u500d\u589e\u5668\u7535\u8def\u4f7f\u5f97\u7535\u5bb9\u76f8\u5f53\u4e8e2\u6cd5\u62c9\u7684\u7535\u5bb9\u7684\u6548\u679c\u3002\u5b9e\u9645\u5728\u7248\u6d4b\u8bd5Q\u96c6\u7535\u6781\u5904\u7eb9\u6ce22V\u5de6\u53f3\uff0cQ\u53d1\u5c04\u6781\u7eb9\u6ce24.373mV\uff0c\u7535\u6e90\u7535\u538b\u6291\u5236\u6bd420log(2\/4.373*1000) = 53.205dB\u3002<\/p>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b83194c7damp.jpg\"><img loading=\"lazy\" title=\"6373e9e64bd2b83194c7d&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e64bd2b83194c7d&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b83194c7damp_thumb.jpg\" width=\"238\" height=\"232\"><\/a><\/p>\n<p align=\"center\">\u56fe 7 \u7535\u5bb9\u500d\u589e\u5668\u5b9e\u9645\u7535\u8def<\/p>\n<h3><span id=\"i-10\">\u7ebf\u6027\u7a33\u538b\u5668<\/span><\/h3>\n<p>\u7ebf\u6027\u7a33\u538b\u5668\u9009\u62e9NS\u7684LM317\u4e0eLM337\u3002LM317\/LM317 \u662f\u7f8e\u56fd\u56fd\u5bb6\u534a\u5bfc\u4f53\u516c\u53f8\u7684\u4e09\u7aef\u53ef\u8c03\u6b63\u7a33\u538b\u5668\u96c6\u6210\u7535\u8def\u3002\u6211\u56fd\u548c\u4e16\u754c\u5404\u5927\u96c6\u6210\u7535\u8def\u751f\u4ea7\u5546\u5747\u6709\u540c\u7c7b\u4ea7\u54c1\u53ef\u4f9b\u9009\u7528\uff0c\u662f\u4f7f\u7528\u6781\u4e3a\u5e7f\u6cdb\u7684\u4e00\u7c7b\u4e32\u8fde\u96c6\u6210\u7a33\u538b\u5668\u3002<\/p>\n<p>LM117\/LM317 \u7684\u8f93\u51fa\u7535\u538b\u8303\u56f4\u662f 1.2V \u81f3 37V\uff0c\u8d1f\u8f7d\u7535\u6d41\u6700\u5927\u4e3a 1.5A\u3002\u5b83\u7684\u4f7f\u7528\u975e\u5e38\u7b80\u5355\uff0c\u4ec5\u9700\u4e24\u4e2a\u5916\u63a5\u7535\u963b\u6765\u8bbe\u7f6e\u8f93\u51fa\u7535\u538b\u3002\u6b64\u5916\u5b83\u7684\u7ebf\u6027\u8c03\u6574\u7387\u548c\u8d1f\u8f7d\u8c03\u6574\u7387\u4e5f\u6bd4\u6807\u51c6\u7684\u56fa\u5b9a\u7a33\u538b\u5668\u597d\u3002LM317\/LM317 \u5185\u7f6e\u6709\u8fc7\u8f7d\u4fdd\u62a4\u3001\u5b89\u5168\u533a\u4fdd\u62a4\u7b49\u591a\u79cd\u4fdd\u62a4\u7535\u8def\u3002\u56fe8 \u662fLM317\u7684\u57fa\u672c\u5e94\u7528\uff0c\u901a\u8fc7R1\u548c\u53ef\u8c03\u7535\u963bR2\uff0c\u4ece\u800c\u5f97\u5230\u7a33\u538b\u8f93\u51fa\uff0c\u5bf9\u5e94\u516c\u5f0f<\/p>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b83196a6bamp.jpg\"><img loading=\"lazy\" title=\"6373e9e64bd2b83196a6b&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e64bd2b83196a6b&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b83196a6bamp_thumb.jpg\" width=\"273\" height=\"42\"><\/a><\/p>\n<p>\u56fe9 \u662fLM337\u7684\u57fa\u672c\u8fde\u63a5\u5e94\u7528\uff0c<\/p>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b8328d820amp.jpg\"><img loading=\"lazy\" title=\"6373e9e64bd2b8328d820&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e64bd2b8328d820&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b8328d820amp_thumb.jpg\" width=\"305\" height=\"50\"><\/a><\/p>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b833306e0amp.jpg\"><img loading=\"lazy\" title=\"6373e9e64bd2b833306e0&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e64bd2b833306e0&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b833306e0amp_thumb.jpg\" width=\"363\" height=\"228\"><\/a><\/p>\n<p align=\"center\">\u56fe 8 LM317\u57fa\u672c\u5e94\u7528<\/p>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b8340212famp.jpg\"><img loading=\"lazy\" title=\"6373e9e64bd2b8340212f&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e64bd2b8340212f&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b8340212famp_thumb.jpg\" width=\"437\" height=\"222\"><\/a><\/p>\n<p align=\"center\">\u56fe 9 LM337\u57fa\u672c\u7535\u8def<\/p>\n<h3><span id=\"i-11\">\u4f4e\u7eb9\u6ce2\u53cd\u9988\u7535\u8def<\/span><\/h3>\n<p>\u4e3a\u4e86\u8fdb\u4e00\u6b65\u964d\u4f4e\u7535\u6e90\u7684\u7eb9\u6ce2\uff0c\u7cfb\u7edf\u91c7\u7528NE5532\u642d\u5efa\u4e86\u4e00\u4e2a\u8d1f\u53cd\u9988\u7535\u8def\u3002<\/p>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b8384c143amp.jpg\"><img loading=\"lazy\" title=\"6373e9e64bd2b8384c143&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e64bd2b8384c143&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b8384c143amp_thumb.jpg\" width=\"644\" height=\"166\"><\/a><\/p>\n<p align=\"center\">\u56fe 10 \u4f4e\u7eb9\u6ce2\u8d1f\u53cd\u9988\u7535\u8def<\/p>\n<p>\u4eceOUT\u7aef\u51fa\u6765\u7684\u7535\u8def\u53ef\u80fd\u542b\u6709\u6781\u5c0f\u7684\u7eb9\u6ce2\u3002\u7535\u8def\u4e2d\u5b58\u5728\u7684\u7eb9\u6ce2\uff0c\u7ecf\u8fc7C47\u3001C48\u8026\u5408\u5230NE5532\u7684\u8f93\u5165\u7aef\uff0c\u901a\u8fc7NE5532\u8fdb\u884c\u653e\u5927\u4e4b\u540e\uff0c\u7ecf\u8fc7R30\u63a5\u5230LM317\u6216\u8005LM337\u7684Adj\u5f15\u811a\uff0c\u8d77\u5230\u8fdb\u4e00\u6b65\u51cf\u5c0f\u7cfb\u7edf\u7eb9\u6ce2\u7684\u4f5c\u7528\u3002\u8be5\u7535\u8def\u5f88\u96be\u8c03\u8bd5\uff0c\u56e0\u4e3a\u53ea\u8981C47\u3001C48\u7684\u503c\u9009\u62e9\u4e0d\u5f53\uff08\u4e00\u822c\u4e3a\u5bb9\u503c\u8fc7\u4f4e\uff09\uff0c\u5c31\u4f1a\u5f15\u5165\u65b0\u7684\u6781\u70b9\uff0c\u5f15\u8d77\u7cfb\u7edf\u7684\u6b63\u53cd\u9988\uff0c\u5bfc\u81f4\u6700\u7ec8\u7535\u6e90\u8f93\u51fa\u662f\u6807\u51c6\u7684\u201c\u6b63\u5f26\u6ce2\u201d\u3002\u5177\u4f53\u7684C47\u3001C48\u7684\u503c\u8fd8\u9700\u8981\u5728\u5b9e\u9645\u7535\u8def\u4e2d\u8c03\u8bd5\u83b7\u5f97\u3002\u5bb9\u503c\u8fc7\u5927\uff0c\u7cfb\u7edf\u5bb9\u6613\u81ea\u5df1\u9707\u8361\uff1b\u5bb9\u503c\u8fc7\u9ad8\uff0c\u8be5\u53cd\u9988\u7535\u8def\u7684\u4f5c\u7528\u5c31\u4e0d\u660e\u663e\u3002\u4f46\u53ea\u8981\u8c03\u8bd5\u6210\u529f\uff0c\u7cfb\u7edf\u7535\u6e90\u7684\u7eb9\u6ce2\u4f1a\u6709\u66f4\u5927\u7684\u4e0b\u964d\u3002\u5982\u6b64\u83b7\u5f97\u4f4e\u7eb9\u6ce2\u7684+5V\u548c-5V\u7a33\u538b\u76f4\u6d41\u70b9\uff0c\u7eb9\u6ce2\u4f4e\u4e8euV\u7ea7\uff0c\u5176\u7535\u6e90\u6291\u5236\u6bd4\u5927\u4e8e130dB\uff0c\u5982\u679c\u4e0d\u8003\u8651\u6e29\u6f02\u7b49\u5176\u4ed6\u6307\u6807\uff0c\u5982\u6b64\u4f4e\u7684\u7eb9\u6ce2\u5373\u4fbf\u4f5c\u4e3a\u516d\u4f4d\u534a\u4e07\u7528\u8868\u7684\u53c2\u8003\u6e90\u90fd\u53ef\u4ee5\u3002<\/p>\n<h3><span id=\"i-12\">\u6570\u5b57\u7535\u8def\u7535\u6e90\u8bbe\u8ba1<\/span><\/h3>\n<p>+5V\u6570\u5b57\u7535\u8def\u7535\u6e90\u76f4\u63a5\u4eceUSB\u603b\u7ebf\u53d6\u7535\u3002<\/p>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b8393edfcamp.jpg\"><img loading=\"lazy\" title=\"6373e9e64bd2b8393edfc&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e64bd2b8393edfc&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b8393edfcamp_thumb.jpg\" width=\"280\" height=\"144\"><\/a><\/p>\n<p align=\"center\">\u56fe 11 \u6570\u5b57\u7535\u8def\u7535\u6e90<\/p>\n<p>USB\u603b\u7ebf\u4e0a\u7684\u7535\u6e90\u5177\u6709\u6700\u5927500mA\u7684\u7535\u6d41\uff0c\u540c\u65f6\u5177\u6709\u8f83\u5927\u7684\u7eb9\u6ce2\u3002\u4e0e\u6b64\u540c\u65f6\uff0cUSB\u7684\u5373\u63d2\u5373\u7528\u7684\u7279\u6027\u51b3\u5b9a\u4e86\u6570\u5b57\u7535\u8def\u7535\u6e90\u4f9b\u5e94\u53ef\u80fd\u5b58\u5728\u6f5c\u5728\u7684\u8109\u51b2\u51b2\u51fb\u3002\u56e0\u6b64\u9700\u8981\u5728\u6570\u5b57\u7535\u8def\u7535\u6e90\u4e0a\u5e76\u8054\u8f83\u5927\u7684\u9000\u8026\u7535\u5bb9\uff0c\u4ee5\u907f\u514d\u4ee5\u4e0a\u73b0\u8c61\u3002<\/p>\n<p>+3.3V\u6570\u5b57\u7535\u8def\u7535\u6e90\u4ece5V\u6570\u5b57\u7535\u8def\u7535\u6e90\u4e2d\u53d6\u7535\uff0c\u5e76\u901a\u8fc7LDO\u82af\u7247TPS77533\u53d8\u4e3a3.3V\u3002TPS77533\u662f\u6700\u4f4e\u538b\u5dee\u53ef\u8fbe0.2V\u3001\u5177\u67090.5A\u8f93\u51fa\u80fd\u529b\u30013.3V\u8f93\u51fa\u7684\u7535\u6e90\u7ba1\u7406\u82af\u7247\uff0c\u5177\u6709\u826f\u597d\u7684\u5feb\u901f\u54cd\u5e94\u80fd\u529b\uff0c\u6240\u4ee5\u9002\u5408\u4f5c\u4e3a\u6570\u5b57\u7535\u8def\u7535\u6e90\u3002\u7535\u8def\u56fe\u5982\u4e0b\u56fe\u6240\u793a\u3002<\/p>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b8393e9c3amp.jpg\"><img loading=\"lazy\" title=\"6373e9e64bd2b8393e9c3&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e64bd2b8393e9c3&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b8393e9c3amp_thumb.jpg\" width=\"168\" height=\"175\"><\/a><\/p>\n<p align=\"center\">\u56fe 12 3.3V\u6570\u5b57\u7535\u8def\u7535\u6e90<\/p>\n<h2><span id=\"2-2\">2 \u6570\u5b57\u7535\u8def\u8bbe\u8ba1<\/span><\/h2>\n<p>\u5728\u6b64\u6570\u5b57\u7535\u8def\u6cdb\u6307\u91c7\u7528\u6570\u5b57\u7535\u6e90\u4f9b\u7535\u7684\u90e8\u5206\u7684\u7535\u8def\u3002\u6570\u5b57\u7535\u8def\u5305\u62ecUSBDAC\u3001SPDIF\u8f93\u5165\u63a5\u53e3\u3001\u6570\u5b57\u4fe1\u53f7\u591a\u8def\u9009\u62e9\u5668\u3001\u9ad8\u6027\u80fdDAC\u7684\u6570\u5b57\u90e8\u5206\u4e00\u5171\u56db\u90e8\u5206\u7ec4\u6210\u3002\u5176\u4e2d\u4fe1\u53f7\u6d41\u4e3a\uff1a<\/p>\n<p>USBDAC-&gt;\u6570\u5b57\u4fe1\u53f7\u591a\u8def\u9009\u62e9\u5668-&gt;\u9ad8\u6027\u80fdDAC<\/p>\n<p>SPDIF\u8f93\u5165\u63a5\u53e3-&gt;\u6570\u5b57\u4fe1\u53f7\u591a\u8def\u9009\u62e9\u5668-&gt;\u9ad8\u6027\u80fdDAC<\/p>\n<p>\u5177\u4f53\u53c2\u8003\u56fe 1\u3002.<\/p>\n<h3><span id=\"USBDAC\">USBDAC\u8bbe\u8ba1<\/span><\/h3>\n<p>USBDAC\u91c7\u7528TI\u516c\u53f8\u7684PCM2707\u3002PCM2707\u63d0\u4f9b\u4e86USB\u8f6cSPDIF\u540c\u8f74\u4fe1\u53f7\u3001I<sup>2<\/sup>S\u97f3\u9891\u4fe1\u53f7\u548cWAVE\u6ce2\u5f62\u8f93\u51fa\u4e09\u79cd\u97f3\u9891\u6a21\u5f0f\u7684\u8f93\u51fa\uff0c\u63d0\u4f9b\u4e86\u5168\u901fUSB\u63a5\u53e3\u5e76\u4e14\u517c\u5bb9USB1.1\u7684\u534f\u8bae\uff0c\u652f\u630132KHz\u300144.1KHz\u300148KHz\u4e09\u79cd\u91c7\u6837\u7387\uff0c\u81ea\u5e2616bit\u7684Delta-Sigma\u7684\u7acb\u4f53\u58f0DAC\uff0c\u5e76\u4e14\u5177\u6709\u8fc7\u91c7\u6837\u6570\u5b57\u6ee4\u6ce2\u5668\u3002PCM2707\u7684\u5f15\u811a\u63a5\u53e3\u56fe\u5982\u56fe 13\u6240\u793a\u3002<\/p>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b839bd9e1amp.jpg\"><img loading=\"lazy\" title=\"6373e9e64bd2b839bd9e1&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e64bd2b839bd9e1&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b839bd9e1amp_thumb.jpg\" width=\"397\" height=\"368\"><\/a><\/p>\n<p align=\"center\"><a name=\"_Ref321596876\"><\/a>\u56fe 13 PCM2707\u5f15\u811a\u63a5\u53e3\u56fe<\/p>\n<p>USB-Z01\u5145\u5206\u7684\u53d1\u6325\u4e86PCM2707\u7684\u6240\u6709\u7279\u6027\uff0c\u652f\u6301USB\u8f93\u5165\uff0c\u652f\u6301PCM2707\u6240\u652f\u6301\u7684\u6240\u6709\u7684\u4e09\u79cd\u683c\u5f0f\u7684\u8f93\u51fa\u3002\u901a\u8fc7\u6b64\u4e3e\u63d0\u9ad8\u4e86\u7cfb\u7edf\u7684\u6027\u4ef7\u6bd4\u4e0e\u7ade\u4e89\u529b\u3002\u5bf9PCM2707\u8fdb\u884c\u914d\u7f6e\u7684\u5f15\u811a\u5982\u56fe 14\u6240\u793a\u3002uMute\u3001uVolume+\u3001uVolume-\u3001uFSEL\u3001uSSPND\u3001AudioSourceSelHdr\u5f15\u811a\u5206\u522b\u8d1f\u8d23USBDAC\u8f93\u51fa\u7684\u4fe1\u53f7\u7684\u9759\u97f3\u3001\u97f3\u91cf\u589e\u52a0\u3001\u97f3\u91cf\u51cf\u5c0f\u3001\u9009\u62e9I<sup>2<\/sup>S\u8f93\u51fa\/\u5185\u7f6eDAC\u8f93\u51fa\u3001\u7cfb\u7edf\u6570\u636e\u8f93\u51fa\u6307\u793a\u706f\u3001\u9009\u62e9\u540e\u7ea7\u8033\u653e\u7535\u8def\u63a5\u53d7USBDAC\u7684I<sup>2<\/sup>S\u4fe1\u53f7\/SPDIF\u8f93\u5165\u63a5\u53e3\u8f93\u5165\u7684SPDIF\u4fe1\u53f7\u3002<\/p>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b83ab5604amp.jpg\"><img loading=\"lazy\" title=\"6373e9e64bd2b83ab5604&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e64bd2b83ab5604&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b83ab5604amp_thumb.jpg\" width=\"133\" height=\"106\"><\/a><\/p>\n<p align=\"center\"><a name=\"_Ref321597047\"><\/a>\u56fe 14 PCM2707\u914d\u7f6e\u5f15\u811a<\/p>\n<p>\u8be5\u90e8\u5206\u7684\u8bbe\u8ba1\u7535\u8def\u56fe\u5982\u56fe 15\u6240\u793a\u3002\u5f53\u7528\u6237\u9700\u8981\u4f7f\u7528\u4f4e\u529f\u8017\u6a21\u5f0f\u65f6\uff0c\u901a\u8fc7MCU\u4fee\u6539uFSEL\u7684\u7535\u5e73\u7684\u9ad8\u4f4e\u5373\u53ef\u5b8c\u6210\u914d\u7f6e\u4e3a\u4f4e\u529f\u8017\u6a21\u5f0f\/\u914d\u7f6e\u4e3aHiFi\u6a21\u5f0f\u7684\u529f\u80fd\u3002\u5f53\u7528\u6237\u9700\u8981\u5916\u90e8\u7684SPDIF\u4fe1\u53f7\u7684\u8f93\u51fa\u65f6\uff0c\u53ea\u9700\u8981\u5c06\u7cfb\u7edf\u914d\u7f6e\u4e3a\u4f4e\u529f\u8017\u8f93\u51fa\u5373\u53ef\u3002<\/p>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b83c08b59amp.jpg\"><img loading=\"lazy\" title=\"6373e9e64bd2b83c08b59&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e64bd2b83c08b59&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b83c08b59amp_thumb.jpg\" width=\"517\" height=\"372\"><\/a><\/p>\n<p align=\"center\"><a name=\"_Ref321597325\"><\/a>\u56fe 15 PCM2707\u7535\u8def\u56fe<\/p>\n<p>\u5728\u4e0a\u8ff0\u7535\u8def\u4e2d\uff0c\u6676\u632fY1\u88ab\u5e76\u8054\u4e86\u4e00\u4e2a1M\u6b27\u59c6\u7684\u7535\u963b\u3002\u5728\u6676\u632f\u4e0a\u5e76\u8054\u7535\u963b\u662f\u4e00\u4e2a\u5728\u7535\u5b50\u8bbe\u5907\uff0c\u5c24\u5176\u662fUSB\u8bbe\u5907\u4e2d\u901a\u7528\u7684\u4e00\u79cd\u505a\u6cd5\uff0c\u5e76\u8054\u4e00\u4e2a1M\uff5e10M\u7684\u7535\u963b\uff0c\u6709\u5229\u4e8e\u6676\u632f\u7684\u8d77\u632f\u3002<\/p>\n<p>\u867d\u7136USB\u603b\u7ebf\u4e0a\u7684\u7535\u6e90\u8d28\u91cf\u4e0d\u9ad8\uff0c\u4f46\u662f\u7531\u4e8eUSBDAC\u4e3b\u8981\u7528\u6765\u8f93\u51fa\u6570\u5b57\u4fe1\u53f7\uff0c\u6240\u4ee5\u76f4\u63a5\u9009\u62e9\u4ece\u603b\u7ebf\u4e0a\u53d6\u7535\uff0c\u5c06PSEL\u5f15\u811a\u62c9\u9ad8\u3002<\/p>\n<p>\u5728\u4f4e\u529f\u8017\u6a21\u5f0f\u4e0b\uff0c\u97f3\u9891\u6570\u636e\u76f4\u63a5\u901a\u8fc7USBDAC\u5185\u7f6e\u7684DAC\u8f6c\u6362\u4e3a\u6a21\u62df\u4fe1\u53f7\u4e4b\u540e\u8f93\u51fa\u3002\u4e3a\u4e86\u4fdd\u8bc1\u5728\u4f4e\u529f\u8017\u6a21\u5f0f\u4e0b\uff0cUSB-Z01\u4e5f\u80fd\u6b63\u5e38\u5de5\u4f5c\uff0c\u7279\u589e\u52a0\u4e86TI\u516c\u53f8\u7684HiFi\u7ea7\u7684AB\u7c7b\u529f\u7387\u8033\u673a\u653e\u5927\u5668TPA152\u3002TPA152\u5177\u670975mW\u7684\u8f93\u51fa\u9a71\u52a8\u80fd\u529b\uff0c\u5e76\u4e14\u5185\u7f6e\u4e86\u4e2d\u95f4\u8f68\u7684\u751f\u6210\u7535\u8def\uff0c\u5177\u6709\u8fc7\u70ed\u4e0e\u8fc7\u6d41\u4fdd\u62a4\u3002\u975e\u5e38\u9002\u5408\u76f4\u63a5\u4eceUSB\u603b\u7ebf\u4e0a\u53d6\u7535\u7684\u5e94\u7528\u3002\u8033\u673a\u653e\u5927\u5668\u7684\u5177\u4f53\u7535\u8def\u53c2\u89c1\u56fe 16\u3002<\/p>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b83bc83abamp.jpg\"><img loading=\"lazy\" title=\"6373e9e64bd2b83bc83ab&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e64bd2b83bc83ab&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b83bc83abamp_thumb.jpg\" width=\"365\" height=\"220\"><\/a><\/p>\n<p align=\"center\"><a name=\"_Ref321597985\"><\/a>\u56fe 16 \u4f4e\u529f\u8017\u9ad8\u6027\u80fd\u8033\u673a\u529f\u7387\u653e\u5927\u5668<\/p>\n<p>\u7531\u4e8e\u9a71\u52a8\u8033\u673a\u7684\u7535\u538b\u53ea\u9700\u89810.7V\u5373\u53ef\uff0c\u800cUSBDAC\u8f93\u51fa\u7684\u7535\u538b\u6700\u5927\u503c\u4e5f\u4e3a\u8fd9\u4e2a\u503c\uff0c\u56e0\u6b64\u53ea\u9700\u8981\u505a\u589e\u76ca\u4e3a1\u7684\u7535\u538b\u653e\u5927\u5373\u53ef\u3002<\/p>\n<h3><span id=\"SPDIF\">SPDIF\u8f93\u5165\u63a5\u53e3\u8bbe\u8ba1<\/span><\/h3>\n<p>SPDIF\u662fSONY\u3001PHILIPS\u6570\u5b57\u97f3\u9891\u63a5\u53e3\u7684\u7b80\u79f0\u3002\u5c31\u4f20\u8f93\u65b9\u5f0f\u800c\u8a00\uff0cSPDIF\u5206\u4e3a\u8f93\u51fa\uff08SPDIF OUT\uff09\u548c\u8f93\u5165\uff08SPDIF IN\uff09\u4e24\u79cd\u3002\u5c31\u4f20\u8f93\u8f7d\u4f53\u800c\u8a00\uff0cSPDIF\u53c8\u5206\u4e3a\u540c\u8f74\u548c\u5149\u7ea4\u4e24\u79cd\uff0c\u5176\u5b9e\u4ed6\u4eec\u53ef\u4f20\u8f93\u7684\u4fe1\u53f7\u662f\u76f8\u540c\u7684\uff0c\u53ea\u4e0d\u8fc7\u662f\u8f7d\u4f53\u4e0d\u540c\uff0c\u63a5\u53e3\u548c\u8fde\u7ebf\u5916\u89c2\u4e5f\u6709\u5dee\u5f02\u3002\u4f46\u5149\u4fe1\u53f7\u4f20\u8f93\u662f\u4eca\u540e\u6d41\u884c\u7684\u8d8b\u52bf\uff0c\u5176\u4e3b\u8981\u4f18\u52bf\u5728\u4e8e\u65e0\u9700\u8003\u8651\u63a5\u53e3\u7535\u5e73\u53ca\u963b\u6297\u95ee\u9898\uff0c\u63a5\u53e3\u7075\u6d3b\u4e14\u6297\u5e72\u6270\u80fd\u529b\u66f4\u5f3a\u3002\u901a\u8fc7SPDIF\u63a5\u53e3\u4f20\u8f93\u6570\u7801\u58f0\u97f3\u4fe1\u53f7\u5df2\u7ecf\u6210\u4e3a\u4e86\u65b0\u4e00\u4ee3PCI\u58f0\u5361\u666e\u904d\u62e5\u6709\u7684\u7279\u70b9\u3002<\/p>\n<p>\u90a3\u4e48\u5b83\u5b58\u5728\u7684\u610f\u4e49\u53c8\u662f\u4ec0\u4e48\u5462\uff1f\u6211\u4eec\u90fd\u77e5\u9053CD\u5531\u7247\u4e0a\u7684\u58f0\u97f3\u4fe1\u606f\u662f\u7528\u6570\u5b57\u201c0\u201d\u548c\u201c1\u201d\u6765\u8868\u793a\u7684\u3002\u4ee5\u5f80CD-ROM\u5728\u64ad\u653e\u5531\u7247\u7684\u65f6\u5019\uff0c\u6570\u5b57\u683c\u5f0f\u7684\u97f3\u4e50\u9996\u5148\u8981\u7ecf\u8fc7\u5149\u9a71\u5185\u90e8\u7684D\/A\u5904\u7406\u3002\u5728\u8f6c\u6362\u6210\u6a21\u62df\u4fe1\u53f7\u540e\uff0c\u7ecf\u8fc7\u6211\u4eec\u65f6\u5e38\u4f7f\u7528\u7684\u90a3\u79cd\u56db\u9488\u7684\u6a21\u62df\u4fe1\u53f7\u8fde\u7ebf\u4f20\u8f93\u5230\u58f0\u5361\u4e0a\uff0c\u7136\u540e\u518d\u8fdb\u884c\u4e00\u7cfb\u5217\u5904\u7406\u3002\u95ee\u9898\u7684\u5173\u952e\u5728\u4e8e\uff0c\u4e0d\u540c\u7684CD-ROM\u6240\u91c7\u7528\u7684D\/A\u82af\u7247\u8d28\u91cf\u53c2\u5dee\u4e0d\u9f50\uff0c\u7ecf\u8fc7\u52a3\u8d28D\/A\u8f6c\u6362\u540e\u8f93\u51fa\u7684\u6a21\u62df\u4fe1\u53f7\u5b58\u5728\u5f88\u5927\u5931\u771f\u3002\u6240\u4ee5\u4e5f\u5c31\u9020\u6210\u4e86\u4e0d\u540c\u578b\u53f7\u7684\u5149\u9a71\u5728\u64ad\u653e\u5531\u7247\u65f6\u7684\u6548\u679c\u6709\u6240\u5dee\u5f02\uff0c\u5728CD\u89e3\u7801\u8d28\u91cf\u4e0a\u53e3\u7891\u6bd4\u8f83\u597d\u7684\u5f53\u5c5eSONY\u548cCREATIVE\u7684\u4ea7\u54c1\uff0c\u4e00\u4e9b\u6742\u724c\u5149\u9a71\u5219\u60e8\u4e0d\u5fcd\u542c\u3002\u4e3a\u4e86\u907f\u514d\u8fd9\u79cd\u95ee\u9898\u7684\u53d1\u751f\uff0c\u76ee\u524d\u5927\u591a\u6570\u5149\u9a71\u90fd\u5728\u6a21\u62df\u4fe1\u53f7\u8f93\u51fa\u63d2\u9488\u7684\u65c1\u8fb9\u52a0\u4e0a\u4e86\u6570\u5b57\u4fe1\u53f7\u8f93\u51fa\uff08Audio Digital\uff09\u3002\u901a\u8fc7\u8fd9\u4e2a\u4e24\u9488\u7684\u63a5\u53e3\uff0c\u5531\u7247\u58f0\u97f3\u4fe1\u53f7\u5c31\u53ef\u76f4\u63a5\u4ee5\u6570\u7801\u65b9\u5f0f\u4f20\u8f93\u5230\u58f0\u5361\u4e0a\uff0c\u5c06D\/A\u8f6c\u6362\u4ea4\u7ed9\u97f3\u9891\u5904\u7406\u82af\u7247\u6765\u5b8c\u6210\u3002\u800c\u524d\u63d0\u5219\u5fc5\u987b\u662f\u58f0\u5361\u82af\u7247\u53ef\u4ee5\u5b8c\u6210\u76f8\u5173\u7684\u8f6c\u6362\u5de5\u4f5c\u5e76\u652f\u6301SPDIF IN\uff0c\u80fd\u591f\u63a5\u6536\u6570\u5b57\u4fe1\u53f7\u3002CD\u64ad\u653e\u7684\u4fe1\u566a\u6bd4\u5c31\u5c06\u968f\u4e4b\u5927\u5e45\u5ea6\u63d0\u5347\u3002<\/p>\n<p>SPDIF\u8f93\u5165\u63a5\u53e3\u7535\u8def\u5305\u62ec\u63a5\u53e3\u4fdd\u62a4\u7535\u8def\u4e0e\u63a5\u53e3\u8f6c\u6362\u7535\u8def\u4e24\u90e8\u5206\u3002\u63a5\u53e3\u4fdd\u62a4\u7535\u8def\u8d1f\u8d23\u63a5\u6536SPDIF\u4fe1\u53f7\u5e76\u4e14\u5c06SPDIF\u4fe1\u53f7\u6574\u5f62\uff0c\u540c\u65f6\u8d77\u5230\u9632\u6b62SPDIF\u7ebf\u7f06\u4e0a\u7684\u9759\u7535\u635f\u574f\u8f6c\u6362\u7535\u8def\u7684\u4f5c\u7528\u3002\u63a5\u53e3\u4fdd\u62a4\u7535\u8def\u7684\u539f\u7406\u5982\u6240\u793a\u3002<\/p>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b83cfdfdeamp.jpg\"><img loading=\"lazy\" title=\"6373e9e64bd2b83cfdfde&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e64bd2b83cfdfde&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b83cfdfdeamp_thumb.jpg\" width=\"412\" height=\"153\"><\/a><\/p>\n<p align=\"center\">\u56fe 17 SPDIF\u63a5\u53e3\u4fdd\u62a4\u7535\u8def<\/p>\n<p>SPDIF\u63a5\u53e3\u4fdd\u62a4\u7535\u8def\u91c7\u752874\u7cfb\u5217\u7684\u975e\u95e8\u7ec4\u6210\u3002SPDIF\u4fe1\u53f7\u8fdb\u5165\u7cfb\u7edf\u4e4b\u540e\u7ecf\u8fc775\u6b27\u59c6\u963b\u6297\u5339\u914d\u7535\u8def\uff0c\u9996\u5148\u901a\u8fc7\u4e00\u4e2a\u9ad8\u901a\u6ee4\u6ce2\u5668\uff08-3dB\u503c\u4e3a15Hz\uff09\u8fdb\u516574HC04\u4e2d\uff0c\u505a\u4e24\u6b21\u6574\u5f62\uff08\u56e0\u4e3a\u505a\u4e00\u6b21\u6574\u5f62\uff0c\u903b\u8f91\u7535\u5e73\u521a\u597d\u76f8\u53cd\uff09\u4e4b\u540e\u9001\u5165\u63a5\u53e3\u8f6c\u6362\u7535\u8def\u3002\u9ad8\u901a\u6ee4\u6ce2\u5668\u7684\u5b58\u5728\u540c\u65f6\u907f\u514d\u4e86\u7ebf\u7f06\u4e0a\u5b58\u5728\u7684\u9ad8\u7535\u538b\u7684\u5171\u6a21\u4fe1\u53f7\u5bf9\u7cfb\u7edf\u53ef\u80fd\u9020\u6210\u7684\u635f\u5bb3\u3002<\/p>\n<p>\u63a5\u53e3\u8f6c\u6362\u7535\u8def\u9009\u62e9TI\u516c\u53f8\u7684\u652f\u630196KHz\u300124Bit\u7684\u6570\u5b57\u97f3\u9891\u63a5\u53e3\u8f6c\u6362\u5668DIR9001\u3002DIR9001\u652f\u6301\u534f\u8bae\u4e3aIEC60958-3\u3001JEITA CPR-1205\u3001AES3\u3001EBUtech3250\u534f\u8bae\u7684\u6570\u5b57\u97f3\u9891\u4fe1\u53f7\uff0c\u540c\u65f6\u652f\u630124Bit\u7684I<sup>2<\/sup>S\u3001MSB-First\u300124Bit Left-Justfied\u3001MSB-First16\u300124Bit Right-Justfied\u7b49\u683c\u5f0f\u7684\u4fe1\u53f7\u8f93\u51fa\u3002<\/p>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b83db2649amp.jpg\"><img loading=\"lazy\" title=\"6373e9e64bd2b83db2649&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e64bd2b83db2649&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b83db2649amp_thumb.jpg\" width=\"441\" height=\"181\"><\/a><\/p>\n<p align=\"center\"><a name=\"_Ref321598811\"><\/a>\u56fe 18 SPDIF\u63a5\u53e3\u8f6c\u6362\u7535\u8def<\/p>\n<p>\u63a5\u53e3\u8f6c\u6362\u7535\u8def\u5177\u4f53\u5982\u56fe 18\u6240\u793a\u3002SPDIF\u63a5\u53e3\u63d0\u4f9b\u4e00\u4e2aRST\u5f15\u811a\uff0c\u7528\u6237\u7ed9\u97f3\u9891\u89e3\u7801\u5668\u63d0\u4f9b\u590d\u4f4d\u4fe1\u53f7\u3002<\/p>\n<h3><span id=\"i-13\">\u6570\u5b57\u4fe1\u53f7\u591a\u8def\u9009\u62e9\u5668\u8bbe\u8ba1<\/span><\/h3>\n<p>\u7531\u4e8eI<sup>2<\/sup>S\u4e00\u5171\u5305\u542b\u56db\u6839\u7ebf\u7f06\uff1aBCK\u3001DATA\u3001LRCK\u3001MCK\uff0c\u800c74\u7cfb\u5217\u7684\u591a\u8def\u9009\u62e9\u566874HC157\u521a\u597d\u662f\u56db\u8def\u7684\u4e8c\u9009\u4e00\u7684\u591a\u8def\u9009\u62e9\u5668\uff0c\u800c\u4e14\u53ea\u9700\u8981\u4e00\u4e2a\u5f15\u811a\u5373\u53ef\u63a7\u5236\u6240\u6709\u56db\u8def\u4fe1\u53f7\u3002\u975e\u5e38\u9002\u5408\u672c\u7cfb\u7edf\u3002\u591a\u8def\u9009\u62e9\u5668\u5b8c\u6210\u4e86\u540e\u7ea7\u8033\u673a\u653e\u5927\u5668\u63a5\u53d7USB\u4fe1\u53f7\/SPDIF\u8f93\u5165\u63a5\u53e3\u8f93\u5165\u7684\u4fe1\u53f7\u7684\u9009\u62e9\u7684\u529f\u80fd\u3002\u5177\u4f53\u8bbe\u8ba1\u5982\u56fe 19\u6240\u793a\u3002<\/p>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b83eee783amp.jpg\"><img loading=\"lazy\" title=\"6373e9e64bd2b83eee783&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e64bd2b83eee783&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b83eee783amp_thumb.jpg\" width=\"356\" height=\"211\"><\/a><\/p>\n<p align=\"center\"><a name=\"_Ref321599020\"><\/a>\u56fe 19 \u6570\u5b57\u4fe1\u53f7\u591a\u8def\u9009\u62e9\u5668\u8bbe\u8ba1<\/p>\n<h3><span id=\"DAC\">\u9ad8\u6027\u80fdDAC\u8bbe\u8ba1<\/span><\/h3>\n<p>\u9ad8\u6027\u80fdDAC\u5305\u62ec\u6570\u5b57\u7535\u8def\u4e0e\u6a21\u62df\u7535\u8def\u4e24\u4e2a\u90e8\u5206\u3002\u5728\u6b64\u4ec5\u4ec5\u4ecb\u7ecd\u6570\u5b57\u90e8\u5206\u3002<\/p>\n<p>\u9ad8\u6027\u80fdDAC\u9009\u62e9TI\u516c\u53f8\u7684PCM1738\u3002PCM1738\u662fTI\u516c\u53f8\u768424Bit\u3001192KHz\u91c7\u6837\u7387\u3001\u91c7\u7528Advanced Segment\u6280\u672f\u7684\u7acb\u4f53\u58f0\u6570\u6a21\u8f6c\u6362\u5668\u3002\u5177\u6709\u9ad8\u8fbe117dB\u7684\u52a8\u6001\u8303\u56f4\uff0c\u4ee5\u53ca\u9ad8\u8fbe117dB\u7684\u4fe1\u566a\u6bd4\uff0c\u4f4e\u81f30.0004%\u7684\u603b\u8c10\u6ce2\u5931\u771f\uff0c\u6700\u9ad8\u8fbe \u7684\u7535\u6d41\u8f93\u51fa\uff0c\u63d0\u4f9b\u4e8610kHz\uff5e200kHz\u91c7\u6837\u7387\u7684\u97f3\u9891\u4fe1\u53f7\u7684\u652f\u6301\uff0c\u652f\u630116Bit\u300120Bit\u300124Bit\u7684\u97f3\u9891\u4fe1\u53f7\uff0c\u5e76\u4e14\u652f\u6301\u6807\u51c6\u3001I<sup>2<\/sup>S\u3001Left-Justified\u3001\u683c\u5f0f\u7684\u4fe1\u53f7\uff0c\u5185\u7f6e\u7684\u516b\u500d\u7684\u6570\u5b57\u8fc7\u91c7\u6837\u6ee4\u6ce2\u5668\u63d0\u4f9b\u4e86\u6700\u5927\u8fbe-82dB\u7684\u8870\u51cf\uff0c\u5728\u901a\u9891\u5e26\u5185\u7684\u6296\u52a8\u5c0f\u4e8e \uff0c\u5176\u6570\u5b57\u8870\u51cf\u3001\u6570\u5b57\u6ee4\u6ce2\u5668\u6eda\u964d\u6a21\u5f0f\u3001\u9759\u97f3\u3001\u81ea\u52a8\u65e0\u97f3\u91cf\u68c0\u6d4b\u3001\u65e0\u97f3\u91cf\u68c0\u6d4b\u4fe1\u53f7\u7b49\u90fd\u53ef\u4ee5\u901a\u8fc7\u8f6f\u4ef6\u53bb\u63a7\u5236\u6216\u8005\u8bbf\u95ee\u3002<\/p>\n<p>PCM1738\u5e38\u5e38\u89c1\u4e8e\u9ad8\u7ea7\u7684CD\u673a\u6216\u8005\u9ad8\u7ea7\u7684\u89e3\u7801\u5668\u4e2d\u3002<\/p>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b842c3442amp.jpg\"><img loading=\"lazy\" title=\"6373e9e64bd2b842c3442&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e64bd2b842c3442&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b842c3442amp_thumb.jpg\" width=\"401\" height=\"300\"><\/a><\/p>\n<p align=\"center\"><a name=\"_Ref321599461\"><\/a>\u56fe 20 PCM1738\u7535\u8def\u8bbe\u8ba1<\/p>\n<p>PCM1738\u7684\u7535\u8def\u8bbe\u8ba1\u56fe\u5982\u56fe 20\u6240\u793a\u3002\u6240\u6709\u7684\u914d\u7f6e\u529f\u80fd\u901a\u8fc7MCU\u4e2d\u7684\u7a0b\u5e8f\u5b9e\u73b0\u3002\u5177\u4f53\u914d\u7f6e\u53c2\u89c1\u672c\u6587\u201c\u5d4c\u5165\u5f0f\u8f6f\u4ef6\u8bbe\u8ba1\u201d\u90e8\u5206\u3002<\/p>\n<h2><span id=\"3\">3 \u6a21\u62df\u7535\u8def\u8bbe\u8ba1<\/span><\/h2>\n<p>\u5728\u6b64\u6a21\u62df\u7535\u8def\u6cdb\u6307\u91c7\u7528\u6a21\u62df\u7535\u6e90\u4f9b\u7535\u7684\u90e8\u5206\u7684\u7535\u8def\u3002<\/p>\n<p>\u6a21\u62df\u7535\u8def\u5305\u62ec\u9ad8\u6027\u80fdDAC\u3001I\/V\u53d8\u6362\u7535\u8def\u3001\u4f4e\u901a\u6ee4\u6ce2\u7535\u8def\u3001\u529f\u7387\u653e\u5927\u7535\u8def\u7b49\u90e8\u5206\u7ec4\u6210\u3002<\/p>\n<p>PCM1738\u91c7\u7528\u7535\u6d41\u8f93\u51fa\uff0c\u56e0\u6b64\u9700\u8981\u5728\u540e\u7ea7\u6dfb\u52a0I\/V\u53d8\u6362\u7535\u8def\u3002<\/p>\n<h3><span id=\"IV\">I\/V\u53d8\u6362\u7535\u8def<\/span><\/h3>\n<p>I\/V\u53d8\u6362\u7535\u8def\u662f\u5c06DAC\u7684\u8f93\u51fa\u4fe1\u53f7\u7531\u7535\u6d41\u53d8\u4e3a\u7535\u538b\u7684\u7535\u8def\u3002<\/p>\n<p>\u5bf9\u4e8eI\/V\u53d8\u6362\u7535\u8def\u8fd0\u653e\u7684\u8981\u6c42\u662f\u8fd0\u653e\u5e26\u5bbd\u5c3d\u91cf\u5927\uff0c\u8f93\u5165\u566a\u58f0\u6c34\u5e73\uff08\u5305\u62ec\u8f93\u5165\u7535\u538b\u3001\u7535\u6d41\uff09\u5c3d\u53ef\u80fd\u4f4e\uff0c\u8f93\u5165\u963b\u6297\u5c3d\u53ef\u80fd\u5927\uff0c\u8f93\u5165\u5931\u8c03\u7535\u6d41\u5c3d\u53ef\u80fd\u7684\u5c0f\uff0c\u5e76\u4e14\u5fc5\u987b\u662f\u5355\u4f4d\u589e\u76ca\u7a33\u5b9a\u7684\u3002\u8fd9\u91cc\u6700\u7406\u60f3\u7684\u662f\u7528\u8d85\u4f4e\u566a\u58f0\u7684FET\u8f93\u5165\u8fd0\u653e\u3002USB-Z01\u9009\u7528FET\u8f93\u5165\u7ea7\u7684\u8d85\u4f4e\u566a\u58f0\u653e\u5927\u5668OPA2134\u3002\u7535\u8def\u56fe\u5982\u56fe 21 I\/V\u53d8\u6362\u7535\u8def\u6240\u793a\u3002\u7531\u4e8eOPA2134\u7684\u8f93\u5165\u963b\u6297\u4e3aT\u6bb4\u7ea7\uff0c\u56e0\u6b64\u76f4\u63a5\u91c7\u7528\u53cd\u76f8\u7aef\u8f93\u5165\uff0c\u8fd9\u6837\u907f\u514d\u4e86\u76f4\u63a5\u5728\u7535\u6d41\u8f93\u51fa\u7aef\u4e0e\u7535\u6d41\u8f93\u51fa\u516c\u5171\u7aef\u76f4\u63a5\u5e76\u8054\u7535\u963b\u4ea7\u751f\u7684\u8fc7\u5927\u7684\u7535\u6d41\u5bfc\u81f4\u7684I\/V\u53d8\u6362\u7ebf\u6027\u5ea6\u5931\u771f\u7684\u95ee\u9898\uff0c\u540c\u65f6\u53c8\u4e0d\u4f1a\u56e0\u4e3a\u8fd0\u653e\u7684\u6f0f\u7535\u6d41\u5bfc\u81f4\u58f0\u97f3\u5931\u771f\u7684\u95ee\u9898\u3002<\/p>\n<p>\u7531\u4e8eDAC\u8f93\u51fa\u4e00\u5171\u6709\u4e24\u8def\uff0c\u6bcf\u8def\u90fd\u5206\u4e3aI+\u4e0eI-\u4e24\u90e8\u5206\uff0c\u6240\u4ee5\u5171\u9700\u89814\u4e2a\u8fd0\u653e\u505aI\/V\u53d8\u6362\u3002<\/p>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b842726c5amp.jpg\"><img loading=\"lazy\" title=\"6373e9e64bd2b842726c5&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e64bd2b842726c5&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b842726c5amp_thumb.jpg\" width=\"277\" height=\"120\"><\/a><\/p>\n<p align=\"center\"><a name=\"_Ref321600120\"><\/a>\u56fe 21 I\/V\u53d8\u6362\u7535\u8def<\/p>\n<h3><span id=\"i-14\">\u4f4e\u901a\u6ee4\u6ce2\u7535\u8def<\/span><\/h3>\n<p>\u4f4e\u901a\u6ee4\u6ce2\u7535\u8def\u91c7\u7528\u5dee\u5206\u5f0f\u7684\u4e8c\u9636\u5df4\u7279\u6c83\u65af\u4f4e\u901a\u6ee4\u6ce2\u5668\u3002\u6b64\u6ee4\u6ce2\u5668\u7684\u622a\u6b62\u9891\u7387\u8bbe\u8ba1\u6307\u6807\u662f120KHz\u3002<\/p>\n<p>\u4f46\u662f\u4f5c\u4e3a\u6700\u5e38\u7528\u7684USB\u6570\u636e\u8f93\u5165\u6a21\u5f0f\u800c\u8a00\uff0cUSBDAC\u8f93\u51fa\u7684\u4fe1\u53f7\u7684\u91c7\u6837\u7387\u6700\u9ad8\u4ec548KHz\uff0c\u56e0\u6b64\u505a\u622a\u6b62\u9891\u7387\u4e3a22KHz\u7684\u4f4e\u901a\u6ee4\u6ce2\u5668\u53ef\u80fd\u4f1a\u66f4\u597d\u3002\u9009\u62e922KHz\u4e00\u65b9\u9762\u662f\u56e0\u4e3a22KHz\u9891\u7387\u5728\u4eba\u8033\u7684\u542c\u89c9\u8303\u56f4\u4e4b\u5916\uff0c22KHz\u622a\u6b62\u9891\u7387\u7684\u4f4e\u901a\u6ee4\u6ce2\u5668\u4e5f\u6709\u6548\u7684\u6ee4\u9664\u4e86DAC\u4ea7\u751f\u7684\u4fe1\u53f7\u7684\u955c\u50cf\u9891\u7387\u566a\u58f0\u3002\u800c\u4e14\u4e3a\u4e86\u914d\u5408\u8fd9\u4e2aHiFi\u7ea7\u7684USB-Z01\u7684\u8bde\u751f\u800c\u8d2d\u4e70\u7684\u62dc\u4e9a\u52a8\u529b\u7684\u8033\u673aDT235\u7684\u9891\u54cd\u4e0a\u9650\u4e5f\u662f22KHz\u3002<\/p>\n<p>\u8bbe\u8ba1\u7684120KHz\u7684\u622a\u6b62\u9891\u7387\u662f\u9488\u5bf9SPDIF\u8f93\u5165\u6a21\u5f0f\u7684\u3002120KHz\u7684\u9891\u7387\u867d\u7136\u8d85\u51fa\u4e86\u4eba\u8033\u53ef\u4ee5\u5206\u8fa8\u7684\u8303\u56f4\uff0820Hz\uff5e20KHz\uff09\uff0c\u4f46\u662f\u4eba\u4f53\u4ecd\u7136\u5bf9\u8d85\u51fa20KHz\u7684\u58f0\u97f3\u6709\u611f\u89c9\uff0c\u800c\u4e14\u8fd9\u79cd\u611f\u89c9\u5bf9\u4e8e\u542c\u89c9\u4f53\u9a8c\u4e5f\u6709\u5f88\u91cd\u8981\u7684\u4f5c\u7528\u3002120KHz\u7684\u6ee4\u6ce2\u5668\u4e5f\u6709\u6548\u7684\u6ee4\u9664\u4e86192KHz\u91c7\u6837\u7387\u4e0b\u7684\u955c\u50cf\u9891\u7387\u566a\u58f0\u3002<\/p>\n<p>\u5982\u679c\u505a\u4e00\u4e2a\u7a0b\u63a7\u6ee4\u6ce2\u5668\u6548\u679c\u53ef\u80fd\u4f1a\u66f4\u597d\uff0c\u4f46\u662f120KHz\u7684\u6ee4\u6ce2\u5668\u4e5f\u5df2\u7ecf\u8db3\u591f\u3002<\/p>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b843446ecamp.jpg\"><img loading=\"lazy\" title=\"6373e9e64bd2b843446ec&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e64bd2b843446ec&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b843446ecamp_thumb.jpg\" width=\"367\" height=\"271\"><\/a><\/p>\n<p align=\"center\"><a name=\"_Ref321601099\"><\/a>\u56fe 22 \u4e8c\u9636\u5df4\u7279\u6c83\u65af\u4f4e\u901a\u6ee4\u6ce2\u5668<\/p>\n<p>\u6ee4\u6ce2\u5668\u7684\u8bbe\u8ba1\u5982\u56fe 22\u6240\u793a\u3002<\/p>\n<h3><span id=\"i-15\">\u529f\u7387\u653e\u5927\u7535\u8def<\/span><\/h3>\n<p>\u529f\u7387\u653e\u5927\u7535\u8def\u5305\u62ec\u524d\u7f6e\u653e\u5927\u5668\u4e0e\u529f\u7387\u653e\u5927\u5668\u4e24\u90e8\u5206\u3002<\/p>\n<p>\u524d\u7f6e\u653e\u5927\u5668\u4e3b\u8981\u8d1f\u8d23\u7535\u538b\u653e\u5927\u3002\u7535\u538b\u653e\u5927\u91c7\u7528\u53ef\u66f4\u6362\u7684\u53cc\u5217\u76f4\u63d2\u5f0f\u63d2\u5ea7\uff0c\u65b9\u4fbf\u66f4\u6362\u8fd0\u653e\u66f4\u6362USB-Z01\u7684\u97f3\u8272\u3002<\/p>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b844ae687amp.jpg\"><img loading=\"lazy\" title=\"6373e9e64bd2b844ae687&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e64bd2b844ae687&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b844ae687amp_thumb.jpg\" width=\"430\" height=\"142\"><\/a><\/p>\n<p align=\"center\">\u56fe 23 \u524d\u7f6e\u653e\u5927\u5668\u7535\u8def\u8bbe\u8ba1<\/p>\n<p>\u524d\u7f6e\u653e\u5927\u5668\u8981\u6c42\u653e\u5927\u5668\u5177\u6709\u8f83\u4f4e\u7684\u5931\u8c03\u7535\u538b\u3001\u8f83\u4f4e\u7684\u603b\u8c10\u6ce2\u5931\u771f\u7b49\u6307\u6807\uff0c\u4e3b\u8981\u5b8c\u6210\u7535\u538b\u653e\u5927\u7684\u529f\u80fd\u3002\u5982\u679cI\/V\u53d8\u6362\u8bbe\u8ba1\u5408\u7406\uff0c\u5c06\u6700\u5927\u7535\u538b\u8bbe\u5b9a\u4e3a0.7V\u5de6\u53f3\uff0c\u90a3\u4e48\u53ea\u7528\u8033\u673a\u65f6\u53ef\u4ee5\u4e0d\u9700\u8981\u8fd9\u4e00\u7ea7\u3002\u4f46\u662f\u8003\u8651\u5230\u8f93\u51fa\u63a5\u53e3\u53ef\u80fd\u8fd8\u4f1a\u7528\u6765\u9a71\u52a8\u97f3\u7bb1\uff0c\u9ad8\u963b\u6297\u8033\u673a\u7b49\u8bbe\u5907\uff08\u6709\u4e9b\u8033\u673a\u7684\u963b\u6297\u53ef\u80fd\u9ad8\u8fbe600\u6b27\u59c6\uff0c\u8fdc\u8d85\u8fc7\u666e\u901a\u8033\u673a\u768450\u6b27\u59c6\uff09\uff0c0.7V\u7684\u7535\u538b\u9a71\u52a8\u80fd\u529b\u4e0d\u8db3\u3002\u800c\u4e14\u524d\u7f6e\u653e\u5927\u5668\u53ef\u4ee5\u91c7\u7528\u53cc\u5217\u76f4\u63d2\u63d2\u5ea7\uff0c\u65b9\u4fbf\u66f4\u6362\u3002\u8fd9\u91cc\u6709\u4e2a\u7591\u95ee\uff0c\u5728I\/V\u53d8\u6362\u7ea7\u91c7\u7528\u53cc\u5217\u76f4\u63d2\u63d2\u5ea7\u4e3a\u4ec0\u4e48\u4e0d\u53ef\u4ee5\u5462\uff1f<\/p>\n<p>\u56e0\u4e3aI\/V\u53d8\u6362\u90e8\u5206\u5bf9\u7535\u6d41\u654f\u611f\uff0c\u800c\u7ecf\u5e38\u63d2\u62d4\u90e8\u5206\u7684\u963b\u6297\u53ef\u80fd\u4f1a\u53d1\u751f\u6539\u53d8\uff0c\u5f71\u54cd\u7535\u6d41\u7684\u6b63\u5e38\u53d8\u6362\u3002\u800c\u524d\u7f6e\u653e\u5927\u5668\u4ec5\u4ec5\u53ea\u662f\u7535\u538b\u653e\u5927\uff0c\u56e0\u4e3a\u7535\u6d41\u975e\u5e38\u5c0f\uff0c\u6240\u4ee5\u963b\u6297\u7684\u6539\u53d8\u5bf9\u7535\u538b\u7684\u6539\u53d8\u4e5f\u975e\u5e38\u5c0f\uff0c\u6240\u4ee5\u524d\u7f6e\u653e\u5927\u5668\u8fd8\u662f\u6709\u5fc5\u8981\u7684\u3002<\/p>\n<p>\u529f\u7387\u653e\u5927\u5668\u91c7\u7528\u5355\u7247THS3092\u7684\u89e3\u51b3\u65b9\u6848\u3002THS3092\u662fTI\u516c\u53f8\u7684\u4e00\u6b3e\u4f4e\u5931\u771f\uff0866dBc at 10MHz\uff09\u3001\u4f4e\u566a\u58f0\uff082nV\/sqrtHz\uff09\u3001\u6781\u9ad8\u538b\u6446\u7387\uff085700V\/us\uff09\u3001\u5bbd\u5e26\uff08160MHz\uff09\u3001\u5927\u7535\u6d41\u8f93\u51fa\uff08250mA\uff09\u3001\u9ad8\u7535\u538b\uff08\u6b63\u8d1f5V\uff5e\u6b63\u8d1f15V\uff09\u7684\u7535\u6d41\u53cd\u9988\u578b\u653e\u5927\u5668\u3002<\/p>\n<p>THS3092\u5e38\u5e38\u7528\u4e8exDSL\u9a71\u52a8\u5668\u4e2d\uff0c\u4f46\u662fTHS3092\u5185\u90e8\u7684\u8bbe\u8ba1\u7ed3\u6784\u539f\u7406\uff08\u53c2\u89c1\u56fe 24\uff09\u4e0e\u666e\u901a\u8033\u673a\u653e\u5927\u5668\u7684\u5bf9\u7ba1\u642d\u5efa\u7684AB\u7c7b\u653e\u5927\u5668\u7684\u7ed3\u6784\u539f\u7406\u5b8c\u5168\u4e00\u81f4\uff0c\u800c\u4e14\u5177\u6709\u6781\u597d\u7684\u6027\u80fd\u4e0e\u6307\u6807\uff08250mA\u8f93\u51fa\u3001\u6781\u4f4e\u7684\u566a\u58f0\u4e0e\u5931\u771f\u3001\u6781\u5bbd\u7684\u5e26\u5bbd\uff09\uff0c\u6211\u4eec\u5b8c\u5168\u6ca1\u6709\u4efb\u4f55\u7406\u7531\u53cd\u5bf9\u91c7\u7528xDSL Driver\u505a\u97f3\u9891\u6bb5\u7684\u529f\u7387\u653e\u5927\u5668\u3002\u4e0d\u8fc7\u7531\u4e8e\u7535\u6d41\u53cd\u9988\u653e\u5927\u5668\u8bbe\u8ba1\u4e0d\u5f53\u5bb9\u6613\u70e7\u6bc1\uff0c\u4e14\u6781\u9ad8\u5e26\u5bbd\u7684\u653e\u5927\u5668\u4e0d\u5bb9\u6613\u505a\u7a33\u5b9a\uff0c\u56e0\u6b64\u53ef\u80fd\u4e0d\u5bb9\u6613\u8c03\u8bd5\uff0c\u4f46\u662f\u53ea\u8981\u5e03\u7ebf\u5408\u7406\uff0c\u518d\u52a0\u4e0a\u79ef\u7d2f\u7684\u8c03\u8bd5\u6280\u5de7\uff0c\u4f7f\u7528\u7535\u6d41\u53cd\u9988\u578b\u653e\u5927\u5668\u505a\u97f3\u9891\u8303\u56f4\u5185\u7684\u529f\u7387\u653e\u5927\u5668\u5b8c\u5168\u6ca1\u6709\u4efb\u4f55\u95ee\u9898\u3002\u5728\u5b9e\u9645\u6d4b\u8bd5\u4e2d\u4e5f\u53d1\u73b0\uff0c\u4f7f\u7528\u7535\u6d41\u53cd\u9988\u578b\u653e\u5927\u5668\u505a\u7684\u529f\u7387\u653e\u5927\u5668\uff0c\u9ad8\u9891\u6e05\u6f88\u800c\u901a\u900f\uff0c\u4f4e\u9891\u96c4\u6d51\u6709\u529b\u800c\u53c8\u4e0d\u6d51\u6d4a\uff0c\u5b8c\u5168\u7b26\u5408\u5fc3\u4e2d\u6240\u60f3\u7684\u5bf9\u529f\u7387\u653e\u5927\u5668\u7684\u8981\u6c42\u3002<\/p>\n<p>THS3092\u4f5c\u4e3a\u529f\u7387\u653e\u5927\u5668\uff0c\u5916\u90e8\u7535\u8def\u7b80\u5355\uff0c\u7535\u8def\u8bbe\u8ba1\u56fe\u5982\u56fe 25\u6240\u793a\u3002\u56fe\u4e2d\u5e76\u8054\u76842pF\u7684\u7535\u5bb9\u5728\u53cd\u9988\u7535\u963b\u4e0a\u642d\u5efa\u4e86\u4e00\u4e2a\u7b80\u5355\u7684\u9ad8\u901a\u6ee4\u6ce2\u5668\uff0c\u6709\u6548\u7684\u907f\u514d\u4e86\u81ea\u6fc0\u9707\u8361\u7684\u51fa\u73b0\u3002<\/p>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b845a79fdamp.jpg\"><img loading=\"lazy\" title=\"6373e9e64bd2b845a79fd&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e64bd2b845a79fd&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b845a79fdamp_thumb.jpg\" width=\"546\" height=\"350\"><\/a><\/p>\n<p align=\"center\"><a name=\"_Ref321601994\"><\/a>\u56fe 24 \u7535\u6d41\u53cd\u9988\u653e\u5927\u5668\u5185\u90e8\u5de5\u4f5c\u539f\u7406<\/p>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b84697dbbamp.jpg\"><img loading=\"lazy\" title=\"6373e9e64bd2b84697dbb&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e64bd2b84697dbb&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b84697dbbamp_thumb.jpg\" width=\"230\" height=\"127\"><\/a><\/p>\n<p align=\"center\"><a name=\"_Ref321602378\"><\/a>\u56fe 25 \u529f\u7387\u653e\u5927\u5668\u7535\u8def\u8bbe\u8ba1<\/p>\n<h2><span id=\"4\">4 \u53ef\u6269\u5c55\u6027\u8bbe\u8ba1<\/span><\/h2>\n<p>\u7cfb\u7edf\u91c7\u7528\u4e86\u4e24\u4e2a\u8f93\u5165\u7aef\u53e3\uff08USB\u8f93\u5165\uff0cSPDIF\u63a5\u53e3\u8f93\u5165\uff09\uff0c\u4e09\u4e2a\u8f93\u51fa\u7aef\u53e3\uff08\u4f4e\u529f\u8017\u8033\u673a\u8f93\u51fa\u63a5\u53e3\u3001HiFi\u8033\u673a\u8f93\u51fa\u63a5\u53e3\u3001SPDIF\u63a5\u53e3\u8f93\u51fa\u63a5\u53e3\uff09\u3002\u5e76\u4e14\u901a\u8fc7\u914d\u7f6e\uff0c\u53ef\u4ee5\u5c06\u81ea\u52a8\u8f93\u51fa\u7684SPDIF\u4fe1\u53f7\u63a5\u5165\u5230\u7cfb\u7edf\u7684SPDIF\u8f93\u5165\u63a5\u53e3\u4e2d\uff0c\u540c\u6837\u4e5f\u53ef\u4ee5\u5728HiFi\u8033\u673a\u8f93\u51fa\u63a5\u53e3\u83b7\u5f97HiFi\u7ea7\u7684\u58f0\u97f3\u3002<\/p>\n<p>\u53e6\u5916\u7cfb\u7edf\u8fd8\u5145\u5206\u7684\u5229\u7528\u4e86\u6bcf\u4e2a\u5668\u4ef6\u7684\u529f\u80fd\uff0c\u6682\u65f6\u65e0\u7528\u7684\u529f\u80fd\u90fd\u91c7\u7528\u5f15\u811a\u8fde\u63a5\u51fa\u6765\uff0c\u65b9\u4fbf\u4ee5\u540e\u6269\u5c55\u4f7f\u7528\u3002\u5982PCM2707\u4e2duMute\u3001uVolume+\u7b49\u63a5\u53e3\u3002<\/p>\n<p>USB-Z01\u91c7\u7528\u4e86\u8f6f\u4ef6\u63a7\u5236\u7684\u9ad8\u6027\u80fdDAC\u82af\u7247PCM1738\uff0c\u53ef\u4ee5\u65b9\u4fbf\u7684\u8fdb\u884c\u56fa\u4ef6\u5347\u7ea7\uff0c\u5e76\u4e14\u5141\u8bb8\u7528\u6237\u901a\u8fc7\u7f16\u5199\u7684\u4e0a\u4f4d\u673a\u8f6f\u4ef6\u5b8c\u6210\u5bf9USB-Z01\u7684\u63a7\u5236\u529f\u80fd\u3002<\/p>\n<p>\u7cfb\u7edf\u7684\u7535\u6e90\u5141\u8bb8\u76f4\u6d41\u3001\u4ea4\u6d41\u8f93\u5165\uff0c\u800c\u4e14\u5177\u6709\u9632\u6b62\u63a5\u53cd\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u5728\u5404\u79cd\u7535\u6e90\u73af\u5883\u4e2d\u4f7f\u7528\u3002<\/p>\n<p>USB-Z01\u5bf9\u53ef\u80fd\u9700\u8981\u81ea\u884c\u66f4\u6362\u5668\u4ef6\u7684\u90e8\u5206\u91c7\u7528\u4e86\u53cc\u5217\u76f4\u63d2\u63d2\u5ea7\uff0c\u53ef\u4ee5\u65b9\u4fbf\u7684\u901a\u8fc7\u66f4\u6362\u5668\u4ef6\u83b7\u5f97\u4e0d\u540c\u7684\u58f0\u97f3\u7684\u97f3\u8272\u3002<\/p>\n<h1><span id=\"i-16\">\u56db\u3001 \u7cfb\u7edf\u8f6f\u4ef6\u8bbe\u8ba1<\/span><\/h1>\n<h2><span id=\"1-3\"><a name=\"_Ref321599542\"><\/a>1 \u5d4c\u5165\u5f0f\u8f6f\u4ef6\u8bbe\u8ba1<\/span><\/h2>\n<p>USB-Z01\u7684\u5f88\u591a\u914d\u7f6e\u90fd\u662f\u901a\u8fc7MCU\u6267\u884c\u3002\u53ef\u4ee5\u914d\u7f6e\u7684\u5185\u5bb9\u5305\u62ec\uff1a\u4f4e\u529f\u8017\u6a21\u5f0f\u4e0b\u9759\u97f3\u3001\u97f3\u91cf\u52a0\u3001\u97f3\u91cf\u51cf\u3001USBDAC\u5de5\u4f5c\u6a21\u5f0f\uff1bHiFi\u6a21\u5f0f\u4e0b\u9759\u97f3\u3001\u5de6\u53f3\u58f0\u9053\u7684\u97f3\u91cf\u3001\u9759\u97f3\u68c0\u6d4b\u3001\u6570\u5b57\u6ee4\u6ce2\u5668\u6eda\u964d\u6a21\u5f0f\u63a7\u5236\u3001\u6570\u5b57\u6ee4\u6ce2\u5668\u8d1f\u8f7d\u63a7\u5236\u3001\u8f93\u5165\u6570\u5b57\u4fe1\u53f7\u683c\u5f0f\u3001\u91c7\u6837\u7387\u9009\u62e9\u3001\u8f93\u51fa\u76f8\u4f4d\u53cd\u8f6c\u63a7\u5236\u3001DAC\u5de5\u4f5c\u72b6\u6001\u63a7\u5236\u3001\u7cfb\u7edf\u65f6\u949f\u63a7\u5236\u3001\u7cfb\u7edf\u590d\u4f4d\u63a7\u5236\u3001\u6570\u5b57\u6ee4\u6ce2\u5668\u504f\u7f6e\u63a7\u5236\u3002\u53e6\u5916MCU\u8fd8\u53ef\u4ee5\u63a7\u5236USB-Z01\u7684\u8f93\u5165\u63a5\u53e3\u3001\u8f93\u51fa\u63a5\u53e3\u3002<\/p>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b84697d9bamp.jpg\"><img loading=\"lazy\" title=\"6373e9e64bd2b84697d9b&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e64bd2b84697d9b&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b84697d9bamp_thumb.jpg\" width=\"454\" height=\"283\"><\/a><\/p>\n<p align=\"center\"><a name=\"_Ref321682764\"><\/a>\u56fe 26 \u8f6f\u4ef6\u5de5\u4f5c\u6d41\u7a0b\u56fe<\/p>\n<p>MCU\u9009\u7528SST\u516c\u53f8\u768451\u5185\u6838\u7684\u5355\u7247\u673aSST89E516\u3002SST89E516\u91c7\u75285V\u4f9b\u7535\uff0c\u76f4\u63a5\u4eceUSB\u603b\u7ebf\u53d6\u7535\u3002\u91c7\u7528Keil\u5f00\u53d1\u3002\u8f6f\u4ef6\u8fd0\u884c\u6d41\u7a0b\u56fe\u53c2\u89c1\u56fe 26 \u8f6f\u4ef6\u5de5\u4f5c\u6d41\u7a0b\u56fe\u3002<\/p>\n<h2><span id=\"2-3\">2 \u4e0a\u4f4d\u673a\u8f6f\u4ef6\u8bbe\u8ba1<\/span><\/h2>\n<p>\u4e0a\u4f4d\u673a\u8f6f\u4ef6\u8d1f\u8d23\u4e0eMCU\u8fdb\u884c\u901a\u4fe1\uff0c\u901a\u8fc7\u7ed9MCU\u53d1\u9001\u63a7\u5236\u6307\u4ee4\uff0c\u8ba9MCU\u63a7\u5236USB-Z01\u7684\u5de5\u4f5c\uff0c\u4ece\u800c\u5b9e\u73b0\u201c\u4e2d\u592e\u63a7\u5236\u7aef\u201d\u7684\u4f5c\u7528\u3002\u4e0a\u4f4d\u673a\u8f6f\u4ef6\u91c7\u7528MFC\u5f00\u53d1\uff0c\u5176UI\u754c\u9762\u5982\u56fe 27\u6240\u793a\u3002<\/p>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b847182d3amp.jpg\"><img loading=\"lazy\" title=\"6373e9e64bd2b847182d3&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e64bd2b847182d3&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b847182d3amp_thumb.jpg\" width=\"310\" height=\"180\"><\/a><\/p>\n<p align=\"center\"><a name=\"_Ref321683023\"><\/a>\u56fe 27 \u4e0a\u4f4d\u673a\u63a7\u5236\u8f6f\u4ef6UI\u56fe<\/p>\n<p>\u901a\u4fe1\u7684\u6307\u4ee4\u76ee\u524d\u4e00\u5171\u5206\u4e3a\u516d\u79cd\uff1a\u83b7\u53d6\u5de6\u58f0\u9053\u97f3\u91cf\u3001\u83b7\u53d6\u53f3\u58f0\u9053\u97f3\u91cf\u3001\u83b7\u53d6\u8f93\u51fa\u6a21\u5f0f\u3001\u8bbe\u7f6e\u5de6\u58f0\u9053\u97f3\u91cf\u3001\u8bbe\u7f6e\u53f3\u58f0\u9053\u97f3\u91cf\u3001\u8bbe\u7f6e\u8f93\u51fa\u65b9\u5f0f\u3002\u6bcf\u6b21\u8bbe\u7f6e\u5de6\u58f0\u9053\u6216\u8005\u53f3\u58f0\u9053\u97f3\u91cf\u65f6\uff0c\u7cfb\u7edf\u90fd\u4f1a\u6267\u884c\u4e00\u6b21\u8bfb\u53d6\u6240\u6709\u914d\u7f6e\u53c2\u6570\u7684\u6307\u4ee4\uff0c\u66f4\u65b0\u754c\u9762\u4e0a\u7684\u6570\u636e\u72b6\u6001\u3002<\/p>\n<p>\u4e0a\u4f4d\u673a\u7684\u8f6f\u4ef6\u4ee5\u53caMCU\u4e2d\u7684\u8f6f\u4ef6\u4e0b\u8f7d\uff0c\u8bf7\u53c2\u89c1\u9644\u4ef6\u3002<\/p>\n<h1><span id=\"i-17\">\u4e94\u3001 \u7cfb\u7edf\u6574\u4f53\u6548\u679c<\/span><\/h1>\n<p>\u539f\u672c\u8bbe\u8ba1\u91c7\u7528\u7684\u524d\u7ea7\u653e\u5927\u5668\u662fOPA2111\u3002\u4f46\u662f\u7ecf\u8fc7\u66f4\u6362\u4e4b\u540e\u53d1\u73b0AD817\u7684\u542c\u611f\u66f4\u597d\uff0c\u56e0\u6b64\u6539\u9009\u7528AD817\u4f5c\u4e3a\u524d\u7ea7\u653e\u5927\u5668\u3002PC\u4e0a\u91c7\u7528Adobe Audition3.0\u751f\u62100.1Hz\uff5e30KHz\u7684\u6b63\u5f26\u6ce2\uff08\u6b65\u8fdb\u503c\uff1a10\u500d\uff09\uff0c\u5728\u8f93\u51fa\u7aef\u7528\u793a\u6ce2\u5668\u6d4b\u91cf\uff0c\u7ed3\u679c\u6b63\u5f26\u6ce2\u7684\u5931\u771f\u5ea6\u90fd\u5c0f\u4e8e0.2%\uff08FFT\u8ba1\u7b97\u5f97\u77e5\uff09\u3002\u5f53\u8f93\u5165\u7aef\u6ca1\u6709\u4fe1\u53f7\u65f6\uff0c\u8f93\u51fa\u7aef\u7684\u566a\u58f0\u7535\u538b\u6781\u4f4e\uff08\u4f4e\u4e8e\u6cf0\u514b\u793a\u6ce2\u5668TDS1002B\u7684\u6700\u4f4e\u6d4b\u51fa\u8303\u56f4\uff09\u3002\u56e0\u6b64\u58f0\u5361\u7684\u97f3\u8d28\u8fbe\u5230\u4e86\u9884\u671f\u7684\u6c34\u5e73\u3002<\/p>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b84bdf150amp.jpg\"><img loading=\"lazy\" title=\"6373e9e64bd2b84bdf150&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e64bd2b84bdf150&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b84bdf150amp_thumb.jpg\" width=\"644\" height=\"485\"><\/a><\/p>\n<p align=\"center\">\u56fe 28 \u7cfb\u7edf\u6574\u4f53\u56fe<\/p>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b851b6e91amp.jpg\"><img loading=\"lazy\" title=\"6373e9e64bd2b851b6e91&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e64bd2b851b6e91&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b851b6e91amp_thumb.jpg\" width=\"644\" height=\"485\"><\/a><\/p>\n<p align=\"center\">\u56fe 29 USBDAC\u82af\u7247PCM2707\u53caUSB\u63a5\u53e3<\/p>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b857b3183amp.jpg\"><img loading=\"lazy\" title=\"6373e9e64bd2b857b3183&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e64bd2b857b3183&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e64bd2b857b3183amp_thumb.jpg\" width=\"644\" height=\"485\"><\/a><\/p>\n<p align=\"center\">\u56fe 30 \u7535\u6e90\u90e8\u5206<\/p>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e60795127040103amp.jpg\"><img loading=\"lazy\" title=\"6373e9e60795127040103&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e60795127040103&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e60795127040103amp_thumb.jpg\" width=\"644\" height=\"485\"><\/a><\/p>\n<p align=\"center\">\u56fe 31 \u9ad8\u6027\u80fdDAC\u2014\u2014PCM1738<\/p>\n<p align=\"center\"><a href=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e6079512711e197amp.jpg\"><img loading=\"lazy\" title=\"6373e9e6079512711e197&amp;amp\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"6373e9e6079512711e197&amp;amp\" src=\"http:\/\/img.liuwenhao.ink\/img\/02USB-HiFiUSB-Z01_1857\/6373e9e6079512711e197amp_thumb.jpg\" width=\"644\" height=\"485\"><\/a><\/p>\n<p align=\"center\">\u56fe 32 \u524d\u7ea7\u653e\u5927\u5668AD817<\/p>\n<h1><span id=\"i-18\">\u516d\u3001 \u7ed3\u675f\u8bed<\/span><\/h1>\n<p>USB-Z01\u662f\u81ea\u5df1\u7eafDIY\u7684\u4e00\u5957\u81ea\u8ba4\u4e3a\u662fHiFi\u7ea7\u7684\u58f0\u5361\u8bbe\u5907\u3002\u4ece\u7535\u8def\u8bbe\u8ba1\u9a8c\u8bc1\u3001PCB\u8bbe\u8ba1\u5236\u4f5c\u3001\u5143\u5668\u4ef6\u9009\u578b\u91c7\u8d2d\u710a\u63a5\u3001\u6574\u673a\u8c03\u8bd5\u3001\u4e66\u5199\u6587\u6863\uff0c\u524d\u540e\u82b1\u6389\u5927\u7ea62\u4e2a\u6708\u7684\u65f6\u95f4\uff0c\u6324\u5360\u4e86\u672c\u6765\u5e94\u8be5\u505a\u672c\u79d1\u6bd5\u4e1a\u8bbe\u8ba1\u7684\u5927\u7ea6\u4e09\u5206\u4e4b\u4e00\u7684\u65f6\u95f4\u3002\u5728\u8fd9\u4e24\u4e2a\u6708\u7684\u65f6\u95f4\u91cc\uff0c\u51e0\u4e4e\u6bcf\u5929\u9664\u4e86\u5403\u996d\uff0c\u5168\u90e8\u7cbe\u529b\u90fd\u6295\u5165\u5230USB-Z01\u7684\u8bbe\u8ba1\u4e2d\u3002<\/p>\n<p>\u611f\u8c22HZKJ\u5927\u5b66DGDZ\u521b\u65b0\u4e2d\u5fc3\u8001\u5e08\u4ee5\u53ca\u540c\u5b66\u4eec\u7684\u652f\u6301\uff0c\u4ee5\u53caTI\u516c\u53f8\u7684\u6837\u7247\u652f\u6301\u3002\u6ca1\u6709\u4f60\u4eec\u7684\u652f\u6301\uff0c\u6211\u7684USB-Z01\u7684\u8bde\u751f\u6216\u8bb8\u4f1a\u5386\u7ecf\u66f4\u591a\u7684\u574e\u5777\u3002<\/p>\n<p>\u5373\u4fbf\u5728\u5236\u4f5c\u7684\u8fc7\u7a0b\u4e2d\u9047\u89c1\u4e86\u5404\u79cd\u5404\u6837\u7684\u5f62\u5f62\u8272\u8272\u7684\u574e\u5777\uff0c\u4f46\u662f\u6211\u4f9d\u7136\u4f1a\u575a\u6301\u5728\u8ffd\u6c42HiFi\u7684\u9053\u8def\u4e0a\u8d70\u4e0b\u53bb\u3002\u8ffd\u6c42HiFi\uff0c\u5176\u5b9e\u4e0d\u5728\u4e8e\u5bf9\u58f0\u5361\u3001\u5bf9\u8033\u673a\u8fd9\u4e9b\u6240\u8c13\u7684\u201c\u8bbe\u5907\u201d\u7684\u578b\u53f7\u7684\u8981\u6c42\uff0c\u771f\u6b63\u7684HiFi\u5176\u5b9e\u662f\u4e00\u79cd\u7cbe\u795e\uff0c\u4e00\u79cd\u5bf9\u5b8c\u7f8e\u5b5c\u5b5c\u4e0d\u5026\u7684\u8ffd\u6c42\u3002<\/p>\n<h1><span id=\"i-19\"><b>\u53c2\u8003\u8d44\u6599<\/b><\/span><\/h1>\n<p>[1]\u738b\u5f66,\u57fa\u4e8eFPGA\u7684\u5de5\u7a0b\u8bbe\u8ba1\u4e0e\u5e94\u7528.\u897f\u5b89\u7535\u5b50\u79d1\u6280\u5927\u5b66\u51fa\u7248\u793e.2007,2<\/p>\n<p>[2]\u5b8b\u9e4f\u6d9b,\u6570\u5b57\u6ee4\u6ce2\u5668\u8bbe\u8ba1\u53ca\u5de5\u7a0b\u5e94\u7528.\u6c5f\u82cf\u5927\u5b66\u51fa\u7248\u793e.2009.3<\/p>\n<p>[3]\u53f2\u4e45\u8d35,\u57fa\u4e8eAltium Designer \u7684\u539f\u7406\u56fe\u4e0ePCB\u8bbe\u8ba1.\u673a\u68b0\u5de5\u4e1a\u51fa\u7248\u793e.2010.1<\/p>\n<p>[4] Balazs Vargha, Istvan Zolt an,Calibration Algorithm for Current -output R- 2R Ladders.&nbsp;&nbsp;&nbsp;&nbsp; IEEE Trans Inst rum Meas, 2002, 50( 5 ) :1216~ 1220<\/p>\n<p>[5]\u5434\u8c6b,\u5b5f\u5baa\u5143,Flash\u7f16\u7a0b\u5668\u7684FPGA\u5b9e\u73b0[J].\u534a\u5bfc\u4f53\u6280\u672f,2003\u5e7405\u671f<\/p>\n<p>[6]\u5510\u7d20\u971e,PCB\u677f\u7684\u8bbe\u8ba1\u8981\u6790[J].\u51ef\u91cc\u5b66\u9662\u5b66\u62a5,2009\u5e7403\u671f<\/p>\n<h1><span id=\"i-20\">\u9644\u5f55\uff08\u70b9\u51fb\u4e0b\u8f7d\uff09<\/span><\/h1>\n<p>1. <wbr><a href=\"http:\/\/vdisk.weibo.com\/s\/irksBZzc_8B5\" rel=\"noopener noreferrer\" target=\"_blank\">\u7cfb\u7edf\u8bbe\u8ba1\u7535\u8def\u539f\u7406\u56fe<\/a><\/p>\n<p><wbr>&nbsp;<wbr>&nbsp;<wbr> 2. <wbr><a href=\"http:\/\/vdisk.weibo.com\/s\/irksBZzc_8vz\" rel=\"noopener noreferrer\" target=\"_blank\">\u7cfb\u7edfLayout\u56fe<\/a><\/p>\n<p><wbr>&nbsp;<wbr>&nbsp;<wbr> 3. <wbr><a href=\"http:\/\/vdisk.weibo.com\/s\/irksBZzc_8vl\" rel=\"noopener noreferrer\" target=\"_blank\">USB-Z01\u6240\u6709\u7a0b\u5e8f\u6e90\u4ee3\u7801<\/a><\/p>\n<p><wbr>&nbsp;<wbr>&nbsp;<wbr> 4. <wbr><a href=\"http:\/\/vdisk.weibo.com\/s\/irksBZzc_8v2\" rel=\"noopener noreferrer\" target=\"_blank\">\u7269\u6599\u6e05\u5355<\/a><\/p>\n<p><wbr>&nbsp;<wbr>&nbsp;<wbr> 5. <wbr><a href=\"http:\/\/vdisk.weibo.com\/s\/irksBZzc_8vr\" rel=\"noopener noreferrer\" target=\"_blank\">\u672c\u6587\u6863pdf\u7248<\/a>\u3010\u6587\u6863\u6253\u5f00\u5bc6\u7801 http:\/\/blog.sina.com.cn\/asvzeg\u3011<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6458\u8981 USB-Z01\u662f\u672c\u4eba\u81ea\u4e3b\u7814\u53d1\u7684\u5229\u7528\u7535\u8111USB\u63a5\u53e3\u8f93\u51fa\u58f0\u97f3\u4fe1\u53f7\u7684\u8bbe\u5907\u3002USB-Z01\u4ee5TI\u7684USBDAC\u82af\u7247PCM2707\u4ee5\u53ca\u9ad8\u6027\u80fd\u7684\u97f3\u9891\u89e3\u7801\u5668PCM1738\u4e3a\u6838\u5fc3\u5b9e\u73b0\u4e86\u9ad8\u4fdd\u771f\u7684USB\u58f0\u5361\u8bbe\u8ba1\u3002USB-Z01\u5177\u6709\u4e24\u79cd\u5de5\u4f5c\u6a21\u5f0f\uff1a\u4f4e\u529f\u8017\u6a21\u5f0f\u4ee5\u53ca\u9ad8\u4fdd\u771f\u6a21\u5f0f\u3002\u5728\u4f4e\u529f\u8017\u6a21\u5f0f\u4e0b\uff0c\u7cfb\u7edf\u53ea\u9700\u63a5USB\u7ebf\uff0c\u65e0\u9700\u5916\u90e8&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":-424,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[2],"tags":[37],"views":2008,"_links":{"self":[{"href":"https:\/\/www.liuwenhao.me\/index.php?rest_route=\/wp\/v2\/posts\/424"}],"collection":[{"href":"https:\/\/www.liuwenhao.me\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.liuwenhao.me\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.liuwenhao.me\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.liuwenhao.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=424"}],"version-history":[{"count":3,"href":"https:\/\/www.liuwenhao.me\/index.php?rest_route=\/wp\/v2\/posts\/424\/revisions"}],"predecessor-version":[{"id":5381,"href":"https:\/\/www.liuwenhao.me\/index.php?rest_route=\/wp\/v2\/posts\/424\/revisions\/5381"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.liuwenhao.me\/index.php?rest_route=\/"}],"wp:attachment":[{"href":"https:\/\/www.liuwenhao.me\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=424"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.liuwenhao.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=424"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.liuwenhao.me\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=424"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}