{"id":94,"date":"2013-09-30T03:58:59","date_gmt":"2013-09-29T19:58:59","guid":{"rendered":"http:\/\/workshop.siliconforce.com\/?p=94"},"modified":"2014-04-08T14:14:49","modified_gmt":"2014-04-08T06:14:49","slug":"%e9%9f%b3%e9%9f%bf%e6%94%be%e5%a4%a7%e5%99%a8%e3%80%8c%e9%9b%bb%e6%b5%81%e8%81%b2%e3%80%8d%e7%9a%84%e6%88%90%e5%9b%a0-%e2%94%80%e2%94%80%e3%80%80%e7%ac%ac%e4%ba%8c%e8%ac%9b-%e6%84%9f%e6%87%89","status":"publish","type":"post","link":"https:\/\/workshop.siliconforce.com\/?p=94","title":{"rendered":"\u97f3\u97ff\u653e\u5927\u5668\u300c\u96fb\u6d41\u8072\u300d\u7684\u6210\u56e0 \u2500\u2500\u3000(\u7b2c\u4e8c\u8b1b) \u611f\u61c9\u96dc\u8a0a\u8207\u6a5f\u5167\u4f48\u7dda\u53ca\u5c4f\u853d\u7b56\u7565"},"content":{"rendered":"<p>\u5982\u4f55\u770b\u601d\u92d2\u5de5\u4f5c\u5ba4\u7684\u6587\u7ae0\uff1a<\/p>\n<ul>\n<li>\u85cd\u8272\u5b57\u70ba\u6458\u8981\uff0c\u770b\u5b8c\u6c92\u8208\u8da3\u7684\u8a71\uff0c\u90a3\u5c31\u5225\u770b\u4e0b\u4e86\u53bb\u4e86\u3002<\/li>\n<li>\u7da0\u8272\u5b57\u662f\u6280\u8853\u5206\u6790\uff0c\u5c0d\u6b64\u6c92\u8208\u8da3\u7684\u53ef\u4ee5\u7565\u904e\uff0c\u7576\u7136\u66fe Sir \u5f88\u660e\u767d\u300c\u591a\u4e00\u689d\u516c\u5f0f\uff0c\u5c11\u4e00\u500b\u8b80\u8005\u300d\u9019\u500b\u9053\u7406\u3002<\/li>\n<li>\u82e5\u5c0d\u6587\u7ae0\u6709\u7591\u554f\u6216\u6307\u6b63\uff0c\u6b61\u8fce\u5728\u601d\u92d2\u5de5\u4f5c\u5ba4\u7559\u8a00\u3002<\/li>\n<\/ul>\n<p><font color=blue>\u6458\u8981\uff1a<br \/>\n\u611f\u61c9\u96dc\u8a0a\u7684\u6210\u56e0\u5f88\u591a\u800c\u4e14\u5f88\u8907\u96dc\uff0c\u4e0d\u904e\u4f54\u9996\u5169\u4f4d\u7684\u76f8\u4fe1\u662f\uff1a<\/p>\n<ul>\n<li>\u6a5f\u5167\u4f48\u7dda\u6df7\u4e82<\/li>\n<li>\u5c4f\u853d\u7b56\u7565\u4e0d\u826f<\/li>\n<\/ul>\n<p>\u6b64\u5916\uff0c\u4ee5\u4e0b\u7684\u60c5\u6cc1\u6211\u5011\u4e5f\u5f88\u5bb9\u6613\u6703\u9047\u4e0a\uff1a<\/p>\n<ul>\n<li>\u5668\u6750\u88ab\u7f6e\u65bc\u5f37\u70c8\u96fb\u78c1\u5e72\u64fe\u7684\u74b0\u5883\u4e0b<\/li>\n<li>\u6578\u78bc\u566a\u97f3\u6ef2\u9032\u6a21\u64ec\u8a0a\u865f\u5167<\/li>\n<li>\u63a5\u7dda\u4e0d\u7a69\u59a5 \/ \u7dda\u8def\u51fa\u73fe\u51b7\u92b2 \/ \u5047\u92b2\u73fe\u8c61<\/li>\n<\/ul>\n<p>\u5c0d\u7b56\uff1a<br \/>\n\u4e00\u822c\u4f7f\u7528\u8005\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u5c4f\u853d\u826f\u597d\u63a5\u7dda\u3002<\/li>\n<li>\u628a\u63a5\u7dda\u7a69\u7a69\u5730\u63d2\u5728\u63d2\u5ea7\u4e0a\u3002<\/li>\n<li>\u628a\u5668\u6750\u9060\u96e2\u901a\u8a0a\u8a2d\u5099\u6216\u96fb\u8166\u7b49\u80fd\u767c\u51fa\u5f37\u70c8\u96fb\u78c1\u6ce2\u7684\u6771\u897f\u3002<\/li>\n<li>\u4f60\u53ef\u80fd\u4e0d\u76f8\u4fe1 \u2500\u2500 \u96fb\u6e90\u904e\u6ffe\u62d6\u677f\u5728\u9019\u500b\u60c5\u6cc1\u4e0b\u591a\u6578\u4e0d\u80fd\u5e6b\u5230\u4f60\u7684\uff01<\/li>\n<\/ul>\n<p>DIY \u9054\u4eba\u5011\uff1a<\/p>\n<ul>\n<li>\u8a18\u8457\u8a0a\u865f\u5730 \/ \u516c\u5171\u5730 (Signal ground \/ Common ground) \u8207\u5927\u5730 (Earth) \u53ea\u5bb9\u8a31\u55ae\u9ede\u76f8\u63a5 (\u82e5\u9700\u9023\u63a5\u7684\u8a71)\u3002<\/li>\n<li>\u6a5f\u5167\u63a5\u7dda\u5fc5\u9700\u96d9\u7d5e (Twisted) \u6216\u5c4f\u853d (Shielded) \u8655\u7406\u3002<\/li>\n<li>\u4f7f\u7528\u74b0\u725b (\u74b0\u72c0\u8b8a\u58d3\u5668) \u6703\u6709\u4e0d\u932f\u7684\u6548\u679c\u3002<\/li>\n<li>\u7dda\u8def\u677f\u8d70\u7dda\u53ca\u6a5f\u5167\u63a5\u7dda\u5fc5\u9700\u55ae\u9ede\u63a5\u5730 (\u8a0a\u865f\u5730 \/ \u516c\u5171\u5730)\u3002<\/li>\n<li>\u653e\u5927\u5668\u8207\u6578\u78bc\u97f3\u6e90 (\u5982\u8072\u6548\u5361) \u9593\u7684\u9023\u63a5\u53ea\u5bb9\u8a31\u55ae\u9ede\u63a5\u5730\u3002<\/li>\n<\/ul>\n<p><\/font><\/p>\n<p><center><span style=\"text-align:center; font-size:2em;\">\u7b2c\u4e8c\u8b1b \u2500\u2500 \u611f\u61c9\u96dc\u8a0a\u8207\u6a5f\u5167\u4f48\u7dda\u53ca\u5c4f\u853d\u7b56\u7565<\/span><\/center><\/p>\n<table class=\"table_2\" vspace=0 hspace=10 align=left width=\"370px\" height=\"300px\" border=0 padding=0>\n<tr width=\"370px\" border=0 padding=0>\n<td width=\"280px\" border=0 padding=5><img alt=\"\u91d1\u5c6c\u5916\u6bbc\u5c0d\u5916\u4f86\u5e72\u64fe\u6709\u512a\u826f\u7684\u6297\u75ab\u529b\uff0c\u4f46\u8a18\u8457\u5148\u8981\u628a\u5b83\u63a5\u5730\uff01\" width=360 height=270 align=left src=\"http:\/\/workshop.siliconforce.com\/img\/Audio_noise_002.png\" \/><br \/>\n\u91d1\u5c6c\u5916\u6bbc\u5c0d\u5916\u4f86\u5e72\u64fe\u6709\u512a\u826f\u7684\u6297\u75ab\u529b\uff0c\u4f46\u8a18\u8457\u5148\u8981\u628a\u5b83\u63a5\u5730\uff01<\/td>\n<\/tr>\n<\/table>\n<p>\u3000\u3000\u6628\u5929\u63a2\u8a0e\u904e\u4ea4\u6d41\u554d\u8072\u7684\u554f\u984c\uff0c\u76f8\u4fe1\u5df2\u5e6b\u52a9\u8d85\u904e 30% \u670b\u53cb\u67e5\u627e\u51fa\u300c\u96fb\u6d41\u8072\u300d\u7684\u51fa\u8655\uff0c\u4e0d\u904e\uff0c\u73fe\u5728\u5c07\u8981\u8a0e\u8ad6\u7684\u611f\u61c9\u96dc\u8a0a\uff0c\u4e5f\u662f\u4e0d\u5c11\u767c\u71d2\u53cb\u66fe\u7d93\u9762\u5c0d\u904e\u7684\u982d\u75db\u554f\u984c\u3002\u82e5\u4f60\u9047\u4e0a\u8a2d\u8a08\u4e0d\u826f\u7684\u653e\u5927\u5668\uff0c\u76f8\u4fe1\u9019\u7bc7\u6587\u7ae0\u627e\u5230\u5b83\u7684\u8b80\u8005\u4e86\uff0c\u4e00\u90e8\u8a2d\u8a08\u826f\u597d\u7684\u653e\u5927\u5668\uff0c\u662f\u61c9\u8a72\u80fd\u5920\u627f\u53d7\u4e00\u5b9a\u7a0b\u5ea6\u7684\u96fb\u78c1\u5e72\u64fe\u800c\u4e0d\u7522\u751f\u566a\u97f3\u7684\u3002<\/p>\n<p>\u3000\u3000\u6709\u4e00\u500b\u7c21\u55ae(\u4f46\u4e0d\u6e96\u78ba)\u7684\u6e2c\u8a66\u65b9\u6cd5\u53ef\u8b93\u4f60\u7c97\u7565\u5730\u5f97\u77e5\u653e\u5927\u5668\u7684\u9632\u5e72\u64fe\u6027\u80fd\uff0c\u628a\u624b\u63d0\u96fb\u8a71\u63a5\u901a\uff0c\u7e3d\u4e4b\u662f\u5728\u901a\u8a71\u72c0\u614b\u4e0b\uff0c\u628a\u624b\u63d0\u96fb\u8a71\u79fb\u8fd1\u653e\u5927\u5668\uff0c\u82e5\u624b\u63d0\u96fb\u8a71\u5728\u8001\u9060\u7684\u5730\u65b9\u5df2\u958b\u59cb\u5e72\u64fe\u5230\u4f60\u7684\u5668\u6750\uff0c\u90a3\u4f60\u4fbf\u5f97\u82b1\u82b1\u5fc3\u601d\u70ba\u5b83\u597d\u597d\u5730\u5c4f\u853d\u4e00\u4e0b\u3002\u6709\u5c11\u6578\u4f8b\u5b50\uff0c\u566a\u97f3\u7684\u4f86\u6e90\u53ea\u56e0\u70ba\u63a5\u7dda\u4e0d\u7a69\u59a5\uff0c\u751a\u81f3\u63a5\u7dda\u300c\u5167\u50b7\u300d\u5730\u7dda\u65b7\u958b\u4e86 (\u4e0d\u5c11\u5ec9\u50f9\u570b\u7522 RCA \u7dda\u90fd\u5b58\u5728\u9019\u554f\u984c)\uff0c\u6240\u4ee5\u672a\u9032\u884c\u8a73\u7d30\u6aa2\u67e5\u4e4b\u524d\uff0c\u61c9\u5148\u505a\u597d\u9019\u4e9b\u300c\u4f8b\u884c\u516c\u4e8b\u300d\u3002<\/p>\n<p>\u3000\u3000\u4e0a\u9762\u63d0\u5230\u90a3\u4e9b\u5ec9\u50f9\u63a5\u7dda\uff0c\u6709\u5f88\u591a\u5373\u4f7f\u662f\u65b0\u8cb7\u56de\u4f86\uff0c\u5176\u5c4f\u853d\u5de5\u85dd\u90fd\u505a\u5f97\u4e0d\u8db3\uff0c\u5730\u7dda (\u5373\u88f8\u9732\u6c92\u5916\u76ae\u90a3\u4e9b\u9285\u7d72) \u4e26\u672a\u6709\u597d\u597d\u7684\u5305\u8457\u8a0a\u865f\u7dda\uff0c\u6709\u4e9b\u66f4\u56b4\u91cd\u7684\u5c31\u53ea\u5f97\u5169\u4e09\u6839\u982d\u9aee\u7d72\u822c\u9285\u7d72\u6feb\u7afd\u5145\u6578\uff0c\u6240\u4ee5\u8cb7\u63a5\u7dda\u6642\u8981\u7576\u5fc3\u4e00\u9ede\uff0c\u66fe Sir \u7d55\u4e0d\u9f13\u52f5\u52d5\u8f12\u6578\u767e\u751a\u6578\u5343\u5143\u53bb\u8cb7\u4e00\u6839\u63a5\u7dda\uff0c\u4f46\u6578\u5341\u5143\u6e2f\u5e63\uff0c\u8cb7\u4e00\u4e9b\u5916\u89c0\u5e73\u5be6\u9ede\u3001\u4e0d\u592a\u70ab\u7684\u3001\u8001\u724c\u7684\uff0c\u80af\u5b9a\u6bd4\u8d77\u90a3\u4e9b\u8cb4\u4e8c\u3001\u4e09\u5341\u5143\u4f46\u91d1\u5149\u9583\u9583\u7684\u4f86\u5f97\u5be6\u5728\u3002<\/p>\n<p>\u3000\u3000\u73fe\u4ee3\u4eba\u751f\u6d3b\u5df1\u9032\u5165\u4e86\u6578\u78bc\u6642\u4ee3\uff0c\u73fe\u5728\u4e0d\u8ad6\u96fb\u8996\u6216\u97f3\u97ff\uff0c\u90fd\u9003\u4e0d\u96e2\u6578\u78bc\u7684\u9b54\u638c\uff0c\u7576\u7136\u6bcf\u5bb6\u4eba\u90fd\u6709\u81f3\u5c11\u4e00\u526f\u6578\u78bc\u5de5\u5ee0 \u2500\u2500 \u96fb\u8166\u3002\u5f88\u60b2\u5287\u5730\uff0c\u6578\u78bc\u5668\u6750\u6240\u7522\u751f\u7684\u5e72\u64fe\u5f80\u5f80\u90fd\u662f\u50b3\u7d71\u6a21\u64ec\u5668\u6750\u7684\u5929\u6575\uff0c\u5118\u7ba1\u5927\u591a\u6578\u78bc\u7522\u54c1\u90fd\u7b26\u5408 FCC Part 15 \u8a8d\u8b49\uff0c\u4f46\u5927\u5bb6\u5225\u60f3\u6b6a\uff0cFCC \u8a8d\u8b49\u7d55\u4e0d\u662f\u70ba\u97f3\u97ff\u5668\u6750\u800c\u8a2d\uff0c\u6240\u4ee5 FCC \u4e26\u4e0d\u80fd\u5e6b\u5230\u4f60\u3002\u628a\u97f3\u97ff\u5668\u6750\u76e1\u91cf\u9060\u96e2\u96fb\u8166\u53ca\u901a\u8a0a\u5668\u6750\uff0c\u96d6\u7136\u6709\u5c11\u8a31\u65ac\u8173\u8dbe\u907f\u6c99\u87f2\u7684\u611f\u89ba\uff0c\u4f46\u9019\u500b\u662f\u7c21\u55ae\u6709\u6709\u6548\u7684\u65b9\u6cd5\uff0c\u5982\u679c\u771f\u7684\u907f\u4e0d\u4e86\uff0c\u5f80\u5f8c\u65e5\u5b50\u6211\u6703\u63a2\u8a0e HTPC \u8207\u653e\u5927\u5668\u4e4b\u9593\u7684\u9023\u63a5\u554f\u984c\uff0c\u5230\u6642\u6211\u6703\u518d\u8a73\u7d30\u8a0e\u8ad6\u3002(\u5662\uff01\u958b\u4e86\u592a\u591a\u652f\u7968\uff01)<\/p>\n<p>\u3000\u3000\u5176\u5be6\u4e00\u822c\u91d1\u5c6c\u5916\u6bbc\u5c0d\u5916\u4f86\u5e72\u64fe\u5df2\u6709\u826f\u597d\u7684\u62b5\u6297\u529b\uff0c\u7576\u7136\u5982\u679c\u4f60\u7684\u5668\u6750\u662f\u76f4\u63a5\u63a5\u4e0a\u5e02\u96fb\u7684\u8a71\uff0c\u91d1\u5c6c\u5916\u6bbc\u5fc5\u9808\u9023\u63a5\u5927\u5730 (Earth)\uff0c\u6709\u5f88\u591a DIY \u9054\u4eba\u70ba\u4e86\u907f\u514d gound loop \u7684\u554f\u984c\u800c\u4e0d\u628a\u5916\u6bbc\u63a5\u4e0a\u5927\u5730\uff0c\u9019\u6a23\u505a\u5be6\u5728\u4e0d\u59a5\uff0c\u56e0\u70ba\u4efb\u4f55\u60c5\u6cc1\u4e4b\u4e0b\uff0c\u5b89\u5168\u7b2c\u4e00\uff01\u800c\u8a0a\u865f\u5730 \/ \u516c\u5171\u5730 (Signal ground \/ Common ground) \u53ef\u4ee5\u4e0d\u63a5\u4e0a\u5916\u6bbc\u55ce\uff1f\u5728\u8a2d\u8a08\u512a\u826f\u7684\u60c5\u6cc1\u4e0b\uff0c\u9019\u7684\u78ba\u53ef\u4ee5\u505a\u5230\u800c\u53c8\u4e0d\u88ab\u5916\u4f86\u96dc\u8a0a\u5e72\u64fe\u7684\uff0c\u4f46\u9019\u9700\u8981\u5f88\u9ad8\u6c34\u5e73\u7684\u8a2d\u8a08\u6280\u5de7\uff0c\u6240\u4ee5\u4e0d\u5c11 DIYers \u90fd\u50be\u5411\u628a Signal ground \u63a5\u4e0a\u6a5f\u6bbc\uff1b\u53e6\u4e00\u65b9\u9762\u6709\u4e00\u9ede\u4e0d\u80fd\u4e0d\u63d0\u7684\uff0c\u8f38\u5165\u7aef\u5b50\u7684\u5916\u6bbc\u5343\u842c\u4e0d\u8981\u63a5\u4e0a\u5916\u6bbc\uff0c\u9019\u6703\u70ba\u4f60\u5e36\u4f86\u66f4\u591a\u982d\u75db\u7684\u554f\u984c\uff01<\/p>\n<p>\u3000\u3000\u6b64\u5916\uff0c\u97f3\u91cf\u63a7\u5236\u7684\u5916\u6bbc\u90fd\u61c9\u8a72\u597d\u597d\u7684\u63a5\u5730\uff0c\u56e0\u70ba\u97f3\u91cf\u63a7\u5236\u5668\u5f80\u5f80\u662f\u4eba\u9ad4\u62fe\u6ce2\u96dc\u8a0a (Body pick-up) \u7684\u5c08\u7528\u901a\u9053\uff01\u6240\u8b02\u4eba\u9ad4\u62fe\u6ce2\u96dc\u8a0a\uff0c\u662f\u4eba\u9ad4\u5728\u5ba4\u5167\u5145\u6eff\u5e02\u96fb (50Hz) \u7684\u96fb\u78c1\u5834\u4e0b\uff0c\u4ee4\u4eba\u9ad4\u611f\u61c9\u5230\u5fae\u5f31\u7684 50Hz \u96fb\u6d41\uff0c\u7531\u65bc\u653e\u5927\u5668\u7684\u8f38\u5165\u6297\u963b\u5f88\u9ad8\uff0c\u52d5\u8f12\u6578\u5341 k\u03a9\uff0c\u751a\u81f3\u904e\u767e k\u03a9\uff0c\u6240\u4ee5\u5373\u4f7f\u8eab\u9ad4\u4e0a\u62fe\u5230\u7684\u96fb\u6d41\u5f88\u5fae\u5f31\uff0c\u4e5f\u5f88\u5bb9\u6613\u628a\u96dc\u8a0a\u653e\u5927\u3002\u5927\u5bb6\u53ef\u4ee5\u5373\u6642\u505a\u4e00\u500b\u5be6\u9a57\uff1a\u628a\u624b\u6307\u62c8\u8457\u653e\u5927\u5668\u8f38\u5165\u7aef (\u5225\u89f8\u53ca\u5730\u7aef\uff0c\u5373\u662f RCA \u7dda\u4e2d\u9593\u7a81\u51fa\u7684\u90e8\u4efd\uff0c\u4e0d\u8981\u89f8\u53ca\u5916\u570d)\uff0c\u653e\u5927\u5668\u81ea\u6703\u8f5f\u8f5f\u4f5c\u97ff\uff0c\u5f88\u591a\u4eba\u4ee5\u70ba\u9019\u662f\u975c\u96fb\uff0c\u9019\u986f\u7136\u662f\u8aa4\u89e3\uff01<\/p>\n<p>\u3000\u3000\u4f5c\u70ba DIY \u9054\u4eba\uff0c\u7576\u7136\u6703\u6bd4\u4e00\u822c\u4eba\u6709\u66f4\u591a\u7684\u677f\u65a7\uff0c\u540c\u6642\u4e5f\u80fd\u66f4\u5fb9\u5e95\u5730\u89e3\u6c7a\u611f\u61c9\u96dc\u8a0a\u7684\u554f\u984c\u3002\u9996\u5148 DIY \u4e00\u5ea7\u653e\u5927\u5668\u6642\uff0c\u74b0\u5f62\u8b8a\u58d3\u5668\u5e7e\u4e4e\u662f\u5927\u5bb6\u7684\u5fc5\u7136\u9078\u64c7\uff0c\u74b0\u5f62\u8b8a\u58d3\u5668\u5c0d\u74b0\u5883\u5e72\u64fe\u662f\u773e\u591a\u8b8a\u58d3\u5668\u4e2d\u6700\u5c11\u7684\uff0c\u4ee4\u6a5f\u5167\u7684\u4f48\u7dda\u751a\u81f3\u96f6\u4ef6\u7684\u4f48\u5c40\u90fd\u8b8a\u5f97\u76f8\u5c0d\u7c21\u55ae\uff0c\u9019\u5c0d\u65bc\u4e00\u822c\u696d\u9918\u7684 DIY \u4eba\u58eb\u5c24\u5176\u91cd\u8981\u3002<\/p>\n<p>\u3000\u3000\u6240\u6709\u8a0a\u865f\u7dda\u90fd\u5fc5\u9808\u5c4f\u853d\u6216\u4f5c\u96d9\u7d5e\u8655\u7406\uff0c\u96d9\u7d5e\u7dda\u53ef\u6e1b\u4f4e\u5916\u4f86\u5e72\u64fe\u7684\u540c\u6642\uff0c\u4e5f\u6e1b\u4f4e\u4e86\u7dda\u5167\u8a0a\u865f\u5c0d\u5916\u7684\u5e72\u64fe\u3002\u8001\u5be6\u8aaa\uff0c\u4ee5\u66fe Sir \u7684\u7d93\u9a57\uff0c\u628a\u8a0a\u865f\u7dda\u96d9\u7d5e\u5df2\u7d93\u53ef\u4ee5\u61c9\u4ed8\u5927\u90e8\u4efd\u7684\u60c5\u6cc1\uff0c\u9664\u975e\u74b0\u5883\u771f\u7684\u5f88\u60e1\u52a3\uff0c\u5426\u5247\u7528\u5230\u5c4f\u853d\u7dda\u7684\u6a5f\u6703\u4e0d\u591a\uff0c\u53e6\u5916\uff0c\u66fe Sir \u5efa\u8b70\u4e00\u4e9b\u65b0\u624b DIYers \u5148\u7528\u9285\u7dda\uff0c\u5f85\u6280\u8853\u6709\u6240\u9032\u6b65\u624d\u8003\u616e\u9280\u7dda\uff0c\u800c\u4e14\u4e5f\u4e0d\u7528\u592a\u7c97\u7684\u6a5f\u5167\u63a5\u7dda\uff0c\u9019\u53ea\u6703\u589e\u52a0\u96e3\u5ea6\u5f9e\u800c\u63d0\u5347\u4e86\u51fa\u5c94\u5b50\u7684\u53ef\u80fd\uff01<\/p>\n<p>\u3000\u3000\u6b64\u5916\uff0c\u5c4f\u853d\u7dda\uff0c\u5c24\u5176\u662f\u7c97\u7684\u5c4f\u853d\u7dda\uff0c\u662f\u5f88\u96e3\u8b93\u4f60\u64fa\u5f97\u5b83\u8cbc\u8cbc\u670d\u670d\u7684\uff0c\u6211\u770b\u904e\u5f88\u591a DIYers \u7684\u5668\u6750\uff0c\u5165\u9762\u6709\u5f88\u591a\u7c97\u5f97\u4e0d\u6210\u6bd4\u4f8b\u7684\u8a0a\u865f\u7dda\uff0c\u4f46\u7919\u65bc\u7a7a\u9593\u554f\u984c\u53ea\u80fd\u8b93\u5b83\u5011\u5230\u8655\u4e82\u7ac4\uff0c\u7d50\u679c\u7576\u7136\u6703\u5f04\u5de7\u53cd\u62d9\uff0c\u56e0\u70ba\u6a5f\u5167\u6709\u597d\u4e00\u4e9b\u5730\u65b9\u90fd\u662f\u8a0a\u865f\u7dda\u7684\u7981\u5730\uff0c\u4f8b\u5982\u96fb\u6e90\u9644\u8fd1\uff0c\u6216\u8f38\u51fa\u7ba1\u4e00\u5e36\u7684\u5730\u65b9\uff0c\u90fd\u4e0d\u61c9\u8b93\u8a0a\u865f\u7dda\u64c5\u95d6\u3002<\/p>\n<p>\u3000\u3000\u6700\u5f8c\u6709\u95dc\u55ae\u9ede\u63a5\u5730\u53ca\u7dda\u8def\u677f\u8d70\u7dda\u7b49\u554f\u984c\uff0c\u6211\u653e\u5728\u4e0b\u4e00\u6bb5\u300c\u539f\u7406\u300d\u5167\uff0c\u56e0\u70ba\u6bd4\u8f03\u6280\u8853\u6027&#8230;&#8230;<\/p>\n<p><font color=\"#008000\">\u539f\u7406\uff1a<br \/>\n\u3000\u3000\u4f5c\u70ba\u4e00\u4f4d DIY \u9054\u4eba\uff0c\u90fd\u77e5\u9053\u74b0\u5f62\u8b8a\u58d3\u5668\u7684\u6210\u672c\u6bd4 C-core \u6216 EI-core \u90fd\u8981\u8cb4\uff0c\u539f\u56e0\u662f\u74b0\u5f62\u8b8a\u58d3\u5668\u7684\u88fd\u4f5c\u5de5\u5e8f\u65e2\u7e41\u4e14\u96e3\uff0c\u4f46\u74b0\u5f62\u8b8a\u58d3\u5668\u7684\u9435\u82af\u662f\u4e00\u9ad4\u5316\u7684\uff0c\u7576\u4e2d\u6c92\u6709\u7f45\u9699\uff0c\u6240\u4ee5\u5176\u78c1\u963b\u4f4e\u3001\u6548\u7387\u9ad8\u3001\u9ad4\u7a4d\u5c0f\u3001\u78c1\u6f0f\u5c11\uff0c\u78c1\u6f0f\u5c11\u5f88\u91cd\u8981\uff0c\u56e0\u70ba\u8b8a\u58d3\u5668\u6f0f\u51fa\u4f86\u7684\u78c1\u5834\u5f80\u5f80\u6703\u95d6\u9032\u653e\u5927\u5668\u7684\u7dda\u8def\u88cf\uff0c\u5f62\u6210\u985e\u4f3c\u4ea4\u6d41\u554d\u8072\u7684\u566a\u97f3\uff01\u7531\u65bc\u74b0\u5f62\u8b8a\u58d3\u5668\u7684\u78c1\u82af\u88ab\u7dda\u5708\u5b8c\u5168\u5305\u570d\u8457\uff0c\u6240\u4ee5\u5176\u78c1\u6f0f\u5c11\u5f97\u5e7e\u4e4e\u53ef\u4ee5\u5ffd\u7565\uff0c\u6240\u4ee5\u74b0\u5f62\u8b8a\u58d3\u5668\u7684\u5c4f\u853d\u7f69\u5b50\u53ef\u8aaa\u662f\u53ef\u6709\u53ef\u7121\uff0c\u5927\u90e8\u4efd\u60c5\u6cc1\u4e0b\uff0c\u53ea\u662f\u9326\u4e0a\u6dfb\u82b1\u800c\u5df2\uff01<\/p>\n<p>\u3000\u3000\u4e0d\u904e\u7531\u65bc\u74b0\u5f62\u8b8a\u58d3\u5668\u7684\u88fd\u4f5c\u6bd4\u8f03\u56f0\u96e3\uff0c\u6240\u4ee5\u5e02\u9762\u4e0a\u4ea6\u540c\u6642\u5145\u65a5\u8457\u5927\u91cf\u4e0d\u53ca\u683c\u7684\u74b0\u5f62\u8b8a\u58d3\u5668\uff0c\u6700\u666e\u904d\u7684\u60c5\u6cc1\u7576\u7136\u662f\u8b8a\u58d3\u5668\u9020\u7684\u4e0d\u7a69\u56fa\uff0c\u64cd\u4f5c\u6642\u7522\u751f\u632f\u52d5\uff0c\u4ee4\u8b8a\u58d3\u5668\u55e1\u55e1\u4f5c\u97ff\uff0c\u66fe Sir \u8cfc\u8cb7\u74b0\u5f62\u8b8a\u58d3\u5668\u6642\uff0c\u5f80\u5f80\u90fd\u662f\u76f8\u4fe1\u4e00\u4e9b\u8001\u724c\u5ee0\u5bb6\uff0c\u96d6\u5247\u570b\u7522\u7684\u6709\u5f88\u591a\u8f03\u5e73\u50f9\u7684\u9078\u64c7\uff0c\u4f46\u570b\u7522\u7684\u54c1\u8cea\u7d20\u5f80\u5f80\u826f\u83a0\u4e0d\u9f4a\uff0c\u66fe Sir \u4e0d\u592a\u9858\u610f\u7576\u767d\u8001\u9f20\uff0c\u800c\u4e14\u4ed6\u5011\u7684 QC \u4ea6\u4e0d\u56b4\u8b39 (\u7c21\u76f4\u662f\u5152\u5b09)\uff0c\u5373\u4f7f\u9019\u4e00\u6b21\u4f60\u8cb7\u5230\u4e86\u597d\u6771\u897f\uff0c\u4f46\u4e0b\u4e00\u6b21\u5c31\u7b97\u8cb7\u56de\u540c\u4e00\u500b\u578b\u865f\uff0c\u4e5f\u53ef\u80fd\u6703\u6709\u5929\u6df5\u4e4b\u5225\uff01<\/p>\n<p>\u3000\u3000\u70ba\u4f55\u8981\u628a\u6a5f\u5167\u63a5\u7dda\u4f5c\u96d9\u7d5e\u8655\u7406\uff1f\u5927\u5bb6\u90fd\u77e5\u9053\uff0c\u653e\u5927\u5668\u53ea\u6703\u5c0d\u8f38\u5165\u7aef\u5c0d\u5730\u7aef\u7684\u5dee\u5206\u8a0a\u865f (Differential signal) \u653e\u5927\uff0c\u800c\u5c0d\u5171\u6a21\u8a0a\u865f (Common mode signal) \u6709\u8457\u5929\u7136\u7684\u62b5\u6297\u529b\uff0c\u751a\u9ebc\u662f\u5171\u6a21\u8a0a\u865f\uff1f\u7c21\u55ae\u5730\u8aaa\uff0c\u5c31\u662f\u540c\u6642\u5b58\u5728\u65bc\u5730\u7aef\u8207\u8f38\u5165\u7aef\u7684\u8a0a\u865f\uff0c\u5728\u7406\u60f3\u7684\u60c5\u6cc1\u4e0b\uff0c\u4efb\u4f55\u4f4d\u7f6e\u7684\u5730\u7aef\u90fd\u61c9\u70ba 0V\uff0c\u4f46\u4e16\u4e8b\u90a3\u6709\u9019\u9ebc\u7406\u60f3\uff0c\u7d93\u904e\u6f2b\u9577\u7684\u63a5\u7dda\u5f8c\uff0c\u5916\u4f86\u7684\u5e72\u64fe\u5f80\u5f80\u5c31\u6b64\u6e9c\u4e86\u9032\u4f86\uff0c\u5730\u7aef\u4e5f\u7121\u53ef\u907f\u514d\u5730\u6703\u51fa\u73fe\u96dc\u8a0a\uff0c\u96d9\u7d5e\u7dda\u8b93\u8a0a\u865f\u7aef\u8207\u5730\u7aef\u5171\u540c\u9032\u9000\uff0c\u540c\u6642\u9593\u63a5\u53d7\u76f8\u540c\u7684\u5e72\u64fe\u96dc\u8a0a\uff0c\u7136\u5f8c\u653e\u5927\u5668\u81ea\u7136\u6703\u4f7f\u51fa\u5b83\u5c0d\u5171\u6a21\u8a0a\u865f\u7684\u6297\u75ab\u672c\u80fd\uff0c\u628a\u96dc\u8a0a\u6280\u8853\u6027\u64ca\u5012\uff01\u4f46\u5f88\u53ef\u60dc\uff0c\u7531\u65bc\u5730\u7aef\u8207\u8a0a\u865f\u7aef\u7684\u6297\u963b\u4e26\u4e0d\u4e00\u6a23\uff0c\u6240\u4ee5\u5c0d\u55ae\u7aef\u8f38\u5165\u7684\u653e\u5927\u5668\u4f86\u8aaa\uff0c\u9019\u500b\u65b9\u6cd5\u4e26\u4e0d\u5fb9\u5e95\u3002<\/p>\n<p>\u3000\u3000\u82e5\u8ad6\u5c0d\u5171\u6a21\u8a0a\u865f\u7684\u6297\u75ab\u529b\uff0c\u4e00\u822c\u55ae\u7aef\u8f38\u5165\u7684\u653e\u5927\u5668\u7d55\u5c0d\u4e0d\u662f\u5e73\u8861\u8f38\u5165\u653e\u5927\u5668\u7684\u5c0d\u624b\uff0c\u5e73\u8861\u8f38\u5165\u653e\u5927\u5668\u5229\u7528\u5169\u7d44\u8f38\u5165\u8a0a\u865f\uff0c\u800c\u5169\u7d44\u8a0a\u865f\u662f\u4e00\u6a21\u4e00\u6a23\u7684\u4f46\u76f8\u4f4d\u6070\u6070\u76f8\u53cd\uff0c\u63db\u53e5\u8a71\u8aaa\uff0c\u4e00\u500b\u662f\u6b63\u8a0a\u865f\uff0c\u4e00\u500b\u662f\u8ca0\u8a0a\u865f\uff0c\u800c\u4e14\u5169\u500b\u865f\u7aef\u7684\u6297\u963b\u76f8\u7b49\uff0c\u5c0d\u5171\u6a21\u8a0a\u865f\u7684\u6297\u75ab\u529b\u8fd1\u4e4e\u5b8c\u7f8e\uff01\u5e73\u8861\u653e\u5927\u5668\u4e0d\u55ae\u5728\u5c0d\u6297\u8a0a\u865f\u5e72\u64fe\u65b9\u9762\u6709\u8457\u512a\u7570\u7684\u6027\u80fd\uff0c\u800c\u4e14\u5c0d\u6297\u8ff4\u5708\u63a5\u5730\u4e5f\u6709\u4e00\u624b\uff0c\u53ea\u53ef\u60dc\u63d0\u4f9b\u5e73\u8861\u8a0a\u865f\u8f38\u51fa\u7684\u5668\u6750\u90fd\u662f\u50f9\u503c\u4e0d\u83f2\u7684\u9ad8\u7d1a\u5668\u6750\uff0c\u4ee5\u81f4\u4e00\u822c\u4eba\u90fd\u5f88\u5c11\u80fd\u4eab\u7528\u5230\u5e73\u8861\u653e\u5927\u5668\u7684\u512a\u7570\u6027\u80fd\uff01<\/p>\n<p><P>\u3000\u3000\u5f88\u591a DIY \u9054\u4eba\u8a2d\u8a08\u6216\u88fd\u4f5c\u7dda\u8def\u677f\u6642\uff0c\u751a\u6216\u5728\u4f7f\u7528\u842c\u7528\u677f\u6642\uff0c\u90fd\u5ffd\u7565\u4e86\u4f48\u7dda\u7684\u91cd\u8981\u6027\uff0c\u7576\u7136\uff0c\u4f48\u7dda\u7684\u7b2c\u4e00\u79d8\u8a23\u662f\u300c\u77ed\u300d\uff0c\u76f8\u4fe1\u9019\u500b\u4e0d\u7528\u6211\u591a\u89e3\u91cb\uff0c\u800c\u7b2c\u4e8c\u79d8\u8a23\uff0c\u5c31\u662f\u661f\u5f62\u63a5\u5730\uff0c\u8981\u89e3\u91cb\u55ae\u9ede\u63a5\u5730\u6216\u661f\u5f62\u63a5\u5730\u7684\u539f\u7406\uff0c\u5be6\u5728\u4e0d\u662f\u4e00\u767e\u5e7e\u5341\u5b57\u53ef\u4ee5\u505a\u5230\uff0c\u4f46\u66fe Sir \u5373\u7ba1\u6975\u7c21\u55ae\u5730\u6253\u500b\u6bd4\u55bb\uff0c\u4e00\u500b\u5b8c\u6574\u7684\u8a0a\u865f\u8def\u5f91\u5fc5\u5b9a\u4ee5\u5730\u7aef\u70ba\u7d42\u7ad9\uff0c\u6211\u5011\u53ef\u4ee5\u60f3\u50cf\u70ba\u6cb3\u6c34\u6700\u5f8c\u6d41\u51fa\u5927\u6d77\uff0c\u5982\u679c\u6bcf\u689d\u6cb3\u90fd\u7368\u81ea\u6d41\u5165\u5927\u6d77\uff0c\u6bcf\u689d\u6cb3\u90fd\u53ef\u4ee5\u4e92\u4e0d\u76f8\u5e72\uff0c\u6b63\u6b63\u662f\u6cb3\u6c34\u4e0d\u72af\u4e95\u6c34\uff0c\u4f46\u5982\u679c\u5c0f\u6cb3\u6ed9\u805a\u6210\u5927\u6cb3\u518d\u6d41\u5165\u6d77\uff0c\u5c0f\u6cb3\u53ef\u80fd\u6703\u56e0\u70ba\u9694\u9130\u7684\u5c0f\u6cb3\u6c3e\u6feb\u800c\u906d\u6b83\uff1b\u800c\u661f\u5f62\u63a5\u5730\u5c31\u662f\u78ba\u4fdd\u6bcf\u4e00\u500b\u8a0a\u865f\u4e0d\u53d7\u5e72\u64fe\uff0c\u5e73\u5e73\u5b89\u5b89\u7684\u6d41\u9032\u5730\u7aef\u3002\u5920\u6e05\u695a\u4e86\u7f77\uff01<\/P><br \/>\n<\/font><br \/>\n\u5c0f\u7d50\uff1a<\/p>\n<p>\u3000\u3000\u5176\u5be6\u7269\u7406\u5b78\u7684\u4e16\u754c\u662f\u7528\u6578\u5b78\u4f86\u89e3\u6c7a\u554f\u984c\u7684\uff0c\u4ee5\u4e0a\u6240\u8aaa\u7684\u6771\u897f\u5176\u5be6\u5305\u542b\u4e86\u4e0d\u5c11\u7b97\u5f0f\u5728\u5167\uff0c\u90fd\u88ab\u66fe Sir \u4e00\u4e00\u7565\u904e\uff01\u4e0d\u904e\uff0c\u5373\u4f7f\u7565\u53bb\u7b97\u5f0f\uff0c\u5927\u5bb6\u90fd\u61c9\u8a72\u7406\u89e3\u4e00\u4e0b\u97f3\u97ff\u7684\u539f\u7406\uff0c\u66fe Sir \u76f8\u4fe1\u51e1\u4e8b\u5fc5\u6709\u56e0\uff0c\u5145\u5be6\u81ea\u5df1\u7684\u77e5\u8b58\uff0c\u4ee5\u79d1\u5b78\u982d\u8166\u4f86\u5c0d\u5f85\u7591\u554f\uff0c\u624d\u6703\u8b93\u4eba\u5c0d\u97f3\u97ff\u767c\u71d2\u53cb\u7d66\u4e88\u5e7e\u5206\u9762\u5b50\uff0c\u5426\u5247\u6211\u5011\u53ea\u6703\u505c\u7559\u5728\u4eba\u5011\u773c\u4e2d\u4e00\u7fa4\u53c8\u8ff7\u4fe1\u53c8\u4eba\u4e91\u4ea6\u4e91\u7684\u760b\u5b50\u800c\u5df2\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u25cf\u3000\u4f60\u53ef\u80fd\u4e0d\u76f8\u4fe1 \u2500\u2500 \u96fb\u6e90\u904e\u6ffe\u62d6\u677f\u5728\u9019\u500b\u60c5\u6cc1\u4e0b\u591a\u6578\u4e0d\u80fd\u5e6b\u5230\u4f60\u7684\uff01<br \/>\n\u25cf\u3000\u5927\u5bb6\u53ef\u4ee5\u5373\u6642\u505a\u4e00\u500b\u5be6\u9a57\uff1a\u628a\u624b\u6307\u62c8\u8457\u653e\u5927\u5668\u8f38\u5165\u7aef\uff0c\u653e\u5927\u5668\u81ea\u6703\u8f5f\u8f5f\u4f5c\u97ff\uff0c\u5f88\u591a\u4eba\u4ee5\u70ba\u9019\u662f\u975c\u96fb\uff0c\u9019\u986f\u7136\u662f\u8aa4\u89e3\uff01&#8230;&#8230;<\/p>\n","protected":false},"author":1,"featured_media":95,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[22],"tags":[29,27,25,36,28,31],"_links":{"self":[{"href":"https:\/\/workshop.siliconforce.com\/index.php?rest_route=\/wp\/v2\/posts\/94"}],"collection":[{"href":"https:\/\/workshop.siliconforce.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/workshop.siliconforce.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/workshop.siliconforce.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/workshop.siliconforce.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=94"}],"version-history":[{"count":17,"href":"https:\/\/workshop.siliconforce.com\/index.php?rest_route=\/wp\/v2\/posts\/94\/revisions"}],"predecessor-version":[{"id":265,"href":"https:\/\/workshop.siliconforce.com\/index.php?rest_route=\/wp\/v2\/posts\/94\/revisions\/265"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/workshop.siliconforce.com\/index.php?rest_route=\/wp\/v2\/media\/95"}],"wp:attachment":[{"href":"https:\/\/workshop.siliconforce.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=94"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/workshop.siliconforce.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=94"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/workshop.siliconforce.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=94"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}