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\n
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\n
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\"DC\/DC\u8f6c\u6362\u5668\u7684\u53cd\u9988\u8def\u5f84\u793a\u610f\u56fe\"<\/div>\n<\/div>\n
\n
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\"\u8d1f\u53cd\u9988\u76f8\u4f4d\u6ede\u540e\u7684\u8bf4\u660e\u56fe\"<\/div>\n<\/div>\n

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\u57fa\u672c\u4e0a\u662f\u7684\u3002\u521a\u521a\u6211\u53ea\u63d0\u5230\u4e86\u201c\u76f8\u4f4d\u6ede\u540e<\/strong>\u201d\uff0c\u4f46\u5b9e\u9645\u4e0a\uff0c\u7a33\u5b9a\u6027\u662f\u53ef\u4ee5\u901a\u8fc7\u57fa\u4e8e\u76f8\u4f4d\u7279\u6027\u548c\u589e\u76ca\u7279\u6027\u7684\u201c\u6ce2\u7279\u56fe<\/strong>\u201d\u6765\u9274\u522b\u7684\u3002<\/p>\n

\u8bf4\u5230\u6ce2\u7279\u56fe\uff0c\u4e5f\u5c31\u662f\u8bf4\u9891\u7387\u7279\u6027\u4e0eDC\/DC\u8f6c\u6362\u5668\u7684\u7a33\u5b9a\u6027\u548c\u54cd\u5e94\u6027\u80fd\u662f\u606f\u606f\u76f8\u5173\u7684\uff0c\u5bf9\u5427\uff1f<\/p>\n

\u662f\u7684\u3002\u63a5\u4e0b\u6765\u6211\u6765\u5177\u4f53\u89e3\u91ca\u4e00\u4e0b\u7a33\u5b9a\u6027\u3001\u54cd\u5e94\u6027\u548c\u9891\u7387\u7279\u6027\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u6211\u4eec\u8fb9\u6574\u7406\u4e4b\u524d\u63d0\u5230\u7684\u5185\u5bb9\u8fb9\u8fdb\u884c\u89e3\u91ca\u8bf4\u660e\u3002<\/p>\n

\u7a33\u5b9a\u6027\u662f\u201c\u8f93\u51fa\u7535\u538b\u76f8\u5bf9\u4e8e\u632f\u8361\u6761\u4ef6\u5177\u6709\u591a\u5c11\u4f59\u91cf\u201d\uff0c\u54cd\u5e94\u6027\u662f\u201c\u5f53\u8f93\u51fa\u7535\u538b\u6ce2\u52a8\u65f6\uff0c\u76f4\u5230\u8f93\u51fa\u7535\u538b\u6062\u590d\u5230\u8bbe\u5b9a\u503c\u65f6\u7684\u54cd\u5e94\u65f6\u95f4\u201d\u3002\u76f8\u4f4d\u88d5\u5ea6\u3001\u589e\u76ca\uff08Gain\uff09\u88d5\u5ea6\u3001<\/strong>\u7a7f\u8d8a\u9891\u7387<\/strong>\u662f<\/em>\u7528\u4f5c\u786e\u8ba4\u8fd9\u4e9b\u7279\u6027\u7684\u53c2\u6570\u3002\u8fd9\u4e9b\u53c2\u6570\u53ef\u4ee5\u4ece\u5176DC\/DC\u8f6c\u6362\u5668\u7684\u6ce2\u7279\u56fe\u4e2d\u8bfb\u53d6\u3002\u770b\u4e0b\u9762\u8fd9\u5f20\u56fe\uff0c\u56fe\u4e2d\u5305\u62ec\u6ce2\u7279\u56fe\u548c\u5404\u4e2a\u53c2\u6570\u3001\u4ee5\u53ca\u7a33\u5b9a\u6027\u548c\u54cd\u5e94\u6027\u4e4b\u95f4\u5173\u7cfb\u3002<\/p>\n

\"\u8868\u793aDC\/DC\u8f6c\u6362\u5668\u9891\u7387\u7279\u6027\u7684\u4f2f\u5fb7\u56fe\u548c\u786e\u8ba4\u70b9\"<\/p>\n

\u9996\u5148\uff0c\u6211\u5728\u8868\u683c\u4e2d\u603b\u7ed3\u4e86\u5404\u4e2a\u53c2\u6570\u7684\u6d4b\u91cf\u70b9\u3001\u7a33\u5b9a\u6027\u548c\u54cd\u5e94\u6027\u4e4b\u95f4\u7684\u5173\u7cfb\u3001\u4ee5\u53ca\u6570\u503c\u548c\u7279\u6027\u7684\u8d8b\u52bf\uff0c\u6211\u4eec\u6839\u636e\u8fd9\u4efd\u8868\u683c\u6765\u770b\u6ce2\u7279\u56fe\u3002<\/p>\n

\n\n\n\n\n\n
\u76f8\u4f4d\u88d5\u5ea6<\/th>\n\u589e\u76ca\u4e3a0dB\u65f6\u7684\u76f8\u4f4d<\/td>\n\u5173\u7cfb\u5230\u7a33\u5b9a\u6027<\/td>\n\u8d8a\u5927\u8d8a\u7a33\u5b9a<\/td>\n<\/tr>\n
\u589e\u76ca\u88d5\u5ea6<\/th>\n\u76f8\u4f4d\u4e3a0deg\uff08\u5ea6\uff09\u65f6\u7684\u589e\u76ca<\/td>\n\u5173\u7cfb\u5230\u7a33\u5b9a\u6027<\/td>\n\u8d8a\u5927\u8d8a\u7a33\u5b9a<\/td>\n<\/tr>\n
\u7a7f\u8d8a\u9891\u7387<\/th>\n\u589e\u76ca\u4e3a0db\u65f6\u7684\u9891\u7387<\/td>\n\u5173\u7cfb\u5230\u54cd\u5e94\u6027<\/td>\n\u8d8a\u9ad8\u54cd\u5e94\u8d8a\u5feb<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\u5982\u8868\u683c\u548c\u56fe\u7247\u4e2d\u7684\u84dd\u8272\u3001\u7ea2\u8272\u548c\u7eff\u8272\u6846\u5185\u7684\u8bf4\u660e\u6240\u793a\uff0c\u76f8\u4f4d\u88d5\u5ea6\u662f\u589e\u76ca\u4e3a0db\u65f6\u7684\u76f8\u4f4d\uff0c\u589e\u76ca\u88d5\u5ea6\u662f\u76f8\u4f4d\u4e3a0deg\uff08\u5ea6\uff09\u65f6\u7684\u589e\u76ca\uff0c\u7a7f\u8d8a\u9891\u7387\u662f\u589e\u76ca\u4e3a0db\u65f6\u7684\u9891\u7387\u3002<\/p>\n

\u76f8\u4f4d\u88d5\u5ea6\u548c\u589e\u76ca\u88d5\u5ea6\u4e0e\u7a33\u5b9a\u6027\u606f\u606f\u76f8\u5173\uff0c\u5e76\u4e14\u5b83\u4eec\u8d8a\u5927\uff0c\u7a33\u5b9a\u6027\u8d8a\u9ad8\uff0c\u53d1\u751f\u632f\u94c3\u6216\u632f\u8361\u7684\u53ef\u80fd\u6027\u5c31\u8d8a\u5c0f\u3002\u53e6\u5916\uff0c\u7a7f\u8d8a\u9891\u7387\u4e0e\u54cd\u5e94\u6027\u606f\u606f\u76f8\u5173\uff0c\u7a7f\u8d8a\u9891\u7387\u8d8a\u9ad8\uff0c\u54cd\u5e94\u6027\u8d8a\u597d\uff0c\u5e76\u4e14\u7531\u4e8e\u8d1f\u8f7d\u77ac\u6001\u800c\u5bfc\u81f4\u7684\u8f93\u51fa\u6ce2\u52a8\u8d8a\u5c0f\u3002<\/p>\n

\u5728\u8fd9\u5f20\u6ce2\u7279\u56fe\u4e0a\uff0c\u7ed8\u6709\u8868\u793a\u76f8\u4f4d\u7279\u6027\u7684\u66f2\u7ebf\uff08\u84dd\u8272\uff09\u548c\u8868\u793a\u4e09\u79cd\u7c7b\u578b\u7684\u589e\u76ca\u7279\u6027\u7684\u66f2\u7ebf\uff08\u589e\u76ca1\uff1a\u7ea2\u8272\uff0c\u589e\u76ca2\uff1a\u7c89\u7ea2\u8272\uff0c\u589e\u76ca3\uff1a\u6a59\u8272\uff09\u3002<\/p>\n

\u589e\u76ca1\u662f\u6807\u51c6\u793a\u4f8b\u3002\u589e\u76ca1\u4e3a0dB\u65f6\u7684\u9891\u7387\uff0c\u5373\u7a7f\u8d8a\u9891\u7387\u7ea6\u4e3a85kHz\uff08\u7eff\u8272\u5706\u70b9\uff09\uff0c\u6b64\u65f6\u7684\u76f8\u4f4d\u88d5\u5ea6\u7ea6\u4e3a55deg\uff08\u6d45\u84dd\u8272\u5706\u70b9\/\u84dd\u8272\u53cc\u5411\u7bad\u5934\u2460\uff09\u3002\u5f53\u76f8\u4f4d\u4e3a0deg\u65f6\uff0c\u589e\u76ca\u88d5\u5ea6\u7ea6\u4e3a15dB\uff08\u7ea2\u8272\u5706\u70b9\uff09\u3002\u56fe\u4e2d\u7684\u8bf4\u660e\u4e2d\u7ed9\u51fa\u4e86\u6bcf\u4e2a\u53c2\u6570\u7684\u53c2\u8003\u503c\uff0c\u53ef\u4ee5\u4f5c\u4e3a\u53c2\u8003\u3002<\/p>\n

\u589e\u76ca2\u662f\u5047\u8bbe\u589e\u76ca\u8f83\u4f4e\u65f6\u7684\u793a\u4f8b\u3002\u7531\u4e8e\u589e\u76ca\u4f4e\u4e8e\u589e\u76ca1\uff0c\u56e0\u6b64\u7a7f\u8d8a\u9891\u7387\u964d\u4f4e\u81f3\u5927\u7ea69kHz\uff0c\u5e76\u4e14\u76f8\u4f4d\u88d5\u5ea6\u8d85\u8fc7\u4e86100deg\uff08\u84dd\u8272\u53cc\u5411\u7bad\u5934\u2461\uff09\u3002\u589e\u76ca\u88d5\u5ea6\uff08\u589e\u76ca2\u66f2\u7ebf\u4e0a\u7684\u7ea2\u8272\u6b63\u65b9\u5f62\u70b9\uff09\u4e5f\u8fbe\u523030dB\u4ee5\u4e0a\uff0c\u5e76\u4e14\u968f\u7740\u76f8\u4f4d\u88d5\u5ea6\u7684\u589e\u52a0\u800c\u589e\u52a0\uff0c\u7a33\u5b9a\u6027\u8d8b\u4e8e\u63d0\u9ad8<\/strong>\u3002\u4f46\u662f\uff0c\u968f\u7740\u7a7f\u8d8a\u9891\u7387\u7684\u4e0b\u964d\uff0c\u54cd\u5e94\u901f\u5ea6\u4f1a\u964d\u4f4e<\/strong>\u3002<\/p>\n

\u589e\u76ca3\u662f\u5047\u8bbe\u589e\u76ca\u8f83\u9ad8\u65f6\u7684\u793a\u4f8b\u3002\u7531\u4e8e\u589e\u76ca\u9ad8\u4e8e\u589e\u76ca1\uff0c\u7a7f\u8d8a\u9891\u7387\u4e0a\u5347\u5230\u4e86\u7ea6180kHz\uff0c\u76f8\u4f4d\u88d5\u5ea6\u51cf\u5c0f\u5230\u4e86\u7ea620deg\uff08\u84dd\u8272\u53cc\u5411\u7bad\u5934\u2462\uff09\u3002\u589e\u76ca\u88d5\u5ea6\uff08\u589e\u76ca3\u66f2\u7ebf\u4e0a\u7684\u7ea2\u8272\u6b63\u65b9\u5f62\u70b9\uff09\u4e5f\u964d\u4f4e\u5230\u4e865dB\u5de6\u53f3\u3002\u5728\u8be5\u793a\u4f8b\u4e2d\uff0c\u8f83\u9ad8\u7684\u7a7f\u8d8a\u9891\u7387\u5b9e\u73b0\u4e86\u66f4\u597d\u7684\u54cd\u5e94\u6027<\/strong>\uff0c\u4f46\u662f\u76f8\u4f4d\u88d5\u5ea6\u548c\u589e\u76ca\u88d5\u5ea6\u90fd\u51cf\u5c11\u4e86\uff0c\u7a33\u5b9a\u6027\u964d\u4f4e<\/strong>\u3002<\/p>\n

\u6b63\u5982\u60a8\u53ef\u80fd\u5df2\u7ecf\u6ce8\u610f\u5230\u7684\uff0c\u5728\u7a33\u5b9a\u6027\u548c\u54cd\u5e94\u6027\u4e4b\u95f4\u5b58\u5728\u6b64\u6d88\u5f7c\u957f\u7684\u5173\u7cfb<\/strong>\uff0c\u8fd9\u4e2a\u63d0\u9ad8\u90a3\u4e2a\u5c31\u4f1a\u964d\u4f4e\u3002\u56e0\u6b64\uff0c\u5728\u8bbe\u8ba1\u8fc7\u7a0b\u4e2d\uff0c\u9700\u8981\u6839\u636e\u7535\u8def\u6761\u4ef6\u4f18\u5316\u7a33\u5b9a\u6027\u548c\u54cd\u5e94\u6027<\/strong>\u3002<\/p>\n

\u6211\u4eec\u5df2\u7ecf\u4e86\u89e3\u4e86\u8981\u786e\u8ba4DC\/DC\u8f6c\u6362\u5668\u7684\u7a33\u5b9a\u6027\u548c\u54cd\u5e94\u6027\u5c31\u9700\u8981\u8bc4\u4f30\u9891\u7387\u7279\u6027\u8fd9\u4e00\u70b9\u3002\u90a3\u4e48\u5982\u4f55\u83b7\u5f97DC\/DC\u8f6c\u6362\u5668\u7684\u9891\u7387\u7279\u6027\u5462\uff1f<\/p>\n

\u8981\u6d4b\u91cf\u9891\u7387\u7279\u6027\uff0c\u4f7f\u7528\u9891\u7387\u7279\u6027\u5206\u6790\u4eea\uff08FRA\uff1aFrequency Response Analyzer\uff09<\/strong>\u65e2\u7b80\u5355\u53c8\u53ef\u9760\u3002\u4e0b\u9762\u662f\u5b9e\u9645\u7684FRA\u548c\u6d4b\u91cf\u7535\u8def\u3002\u5b9e\u9645\u4e0a\u60a8\u524d\u9762\u770b\u5230\u7684\u6ce2\u7279\u56fe\u5c31\u662f\u4f7f\u7528FRA\u83b7\u5f97\u7684\u3002<\/p>\n

\"\u4f7f\u7528\u4e86\u9891\u7387\u7279\u6027\u5206\u6790\u4eea\uff08FRA\uff09\u7684\u9891\u7387\u7279\u6027\u68c0\u6d4b\u7535\u8def\u793a\u4f8b\/\u9891\u7387\u7279\u6027\u5206\u6790\u4eea\uff08FRA\uff09\"<\/p>\n

\u8981\u6d4b\u91cfDC\/DC\u8f6c\u6362\u5668\u7684\u9891\u7387\u7279\u6027\uff0c\u9700\u8981\u65ad\u5f00\u53cd\u9988\u73af\u8def\u7684\u8f93\u51fa\u548c\u5206\u538b\u7535\u963b\uff08\u5982\u6d4b\u91cf\u7535\u8def\u56fe\u4e2d\u6240\u793a\uff09\uff0c\u63d2\u5165\u9884\u5b9a\u7684\u7535\u963b\uff08\u6ce8\u5165\u7535\u963b\uff09\uff0c\u5e76\u5c06FRA\u8fde\u63a5\u4e8e\u8be5\u7535\u963b\u4e24\u7aef\u3002\u4e4b\u540e\uff0c\u51e0\u4e4e\u53ef\u4ee5\u81ea\u52a8\u6d4b\u91cf\u76f8\u4f4d\u88d5\u5ea6\u548c\u589e\u76ca\u88d5\u5ea6\uff0c\u5e76\u4ee5\u56fe\u5f62\u663e\u793a\u51fa\u6765\u3002<\/p>\n

\u770b\u8d77\u6765\u6bd4\u8f83\u7b80\u5355\uff0c\u4f46\u662f\u5728\u5b9e\u673a\u786e\u8ba4\u65f6\u662f\u4e0d\u662f\u9700\u8981\u52a0\u5de5\u7535\u8def\u677f\uff1f<\/p>\n

\u5b9e\u9645\u4e0a\u786e\u5b9e\u5982\u6b64\u3002\u867d\u7136\u4f7f\u7528FRA\u53ef\u4ee5\u8f7b\u677e\u6d4b\u91cf\u9891\u7387\u7279\u6027\uff0c\u4f46\u8fd9\u5f53\u4e2d\u5e76\u975e\u6ca1\u6709\u8bfe\u9898<\/em>\u3002\u60a8\u521a\u624d\u63d0\u51fa\u7684\u95ee\u9898\u4fbf\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u8bfe\u9898\uff0c\u7531\u4e8e\u5143\u5668\u4ef6\u7684\u5c0f\u578b\u5316\u548c\u9ad8\u5bc6\u5ea6\u5b89\u88c5\uff0c\u5982\u4eca\u5e38\u5e38\u5f88\u96be\u52a0\u5de5\u5b9e\u673a\u7535\u8def\u677f\u4ee5\u5bf9\u5176\u8fdb\u884c\u6d4b\u91cf<\/strong>\u3002\u53e6\u5916\uff0c\u5373\u4f7f\u53ef\u4ee5\u6d4b\u91cf\u9891\u7387\u7279\u6027\uff0c\u4e5f\u9700\u8981\u53cd\u590d\u66f4\u6539\u76f8\u5e94\u7535\u963b\u548c\u7535\u5bb9\u5668\u7684\u503c\u5e76\u91cd\u65b0\u6d4b\u91cf\u9891\u7387\u7279\u6027\u4ee5\u8fdb\u884c\u8c03\u6574\u548c\u4f18\u5316\u7684\u5de5\u4f5c\u3002\u4e00\u904d\u53c8\u4e00\u904d\u5730\u66f4\u6362\u5b9e\u673a\u7535\u8def\u677f\u4e0a\u5c0f\u5c0f\u7684\u82af\u7247\u662f\u4e00\u9879\u76f8\u5f53\u8270\u5de8\u7684\u5de5\u4f5c\u3002<\/p>\n

\u4e5f\u5c31\u662f\u8bf4\uff0c\u4f18\u5316\u9891\u7387\u7279\u6027\u9700\u8981\u53cd\u590d\u66f4\u6539\u76f8\u5e94\u90e8\u4ef6\u7684\u5e38\u6570\u5e76\u91cd\u65b0\u6d4b\u91cf\u6765\u53cd\u590d\u8bd5\u9a8c\uff0c\u8fd9\u5bf9\u4e8e\u90e8\u4ef6\u65e5\u76ca\u5c0f\u578b\u5316\u548c\u5b89\u88c5\u65e5\u76ca\u9ad8\u5bc6\u5ea6\u5316\u7684\u7535\u8def\u677f\u800c\u8a00\u5e76\u975e\u6613\u4e8b\u3002<\/p>\n

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