{"id":255,"date":"2026-01-29T08:15:47","date_gmt":"2026-01-29T00:15:47","guid":{"rendered":"https:\/\/gccircuit.com\/wordpress\/?p=255"},"modified":"2026-01-29T08:15:47","modified_gmt":"2026-01-29T00:15:47","slug":"%e9%9b%bb%e5%ad%90%e8%80%b3%e5%8a%a9%e8%81%bd%e5%99%a8-amplified-ear","status":"publish","type":"post","link":"https:\/\/gccircuit.com\/wordpress\/2026\/01\/29\/%e9%9b%bb%e5%ad%90%e8%80%b3%e5%8a%a9%e8%81%bd%e5%99%a8-amplified-ear\/","title":{"rendered":"\u96fb\u5b50\u8033(\u52a9\u807d\u5668)-(Amplified Ear)"},"content":{"rendered":"\n

\u55ac\u6cbb\u67e5\u723e\u65af\u96fb\u5b50\u96fb\uf937\u7db2<\/p>\n\n\n\n

\u96f6\u4ef6\u6e05\u55ae<\/td><\/tr>
P1<\/td>20K\u53ef\u8b8a\u96fb\u963b<\/td>C3,C6<\/td>1uF \u96fb\u89e3\u96fb\u5bb9<\/td><\/tr>
R1,R9<\/td>10K<\/td>C4<\/td>10uF\u96fb\u89e3\u96fb\u5bb9<\/td><\/tr>
R2<\/td>1M<\/td>C5<\/td>470uF\u96fb\u89e3\u96fb\u5bb9<\/td><\/tr>
R3<\/td>4K7<\/td>D1<\/td>1N4148<\/td><\/tr>
R4,R7<\/td>100K<\/td>Q1,Q2,Q3<\/td>BC547 45V 100mA NPN<\/td><\/tr>
R5<\/td>3.9K<\/td>Q4<\/td>BC337 45V 800mA NPN<\/td><\/tr>
R6<\/td>1.5K<\/td>MIC1<\/td>\u96fb\u5bb9\u9ea5\u514b\u98a8<\/td><\/tr>
R8<\/td>100R<\/td>SW1<\/td>\u95dc\u95dc<\/td><\/tr>
C1,C2<\/td>100nF<\/td>J1<\/td>3mm\u8033\u6a5f\u63d2\u5ea7<\/td><\/tr>
B1<\/td>1.5V Battery AA or AAA<\/td> <\/td> <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u88dd\u7f6e\u7528\u9014\uff1a
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\u96fb\uf937\uf96f\u660e\uff1a
\u9019\u500b\u96fb\uf937\u7684\u5fc3\u81df\u662f\u4e00\u500b\u8861\uf97e\u653e\u5927\u5668\uff0c\u6240\u6709\u5f9e\u9ea5\u514b\u98a8\u63a5\u5230\u7684\u4fe1\u865f\u88ab\u653e\u5927\u52301V\u5cf0\u5c0d\u5cf0\u503c\uff0c\u9019\u500b\u65b9\u6cd5\u53ef\u4ee5\u628a\u975e\u5e38\u5c0f\u632f\u5e45\u7684\u8a0a\u865f\u653e\u5927\u632f\u5e45\uff0c\u4f46\u53c8\u9650\u5236\uf9ba\u5b83\u7684\u6700\u9ad8\u632f\u5e45\uff0c\u9019\u500b\u52d5\u4f5c\u7531Q3\uf92d\u5b8c\u6210\uff0cR2\u7528\uf92d\u4fee\u98feQ1\u7684\u659c\uf961\uff0c\u6700\u503c\u5f97\u6ce8\u610f\u7684\u662f\u6574\u500b\u96fb\uf937\u7684\u64cd\u4f5c\u96fb\u58d3\u53ea\u67091.5V\uff0c\u5178\u578b\u7684\u6d88\u8017\u96fb\uf9ca\u70ba7.5mA\u3002<\/p>\n\n\n\n

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