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FM收音机电路图中空心线圈电感量是多少，求解

2025-04-02 15:06:00

推荐回答（1个）

回答1：

7642较适用於AM频段收音机，用於FM收音机的较高频段就可能达不到要求。
如果坚决要试试，C1用22pF可调电容，线圈可以用0.5mm漆包铜线绕4圈5mm正径长度约10mm，线圈电感值没有实际参数只是参考一般diy收音机上的线圈做法。

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