IC扩流电路图_音量补偿器电路图_通用FET 输入运算放大器

IC扩流电路图_音量补偿器电路图_通用FET 输入运算放大器电路图

最简单的cmoy口袋型~~
r4/r3=10
r2=100k
c1可以取1uf左右的cbb
附件:

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