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opa549做功率放大时失真，带8欧姆的负载，频率在3k时开始失真，有什么办法解决？
放大6倍，现象就是在波形的一端中间有一个小切口，好像过零失真，怎么解决？急。
有电路图和失真的波形吗？
有的。
同相放大
