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单端转差分

Other Parts Discussed in Thread: NE5532

为了避免音频输入与TPA3116共地,想在TPA3116前加入单端转差分同时带前级放大,可有以下问题:

1、能提供一下比较常用的单端转差分芯片型号?

2、为了调节高低音,能不能先用NE5532进行前级调制同时放大,然后再进行单端转差分输入到TPA3116?

3、还是单端转差分然后再用差分放大器进行放大,然后输入TPA3116?

谢谢~~~~~~~~