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求一些滤波芯片

Other Parts Discussed in Thread: UAF42

要求:

电压3.3V的

高通滤波,高通截至1hz

 低通滤波,截至100-150hz的

50HZ陷波器(UAF42好像是5V的),

最好单电源,低电压,

我是锂电池供电,