Low noise 60 Hz notch filter circuit

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Does anyone have a very low noise 60 Hz notch filter circuit that will not attenuate over 100
or a low noise bandpass from 100 to 20000 hz .
 

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berkeman
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Does anyone have a very low noise 60 Hz notch filter circuit that will not attenuate over 100
or a low noise bandpass from 100 to 20000 hz .
You want a sharp notch to supress 60Hz and not attenuate 100Hz?

A better approach might be to eliminate the 60Hz noise coupling first, so that it doesn't show up in your signal channel. And/Or, do something with your signal to move it away from 60Hz (modulation, etc.).

What is your application?
 

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