AUDIO NOTCH FILTER FOR SHORTWAVE RECEIVERS


Posted on Feb 6, 2014    3130

The notch filter can be added to just about any receiver to attenuate a single frequency by more Lhan 30 dB. This filter should be handy for reducing heterodynes and whistles.


AUDIO NOTCH FILTER FOR SHORTWAVE RECEIVERS
Click here to download the full size of the above Circuit.




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