Transistor Hum Notch Filter

circuit Transistor Hum Notch Filter
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In the circuit shown, Twin-T network connections with LM102 in form of High Q notch filter. Usually, the junction of R3 and C3 to ground, is bootstrapped to the output of the follower. Because it has a very low impedance,neither the depth nor the frequency of the notch change. However, Q inc ...
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