Bootstrapped active Twin T with variable Q

105

02:15:02

Bootstrapped version of Twint-T notch filter with narrow bandwidth and good dB drop. Q can be easily changed with potentiometer. To get even better "anti-hum filter" check TI's so called Fliege notch filter.

published 11 years ago

hurz

11 years ago

Now we have that circuit here on EC documented with the right headline and unscrambeld topologie. Thanx for that!

pasihe

11 years ago

Welcome! I didnt find other versions here..

hurz

11 years ago

There are, but they are hidden as e.g. as "ultra high quality notch" and other mystic description

pasihe

11 years ago

Ou...ok. :-)

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