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VARIABLE_LOUW_PASS_FILTER

2017-02-21 13:24  
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VARIABLE_LOUW_PASS_FILTER
This second-order low-pass filter uses a 741 op amp and is tuneable from 2.5 kHz to 25 kHz.This circuit is useful in audio and tone control ap-plications. R1 and 2 are ganged potentiometers.