Tow-Thomas Structure Biquad Filter

454

05:33:00

Cutoff frequency, resonance (Q) and the gain can be adjusted individually. Output of the first op-amp is a bandpass, output of the last one is a low pass.

The original design is presented in "A step by step active filter design" by J. Tow, 1969.

published 9 years ago

rboggs10

9 years ago

Really cool!

gasboss775

9 years ago

Cool, is this a variation of the state variable filter?

dangpzanco

9 years ago

I took it from a book called "Filtros Seletores de Sinais", but it's in Portuguese and only available in Brazil. But I found a good article here: http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.16.139&rep=rep1&type=pdf

omibuddyy

9 years ago

Just awesome...!!

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