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Graphic equalizer with LM49720 TI IC

GIANFRANCO DI SIMONE
Prodigy 10 points

hi, I'd like to do a graphic equalizer using the LM49720. I would realize 40 filters for channel. In the page 34 del DS are reported the risonace frequency for 10 filters. I think the calculation formula is fti=0.159/[sqrt(C1C2R1R2)]. Is it correct?. In the case of 40 filters I need to compute the bandwith for every filter; what's the formula of calculation for the new bandwith?

Thanks in advance

BR


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