Hello everyone,
I am new to filter design and I want to design an audio equalizer. I used Sallen key topology design calculator from:
https://www.changpuak.ch/electronics/Sallen_Key_Bandpass_light.php
I designed five band bandpass filter having simple low pass and high pass for initial and...
I'm having problems with using a summing amplifier. I don't know if it's the chip or needs a ground that is both positive and negative. I'm using a jfet input OP amp, I think it doesn't need to be a jfet input,but that is the chip I have. Please someone help me