[sdiy] Buchla 295 10-band comb filter topology

[Lanterman, Aaron D]

> On Nov 22, 2022, at 5:41 AM, Mike Bryant <mbryant at futurehorizons.com> wrote:
> 
> They are just bandpass filters - one pot in the feedback changes the freq and one changes the Q.  And they both interact with each other of course.

Oh, I know they’re bandpass — I just haven’t seen that particular combination of op amp, Rs, and Cs, before and can’t seem to match it up with any schematics in my stack of textbooks, which I like to do instead of having to work out the transfer function myself. ;)

Aaron Lanterman, Prof. of ECE, Georgia Tech
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