[sdiy] OTA-C4 bandpass filter topology

[Donald Tillman]

Compare it to the CEM 3350?

  -- Don
--
Donald Tillman, Palo Alto, California
https://till.com

> On Jan 23, 2025, at 12:10 AM, Lanterman, Aaron D via Synth-diy <synth-diy at synth-diy.org> wrote:
> 
> I made a little video about an “OTA-C4 capacitively coupled current conveyor” bandpass filter topology:
> 
> https://youtu.be/aXwj1WMII5Q
> 
> I learned about it last year while sitting in on the “Neuromorphic VLSI” class my colleague Jennifer Hasler taught.
> 
> Here’s the paper: 
> 
> https://community.wvu.edu/~dwgraham/publications/papers/filterbank_tcas2_2012.pdf
> 
> The designers had fixed filter banks in mind, but I think it might be interesting to make voltage controlled versions.
> 
> Aaron Lanterman, Prof. of ECE, Georgia Tech
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