Bob Blick wrote:
.....
>I looked in the Digi-Key catalog and the LM13700N is $1.93 in singles. 2
>caps and a few resistors and you have a 12db/octave voltage controlled
>filter.
>

Anyone have actual experience using these filter thingies in "audio"
apps, like Edson is after? IIRC, they produce large phase shifts on
the signals, and may distort sounds.

- danM

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