[sdiy] VCA signal analysis

ChristianH chris at chrismusic.de
Mon Dec 9 15:39:10 CET 2013


On Mon, 9 Dec 2013 13:52:52 +0000 Neil Johnson <neil.johnson71 at gmail.com> wrote:

> A notch filter also allows you to spend your limited sensitivity and
> resolution on exploring distortion artefacts.  You can pump a healthy
> signal into your circuit (VCA, filter, telephone line, etc), notch out
> the fundamental, and then turn the gain up so you can see the all the
> annoying harmonics from the distortion mechanisms in the circuit.

And from the notch filter <gr>

Chris




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