[sdiy] More new Alfa chips - CEM3394

Erik Dower electronicpresskit at gmail.com
Sat Apr 6 17:52:53 CEST 2019

There’s a lot of nice functionality in that chip but the THD spec at 4-6% put me off a bit.


> On Apr 6, 2019, at 4:20 PM, Tom Wiltshire <tom at electricdruid.net> wrote:
> AS3363: described as a three-channel VCA/voltage polariser.
> This provides two VCAs with both a four-quadrant and two-quadrant CV input. So you can control a signal from non-inverted through zero to inverted, and you’ve still got an independent input to control its volume as well. And there’s two of those. Then there’s the third one, which is a two-input crossfader/mixer thing, again with a separate control input for volume. It’s a crazy chip and I’ve never seen anything like it. What exactly you could use it for I’m yet to work out, but it’s certainly interesting.

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