[sdiy] Something better than CD4066 to switch CVs?

ulfur hansson ulfurh at gmail.com
Tue Feb 19 03:16:06 CET 2019


i second the DG series, also the 312, 313 and 314 from maxim. IIRC they will all switch bipolar signals.

the 4066 will only switch unipolar(positive) voltages...

Sent from outer space

> On Feb 18, 2019, at 8:59 PM, Adrian Corston <eidorian at aladan.net> wrote:
> 
> DG4xx have a good reputation.
> 
> 
> 
> ----- Original Message -----
> From: "Mike Beauchamp" <list at mikebeauchamp.com>
> To:"synth-diy at synth-diy.org" <synth-diy at synth-diy.org>
> Cc:
> Sent:Mon, 18 Feb 2019 20:53:43 -0500
> Subject:[sdiy] Something better than CD4066 to switch CVs?
> 
> 
> Does anyone have any experience using chips to switch multiple CV's? I 
> have a recommendation to use CD4066, but was wondering if maybe there's 
> something more modern and appropriate.
> 
> My power supply is +/-15 and I intend to switch signals from -5 to about 
> +11 and including ones intended to be accurate 1v/oct pitch CV's.
> 
> I was also thinking about using one of these IC's to switch in an 
> additional timing capacitor in a VCO circuit (to send it into LFO land), 
> but I'm wondering if I'd be compromising VCO stability in any way by 
> tying it to the switch IC.
> 
> Mike
> 
> 
> 
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