[sdiy] Something better than CD4066 to switch CVs?

mark verbos markverbos at gmail.com
Tue Feb 19 18:21:41 CET 2019


I use the DG212 all the time. Affordable, can run off of up to +/-18v, will switch from 5 volts, fast, low on resistance

Mark







> On Feb 19, 2019, at 3:12 AM, oren levy <orenlevysticky at gmail.com> wrote:
> 
> Intersil CD22M3494SQ
> 
> 
> Oren Levy
> 
> On Feb 18, 2019, at 17:59, Adrian Corston <eidorian at aladan.net <mailto:eidorian at aladan.net>> wrote:
> 
>> DG4xx have a good reputation.
>> 
>> 
>> 
>> ----- Original Message -----
>> From: "Mike Beauchamp" <list at mikebeauchamp.com <mailto:list at mikebeauchamp.com>>
>> To:"synth-diy at synth-diy.org <mailto:synth-diy at synth-diy.org>" <synth-diy at synth-diy.org <mailto: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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