[sdiy] Something better than CD4066 to switch CVs?

Tim Ressel timr at circuitabbey.com
Tue Feb 19 18:46:22 CET 2019


I have used the DG408 and the DG406 (16 channel) switches and they both 
worked great. But be warned: there are some DG type parts out there that 
are not +/-12 or 15 volt compatible. Read the datasheet carefully, make 
sure the part can do the power range you need.

--timmers

On 2/19/2019 9:41 AM, Jarno Verhoeven wrote:
>
> Yes, DG412 is the current p/n
>
> There are a bunch of interesting parts in that family, I have a few 
> DG408 that I want to try some day.
>
> Regards,
>
> Jarno.
>
>
>
> Op 19-Feb-19 om 18:21 schreef mark verbos:
>> 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 
>>> <mailto: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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-- 
--Tim Ressel
Circuit Abbey
timr at circuitabbey.com

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