[sdiy] Multiple idea

Seb Francis seb at burnit.co.uk
Tue Nov 10 21:06:31 CET 2009


Should really be a problem in a well designed S&H module (i.e with 
proper output buffering).  Doepfer ... well YMMV ;)

Seb


Derek Holzer wrote:
> Biggest place this has been a problem for me is with any kind of 
> sample-and-hold circuit (such as the one in my Doepfer Ribbon 
> Controller for the "hold mode"). More multiples means quicker voltage 
> droop.
>
> D.
>
> Seb Francis wrote:
>> Provided the output impedance is relatively low compared to the input 
>> impedances, the voltage drop will be negligible.  This is the case 
>> for most modular systems.  As you suggest, the current draw is 
>> increased (but the current is still very small).
>>
>> Seb
>>
>>
>> Kyle Stephens wrote:
>>> Please forgive a stupid, elementary question, but if you spit a CV 
>>> output, or more broadly *any* voltage two ways, does that cut the 
>>> voltage for each output in half, or double the current draw 
>>> (assuming that's the proper unit) on the other end? (Paging Herr 
>>> Doktor Ohm... :[ ? )
>





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