[sdiy] help with clicks on VCA

[cheater cheater]

Um, if your modular has a VCF, just use that for testing..

Try running both things off separate batteries and see what happens.

On Mon, Aug 17, 2009 at 1:53 PM, Dan Snazelle<subjectivity at hotmail.com> wrote:
>
> Slewrate limiting followed by a lowpass should help a lot.
> Perhaps use something like TLC27L
>
> i am not familiar with this chip...i have a lot of them though. they are a single supply
> opamp right?
>
>
> also...for a lowpass...can i just use a resistor and a cap?
>
> thanks
>
>
>
>
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> ----------------------------------------
>> Date: Mon, 17 Aug 2009 15:27:31 +0300
>> From: ajhuovil at cc.hut.fi
>> To: subjectivity at hotmail.com
>> CC: synth-diy at dropmix.xs4all.nl
>> Subject: RE: [sdiy] help with clicks on VCA
>>
>> On Mon, 17 Aug 2009, Dan Snazelle wrote:
>>
>>> it happens with square waves too even with saws
>>
>> Square has two sharp edges, saw one. Only difference is the number of
>> clicks per cycle.
>>
>>> from what i have been reading this is a very common problem with tremolos
>>
>> Slewrate limiting followed by a lowpass should help a lot.
>> Perhaps use something like TLC27L2?
>>
>> On related note, is there some way to artificially slewrate limit an opamp
>> circuit without affecting the gain-bandwidth product?
>>
>> Antti
>>
>> "No boom today. Boom tomorrow. There's always a boom tomorrow"
>> -- Lt. Cmdr. Ivanova
>
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