[sdiy] VCA venting

Ken Stone sasami at hotkey.net.au
Mon Feb 7 21:30:52 CET 2005


It is most likely the problem is caused by an assembly error - ESPECIALLY if
perfboard has been used.

Ken

>Hi,
>
>I just had to vent...  When I got into Synth DIY I had this strange
>assumption that building VCAs would be easier than the other main modules.
>My recent experience has made this seem not the case.
>
>I've built two different VCAs on perfboard, and both of them seem to have
>the same problem.  The CV does nothing.  I can get a signal, but no matter
>how I trim it I can get the CV to work.  I can however get the CV to effect
>gain by sending it into a different point in the circuits.  This doesn't
>make any sense to me...
>
>If anyone has any good general advise, then I would appreciate it, otherwise
>just ignore me.   : )
>
>Thanks,
>Pat
>
>
_______________________________________________________________________
Ken Stone   sasami at hotkey.net.au or sasami at cgs.synth.net
Modular Synth PCBs for sale <http://www.blaze.net.au/~sasami/synth/>
Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>




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