They are matched to null out the signal. Unmatched transistors may have
audio bleedthrough. There is no reason why you can't try a pair of ordinary
transistors, though your success will be greater if you can get a pair from
the same batch.
Ken
Ken Stone sasami@...
Modular Synth PCBs for sale <http://www.cgs.synth.net/>
Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>
audio bleedthrough. There is no reason why you can't try a pair of ordinary
transistors, though your success will be greater if you can get a pair from
the same batch.
Ken
>Hi all,_______________________________________________________________________
>
>Why exactly does the CGS64 (VCA) require matched transistors? What
>happens if you just use random transistors? In what way will the VCA
>not work correctly then?
>
>Greetings and thanks,
>
>
>
>The CGS Modular Synth home page: http://www.cgs.synth.net/
>
>Yahoo! Groups Links
>
>
>
>
Ken Stone sasami@...
Modular Synth PCBs for sale <http://www.cgs.synth.net/>
Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>