[sdiy] EFM VCF1E Question

patchell patchell at silcom.com
Tue Apr 3 06:47:48 CEST 2001


    No, it looks ok.  This is a very simple one.  Performace just fine for
things like filters and such.

RFAHL wrote:

> Could someone look at this PDF and tell me if the Expo converter for the
> main filter in the schematic looks odd.  It seems to me that the transistors
> are not connected correctly.  I've built one of these and it doesn't pass
> audio....
>
> http://groups.yahoo.com/group/EFM_Synth/files/modules/vcf1e.pdf
>
> Thanks,
>
> Romeo

--
 -Jim
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