[sdiy] CMOS CD4070 ring mod?!

[Scott Gravenhorst]

Hmm.  voltage controlled XOR gates?  Any possibility someone
has it (web posted hopefully) where we can take a peek at that?

Tim Escobedo <tpe123 at yahoo.com> wrote:
>Craig Anderton had an interesting module on an old issue or
>Polyphony... a module utilizing several votage controlled EXOR gates
>with individual patchable inputs/outputs. IIRC, It wasn't too
>complicated, utilising a 4070 and several comparators. I don't recall
>what it was called.
>
>--- Scott Gravenhorst <music.maker at gte.net> wrote:
>> =?iso-8859-1?q?Ken=20MacBeth?= <macbeth2600 at yahoo.co.uk> wrote:
>> >An interesting real basic square driven ring mod is a
>> >single exor(4070)gate, two squares fed to the inputs
>> >and the result is a ring-mod like effect! It would be
>> >interesting to link all four gates together...
>> 
>> Are you gonna do it?  I'd like to do that sometime...
>> I can imagine it might be cool with PWM as input(s).
>
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