[sdiy] SSM2164 base for Doepfer sdiy synth kit.

[Guy Drieghe D.]

On 14 Aug 2010, at 10:37, David G. Dixon wrote:

>>> Now how do I work a 2164 into an LFO?
>> 
>> Neil Johnson's got an example on his site:
>> 
>> 	http://www.milton.arachsys.com/nj71/index.php?menu=2&submenu=0&subsu
>> bmenu=2
>> 
>> Actually, it's two examples really. See the schematic for details.
> 
> OK!  I wasn't thinking of a VC LFO, but what the heck? 
> 
>> I think that covers it. We've got SSM2164-based VCOs, VCFs, VCAs,
>> envelopes, and LFOs. I'm sure we could do voltage-controlled lag or
>> portamento too. Anything else unmissable I've forgotten?
> 
> Yes.  The "2164 Multiplying Modulator", my fancy variable-quadrant ring
> modulator -- although, whether it is "unmissable" is debatable.
> 
> And, of course, a stereo mixer/panner (something the chip was actually
> intended to be used for by its inventors).
> 
> We should have a little contest to come up with as many 2164-based module
> ideas as we can, and then I can write about them.

Equal Power VC Panning/Xfading, please. 
Thank you. :-)

_g


> 
> One thing I'd definitely like to write about is how to convert filter
> designs based on other circuit elements to 2164-based filters -- that's a
> favorite topic of mine at the moment, and very useful to know.
> 
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