[sdiy] 2164 Expo VCO tracking

[cheater cheater]

Hey David,
what if you aligned the current bump right above 0V coming from the
SSM's nonlinearity, with the negative frequency offset coming from the
core reset time? This could make two wrongs into one right, making for
an elegant solution, and might end up making the required HF
adjustment smaller.

Cheers,
D.

On Wed, Apr 14, 2010 at 01:56, Paul Perry <pfperry at melbpc.org.au> wrote:
> At last! A synth-diy use for those old RF plate tuner caps!
> (typically 15 to 250pf)
>
> paul perry melbourne australia
>
> ----- Original Message ----- From: "David G. Dixon" > It's just a 100pF cap
> from the comparator output/JFET gate (same trace) to
>>
>> ground.  It is essential.  100pF may be slightly too large, but 47pF is
>> too
>> small and 120pF is definitely too large.  I'm going to get some inbetween
>> values today to try, but 100pF works.
>
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