[sdiy] VCO reset time for BBD-based PM

[JH.]

> Maybe this would be a good place for the charge-balancing type of V-F 
> converter?  Normally these are of limited use because the output is a 
> narrow pulse, but could be OK for a clock.

Like the CS-80 and Rhodes Chroma VCOs? They even put out a nearly
saw shape. OTOH, pulses are just fine for BBDs (with a flipflop, that
unfortunately will bring in another factor 2 for timing accuracy.)

JH.