[sdiy] ASM-1 VCO section update

[Tom May]

"Tony Allgood" <oakley at techrepairs.freeserve.co.uk> writes:

> And Tom (May), your circuit looks handy too for generating hard sync.
> You may want to add a little hysteresis (positive feedback) around that
> comparator at the front. That'll make it switch a lot cleaner and faster
> too. I would use 10K input resistor & 3M3 around the loop or somesuch.

That's one for the "what was I thinking" department!  Thanks, Tony.
Yes, hard sync is what I want.

fTom.