sync problems:soft

[Ingo Debus]

Paul Perry wrote:
> Is it possible to replace with a CMOS version of the 555?
> I understand this has no glitch....

I once built the Elektor "Theremin". It uses two TLC555 (CMOS 555) for
its HF oscillators. They do sync each other at similar frequencies, so
the lowest possible audio frequency is quite high. Things are better
when two separate power supplies are used.

Ingo