[sdiy] Hi frequency VC clock

[Neil Johnson]

Hi,

mark verbos wrote:
> I’m making a new digital delay using some adaptive Delta type 1 bit techniques. I’d like a clock that can be swept from 250kHz to 3MHz without any glitches.
> I’m using a 74HC4046 and it is almost right, but it freaks out when the CV gets near zero and jumps down to a lower frequency. Is this normal? What am I doing wrong?
> I have a 220p cap and a 10k on pin 11 and a 100k on pin 12.
>
> Thanks for any insights…

Which manufacturer are you using?

Neil
-- 
http://www.njohnson.co.uk