CEM3310s for sale

[Tony Allgood]

>... and there was roland discrete vcadsr in JP4 or ProMars...

This uses a high frequency clock with about a 5% duty cycle to control a
switch which discharges or charges the timing cap. The frequency varies
from about 35KHz to about 1MHz depending on the time chosen.

mmm, not for me... but an interesting circuit all the same.

Regards,

Tony Allgood  Penrith, Cumbria, England

Oakley Modular Synth and TB3030:
www.techrepairs.freeserve.co.uk/projects.htm
My music: www.mp3.com/taklamakan