Analog PWM controller

115

01:22:13

Followed the design I found at Planet Analog:
http://www.planetanalog.com/author.asp?section_id=483&doc_id=559556

Alas, I can not get the triangular wage started.

published 10 years ago

avaldebe

10 years ago

Think the issues ts that the op amps on the simulation are ideal and the cap never discharges

avaldebe

10 years ago

Will try my luck withhttp://forum.allaboutcircuits.com/threads/leds-555s-flashers-and-light-chasers.19075/#post-117641

faceblast

10 years ago

I can't get it to work either

GingerKing

10 years ago

Guys. Two opamps. Thats all you need. Check my PWM circuit for clarification

avaldebe

10 years ago

Thanks for the hint GingerKing. I'm after a voltage controlled PWM. I think that I can built it from yours.

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