Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Response
Yes, the oscillator is a LM358 wired as an integrator with a capacitor between the input and output. I will try a buffer amp as you suggested and see what it does.
Thanks.
Thanks for responding. I will try to post this circuit , but I dont currently have
a circuit that is postable. It will drive 120vac Xmas lights(16 channels).
The problem I mentioned is present whether lights are connected or not.
I suspect it has something to do with the way Op amps respond...
I would like some help on a circuit I came across on the
internet. I am trying to generate PWM by going thru a
comparator. +input is fed 0 - 10vdc and -input gets fed
a ramp which is in sync. w/ the ac line freq. The lights
dim up and down OK, however I notice jitter on the ramp when
the...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.
