Originally posted by Inquorate
View Post
Leroy
This forum is preserved as a permanent archive. The community continues at eMedia Press.

But maybe that was a fate, since I couldn't get it to switch low anyhow. I got switching circuit built on two 555 and 556 which gives me controllable ON, OFF and d.c, plus two switches I mentioned above. It can be any type of flip flop 494 etc. As long as it will give us adjustable pulses to Q1 and Q2, adjustable "dead time" and adjustable pulse to upper ones. The way those delayed recovery work is that they get triggered from the same source as both optos for Q1/Q2 but pulse coming out can be delayed until there is enough potential. They both switch off when Q1/Q2 switch off. I'll try to get this done tomorrow. Been up 24 hrs already.



© 2007–2026 A & P Electronic Media and its licensors · posts © their authors · Copyright & Archive Policy

Comment