I have problem simulating this astable circuit. It never oscilates. What could be wrong?
L Thread Starter luinks Joined Apr 19, 2007 3 Apr 19, 2007 #1 I have problem simulating this astable circuit. It never oscilates. What could be wrong? Attachments astable.jpg 12.4 KB Views: 23
N n9352527 Joined Oct 14, 2005 1,198 Apr 19, 2007 #2 You need to put an initial condition on one of the node on the feedback loop. This question has been addressed several time in this forum. Do a post search for more information.
You need to put an initial condition on one of the node on the feedback loop. This question has been addressed several time in this forum. Do a post search for more information.
Eddy Kurent Joined Apr 9, 2007 18 Apr 19, 2007 #3 You have a real hodge-podge of values in your circuit, resulting in some wierd RC time periods. No wonder it will not oscillate. Compare with the attached astable multivibrator circuit from Play-Hookey. Attachments oscillator, astable.JPG 10.7 KB Views: 25
You have a real hodge-podge of values in your circuit, resulting in some wierd RC time periods. No wonder it will not oscillate. Compare with the attached astable multivibrator circuit from Play-Hookey.
L Thread Starter luinks Joined Apr 19, 2007 3 Apr 19, 2007 #4 @n9352527 : what's the word for searching such theme? @Eddy Kurent : I'm trying to do a different duty cycle.
@n9352527 : what's the word for searching such theme? @Eddy Kurent : I'm trying to do a different duty cycle.