M
Michael A. Covington
Guest
OK folks... This is probably a RYFM question, but...
I'm trying to use Multisim after about 4 years of not having done any
circuit simulation.
I can't get a 555 relaxation oscillator to work, and I can't even simulate
the charging of a capacitor. (Hook up a 12-volt source with negative side
grounded, 1k resistor, 1uF capacitor, all in series... put the virtual
oscilloscope on the high side of the capacitor... flip the switch... and
it's at V+ all the time; we don't get to see it charge.)
I seem to recall something about having to tell it that the capacitors start
out with zero charge. Is that right? What am I doing wrong?
Many thanks!
I'm trying to use Multisim after about 4 years of not having done any
circuit simulation.
I can't get a 555 relaxation oscillator to work, and I can't even simulate
the charging of a capacitor. (Hook up a 12-volt source with negative side
grounded, 1k resistor, 1uF capacitor, all in series... put the virtual
oscilloscope on the high side of the capacitor... flip the switch... and
it's at V+ all the time; we don't get to see it charge.)
I seem to recall something about having to tell it that the capacitors start
out with zero charge. Is that right? What am I doing wrong?
Many thanks!