Lightium Active Member Aug 5, 2023 #1 I made this cap charging circuit. Works well, but I want to use it now to charge larger caps (330uF). The large cap seems to short my circuit and prevent it from pulsing. I've got the transistors running at their limits already. Attachments Screenshot at 2023-08-05 11-08-35.png 82.5 KB · Views: 132 ultrasonic-a1a.asc 2.9 KB · Views: 131
I made this cap charging circuit. Works well, but I want to use it now to charge larger caps (330uF). The large cap seems to short my circuit and prevent it from pulsing. I've got the transistors running at their limits already.
rjenkinsgb Well-Known Member Most Helpful Member Aug 5, 2023 #2 You appear to be missing a rectifier diode somewhere??
Nigel Goodwin Super Moderator Most Helpful Member Aug 5, 2023 #4 Lightium said: oops. Click to expand... Oops indeed - I had a quick glance and never noticed that