Projects were plentiful in hobby magazines up to about the 80s - usually vaguely resembling a CDI with a pulse generator added and driving a bog standard car IGN coil.Hi
Having built this simple circuit which seems to work fine, I'm looking for you guys to cast an eye over it, especially on the high voltage side ( after IC2 ).
The two diodes I've used ( D2 & D4 ) are the best I could find in "Circuit Wizard" library but I'm open for criticism on both the necessity of use and the values to counter spikes. The MOSFET seems to work well and only gets warm on the heat sink.
I set the "pulses control" to achieve 0.5Hz and the "power control" to about 75% to achieve an output pulse of 4KV
Circuit:
View attachment 162894
Your comments would be appreciated
Could be fairly close to the safe limit for a scope input.Do you have an oscilloscope to look at the voltage across the MOSFET drain?
Probably not if he's using a 10:1 probe (which he should be).Could be fairly close to the safe limit for a scope input.