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Registered Member #1875
Joined: Sun Dec 21 2008, 06:36PM
Location:
Posts: 635
The capacitor will see AC, and depending on the load, possibly up to full voltage reversal. But if you added a reverse protection diode to bypass the negative voltage across the capacitor then you could use a polarized capacitor.
Registered Member #1875
Joined: Sun Dec 21 2008, 06:36PM
Location:
Posts: 635
The capacitor also has a 50% chance of seeing negative on transformer's first cycle... :) He didn't specify his application so I think it would be best to add the diode for protection...
Registered Member #1902
Joined: Fri Jan 02 2009, 07:59PM
Location: Lancaster, NY
Posts: 75
I wanted a "sputter" type class-e SSTC, in which the timer is set to start at 0V and turn off at peak pulse voltage. This effectively makes crude VTTC/QCW type sparks at the right freq ~350khz. Thanks for all the input!!
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Half wave doubler
