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Author Topic: Tommey Reed's Pulse Generator output test update.  (Read 17702 times)

Tommey Reed

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Re: Tommey Reed's Pulse Generator output test update.
« Reply #15 on: August 17, 2009, 11:21:29 AM »
Otits,

The pulse generator is design so the kick back effect wont destroy the mosfet.

Think of one way valves, power goes in, and the kick back (or say fly back), goes into the cap.

If you add a diode to a coil, the fly back is shorted out to prevent the mosfet from being zap from the high voltage kick back.

I use 4 diodes for that reason, but add a cap into the center of the 2 diodes to collect the back emf.

Tom.
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