On Thu, 29 Aug 2002, Scott Touchton wrote:

>Hi Roman,
>
>It is out of a dog collar.  Basically takes 7 volts stored in a 470uf cap
>and converts it to 300 volts on the forward pulse for 250us (10K load) and
>can create 12Kv for 20uS on the flyback into 10meg shunted by 2pf.  I am
>guessing it is probably around 100:1 on the turns ratio (the forward pulse
>losses look about right), but wanted to find out the primary and secondary
>inductances and I DON'T HAVE AN IMPEDANCE BRIDGE!!!! (a little frustration)

So build one. Do you have a signal generator (audio to a few 100's of
kHz) ?

Peter

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