GOTO,
thanks for the comments, i9 just got back from town, got a 100omg & 500ohm 22 turn pots for fine tuning..but.....what id REALLY like to do is use the function generator from my sound-card....but i am inexperienced as how to take the output of it ( which i belive is AC, maybe 1.4V ).....and connect this to drive the mosfet......obviously the function gen would give me ultimate control of the frequency.
David. D
thanks for the comments, i9 just got back from town, got a 100omg & 500ohm 22 turn pots for fine tuning..but.....what id REALLY like to do is use the function generator from my sound-card....but i am inexperienced as how to take the output of it ( which i belive is AC, maybe 1.4V ).....and connect this to drive the mosfet......obviously the function gen would give me ultimate control of the frequency.
David. D

to get the voltage high enough may work.
the soundcard should be able to trigger it. You may need a resistor so the current of the soundcard doesn't blow the 2n2222.
That's why I'm not showing batteries being recharged in my videos.
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