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4hv.org :: Forums :: Tesla Coils
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killing ne555's (sstc back to basics)

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James
Fri Mar 18 2011, 06:26PM
James Registered Member #3610 Joined: Thu Jan 13 2011, 03:29AM
Location: Seattle, WA
Posts: 506
Sure, you can build a mosfet driver easily enough, a totem pole of BJTs will do it. See some of the designs by a fellow member here: Link2

He uses 2N3904/3906 for smaller mosfets, and BD139/140 for larger ones. I've used his designs and fragments of them for other projects with success.
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Duality
Sat Mar 19 2011, 08:57AM
Duality Registered Member #1951 Joined: Sun Feb 01 2009, 01:59PM
Location:
Posts: 105
cool thank you i'll look into that :)

uhhmmm where can i find a example on his website?
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Duality
Sat Mar 19 2011, 03:59PM
Duality Registered Member #1951 Joined: Sun Feb 01 2009, 01:59PM
Location:
Posts: 105
i asume that the push pull on the left is what you meen?

and here are the wave forms, now i toke the wave forms from rawe output. and saw interference? when i disconect i get a nice straight line on the scope, i have a 4700 uF cap for filtering, so i don't know where that is from,
all the nearby power lines were disconected, only thing i had conected was ne555 powersupply.

any ideas?
wave form
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