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Re: Resonance



Tesla List wrote:
> 
> Original Poster: Philip <shadow42-at-totcon-dot-com>
> 
> The coil is 4.5" x 20" #24 awg unloaded I 234khz.
>  Philip

Philip,

Using an estimte of self capacitance and coil inductance, I get an
unloaded frequency for a coil this size that's closer to 400 to 420
kHz... It would drop down to the range of 230 kHz only with a fair
amount of topload (14-15 pF). 

How'd you arrive at 234 kHz for your coil?

-- Bert --