Hi Amir,
Others will chime in here who know better than I but turns has
nothing to do with it directly, it is the inductance and capacitance
of the coil you are worried about. F (resonate frequency) =
1/((2*Pi)*(sqrt(L*C))) there is also Q factor in there, as I
understand it a higher Q means less damping, so it oscillates more
freely and closer to the formula above, more damping kills the
oscillations faster and if memory serves speeds them up (like changing
the length of a violin string.) Anyway calculating the coil
inductance and capacitance is much more complicated, which is why I
use a program. For something to wrap your head around, more turns
yield higher inductance, and bigger turns yields higher inductance, I
can't say for capacitance as I'm not sure how it works, except in your
primary circuit where self capacitance is minimal and you use the tank
capacitance in the formula. I hope this helps.
Scott Bogard.
On 9/11/2010 9:37 AM, amir gh wrote:
hi .
what is relations between turn an frequency ?
and what is simplest formula for calculating frequency of SEC and PRI ?
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