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4hv.org :: Forums :: Tesla Coils
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12v sstc

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wicked alex
Tue Dec 30 2008, 12:49PM Print
wicked alex Registered Member #1786 Joined: Tue Oct 28 2008, 03:23PM
Location:
Posts: 43
hallo, do some one know how to claculate C4 and L4 on this circuit? Link2
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Mads Barnkob
Tue Dec 30 2008, 04:16PM
Mads Barnkob Registered Member #1403 Joined: Tue Mar 18 2008, 06:05PM
Location: Denmark, Odense C
Posts: 1968
C4 and L4 are determing the resonant frequency of the circuit, so it should match the resonant frequency of your secondary + topload.

You just use the formula for resonant frequency, lots about this if you search for it :)
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wicked alex
Wed Dec 31 2008, 04:57PM
wicked alex Registered Member #1786 Joined: Tue Oct 28 2008, 03:23PM
Location:
Posts: 43
my coil hase an self capacitens of 2.9....pf dos that mean i need an capacitor of 2.9pf?and the coil.Is it an air or ferrit coil?
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MRacerxdl
Wed Dec 31 2008, 07:28PM
MRacerxdl Registered Member #989 Joined: Sat Sept 08 2007, 02:15AM
Location: São Paulo, Brazil
Posts: 476
You calc that as:

Secondary Inductance * Secondary Capacitance = C4 * L4

The coil L4 can be both, but you need to ensure that it will have the nescessary inductance.
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