How to construct a coil ?

[Alwaleed2]

how to construct coil

I need the formula that inculde the number of turns , length ,.. to design a 100uH coil that work in 3 MHz freq. , If there is other formula for other freq. please tell
if there is a tutorial on this ,it will be nice

 

[IanP]

Try this link:
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Regards,
IanP

 

[biff44]

100 uF? That is a measure of capacitance, not inductance.

 

[aravindj36]

biff44,
alwaleed2 meant 100uh not 100uf.uh stands for microhenry while uf stands for microfarads.

 

[kak111]

Try with these...............

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Coil Designer

MiscEl: Air coil

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Regards KAK