[Elecraft] Wire gauge for Toroids

Sverre Holm [email protected]
Sat Dec 27 03:12:01 2003


> -----Original Message-----
> 
> The inductance of a coil depends on the core, diameter,
> number of turns, and length of the coil.  If a different wire 
> size is used, the resultant inductance will change because 
> the final length of the coil will be different.  So wire size 
> does enter into the inductance formula because it affects the 
> length of the coil.

My toroid inductance equation says that inductance = A_L * n^2, where
A_L depends on the core and n is the number of turns, and there is
nothing about wire size or coil length - as long as there is room on the
toroid for the number of turns. 

Isn't the above statement for air-filled coils?

--
73, 
Sverre

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Sverre Holm, LA3ZA
www.qsl.net/la3za