[Elecraft] K2 Toroids not measuring correct inductance?

[Eric Swartz - WA6HHQ, Elecraft]

Stick with the correct number of turns. The inductance listed is a 
nominal calculated value and will vary from core to core, and with the 
frequency used to measure the inductance.

We also see a wide variance in inductance measurements between different 
instruments based on their differing test frequencies.

It -is- important that you confirm you are using the correct core, color 
etc.

73, Eric


On 6/1/2011 10:20 AM, rhapak wrote:
> Hi all!
> In the K2 manual it says to wind the toroids with the amount of turns
> specified and not to alter the windings to get the inductance specified in
> the parts list.
> I notice that many of my toroids do not measure near the stated inductance
> in the parts list but are wound with the specified amount of turns and would
> just like to know why??
>
> Thanks in advance,
> Rod
> VA3 ZVT
>
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