wind your own tempcos

[Rene Schmitz]

At 10:06 15.12.99 +0100, Martin Czech wrote:
>50u copper wire is available for reasonable cost.
>
>Do you know these little inductors, most suppliers carry them.
>They are crap, a 63mH has series resistance of 700 Ohm!
>You know where this is going to? Such a little coil should be a 
>nice tempco with some parasitice inductance (copper wire).

If one could use two coils on one core (or magnetically couple two of them
in antiphase) we could reduce that inductance...

Bye
 René



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