[ARC5] [Boatanchors] Making Stable Inductors for 2 MHz

[Steve Byan]

On Jun 28, 2011, at 9:20 PM, J. Forster wrote:

> The frequency stability requirement is not great... about +/- 5 KHz, but
> this is larger than can be achieved with ferrite cores I've looked at,
> which are > 0.05% / deg. C.

I'm no expert, but isn't the conventional wisdom to use iron toroids rather than ferrite for oscillator tank inductors, for exactly this reason of temperature stability? It might also require a temperature compensating cap of the correct tempco.

Best regards,
-Steve
-- 
Steve Byan <stevebyan at me.com>
Littleton, MA 01460