Thanasis wrote:

"Michael A. Terrell" wrote in message ...

They have to be turned on hard, or they will rectify the RF
and cause problems ...

I was feeding the diode with 1mA. I couldn't imagine that should feed it
with ~20mA in order to be stable my oscillator.

Thanks for your help
Thanasis Lazos

We had problems with phase noise at lower currents.
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Michael A. Terrell
Central Florida