Re: Hartley oscillator stability

From: Tam/WB2TT (t-tammaru_at_c0mca$t.net)
Date: 07/13/04 

Date: Tue, 13 Jul 2004 13:21:30 -0400

"dave vanhorn" <dvanhorn@cedar.net> wrote in message
news:5a9bbca4.0407122245.16cbfd36@posting.google.com...
> I need a little advice. :)
>
> I'm building a design that was done using an NPN bipolar in a hartley
> configuration, with a ferrite tuned coil, running between 700kHz and
> 1.1MHz
An additional comment would be that if you are using capacitors in your
oscillator tuned circuit that are ceramic, meant for bypassing, get rid of
them quick. Use ceramic NPO, dipped mica, or even mylar. I might also worry
about the slugs in your inductors moving.

Tam