From: [EMAIL PROTECTED] Subject: Re: [time-nuts] Improving the stability of crystal oscillators Date: Wed, 10 Oct 2007 14:17:24 EDT Message-ID: <[EMAIL PROTECTED]>
John, > In a message dated 10/10/2007 11:13:21 Pacific Daylight Time, [EMAIL > PROTECTED] > writes: > > >We first built a small proportional heater circuit that we could shove > >in next to the crystal, and that worked OK. We finally found a source > >for thermistors spot welded to a spring clip that would mount snugly > >directly to the crystal case. With 12 volts applied, these heated the > >crystals very nicely. With the heaters, we were able to keep the > >systems running year round with about 1/10 the service calls. > > Hi John, > > interesting anecdote! Agree! Thanks! Cheers, Magnus _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
