Hi The gotcha is that there are second order temperature effects. If you are going to run the crystal very far off turn, you need to keep it more stable than you might think.
Bob On Mar 2, 2014, at 3:40 PM, Jim Lux <[email protected]> wrote: > On 3/2/14 12:21 PM, Bob Camp wrote: >> Hi >> >> As long as your resistor keeps the temperature to within a micro degree it >> will do pretty well. >> > > Oh, you were looking for 1E-12.. I was thinking 1E-9 would be good enough. > > > The other issue is that the phase noise might be pretty bad with a cheap > crystal, if it's not particularly high Q. Probably not what you want to use > if you're multiplying it up for the carrier on your 240GHz narrowband > transmitter. > > > _______________________________________________ > 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. _______________________________________________ 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.
