Thank you for all the hints. I did several experiments, but was not able to get reliable injection locking, several times the crystal jumped some 10-20Hz down, and stayed there. Think I have decided to just remove the 10MHz crystal and drive the oscillator from a external source.
BR. Thomas. Den man. 4. mar. 2019 kl. 18:41 skrev ed breya <e...@telight.com>: > > In this case, it appears what you want is choice of two 10 MHz reference > sources, and not any frequency conversion. Instead of injection locking, > why not just switch between one or the other? It's quite simple to > externally drive the built-in oscillator in most ICs. You can make the > circuits however necessary to disable the crystal, and connect the > external drive, manually, or automatically - it doesn't take a lot. Then > there will be no issue of possible signal complications associated with > injection locking. > > Ed > > _______________________________________________ > time-nuts mailing list -- time-nuts@lists.febo.com > To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > and follow the instructions there. -- With Best regards, Thomas S. Knutsen. Please avoid sending me Word or PowerPoint attachments. _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.