Mike Monett wrote: > Hi, > > Sorry, I don't know how to reply to a post using the digest. But my > question is if 100Hz or 10KHz are available from a GPS unit, where do they > come from? Does that mean there is a 10MHz oscillator somewhere on the pcb > that is just divided down? > > If so, then adding another PLL loop to control an external 10MHz crystal > will just add additional noise, jitter, variable phase offset, etc. > > If there is already a 10MHz oscillator, wouldn't it be simpler to add a > buffer like paralleled sections of a 74AC04 to the source, and drive a 50 > ohm coax directly? > > Regards, > > Mike Monett > > _______________________________________________ > Few GPS receivers other than Geodetic receivers and the Novatel Superstar use 10MHz crystal oscillators. In particular neither the the M12+T nor the Resolution-T uses a 10MHz crystal
Bruce _______________________________________________ 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.
