Luis If you have sufficient headroom (input supply > 7V or so) why not use a buried zener reference chip like an LT1027? These chips also have a noise reduction pin. Otherwise a lower dropout bandgap reference like an LT1019 or similar may be useful.
Bruce On Wednesday, January 07, 2015 01:35:59 AM ct1dmk wrote: > Hi Bob, That is the issue, it doesn't. > (the 2,3 different types I would like to use none of them have it, so I will > be making a small pcb with the trimpot and the regulator and some > capacitors etc). > > Luis Cupido. > ct1dmk > > On 1/7/2015 1:09 AM, Bob Stewart wrote: > > Does your oscillator have a VRef output? If so, use that instead of a > > regulator. It's cleaner and usually temperature compensated. > > > > Bob > > > > From: ct1dmk<[email protected]> > > > > To: Discussion of precise time and frequency > > measurement<[email protected]> Sent: Tuesday, January 6, 2015 6:40 PM > > Subject: [time-nuts] VC-OCXO EFC stability. > > > > Hi, > > > > With a multiturn pot and a 78L05 I can get a 0 to 5V EFC to tune > > an OCXO on desired freq. But... maybe other voltage regulators > > or other scheme have better temp stability than the old 78L05. > > > > Before I crawl lost in new'ish fancy regulator land does anybody > > know the killer solution/IC for this job ? > > > > Luis Cupido > > ct1dmk. > > > > > > _______________________________________________ > > 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. > > _______________________________________________ > 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.
