IMO, they are all good parts. The only down side to the 710/711 was the odd (-) supply required.
-John ============== > Hi > > The ua723 obviously is the one destined to outlive the cockroaches. The > linear power supply industry still seems to consider them "state of the > art". > > Bob > > -----Original Message----- > From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On > Behalf Of J. Forster > Sent: Tuesday, April 20, 2010 12:15 PM > To: Discussion of precise time and frequency measurement > Subject: Re: [time-nuts] lunatic fringe time standards > > Other Chips > > Single Comp uA710 > Dual Comp uA711 > Voltage Reg uA723 > > -John > > ================= > > > >> Arthur Dent wrote: >>> jimlux-"And you can probably still buy 709 and 714 op-amps.." >>> >>> I'm old enough to know that it is 741 op-amps, not 714. ;-) >>> >> >> Ooops.. >> it was early in the morning >> >> And for the life of me, I cannot remember the number of the comparator >> in the 7xx series.. contemporaneous with the 709. >> >> _______________________________________________ >> time-nuts mailing list -- time-nuts@febo.com >> To unsubscribe, go to >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. >> >> > > > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > > > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.