RTL and DTL used 5.0V. I used to service Systron-Donner kit back in the early 70's, and we had a bunch of RTL and DTL stuff.
Rob K -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of jmfranke Sent: 15 April 2010 7:49 PM To: 'Discussion of precise time and frequency measurement' Subject: Re: [time-nuts] lunatic fringe time standards I believe RTL was 3.6V. But I could be wrong, it has happened. John WA4WDL -------------------------------------------------- From: "Mike Feher" <[email protected]> Sent: Thursday, April 15, 2010 2:32 PM To: "'Discussion of precise time and frequency measurement'" <[email protected]> Subject: Re: [time-nuts] lunatic fringe time standards > I also have a bunch of them. I made one of my first (the first actually > used > tubes and an RC network) electronic keyers using those Fairchild devices. > To > the best of my recollection they are standard 5 volt devices. Brings back > a > lot of memories well over 40 years ago. They were not around for that long > as then DTL became the craze. 73 - Mike > > Mike B. Feher, N4FS > 89 Arnold Blvd. > Howell, NJ, 07731 > 732-886-5960 > > > > -----Original Message----- > From: [email protected] [mailto:[email protected]] On > Behalf Of Brooke Clarke > Sent: Thursday, April 15, 2010 12:00 PM > To: Discussion of precise time and frequency measurement > Subject: Re: [time-nuts] lunatic fringe time standards > > Hi John: > > Yes RTL and 3.3 V if I remember correctly. > > Have Fun, > > Brooke Clarke > http://www.PRC68.com > > > jmfranke wrote: >> Wasn't that a RTL 923 and 914? I still have a few from my learning days. >> >> John WA4WDL > > > _______________________________________________ > 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.
