Thanks Roy, yes I know several peple who worlled for Pye / Philips, and the firm I was involved in was a dealer for a while in the 80s. I have some data but not on those units. I cant remember when Philips bought them but it was a "kiss of death" !
Thanks and Best Wishes Alan G3NYK ----- Original Message ----- From: "Roy Phillips" <phill...@btinternet.com> To: "Discussion of precise time and frequency measurement" <time-nuts@febo.com> Sent: Sunday, May 24, 2009 9:53 PM Subject: Re: [time-nuts] Cathodeon TCXOs?? > Alan > The Cathodeon Company was part of Pye of Cambridge, which in turn became > part of Philips. I understand that nothing has survived of the old Pye > Group, so it may be difficult to obtain any new data. > Roy > > ----- Original Message ----- > From: "Alan Melia" <alan.me...@btinternet.com> > To: <time-nuts@febo.com> > Sent: Sunday, May 24, 2009 8:12 PM > Subject: [time-nuts] Cathodeon TCXOs?? > > > > Hi I wonder if anyone still has a datasheet/catalogue of Cathodeon > > products. > > This firm made crystals and oscillators and filters in the 1980 and 90s in > > Cambridge, England. (It is only 50 miles up the raod but I have not been > > able to find anyone who still has any knowledge of the products.) > > > > The units are FS5980/01 10MHz > > FS5951/31 5MHz > > I think the the 10MHz may be a TCXO,VCTCXO or even an OCXO, but the 5MHz > > does not have enough pins to be other than a TCXO. The spec would be > > useful > > (I think I have that from a previous query) but a pin-out is the vital > > information because none of the pins is common to the case, so it is > > difficult to work out the connections with an ohm-meter. > > > > Thanks > > Alan G3NYK > > > > > > _______________________________________________ > > 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.