Hi The 100 KHz IF with a series of LF crystals goes *way* back. The early implementations were tube based.
Your 100 KHz crystal should oscillate with any of the standard watch crystal circuits. If not, there may well be a wire loose in the oven. Bob On Mar 7, 2013, at 10:19 PM, Max Robinson <[email protected]> wrote: > I have in my collection of objects, my wife calls it junk, a 100 kHz crystal > in a package that looks like an octal base tube. It was cast off from > somewhere and is in an oven but I can't find a circuit that will make it > oscillate at 100 kHz. That is probably the reason it was cast off. An HP > wave analyzer, model number forgotten, used several similar appearing > crystals in the narrow band filter of the 100 kHz IF. Also the HP 3570A > network analyzer uses three of them the 100 kHz IF in each channel. It > wouldn't surprise me to learn that the same engineer designed the IF strip > for both instruments. > > Regards. > > Max. K 4 O DS. > > Email: [email protected] > > Transistor site http://www.funwithtransistors.net > Vacuum tube site: http://www.funwithtubes.net > Woodworking site > http://www.angelfire.com/electronic/funwithtubes/Woodworking/wwindex.html > Music site: http://www.maxsmusicplace.com > > To subscribe to the fun with transistors group send an email to. > [email protected] > > To subscribe to the fun with tubes group send an email to, > [email protected] > > To subscribe to the fun with wood group send a blank email to > [email protected] > > ----- Original Message ----- From: "David Kirkby" <[email protected]> > To: "Discussion of precise time and frequency measurement" > <[email protected]> > Sent: Thursday, March 07, 2013 4:50 AM > Subject: [time-nuts] Interesting looking crystal on ebay > > >> This is certainly not time-nut standard, but I've never personally >> seen a crystal like this. >> >> http://www.ebay.com/itm/BLILEY-QUARTZ-BG6-GLASS-ENVELOPE-RESONATOR-FREQUENCY-10-MHz-AT-cut-/251231707166 >> >> I guess it has so many pins so it fits in a valve base. >> >> Dave >> _______________________________________________ >> 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.
