We'll the "A"s are the package with the BNC connector.
The "B"s are for OEM equipment, they had 6 pins and a smaller plastic black case ....
Turns out they have some of the lowest phase noise specs on record.... I can send the manual, if you like... Brian Mike Feher wrote:
I do not believe that I am familiar with the 10514B. I probably have about 6 or so 10514As with BNC connectors (most in a metal case and a few in epoxy), and, I recall from about 40 years ago a 10514A that was a small little black cube with leads for mounting on a PC board. Naturally, I had to take one apart back then as that was the fun part. In the late 60's I designed a thick-film phase detector that was used in an ASW system, where I simply matched the hot carrier HP diodes for a fixed voltage drop at a given current. We also wound the toroids, and had an op-amp on the output. Wow, that was ages ago. Regards - Mike Mike B. Feher, N4FS 89 Arnold Blvd. Howell, NJ, 07731 732-886-5960 _______________________________________________ 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.
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