[time-nuts] HP10514B Mixers

Brian Kirby kilodelta4foxmike at gmail.com
Wed Mar 31 01:10:31 UTC 2010


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
>
>
>
>
>
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