[time-nuts] HP10514B Mixers

[EWKehren at aol.com]

Is there a way you can post it on time-nuts?
Thank you 
Bert Kehren
 
 
In a message dated 3/30/2010 9:10:19 P.M. Eastern Daylight Time,  
kilodelta4foxmike at gmail.com writes:

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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