[time-nuts] Upgrade an HP 5342A microwave frequency counter to have an oven oscillator.

[Bob Camp]

Hi

In this case I suspect he’s referring to the version with the edge connector on it. That’s the one most instruments use rather than the connector only version or the “double oven” version. I believe that makes it a 10811A rather than a 10811B. 

There are a multitude of details here:

https://www.febo.com/pages/hp10811/HP10811AB-Manual.pdf

There are indeed other versions that came out after the manual. 

Bob

> On Nov 27, 2014, at 5:48 PM, Didier Juges <shalimr9 at gmail.com> wrote:
> 
> "Just remove the TCXO the 10811 just plugs in"
> 
> Note that there are many different versions of the 10811. I am familiar
> with at least two incompatible mechanical configurations: one is
> connectorized and the other is not.
> 
> Didier KO4BB
> 
> On Thu, Nov 27, 2014 at 5:43 PM, Scott McGrath <scmcgrath at gmail.com> wrote:
> 
>> Just remove the TCXO the 10811 just plugs in,  you will need to add the
>> heater oven indicator wiring and LED indicator which is usually over the
>> power switch   The power supply includes the oven supply already
>> 
>> Content by Scott
>> Typos by Siri
>> 
>>> On Nov 27, 2014, at 5:38 PM, "Dr. David Kirkby (Kirkby Microwave Ltd)" <
>> drkirkby at kirkbymicrowave.co.uk> wrote:
>>> 
>>> The HP 5342A has an optional oven oscillator. I just bought one of
>>> those counters, but mine has a TCXO and is about 50 kHz off at 10 GHz.
>>> I'm sure I can trim it closer than that, but if possible I'd like to
>>> stick an oven oscillator in it. Does anyone know what is involved? I
>>> have at least one 10811A oscillator here that I could stick inside,
>>> but does it need any more, or just the oscillator?
>>> 
>>> Someone said the oscillator should be an 10544-60011, but a 10811A is
>>> backwards compatible.
>>> 
>>> Dave
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