[time-nuts] Looking for a particular OCXO....

Bob Camp kb8tq at n1k.org
Mon May 26 17:15:24 EDT 2014


Hi

On May 26, 2014, at 4:31 PM, Brian, WA1ZMS <wa1zms at att.net> wrote:

> I am trying to repair my HP-8920 RF Com test set since its internal
> 
> 10MHz OCXO has aged way beyond the DAC EFC cal range.

How far out is it?

>  (There
> 
> is no trimmer cap to allow adjustment.)

Trimmer caps went out a long time ago on OCXO's
> 
> 
> 
> The OCXO is 10MHz and is marked PTI XO1145.

It’s probably an OEM part number
> 
> PTI no longer lists nor seems to sell this OCXO.

They likely only sold that part to HP

> 
> 
> 
> Has anyone seen or have a replacement OCXO or already been
> 
> done this path before?  I hate to re-invent the wheel.
> 
> I can buy a used A15 ref module but I still may end up with one
> 
> that has an OCXO that's out of cal range.
> 
> 
> 
> Reply off-list is fine.
> 
> 
> 
> -Brian, WA1ZMS
> 
> 
> 
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Bob





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