[time-nuts] Difference between these two oscillator boards?

Rex rexa at sonic.net
Thu Nov 30 15:25:40 EST 2006

On Thu, 30 Nov 2006 07:51:29 -0800, "John Miles" <jmiles at pop.net> wrote:

>Most likely, the larger board is from a 5300-series counter (5328?) and has
>some provision for switching between the OCXO and an external 10 MHz source.
>The smaller board might be intended solely to run the OCXO.
>-- john, KE5FX

As John said, the first board looks like it came from an HP 5328
counter. I researched this for a 10811 that I bought a couple years ago.
What I found for that board is in this zip:

I don't know what the othe board is from, either.

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