[time-nuts] ancient OCXO info on HP 05110-6043 needed

[Pete Lancashire]

I have the manual, some day I want to restore the 5100A I have. It may take
a few days to where I can scanning the relevant pages.


-pete

On Mon, Dec 26, 2011 at 12:19 PM, ed breya <eb at telight.com> wrote:
> While looking for something in my OCXO department I ran across this old
> piece from the 1960s. I had saved it from an HP5110 synthesizer carcass
> years ago, but only the crystal oven unit remained - no oscillator or
> control circuits.
>
> Just thought I'd ask here if anyone has info or a source of a 5110 manual
> that may have enough info to see what the rest of the circuitry was, and if
> it's worth fixing or reusing. The part is HP 05110-6043. I don't recall ever
> seeing anything about this oldie anywhere.
>
> It's a cylindrical type, about 2.25" OD, and 5" long, with four teflon
> feedthroughs on the side for the crystal circuit connections. Also out the
> side runs a light gauge ribbon cable with six lines black, green, orange,
> blue, gray, and red, presumably for the heater circuitry.  On the side near
> the far end is a small plug cap, presumably covering a temperature
> adjustment pot or thermostat. The crystal itself is huge, mounted inside a
> vacuum tube envelope. Judging by the size of the crystal and the big mica
> caps with it, I'd guess it's 1 MHz.
>
> Ed
>
>
>
>
>
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