Always appreciate the pictures. Though I can't offer any help its good to see and learn from others. That oven/oscillator looks in great condition for a 40 year plus device. Regards Paul WB8TSL
On Mon, Dec 26, 2011 at 4:33 PM, Pete Lancashire <[email protected]>wrote: > 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 <[email protected]> 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 > > > > > > > > > > > > _______________________________________________ > > time-nuts mailing list -- [email protected] > > To unsubscribe, go to > > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > > and follow the instructions there. > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
