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.
