Bob, I've used one for a simple 10 Mhz ref. They are 12 V, and indeed the VFC is +2.5V If you hold the OCXO upside down, the 2 pins at the top are GND and +12V Bottom 3 Pins -> 10 Mhz, unknown and VFC
Frits W1FVB On 09/06/2015, Bob Stewart <[email protected]> wrote: > Does anyone have any information about the Trimble 65256 OCXO? I bought one > recently and hooked it up to 12V per the vendor. (Yeah, I know.) Although > it worked, it set off such a stench: the usual electronics burning up, give > you a sore throat smell. So, I got a replacement and same thing. For fun, > I hooked it up to +5V. It seems to work, it drives the counter, but I > haven't measured the output waveform yet. So, does anyone know whether > these are +12V devices, +5V, or something else? The VRef output was > somewhere around +2.5V, IIRC. > > Bob - AE6RV > > _______________________________________________ > 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. > -- vbradio.wordpress.com _______________________________________________ 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.
