Hi I wonder what the spec on the CMAC OCXO's really is?
The data sheet on the auction site looks like it is a straight copy of the Morion data sheet on the MV89… Bob On May 28, 2013, at 5:49 PM, John Miles <j...@miles.io> wrote: > Could also be worth considering the C-MAC STP 2055B DOCXOs being sold out of > China at the moment ( http://www.ebay.com/itm/170471367031 ). Out of 14 > units that I bought, three were excessively noisy and/or jumpy, eight were > good for <= 2E-12 at t=1s, and three were exceptional performers <= 3E-13 at > t=1s. As with the Morion DOCXOs, their retrace, environmental sensitivity, > and long-term stability characteristics are outstanding. > > Their broadband floor is around -155, a bit quieter than the MV89As. > Otherwise they're pretty similar, and he seems to have a large quantity of > them. Unfortunately they won't plug directly into the Trimble PCB, as they > have some threaded mounting studs and an extra pin for a CMOS-level warmup > signal. They could be modified or adapted without much trouble. > > -- john, KE5FX > Miles Design LLC > > >> -----Original Message----- >> From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On >> Behalf Of Bob Camp >> Sent: Tuesday, May 28, 2013 9:52 AM >> To: 'Discussion of precise time and frequency measurement' >> Subject: Re: [time-nuts] Thunderbolt MV-89a OCXO Transplant? >> >> Hi >> >> The MV89A is a 5 MHz resonator doubled to 10 MHz, it will have sub > harmonics >> that the original OCXO (using a 10 MHz resonator) does not have... > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.