The GPSDO is a TCXO that is disciplined by a GPS receiver. The radio switches to the GPSDO when it is present. The GPSDO remains on in the radio even when the main power is turned off to maintain the high stability oscillator and the GPS lock (unless overridden by the user).
Steve On Sunday, May 20, 2012, Brian Lloyd wrote: > On Sun, May 20, 2012 at 10:47 AM, Jerry Flanders > <jefland...@comcast.net<javascript:;> > >wrote: > > > From page 5 of the 6000 brochure: "When the GPSDO option is not > installed, > > the FLEX-6700 and FLEX- 6700R come standard with a ±0.02ppm Oven > Controlled > > Crystal Oscillator (OCXO) and the FLEX-6500 comes with at ±0.5ppm > > Temperature Controlled Crystal Oscillator (TCXO). " > > > > So if I buy the GPSDO option, I lose the OXCO/TCXO???? Does the GPSDO > take > > up the space otherwise occupied by the OXCO/TCXO? > > > > I would assume that the GPS receiver is disciplining the OCXO, not > replacing it. If you replace that nice oscillator you would probably reduce > the phase noise performance. > > -- > Brian Lloyd, WB6RQN/J79BPL > 3191 Western Dr. > Cameron Park, CA 95682 > br...@lloyd.com <javascript:;> > +1.767.617.1365 (Dominica) > +1.916.877.5067 (USA) > _______________________________________________ > FlexRadio Systems Mailing List > FlexRadio@flex-radio.biz <javascript:;> > http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz > Archives: http://www.mail-archive.com/flexradio%40flex-radio.biz/ > Knowledge Base: http://kc.flexradio.com/ Homepage: > http://www.flexradio.com/ > -- Steve Stephen Hicks, N5AC, AAR6AM VP Engineering FlexRadio Systems™ 4616 W Howard Ln Ste 1-150 Austin, TX 78728 Phone: 512-535-4713 x205 Email: st...@flexradio.com Web: www.flexradio.com *Tune In Excitement™* PowerSDR™ is a trademark of FlexRadio Systems _______________________________________________ FlexRadio Systems Mailing List FlexRadio@flex-radio.biz http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz Archives: http://www.mail-archive.com/flexradio%40flex-radio.biz/ Knowledge Base: http://kc.flexradio.com/ Homepage: http://www.flexradio.com/
