Hi all,
I have some Qualcomm RF/SYNTH W/GPS boards which are programmable
synthesizers for the 750-1000 MHz band. They bear a 10 MHz TCXO as a reference.
Based on the above mentioned lettering on the PCB, I guess the oscillator could
be GPS disciplined supplying some GPS derived signal somewhere
Hello All,
I have looked through the archives for time-nuts and have not located any
info on the Odetics Model 285 TCU, likewise Google doesn't return any
matches.
If you have any information on this unit (Manuals, Schematics, Etc.) please
let me know.
I really enjoy lurking here.
Bob N5LXK
Hi All,
I'm fairly new here and could use some help.
I ended up getting a XL-DC from one of my friends. It was removed in
working condition from a local utility. Its the GPS based model. Anyways I
am having a very hard time trying to get the unit to lock. It only seems
to ever be able to
Good eve,
One common problem is that the DC bias produced by your clock and that
required by the antenna may not be matched. Look up the antenna specs, and see
what it calls for in terms of operating voltage.
Next, whip out your multimeter and see what the XL-DC is putting out
Bruce,
The Andrew antenna uses a +5v DC Bias The trutime is kicking out +5vDC
between the center conductor the cable shield. It has the best horizon to
horizon view its going to get where I live (mobile home park) It is
mounted outside on its bracket with the dome above the metal roof. Any
Bruce,
Im going by my friends calibration lab tomorrow afternoon. Hes got a known
working trimble gps setup that he uses for 10mhz. I will definitly let you
all know what I find.
Thanks
--Don
On 1/12/08 8:10 PM, Bruce Lane [EMAIL PROTECTED] wrote:
Hi, Don,
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