[time-nuts] need recomendation for a portable 10mhz reference oscilator

Stan stanw1le at verizon.net
Tue Dec 11 19:27:51 EST 2007


Hello Eric,

I picked up a few ISOTEMP VCXOs from Pyro Joe on ebay. 12VDC operation

Currently using one as a 10 MHz reference for my AD6IW PLL osc for the 
LO on my DB6NT 10 G2.
For the control voltage, I use a multi turn pot and cal at home, before 
the contest weekend.
I am tickled with the frequency stability. I use mostly USB and CW.

I packaged it up in a diecast box to keep the wind off.
Plan is to expand the concept to 24, 47, and 78 GHz.

If I need more frequency stability for the processing gain in a 
ARGO/QRSS CW mode,
I can migrate to a Rb in the portable station.

Stan, W1LE   FN41sr   Cape Cod



Eric Fort wrote:
> I'm looking for a fairly basic, relatively simple 10 Mhz PORTABLE
> reference (probably quartz based) with enough stability over a period
> of a week of outdoor temp extremes to keep a 47Ghz transmitter locked
> within 100hz  while mountaintop contesting.  Suggestions are
> appreciated.  something that is small and ran off 12 volts dc (car
> battery) would be a definite plus.
>
> Thanks,
>
> Eric
>
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