[time-nuts] LPRO 101 ADJUSTMENT

[Scott Mace]

Both methods work well.  Be sure the unit is mounted to some sort of heatsink,chassis, etc.
I'm using a Fury GPS receiver to drive the EFC on an LPRO-101.
You won't get much range out of either adjustment.  Leave it powered
on for a couple of hours before trying to adjust it.  I usually set the trim pot in the
middle of it's range and use the EFC pin.  I think it's a 28 or 30 turn pot.  EFC
is 0-5v.  The unit will self-bias to around 2.5v if the EFC pin is open.

	Scott

jshank wrote:
> Hi,
> 
> I recently acquired a LPRO 101 Rubidium Oscillator.  After reading the 
> manual I see that there are two ways to adjust the frequency 1) using and 
> adjusting screw on the unit and 2) using the External C-field control signal 
> at pin J1-7.  Has anyone experimented with either method and if so what 
> method was preferred?
> 
> Jeff
> 
> 
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