[time-nuts] Lucent RFTGm-II-XO / Lucent RFTGm-II-Rb / NT BW50AA
Gerhard Hoffmann
dk4xp at arcor.de
Tue Feb 12 04:56:46 UTC 2019
Am 12.02.19 um 03:57 schrieb Jeff Blaine:
> I have these 3 systems operational here and wonder what is the "best"
> of the sources?
>
> The local use for the reference is as a time base for test equipment.
> Nothing hyper critical in the way of end-use requirements - but after
> running the NT GPSDO for a few years and watching the Lucent box
> collect dust, I wonder if I have got that backward?
>
> The lucent has a 10 Mhz output on the front panel of the RB but the XO
> would need a tiny bit of modification to have 10 Mhz instead of the
> current 15 Mhz.
>
If it is similar to the Lucent RFTG-u REF1, then it has a 5 MHz MTI-260
oven.
I have modded my REF1 to deliver 10 MHz on 4 SMA outputs plus 1 PPS
LVCMOS in 50 Ohms on another SMA.
The recipe is here:
< http://www.hoffmann-hochfrequenz.de/downloads/DoubDist.pdf >
73,
Gerhard, DK4XP
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