[time-nuts] Need Fluke 6071A synthesizer info

ed breya eb at telight.com
Mon Oct 14 15:44:12 UTC 2013


I recently acquired a Fluke 6071A, and have found some pieces of the 
service and operating manuals, but not the schematics. Does anyone 
know where the schematics can be found? This unit looks pretty good 
except the "FREQ" and "UNCAL" indicators are flashing. I managed to 
decipher enough of the diagnostic error code info to find the 
"sub-synthesizer" loop is unlocked, and I hope that adjustment of its 
VCO will fix it. This section is of course buried inside the inner 
layers of the RF deck stack, so will be tricky to get at and rig for 
temporary running while opened up. The manual info is good for 
figuring this out, but the schematics would of course be a big help 
for this and future maintenance.

Is there any kind of fluke-nuts group on febo.com? I think there's a 
fluke group at yahoo, but that stupid neo form of groups interface is 
so screwed up that I'm reluctant to join any more yahoo groups. I 
will probably have to try anyway for this one.

I also vaguely recall that in recent months this model was noted as 
being pretty good in terms of phase noise for time-nuts purposes, but 
I couldn't find it in the discussions.

Ed




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