[time-nuts] FE 5680A results

EWKehren at aol.com EWKehren at aol.com
Mon Nov 28 20:36:23 UTC 2011


As part of testing the FE 5680A  for aging over two weeks, all I can  say 
that the rate is  low (2 E-12?), since temperature sensitivity masks  aging. 
Performing temperature tests, I get 4.3 E-12  per degree C. I plan  to 
temperature control the heatsink and perform additional tests and start the  
aging test over. Also worth mentioning is that when the heatsink is at 32.5 C  
the top of the unit at its center is 52.6 C !
Bert Kehren


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