[time-nuts] fts 4050 performance

Christopher Hoover ch at murgatroid.com
Sun Jul 30 19:09:21 UTC 2006


Attached is what I'm seeing in terms of adev and mdev on my "new" FTS
4050.  
 
The performance is worse than I had expected, as compared to the
datasheet.
 
I'm not 100% confident in my test setup, but I'm not seeing any obvious
outliers in the data.

Test setup is as follows:
 
Counter: HP 53132A
Timebase: external, 10MHz from Z3801A
Start: 1 PPS from Z3801A, DC, 50Z, 2v5 trigger level
Stop: 1 MHz from FTS 4050, AC, 50Z, auto trigger

-ch
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