[time-nuts] Low Phase Noise buffer
WarrenS
warrensjmail-one at yahoo.com
Fri Feb 19 09:02:45 UTC 2010
T&F Nut question
Is the high frequency phase noise of a buffer important when the Oscillator
is used just as the Reference for taking ADEV data?
The current (2005) writings say that ADEV phase data should be bandpass
filtered which removes all the High freq edge jitter.
If that is the case, Does a buffer's added HIGH FREQUENCY phase noise and
jitter have any effect on the ADEV numbers when using modern, high
resolution, mixer type, Time interval counters? Of course the low frequency
type of buffer noise would still be important.
Previously there was some confusion and disagreement on the subject. What
are the latest opinions?
ws
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