[time-nuts] xtal oscillator phase noise

Bruce Griffiths bruce.griffiths at xtra.co.nz
Sat Dec 29 21:42:19 EST 2007


The 30dB/decade phase noise slope could be the result of the effect of
low pass filtering a power supply or reference source that has
significant flicker noise.
Lack of local RF feedback and /or high dc gain from base to collector in
BJT buffer stages can produce significant flicker phase noise.


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