life speed wrote:
From: Bruce Griffiths<[email protected]>
Subject: Re: [time-nuts] Advice on 10 MHz isolation/distribution
Its easy to calculate a lower bound to the amplifier phase noise floor
from the signal level at the output and the amplifier output noise due
to feedback resistors together with the amplifier input voltage and
current noise.
The actual phase noise floor may be a few dB higher.
Bruce
Yes, it is easy to calculate.
Clay
The calculation is useful to help eliminate amplifiers that will not
meet the phase noise floor specs.
The amplifiers that remain will then need to be tested/measured for
their actual phase noise.
Bruce
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