HP 3336A Operating Manual page 125

j. Using the following formula, compute the integrated phase noise of the 3336:
Vref - Vnoise - 1.05 dB - 3 dB = integrated phase noise @
NOTE
Subtract the 1.05 dB term in the formula above only if you are
using an averaging voltmeter. Do not subtract 1.05 dB if you
are using a true rms meter.
AC VOLTMETER
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oo oooo0oo
ey ee ee eee ee roo
Jott
tay
J j4J/ahooii4
75 to 50:2 MINIMUM LOSS
IMPEDANCE MATCHING PAD
REFERENCE SYNTHESIZER
REF
FEEDTHRU
OUTPUT TERMINATION
DC VOLTMETER
4-40