HP 8901B Operation And Calibration Manual page 368

Performance Tests Model 8901B
9. Compute the power
(P
i n watts) from the equation
P =
2VCOMF(Vl
-
vo>
+vi?
-
v;"
4RH
where
H
is the effective efficiency of the thermistor mount at 50 MHz as read from its label and
R
is the resistance measured i n step 1. The computed power should be between 0.988 and 1.012 mW.
RF
Power Reference Power: 0.988 1.012 mW
4-28
Performance Test
7