Agilent Technologies E4416A Service Manual page 168

Ci
R
Ci
CF
Ci
M
s
E4416A/E4417A Power Meters Service Guide
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Measurement Uncertainty Analysis - Power Reference Level Test
– ( )V
2
d
comp
------ - PM
= = ---------------------------------------------------------------------------
dR
( )V
2 –
d
---------- - PM
= = ---------------------------------------------------------------------------
dCF
– ( )V
2
d
comp
--------- - PM
= = ---------------------------------------------------------------------------
dM
s
2 2
( )
V – V + V – V
1 0 0 1
=
4RCFM
s
2 2
( )
V – V + V – V
comp 1 0 0 1
2
4RCF M
s
2 2
( )
V – V + V – V
1 0 0 1
=
2
4RCFM
M
C
W
– 6
×
---- -
– 4.727 10
Ω
4 –
×
= – 9.696 10 W
4 6 ( )
–
×
– 9.454 10 W
C-147