Agilent Technologies 4418B Service Manual page 151

Power meter
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Using the above values gives
Ci V
=
d
comp
d
Ci V
=
V 1
d
1
d
Ci
=
V 0
V 0
d
– ( )V
2
d
Ci R
PM
=
=
------------------------------------------------------------------------------------------- -
R
d
– ( )V comp V 1 V 0
d
Ci CF
=
PM
=
------------------------------------------------------------------------------------------- -
CF
d
– ( )V
d
Ci
=
PM
=
------------------------------------------------------------------------------------------- -
Ms
Ms
d
Agilent E4416A/E4417A Service Guide
Measurement Uncertainty Analysis – Power Reference Level Test
(
2 V 1 V 0
d
PM
=
---------------------------- -
V comp
4RCFM s
2V comp 2V 1
PM
=
----------------------------------------
4RCFM s
– ( )V
2
2V
+
comp
PM
------------------------------------------------ -
=
4RCFM s
(
)
V
V
+
V
comp
1
0
0
2
4R
CFM s
(
)
2
+
V 0
2
4RCF
M
s
(
)
2
V
V
+
V
comp
1
0
2
4RCFM M
Measurement Introduction
)
V
4
×
--- -
=
2.129
10
V
2
×
--- -
=
1.224
10
V
0
2
×
--- -
=
1.245
10
2
2
V
1
6
×
=
4.727
10
2
2
V 1
×
=
9.696
10
2
2
V
0
1
×
=
9.454
10
W
---- -
4
W
4
W
C-11

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