Keysight Technologies E4417A Service Manual page 149

Power
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Ci R
Ci CF
Ci M
Keysight E4416A/E4417A Power Meters Service Guide
Measurement Uncertainty Analysis - Power Reference Level Test
– ( )V comp V 1 V 0
2
d
- - - - - PM
=
=
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
dR
d
- - - - - - - - PM
=
=
dCF
d
- - - - - - - - PM
=
=
dM s
s
) V 0
(
4RCFM s
– ( )V comp V 1 V 0
2
(
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
2
4RCF
– ( )V comp V 1 V 0
2
(
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
4RCFM M
2
2
+
V 1
=
4.727
2
2
) V 0
+
V 1
=
M s
2
2
) V 0
+
V 1
=
9.454
2
C
6
– W
×
10
- - - -
Ω
4
9.696
10
W
×
4 6 ( )
×
10
W
159

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