HP 8508A - Page 49

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Operation
Reflection
measurements
in
50
ohms
-
Probe
inputs,
dual
directional
coupler
Termination
Probe
Tee
Source
Dual Directional Coupler
CAL
Figure
3-20.
Reflection
Measurements
Setup
Equipment:
HP
8656B
Synthesized
Signal
Generator
*
HP 8508A Vector Voltmeter
HP
11570A
Accessory
Kit
(includes
2
HP
11536A
Probe
Tee
and
1
HP
908A
Termination)
HP
908A
Termination
(total
of
2
required)
HP
77xD
Dual
Directional
Coupler
(See
“Related
Products”
section
for
frequency
ranges)
HP
11851B
Cable
Kit
(1
cable
required
in
this
setup)
or
HP
11500B
RF
Cable
Adapter
from
type-N
to
DUT
if
required
Calibration
Standard
(Same
as
DUT
connector)
E1089
|
3-25