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Performance Tests – Option 011
9. Receiver Input Crosstalk
12
Press
SCALE REF
,
ELECTRICAL DELAY
. Turn the analyzer front panel knob to vary
the electrical delay until the trace is in the most linear horizontal position.
13
Press
MENU
,
TRIGGER MENU
,
SINGLE
. Write the p-p value, which appears on the
analyzer display, on the “Performance Test Record.”
14
Press
CONTINUOUS
,
MEAS
,
INPUT PORTS
,
A/R
.
15
.
16
Press
CONTINUOUS
,
MEAS
,
INPUT PORTS
,
B/R
.
17
.
In Case of
Difficulty
W A R N I N G
These servicing instructions are for use by qualified personnel only.
To avoid electrical shock, do not perform any servicing unless you are
qualified to do so.
W A R N I N G
The opening of covers or removal of parts is likely to expose
dangerous voltages. Disconnect the instrument from all voltage
sources while it is being opened.
W A R N I N G
The power cord is connected to internal capacitors that may remain
live for five seconds after disconnecting the plug from its power
supply.
1
Verify that the RF cables are in good condition. Move the RF cables to different
ports on the power splitter and remeasure the receiver input(s) that failed.
2
Perform the “Sampler Magnitude and Phase Correction Constants (Test 53)”
procedure in the “Adjustments and Correction Constants” chapter of the
Agilent 8753D Option 011 Service Guide
.
3
Refer to the
Agilent 8753D Option 011 Service Guide
for further
troubleshooting information.
9. Receiver Input Crosstalk
Perform this test to verify the signal leakage interference between the input
and output test ports, with one port driven and the other one terminated.
Summary of Contents for 8702D
Page 1: ...Agilent 8702D Lightwave Component Analyzer Installation Guide ...
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Page 89: ...4 33 Performance Tests 8 Test Port Crosstalk Figure 4 19 Agilent 8702D Bottom View ...
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