Agilent Technologies E8362B Service Manual page 139

PNA Series Microwave Network Analyzers
E8362B, E8363B, E8364B
Checking the A13 Frequency Offset Receiver Band 0 Output
Perform this procedure if you observe a problem in band 0 and all signals from the A12
source 20 output are present.
1. Refer to the block diagram at the end of this chapter and to
Options" on page
output.
CAUTION Be careful not to damage the center pins of the semirigid cable. Some flexing
of the cables is necessary to measure the output.
2. Disconnect the flexible cable at the frequency offset receiver.
3. Connect the spectrum analyzer to the frequency offset receiver connector J6.
4. Set the network analyzer to a CW frequency of 25 MHz.
• The spectrum analyzer should measure a signal at 1.04 MHz.
5. If the measured signal is not present, Replace the A13 receiver. Refer to
Replacing the A13 Frequency Offset Receiver Assembly" on page
6. If the signals are present, reconnect W116, and then continue with
and A46 Switches (Option 081 Only)" on page
Checking the A45 and A46 Switches (Option 081 Only)
NOTE Before continuing, perform the Operator's check
page 3-11. If the instrument passes the operator's check then the A45 and
A46 switches are ok.
If you are still experiencing problems, and your instrument has passed all
troubleshooting tests to this point, then contact Agilent (refer to
Agilent" on page
Perform this procedure if the instrument has passed all the frequency offset receiver tests
but fails the operator's check and the problem appears to be at the A45 or A46 switches.
• Refer to the block diagram at the end of this chapter, to
014/080/081" on page
Locate the semirigid cable W60 on the front panel. Locate the semirigid cables W96 and
W99 at the A45 switch input and A45 output respectively.
CAUTION Be careful not to damage the center pins of the semirigid cable. Some flexing
of the cables is necessary to measure the output.
1. Disconnect the W60 semirigid cable from the front panel.
2. Connect the spectrum analyzer to the
3. From the
Channel
. Click
through R1 loop
4. Set the network analyzer to a CW frequency of 1 GHz.
Service Guide E8364-90026
6-64. Locate the flexible cable W116 at the frequency offset receiver
2-13).
6-44, and to "Bottom Flexible Cables, All Options" on page
menu, click . In the
Test Set
.
OK
Measurement System Troubleshooting
4-57.
"Bottom Assemblies, Options
port.
Source Out
dialog box, click
Test Set
Troubleshooting
"Bottom Flexible Cables, All
"Removing and
7-24.
"Checking the A45
"The Operator's Check" on
"Contacting
External: flow
6-64.
4-57