Checking The Frequency Offset Group (Option 080) - Agilent Technologies E8362C Service Manual

Troubleshooting
Measurement System Troubleshooting

Checking the Frequency Offset Group (Option 080)

CAUTION This section troubleshoots only those circuits specifically related to the frequency offset
group (option 080). Please refer to
to the appropriate standard S-parameter test—with frequency offset mode off—before
proceeding with this section.
Frequency Offset Group Tests
NOTE A defective A22 switch splitter can exhibit the same symptom as a faulty source. Therefore,
if it is determined that the source is functioning properly, you are directed to
Signal Separation Group" on page
Equipment Used for These Tests
Equipment Type
Spectrum analyzer
RF cable, 3.5 mm (f) to 3.5 mm (f)
RF cable, 2.4 mm (f) to 2.4 mm (f)
Adapter, 3.5 mm (f) to 3.5 mm (f)
Adapter, 2.4 mm (f) to 2.4 mm (f)
1. Must be capable of measuring signals from 1 MHz to 2.008 GHz.
Getting Ready to Test
Before checking the assemblies, you must open the analyzer.
CAUTION Use an antistatic work surface and wrist strap to reduce the chance of electrostatic
discharge for all of the procedures in this chapter.
1. Turn off the analyzer power.
2. Unplug the power to the analyzer and disconnect all rear panel connections.
3. Remove the covers from the analyzer. Refer to
4. With the covers off, plug in the analyzer and turn on the power.
5. From , click
Channel Frequency Offset
box to select. Click
OK
Checking the A10 5 MHz Reference Output
1. Refer to the block diagram at the end of this chapter and to
on page 6-20. Locate flexible cable W115, at the A10 frequency reference board.
2. Disconnect W115 from A10J11.
3. Connect the spectrum analyzer to A10J11.
4-44
"Where to Begin Troubleshooting" on page 4-27
4-38.
Models
Used With
All
E8362C
E8363C, E8364C
E8362C
E8363C, E8364C
. In the
Frequency Offset
.
PNA Series Microwave Network Analyzers
Model or
Part Number
8565E
85131C
85133C
83059B
11900B
"Removing the Covers" on page
dialog box, click in the
"Top Cables–All, All Options Including 080"
E8362C, E8363C, E8364C
and refer
"Checking the
Alternate Model or
Part Number
1
856xE
Any
Any
85052-60012
85056-60007
7-6.
Frequency Offset on/off
Service Guide E8364-90038