Agilent Technologies N5242A, Руководство по обслуживанию

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Service Guide N5242-90001 4-37
PNA Series Microwave Network Analyzers Troubleshooting
N5242A Measurement System Troubleshooting
Checking the Receiver Group
Equipment Used for These Tests
For all of the following checks, refer to the block diagrams at the end of this chapter and to
any of the following that are appropriate:
• “Bottom Assemblies, Standard 2-Port Configuration, Option 200” on page 6-18
• “Bottom RF Cables, Standard 2-Port Configuration, Option 200” on page 6-20
• “Bottom Assemblies, 2-Port, Option 219 (including Option 029)” on page 6-24
• “Bottom RF Cables, 2-Port, Option 219 without Option 029” on page 6-26
• “Bottom Assemblies, 2-Port, Option 224 (including Option 029)” on page 6-32
• “Bottom RF Cables, 2-Port, Option 224 without Option 029” on page 6-34
• “Bottom Assemblies, Standard 4-Port Configuration, Option 400” on page 6-40
• “Bottom RF Cables, Standard 4-Port Configuration, Option 400” on page 6-42
• “Bottom Assemblies, 4-Port, Option 419 (including Option 029)” on page 6-46
• “Bottom RF Cables, 4-Port, Option 419 without Option 029 (Ports 1 and 2)” on
page 6-48
• “Bottom RF Cables, 4-Port, Option 419 without Option 029 (Ports 3 and 4)” on
page 6-52
• “Bottom Assemblies, 4-Port, Option 423 (including Option 029)” on page 6-58
• “Bottom RF Cables, 4-Port, Option 423 without Option 029 (Ports 1 and 2)” on
page 6-60
• “Bottom RF Cables, 4-Port, Option 423 without Option 029 (Ports 3 and 4)” on
page 6-64
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 front and rear panel connections
except installed jumpers.
3. Remove the outer and inner covers from the analyzer. Refer to “Removing the Covers”
on page 7-6 .
Equipment Type
Model or
Part Number Alternate Model
or Part Number
Spectrum analyzer 8565E
856xE
a
a. Must be capable of measuring signals at 7.61 MHz and 1 GHz.