554 N9030B PXA Signal Analyzer Service Guide
Post-Repair Procedures
Post-Repair Procedures
A9 & A10
RF Attenuators
Hardware Statistical Reset Utility
50 MHz Calibrator Adjustment
Frequency Response (All Adjustments)
Attenuator Slope
Residual Responses
Displayed Average Noise Level
Spurious Responses
Third Order Intermodulation
Absolute Amplitude Accuracy
Input Attenuation Switching Uncertainty
Frequency Response (All Tests)
A11
Low Band Switch
Frequency Response (All Tests)
Attenuator Slope
Residual Responses
Displayed Average Noise Level
Spurious Responses
Third Order Intermodulation
Second Harmonic Distortion
Absolute Amplitude Accuracy
Frequency Response (All Tests)
A12
YTF Preselector
YTF Alignment (Press
System,
Alignments, Ad vanced,
Characterize Preselector)
Frequency Response (All Adjustments)
Attenuator Slope
Effective DANL (NFE)
Characterize Noise Floor (NF2)
If instrument frequency range is > 26.5 GHz
software revision A.11.03 or greater is
required.
Residual Responses
Displayed Average Noise Level
Spurious Responses
Third Order Intermodulation
Second Harmonic Distortion
Absolute Amplitude Accuracy
Frequency Response (All Tests)
A13
Front End
Assembly
Frequency Response (All Tests)
Attenuator Slope
TOI Adjustment
Effective DANL (NFE)
Characterize Noise Floor (NF2)
Front End Controller Attenuator Adjustment
Residual Responses
Displayed Average Noise Level
Spurious Responses
Third Order Intermodulation
Second Harmonic Distortion
Absolute Amplitude Accuracy
Frequency Response (All Tests)
Effective DANL
A14
Synthesizer
Assembly
Instrument Software Update (must be A.04.29
or later)
FPGA Synchronization
b
Residual Responses
Displayed Average Noise Level
Spurious Responses
Phase Noise (All Tests)
Frequency Response (All Tests)
Table 17-1 Post-Repair Testing Requirements (Continued)
Assembly
Adjustments to Perform
(in the order listed)
a
Performance Verifications to Perform After
Adjustments
a
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