Keysight N8973B User Manual

Keysight NFA Series Noise Figure Analyzers Service Guide 473
Post-Repair Procedures
Post-Repair Procedures
Table 16-1 Post-Repair Testing Requirements
Assembly
Adjustments to Perform
(in the order listed)
a
Performance Verifications to Perform After
Adjustments
a
A1A2
Front Panel
Interface
None Residual Responses
Displayed Average Noise Level
A1A3
Liquid Crystal
Display
None Residual Responses
Displayed Average Noise Level
A2
Analog I.F.
Assembly
IF Frequency Response Power Bandwidth Accuracy
Resolution Bandwidth Switching Uncertainty
Residual Responses
Displayed Average Noise Level
I.F. Frequency Response
Absolute Amplitude Accuracy
Display Scale Fidelity
A3
Digital I.F.
Assembly
FPGA Synchronization
b
Power Bandwidth Accuracy
Resolution Bandwidth Switching Uncertainty
Residual Responses
Displayed Average Noise Level
I.F. Frequency Response
Absolute Amplitude Accuracy
Display Scale Fidelity
A4
CPU Assembly
BIOS Settings Verification
b
Set Instrument Time and Date
c
Residual Responses
Displayed Average Noise Level
A4BT1
Battery
BIOS Settings Verification
b
Set Instrument Time and Date
c
Residual Responses
Displayed Average Noise Level
A5
Disk Drive
d
Accept End User License Agreement (EULA)
b
Instrument Software Update
e
All Adjustments
d
Residual Responses
Displayed Average Noise Level
Frequency Response (All Tests)
A6
Power Supply
None Residual Responses
Displayed Average Noise Level
Spurious Responses
A7
Midplane board
None Residual Responses
Displayed Average Noise Level
A8
Motherboard
None Residual Responses
Displayed Average Noise Level

Keysight N8973B Specifications

General

Brand	Keysight
Model	N8973B
Category	Measuring Instruments
Language	English