200 Keysight Technologies N9040B UXA Signal Analyzer Service Guide
Analog/Digital IF Troubleshooting
A3 Digital IF Troubleshooting
A3 Digital IF Troubleshooting
Verifying the 22.5 MHz Input Power
1.
Perform an instrument shutdown.
2.
Remove the cover of the UXA Signal Analyzer. Refer to
“Assembly Replacement Procedures”, on page 347
in this service guide.
3.
Turn the instrument over so that the bottom side of the analyzer is facing
up.
4.
Turn on the UXA Signal Analyzer and wait for the instrument to complete
the boot up process.
5.
Press
System
,
Alignments
,
Auto Align
,
Off
. Press
X
6.
Press the pull down menu.
7.
Press
Input/Output
,
RF Calibrator
,
50 MHz
8.
Verify the 50 MHz signal is at
−
25 dBm by pressing
FREQ
,
50 MHz
,
SPAN
,
1 MHz
,
Peak Search
on the analyzer. The marker readout should be 50
MHz at
−
25 dBm
±
3 dB. If this reference signal is measuring incorrectly,
see
Chapter 4, “RF Section Troubleshooting (RF/Microwave Analyzers)”,
9.
To continue verifying press
SPAN
,
Zero Span
. Verify the input attenuator
on the UXA is set to 10 dB. Look near the top of the display near the center
and verify
Atten: 10 dB
is visible. If needed change the input attenuator by
pressing
AMPTD
,
Attenuation
,
10 dB
on the analyzer.
Содержание N9040B Option 513
Страница 4: ...4 ...
Страница 138: ...138 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Instrument Messages Condition Messages ...
Страница 240: ...240 Chapter 11 Hardware Options A21 Wideband Analog IF Troubleshooting Figure 11 1 Analog IF Block Diagram ...
Страница 256: ...256 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Block Diagrams Block Diagrams Block Diagrams ...
Страница 306: ...306 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Replaceable Parts Figure 14 2 External Hardware ...
Страница 338: ...338 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Replaceable Parts Figure 14 28 Chassis ...
Страница 346: ...346 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Replaceable Parts ...
Страница 502: ...502 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Post Repair Procedures ...
Страница 532: ...532 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Functional Tests Scale Fidelity ...
Страница 536: ...536 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Instrument Software Software Updates ...
Страница 541: ...Index Index 541 Y yellow LED 48 51 yig filter see A12 YTF YTF see A12 YTF ...