Keysight N9038A MXE Service Guide 267
L.O. Synthesizer
A14 L.O. Synthesizer Assembly Troubleshooting
Figure 7-3
1st LO Frequency and Amplitude
7.
Continue to change the instrument input frequency according to
to verify the 1st LO frequency and amplitude level across its tuning range.
If there is a problem with the frequency or amplitude of the 1st LO output signal, and the 4800
MHz Reference input signal is known to be good (See
Chapter 9, “Reference Assembly”
the A14 LO Synthesizer board itself is most likely at fault.
Table 7-3
Instrument Input versus 1st LO Tune Frequency
Instrument Input Frequency
1st LO Frequency
50 MHz
5,172.5 MHz
3.5 GHz
8,622.5 MHz
3.65 GHz
3,922.5 MHz
Содержание N9038A
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Страница 16: ...16 Contents ...
Страница 66: ...66 Keysight N9038A MXE Service Guide Boot Up and Initialization Potential Problems During Boot Process ...
Страница 130: ...130 Keysight N9038A MXE Service Guide Instrument Messages Condition Messages ...
Страница 216: ...216 Keysight N9038A MXE Service Guide RF Preselector Section RF Preselector Section Troubleshooting ...
Страница 268: ...268 Keysight N9038A MXE Service Guide L O Synthesizer A14 L O Synthesizer Assembly Troubleshooting ...
Страница 354: ...354 Keysight N9038A MXE Service Guide Analog Digital IF A3 Digital I F Troubleshooting ...
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Страница 407: ...Keysight N9038A MXE Service Guide 407 Block Diagrams Block Diagrams N9038A RF Input Option 503 508 526 Block Diagram ...
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Страница 428: ...Keysight N9038A MXE Service Guide 447 Block Diagrams Block Diagrams LO Synthesizer Block Diagram ...
Страница 429: ...448 Keysight N9038A MXE Service Guide Block Diagrams Block Diagrams Reference Block Diagram ...
Страница 430: ...Keysight N9038A MXE Service Guide 449 Block Diagrams Block Diagrams MXE Computer Block Diagram ...
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Страница 436: ...Keysight N9038A MXE Service Guide 455 Service and Diagnostics Menus Service Menus Figure 16 5 Alignments Menu ...
Страница 500: ...Keysight N9038A MXE Service Guide 519 Replaceable Parts Hardware Figure 17 23 Front Frame Exploded View LED Backlight ...
Страница 504: ...Keysight N9038A MXE Service Guide 523 Replaceable Parts Hardware Figure 17 26 Front Frame Exploded View CCFL Backlight ...
Страница 589: ...608 Keysight N9038A MXE Service Guide Assembly Replacement Procedures Motherboard Assembly Figure 18 57 Bottom Screws ...
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Страница 643: ...662 Keysight N9038A MXE Service Guide Instrument Software Software Updates ...
Страница 741: ...760 Keysight N9038A MXE Service Guide Tests Intermittent Unsteady Drifting Disturbances ...