Keysight N5244A/45A Service Guide 4-33
Troubleshooting
Measurement System Troubleshooting
Click the
Hard ware
tab, click
Device Manager
, and then expand
Keysight PNA DSP Device
in the resulting list. The following entry
should be listed:
Keysight Technologies DSP Driver #2
and should
be enabled.
2. If the entry is not present or if the icon to the left of the name is a
yellow box containing an exclamation mark (!), navigate the following
directories and verify the presence of the following file:
C:\WINNT\system32\drivers\spampnp.sys
.
3. If you have verified that the DSP driver is present and enabled, but all
traces are still missing in all bands, go to
.
—
If the traces exhibit power drops in some frequency bands
, the problem is
“Source Group Tests” on page 4-34
and perform
the tests that correspond to the problems seen.
Single Trace (A, B, C, D, R1, R2, R3, or R4) Only
If the trace is missing in all bands or has notches or roll-off, go to
the Signal Separation Group” on page 4-39
A, B, R1, and R2 Traces Only
The problem is in the source 1 group, go to
“Checking the Source Group” on
C, D, R3, and R4 Traces Only
The problem is in the source 2 group, go to
Содержание PNA-X N5244A
Страница 10: ...8 Keysight N5244A 45A Service Guide Contents ...
Страница 90: ...3 62 Keysight N5244A 45A Service Guide Tests and Adjustments Adjustments 3 ...
Страница 146: ...4 56 Keysight N5244A 45A Service Guide Troubleshooting Instrument Block Diagrams Sheet 4 4 ...
Страница 155: ...Keysight N5244A 45A Service Guide 5 9 Theory of Operation Synthesized Source Group Operation Figure 5 3 Source Group ...
Страница 174: ...5 28 Keysight N5244A 45A Service Guide Theory of Operation Receiver Group Operation 5 Figure 5 6 4 Port Receiver Group ...
Страница 175: ...Keysight N5244A 45A Service Guide 5 29 Theory of Operation Receiver Group Operation Figure 5 7 2 Port Receiver Group ...
Страница 188: ...5 42 Keysight N5244A 45A Service Guide Theory of Operation Noise Measurement Group Operation Option 029 5 ...
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Страница 472: ...8 18 Keysight N5244A 45A Service Guide General Purpose Maintenance Procedures Correction Constants 8 ...
Страница 504: ...32 Keysight N5244A 45A Service Guide Index ...
Страница 505: ...Installation Note Xxxxx xxxxx 3 ...