Keysight N5224B/25B Service Guide 3-17
Tests and Adjustments
Preliminary Checks
Figure 3-6
Typical Cable Insertion Loss Response
If the Cable Insertion Loss Check Fails
1.
Clean the cable and devices and torque to specification. Repeat the check.
2.
If the check still fails, the cable should be repaired or replaced.
Cable Magnitude and Phase Stability Check
1.
With the test port cable still connected to Port 1, connect a short to the
other end of the cable.
2.
Press UTILITY
.
3.
Press TRACE/CHANNEL
, then
. In the New Trace
dialog box, click the S11 box, and then click OK.
4.
Press RESPONSE
, then
, then ENTRY
.
5.
Press RESPONSE
. Verify that
is ON. If not, press
the
softkey to toggle it ON.
The Averaging Factor box will appear directly above the display. In the
Averaging Factor box, type 50 or click the arrows to select 50, and then
press ENTRY
.
Preset
Traces
New Trace
...
Format
Phase
Enter
Avg
Average ON/off
Average on/OFF
Enter
Содержание N5224B
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Страница 212: ...5 50 Keysight N5224B 25B Service Guide Theory of Operation Receiver Group Operation 5 Figure 5 17 4 Port Receiver Group...
Страница 213: ...Keysight N5224B 25B Service Guide 5 51 Theory of Operation Receiver Group Operation Figure 5 18 2 Port Receiver Group...
Страница 220: ...5 58 Keysight N5224B 25B Service Guide Theory of Operation Power Supply Group Operation 5...
Страница 225: ...Keysight N5224B 25B Service Guide 6 5 Replaceable Parts Rebuilt Exchange Assemblies Figure 6 1 Module Exchange Procedure...
Страница 490: ...6 270 Keysight N5224B 25B Service Guide Replaceable Parts Replaceable Parts Listings 6...
Страница 608: ...8 102 Keysight N5224B 25B Service Guide General Purpose Maintenance Procedures Correction Constants 8...
Страница 612: ...Appendix 4 Service Guide EEPROM Address Assignments and Location N5224 5A B PNA and N5244 5A B PNA X Instruments...
Страница 613: ...Installation Note Xxxxx xxxxx 3...