Keysight NFA Series Performance Verification And Calibration Manual page 49

Measuring VSWR from 10 MHz to 500 MHz
Step 1. Connect the test equipment as shown in Figure 2-4 on page 28.
Step 2. Set the Network Analyzer Start/Stop frequencies from 10 MHz to
500 MHz.
Press the
Step 3. On the NFA ensure that the preset is set to the factory settings (press
the
System
Preset (Factory)
Step 4. On the NFA press the
Step 5. Set sweep to single (press the
Step 6. Set the frequency mode to fixed (press the
,
Freq Mode
Step 7. Set the fixed frequency to 250 MHz (press the
,
Fixed Freq
Step 8. Restart the measurement sweep on the DUT (press the
Step 9. Set the Network Analyzer to autorange (press the
Auto Scale
Step 10. Using the marker peak function on the network analyzer, determine the
maximum displayed VSWR over the measured frequency range (press
the
Marker Fct
Step 11. Record the maximum displayed signal frequency and VSWR on the Test
Record.
Step 12. Verify that the measured VSWR from 10 MHz to 500 MHz is within the
published specification.
Chapter 2
key then
Start 1, 0, M/µ;
key and ,
More Power On/Preset
).
key and wait for the routine to finish
Preset
).
Fixed
, ).
2, 5, 0 MHz
).
n key and
Mkr Search [ON]
then press the
Stop
,
Power On (Preset)
key and
Sweep Sweep Mode: Single
Frequency/Points
Frequency/Points
,
Search: Max
Test Descriptions
Input VSWR
key and
5, 0, 0 M/µ
and
).
key and
key and
key).
Restart
key and
Scale Ref
).
.
29