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Step 1. Connect the test equipment as shown in Figure 2-4 on page 29.
Step 2. Set the Network Analyzer Start/Stop frequencies from 10 MHz to 500 MHz.
NOTE
Step 3. On the NFA ensure that the preset is set to the factory settings (press the
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
Step 7. Set the fixed frequency to 250 MHz (press the
Step 8. Restart the measurement sweep on the DUT (press the
Step 9. Set the Network Analyzer to autorange (press the
Step 10. Using the marker peak function on the network analyzer, determine the maximum
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
Measuring VSWR from 10 MHz to 500 MHz
Press the
key then
Start
Ensure the VNA
Correction
and
More
,
Power On/Preset
Preset
).
Fixed
,
,
).
Freq
2, 5, 0
MHz
displayed VSWR over the measured frequency range (press the
and
,
Mkr Search [ON]
specification.
Chapter 2
then press the
1, 0, M/µ;
and
functions are both set to
Interpol
,
Power On (Preset)
key and wait for the routine to finish
key and
Sweep
Frequency/Points
).
Search: Max
Test Descriptions
key and
Stop
5, 0, 0 M/µ
On
and
Preset (Factory)
).
Sweep Mode: Single
key and
Frequency/Points
key and
key).
Restart
key and
Scale Ref
Auto Scale
Marker Fct
Input VSWR
.
.
key
System
).
,
Freq Mode
Fixed
).
n key
31
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