30 Chapter 2
Test Descriptions
Input VSWR
Measuring VSWR from 500 MHz to 1000 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 500 MHz to
1000 MHz.
Press the
Start key and then 0, ., 5, G/n; then press the Stop key and 1, ., 0,
G/n
Step 3. Set the fixed frequency of the NFA to 750 MHz (press the
Frequency/Points key and Fixed Freq, 7, 5, 0, MHz).
Step 4. Restart the measurement sweep on the DUT (press the
Restart key).
Step 5. Using the marker peak function on the network analyzer, determine the
maximum displayed VSWR over the measured frequency range (press
the
Marker Fctn key, Mkr Search [ON] and then Search: Max).
Step 6. Record the maximum displayed signal frequency and VSWR on the Test
Record.
Step 7. Verify that the measured VSWR from 500 MHz to 1000 MHz is within
the published specification.
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