Chapter 2 37
Test Descriptions
Input VSWR
Measuring Input VSWR from 20000 MHz to 26500 MHz
Step 1. Connect the test equipment as shown in Figure 2-6 on page 35.
Step 2. Set the Network Analyzer Start/Stop to measure the DUT’s input VSWR
from 20000 MHz to 26500 MHz.
Press the
Start key and then 2, .,0, G/n; then press the Stop key and 2, 6, .,
5
, G/n
Step 3. Set the fixed frequency of the NFA to 23 GHz (press the Frequency/Points
key and then
Fixed Freq, 2, 3, GHz).
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] 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 20000 MHz to 26500 MHz is
within the published specification.
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