Chapter 2 33
Test Descriptions
Input VSWR
Calibrating the Vector Network Analyzer 2 from 3 GHz to 6.7 GHz
or 26.5 GHz
Step 1. Press the
Preset key on the Vector Network Analyzer.
Step 2. Set the Active Channel to 1 (press
Chan 1).
Step 3. Set the measurement mode to S11 (press the
Meas key and Reflection).
Step 4. Set the start and stop frequencies.
The start and stop frequencies depend on the frequency range of the
NFA:
For the N8974A (frequency range 3 GHz to 6.7 GHz): press
Start, 3, G/n
then
Stop, 6, ., 7, G/n
For the N8975A (frequency range 3 GHz to 26.5 GHz): press Start, 3, G/n
then
Stop, 2, 6, ., 5, G/n
Step 5. Set the measurement format to SWR (press the Format key and SWR).
Step 6. Set the number of measurement points to 401 points (press the
Sweep
Setup
key, and NUMBER of POINTS, 4, 0, 1, x1
Step 7. Set the power level to -30dBm (press the Sweep Setup key and Power, -, 3,
0, x1
Step 8. Connect the type adapter and the µWave cable to port 1 as shown in
figure inFigure 2-5.
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