82 Chapter 2
Test Descriptions
Instrument Noise Figure
Step 10. Ensure the trace is below the limit line and enter the overall pass/fail
result within the Test Record.
Step 11. Complete the Test Record by entering values at fixed frequency points on
the trace. These values are purely for reference to the historical data,
alternatively the screen could be saved to disk and archived, printed etc.
Step 12. Activate the markers function on the analyzer (press the
Marker key and
the
Marker 1, State and Normal menu items).
Step 13. Set the marker readout to 10 MHz, the first frequency with the Test
Record. Press
1, 0, MHz and enter the marker value in the Test Record
beside the corresponding frequency point.
Step 14. Repeat step 12 and step 13 for the remaining frequency points within the
Test Record, recording the marker reading at each point and ensuring
that the measured points are within the published specifications.
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