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7. Adjust the power level for an indication of
not
Do
readjust the power level for the remainder of this test.
Characterizing the Source
8. On the source, press
Performance Test Record
on the
example:
CW
0.01
5
5
9. Using the CAL FAC OR chart on the power sensor, set the CAL FAC OR %
dial on the power meter to the value indicated for the test frequency as
needed. Use the nearest frequency value.
10. Note the reading on the power meter.
11. Record this value and the test frequency in the
12. Repeat steps 9 and 10 until the source is characterized to your satisfaction.
Characterizing the Detector
13. Disconnect the power meter/sensor.
14. On the analyzer, zero the detector by pressing
When the zero is complete, the display will indicate:
15. Connect the detector between the attenuated output of the source and
INPU A of the analyzer.
16. On the analyzer, press
FUNC ION
CURSOR
17. On the source, press
Remember to use only the test frequencies used in steps 9 through 11.
Note the value indicated by the analyzer's cursor display and record it in
Performance Test Record
the
Repeat this step until all of the same frequency points have been
characterized.
Computing the Maximum Error
18. Using the values recorded in steps 11 and 17, subtract the value in step
11 from the value in step 17 for each of the test frequencies. Record the
di erence in the space provided on the
4-14
Performance T ests
and enter the desired test frequency as indicated
CW
5
located at the end of this chapter. For
.
GHz
5
to switch channel 2 OFF. Press
CHAN 2 OFF
to switch the cursor ON.
5
and enter the value of the rst test frequency.
CW
5
.
Performance Test Record
0
10 dBm on the power meter.
Performance Test Record
DC DET ZERO AUTOZRO
AUTOZERO COMPLETED
.
Ag lent 85025A/B/D/E
.
.
.
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