Table of Contents
Advertisement
6-12 Test 5. Amplitude Accuracy and Linearity
10 Disconnect the fiber-optic cable from the optical power
11 Set the optical attenuator for the value that you
12 Place the polarization controller in the auto scan mode.
13 Press the front-panel Preset key of the Agilent 86121.
14 Press List by Power, Appl's, and then DRIFT.
15 After two minutes, stop the auto scan function on the
16 Press the MAX-MIN softkey so that MAX is highlighted.
17 Press the MAX-MIN softkey so that MIN is highlighted.
18 Use the values recorded in
19 Change the attenuator to the settings shown in
20 Calculate the "Linearity" value for each row in the table
measurements.
After completing this step, the first two columns of the
table should be completely filled in.
meter and connect it to the OPTICAL INPUT connector of
the Agilent 86121A.
recorded in
Step
polarization controller.
Enter the maximum drift reading on the following line:
maximum drift: ____________
Enter the minimum drift reading on the following line:
minimum drift: ____________
to calculate the power-correction offset value as shown
in the following equation:
minimum drift
=
------------------------------------------------------------------------------------------ - Pwr
offset
Enter the calculated value on the following line:
power-correction offset: ____________
Table
6-1. For each setting, record the power measured
on the Agilent 86121A.
After completing this step, the table's column titled
"Agilent 86121A Power Reading" should be completely
filled in.
using the following equation:
Linearity
=
Power Meter Reading HP86121A
8.
Step
8,
+
maximum drift
2
Step
16, and
Step 17
–
–
–
offset
Advertisement
Table of Contents
