Test 2. Power Stability - Agilent Technologies 83438A User Manual

Description
Procedure
1 Turn on the Agilent 83438A and the power meter. Allow them to warm up for
2 Connect a power meter to the Agilent 83438A's front-panel OPTICAL OUT
3 Remove any BNC termination on the rear-panel MODULATION INPUT connector.
4 Configure the power meter to measure total drift in output power over 15
5 After 15 minutes have passed, the total output power should not have drifted
6 Configure the power meter to measure total drift in output power over 6 hours.
7 After 6 hours have passed, the total output power should not have drifted more
Servicing
Performance Tests

Test 2. Power Stability

Power stability is verified using a power meter (> 30 dB return loss)
This test must be performed in a stable environment where the ambient tem-
perature changes less than 1°C throughout the test.
one hour.
connector.
minutes. Start the test.
more than ±0.02 dB. Record the maximum drift on the following line:
Maximum drift (15 minutes): ____________ dB
than ±0.05 dB. Record the maximum drift on the following line:
Maximum drift (6 hours): ____________ dB
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