User`s guide

Agilent 81618A/9A and Agilent 81623B/4B/6B/8B Optical Heads, Fourth Edition
37
4
Performance Tests
The procedures in this section test the performance of the instrument. The
complete specifications to which Agilent 81623B/4B/6B/8B Optical
Heads are tested are given in “Specifications” on page 23. All tests can be
performed without access to the interior of the instrument. The test
equipment given corresponds to tests carried out with Diamond HMS - 10
connectors.
Equipment Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Test Recor d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Test Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Instrument Specification. . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Functional Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Performance Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
For 81628B only. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Accuracy Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Linearity Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Noise Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Return Loss Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Relative Uncertainty due to Polarization (Optional Test) . . . . . 60
Relative Uncertainty due to Interference (Optional Test) . . . . . 62
Calculation Sheets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78