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User Interface Reference
The Measurement Parameters
Measure Mode
LCA System Settings
74
A 2-port network analyser can only support single-ended
measurements. Selecting the Measure Mode is only possible if
you have a 4-port network analyzer (applies to 4-port PNA only).
Differential
If you select this mode, means the LCA uses a differential
electrical input or output for this measurement.
Whether the differential signal is the input to the DUT or the
output from the DUT, this uses ports 2 and 3 of a four port
network analyzer.
Single-Ended
If you select this mode, the LCA uses a single-ended electrical
input or output for this measurement.
The electrical input to the DUT is Port A of the optical test set.
The electrical output from the DUT is port B of the optical test
set.
Wavelength (nm)
• If you have not selected to use the optional External Input,
select the wavelength of the laser source and the optical
power meter use for measurements.
Keysight N4373D Lightwave Component Analyzer, User's Guide
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