3 Functions and Measurements
76 N9342C/43C/44C User’s Guide
Cable & Antenna Test
Press [MODE] > {Cable&Antenna Test} to access the
cable and antenna measurement submenu. There
are three different measurement mode for your
selection:
• Reflection measurement
• One port cable loss
• Distance to fault
Preparation
Before making a measurement in a specific mode,
the HSA requires a calibration to make sure the
measurement accuracy. A new calibration must be
performed if any components used in the
calibration setup are changed. For example, a short
coaxial cable used to connect the tester to the DUT
Press [Freq] and [Span] to set the measurement
frequency range. It is best to keep the calibration
frequency range as close as possible to the actual
sweep frequencies necessary for the measurements.
Calibrating over a larger frequency range than the
actual measurement range will reduce the accuracy
of the test results.
Calibrators
The calibrator are available with the option CA7:
T-combo calibrator This is a T- shaped mechanical
calibrator. It consists of a calibrated open, short
and 50 Ω load. Using the T- combo calibrator will
result in a more accurate calibration than when
using the an electronic calibrator.
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