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Repeatability
CAUTION
Connector Care and Preventive Maintenance
Using, Inspecting, and Cleaning RF Connectors
Using, Inspecting, and Cleaning RF Connectors
Taking proper care of cables and connectors will protect your system's
ability to make accurate measurements. One of the main sources of
measurement inaccuracy can be caused by improperly made connections or
by dirty or damaged connectors.
The condition of system connectors affects measurement accuracy and
repeatability. Worn, out-of-tolerance, or dirty connectors degrade these
measurement performance characteristics. For more information on
connector care, please refer to the documentation that came with your
calibration kit.
If you make two identical measurements with your system, the differences
should be so small that they will not affect the value of the measurement.
Repeatability (the amount of similarity from one measurement to another of
the same type) can be affected by:
•
Dirty or damaged connectors
•
Connections that have been made without using proper torque
techniques (this applies primarily when connectors in the system have
been disconnected, then reconnected)
Static-Sensitive Devices
This system contains instruments and devices that are static-sensitive.
Always take proper electrostatic precautions before touching the center
conductor of any connector, or the center conductor of any cable that is
connected to any system instrument.
Handle Agilent Technologies instruments and devices only when wearing a
grounded wrist or foot strap. When handling devices on a work bench, make
sure you are working on an anti-static worksurface.
A-2 Agilent Technologies E5500 Phase Noise Measurement System
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