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Determine if a Calibration is Necessary
This section shows you how to determine if your measurement system
requires a user-dehned calibration.
Your test doesn't require the best accuracy possible.
l
Your test device is connected directly to the reflection port with no adapters
l
or intervening cables.
Your test device impedance matches the impedance of the analyzer.
l
If your test setup meets these conditions, you do not need to perform any
additional calibrations, however without a user-calibration, the analyzer is not
guaranteed to meet its published measurement port specifications.
You want the best accuracy possible.
l
You are adapting to a different connector type or impedance.
l
You are connecting a cable between the test device and the analyzer test
l
ports.
You are measuring a narrowband or electrically long device.
l
You are connecting any attenuator or other such device on the input or
l
output of the test device.
6-7
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