Section 3 Getting Started
3-8
3.5 Calibration
Perform calibration before measurement. This flattens the frequency characteristics
of the level accuracies for the input/output levels to calibrate level accuracy error due
to internal temperature change.
Band Calibration and Full Calibration can be performed by a single MT8820A unit.
Band Calibration performs calibration within the band of the communication system
supported by the measurement software. Full Calibration performs calibration
within the input/output band for MT8820A (30 to 2700 MHz).
It is best to conduct Band Calibration each time the machine is tested. Full Calibra-
tion takes care of the same items in Band Calibration but takes more time. Full
Calibration is performed after power is turned on or at a performance test.
Note:
Wait at least 60 minutes after turning the power on before performing Full
Calibration.
After performing Full Calibration once, perform Band Calibration at any time
between measurements, such as when replacing phones.
Example:
To perform calibration at MT8820A input/output band
[Procedure]
1. Press
Next
to display the function menu containing the Full Calibration
menu.
Fig. 3-5-1 Full Calibration menu
2. Press
F6
: Full Calibration to perform calibration.
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