Radar Field Analyser - RFA641 Edition Date: 28-Feb-18
2. SELF-TEST/CALIBRATION
2.1. Theory
The RFA Self-test tests the most important components and building blocks of the RFA641 and performs a
calibration of the transmitter at the selected frequency. It is advised to perform a Self-test/Calibration before
any measurements are taken using the RFA641 transmitter.
The two methods for the calibration of the RFA internal transmitter are:
1. Internal: The RFA's internal linear receiver is used to measure the relative power level for the
modulators. The maximum power is derived from the calibration file.
2. External: The log RF module is used to perform absolute power level measurements and is used to
build the modulator table.
2.2. Software
2.2.1. Getting Started
The Self-test and Calibration software can be loaded from the RASS-S Toolbox using the Uplink button.
The software will guide you through the necessary set-up and actions to be taken.
When the RFA641 is found, the RFA Cal Info field will display the device name, serial number and last
calibration date as retrieved from the RFAs internal EPROM.
IE-UM-00165-005 RFA641 User Manual.odt 16/110
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