Application Notes

Reading Magnus®-S Sensors

AN002: Magnus®-S RFID chips offer up to three unique pieces of information to the reader: a Sensor Code, which is an indicator of the impedance seen at its RF input, an On-Chip RSSI Code, which indicates how much power the tag is receiving from the reader, and a Temperature Code, which can be converted to an accurate reading of the temperature at the die. This note describes the procedures for reading these codes.
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Sensor and Temperature Measurements

AN006: Sensor tags based on Magnus®-S produce a Sensor Code which gives information about the sensor tag’s environment. In addition, Magnus®-S3 chips can generate a Temperature Code indicating the chip temperature. To maximize the precision of sensor and temperature measurements, the user should understand and account for effects related to the reader transmission frequency, the amount of power received by the sensor tag, averaging, and command timing. This note describes best practices for maximizing the accuracy of measurements with Magnus®-S.
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Axzon (formerly RFMicron)

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