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.

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.

Reading Rotating Sensors

AN010: Wireless Smart Passive Sensing™ devices from Axzon are a good way to measure temperature on spinning surfaces. Wired systems require complex cable management strategies and even then, need robust cables that can handle many cycles of bending and twisting. Wireless sensors avoid all of this. This application note discusses some of the best ways to use Axzon sensors to measure temperature on rotating surfaces and their limits.

Antenna Design Guide

The Magnus® UHF RFID Tag IC (Integrated Circuit) is designed for use in EPCglobalTM Gen 2 (v. 2.0.0) and ISO/IEC 18000-6C compliant tags. It offers an unprecedented degree of user control and feedback, allowing precise management of tag response and correction of interference and detuning conditions.


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