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In this work, a passive UHF RFID platform for sensing applications is presented. The platform consists of a passive UHF RFID tag and a base station. The tag has an inductively-fed, meandered dipole antenna that is impedance matched to a CMOS IC that contains the remote powering, power management, and communication circuits to operate with sensor interfaces. The power management includes an LDO voltage...
In this work, a passive UHF RFID system for capacitive sensor applications is presented. The design of the base station and the passive RFID tag is explained. The tag consists of an inductively-fed, meandered dipole antenna and an IC that contains the remote powering, communication, and sensor interface circuitry. The rectifier in the tag is a highly efficient differential rectifier with self threshold...
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