
pmid: 20378440
This paper presents a passive wireless resonating sensor that is based on a ferroelectric varactor. The sensor replies with its data at an intermodulation frequency when a reader device illuminates it at 2 closely located frequencies. The paper derives a theoretical equation for the response of such a sensor, verifies the theory by simulations, and demonstrates a temperature sensor based on a ferroelectric varactor.
ta213, ferroelectric varactors, sensors, wireless sensors
ta213, ferroelectric varactors, sensors, wireless sensors
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