Compact antennas for wireless langasite SAW sensors

Wireless surface acoustic wave sensors are an attractive solution to harsh environment sensing. In this paper we explore several different compact antenna designs for use with langasite SAW devices. We find that folded dipole and meander dipole antennas represent a good compromise between physical s...

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Hauptverfasser: Chin, T.-L, Greve, D. W., Oppenheim, I. J.
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Oppenheim, I. J.
description Wireless surface acoustic wave sensors are an attractive solution to harsh environment sensing. In this paper we explore several different compact antenna designs for use with langasite SAW devices. We find that folded dipole and meander dipole antennas represent a good compromise between physical size and efficiency of coupling between the antenna and the SAW device. Wireless operation has been achieved up to 650°C with a meander dipole that is about one quarter wavelength in the largest dimension.
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Dipole antennas
Impedance
langasite
sensor
Surface acoustic wave
Surface acoustic wave devices
Surface acoustic waves
temperature
Temperature sensors
wireless
title Compact antennas for wireless langasite SAW sensors
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