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Wireless sensor based on SAW device: Mathematical Modelling, Manufacturing process and testing

Lorenzo Maria Scarrone

Wireless sensor based on SAW device: Mathematical Modelling, Manufacturing process and testing.

Rel. Matteo Cocuzza. Politecnico di Torino, Corso di laurea magistrale in Ingegneria Elettronica (Electronic Engineering), 2021

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Abstract:

The purpose of this text is to provide the reader with a fair number of elements to understand what a SAW (Surface Acoustic Wave) device is and what its possible applications are, in particular to analyze the specific case of wireless sensors. The second chapter presents some of the most significant mathematical models for describing the behaviour of SAW devices. Then is analyzed the development of a transponder model based on a Two-Port SAW resonator to read a commercial PT100 temperature sensor. The device is made by photolithography on asubstrate of LiNbO3 and then characterized through the use of a Vector Network Analyzer (NanoVNA). Finally, some considerations are made about wireless measurements.

Relators: Matteo Cocuzza
Academic year: 2020/21
Publication type: Electronic
Number of Pages: 108
Subjects:
Corso di laurea: Corso di laurea magistrale in Ingegneria Elettronica (Electronic Engineering)
Classe di laurea: New organization > Master science > LM-29 - ELECTRONIC ENGINEERING
Aziende collaboratrici: Politecnico di Torino
URI: http://webthesis.biblio.polito.it/id/eprint/19129
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