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Transparent and miniature FM antenna in printed technology

Published online by Cambridge University Press:  13 February 2018

A. Martin
Affiliation:
IETR, UMR-CNRS 6164, Université de Rennes 1, 18 rue Henri Wallon, 22004 SAINT-BRIEUC, and 263 avenue du Général Leclerc, 35042 RENNES, France
C. Gautier
Affiliation:
IETR, UMR-CNRS 6164, Université de Rennes 1, 18 rue Henri Wallon, 22004 SAINT-BRIEUC, and 263 avenue du Général Leclerc, 35042 RENNES, France
X. Castel*
Affiliation:
IETR, UMR-CNRS 6164, Université de Rennes 1, 18 rue Henri Wallon, 22004 SAINT-BRIEUC, and 263 avenue du Général Leclerc, 35042 RENNES, France
*
Author for correspondence: X. Castel, Email: [email protected]

Abstract

An optically transparent and electrically small frequency modulation (FM) radio receiving antenna has been designed and fabricated from a mesh silver layer printed onto a glass substrate. The studied FM antenna consists of a transparent meandering monopole associated with a micrometric size MEtal Semiconductor Field Effect transistor. An optical transparency of 87% and a sheet resistance lower than 0.22 Ω/sq are obtained. The received signal strength indicator and the signal-to-noise ratio are both measured and compared with those of a commercial monopole antenna (a quarter-wave wire antenna). The transparent FM antenna exhibits similar radiofrequency performance with, in addition, a low visual impact.

Type
Research Papers
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2018 

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