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Frequency-Reconfigurable Microstrip Antenna With Biasing Network Driven by a PIC Microcontroller

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5 Author(s)
Genovesi, S. ; Dipt. di Ing. dell''Inf., Elettron., Inf., Telecomun., Univ. di Pisa, Pisa, Italy ; Monorchio, A. ; Borgese, M.B. ; Pisu, S.
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A low-profile microstrip patch antenna has been designed for tuning on a discrete set of instant frequencies. The frequency reconfigurability is obtained by resorting to electrically actuated switches operated via a software-controlled biasing network. A low-cost PIC microcontroller is employed to control the antenna operative condition among the available states. Measurements on a fabricated prototype show a good matching with simulations and prove the reliability of the proposed configuration.

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Antennas and Wireless Propagation Letters, IEEE  (Volume:11 )