A Widely Tunable Compact Patch Antenna

In this letter, we propose a tunable patch antenna made of a slotted rectangular patch loaded by a number of posts close to the patch edge. The posts are short circuited to the ground plane via a set of PIN diode switches. Simulations and measurements verify the possibility of tuning the antenna in...

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Veröffentlicht in:	IEEE antennas and wireless propagation letters 2008, Vol.7, p.40-42
Hauptverfasser:	Sheta, A.-F., Mahmoud, S.F.
Format:	Artikel
Sprache:	eng
Schlagworte:	Antennas for wireless Bandwidth Broadband antennas Circuit optimization compact antenna Diodes micro strip antenna Microstrip antennas Patch antennas reconfigurable antenna Slot antennas Switches tunable antenna Tunable circuits and devices Varactors
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Beschreibung
Zusammenfassung:	In this letter, we propose a tunable patch antenna made of a slotted rectangular patch loaded by a number of posts close to the patch edge. The posts are short circuited to the ground plane via a set of PIN diode switches. Simulations and measurements verify the possibility of tuning the antenna in subbands from 620 to 1150 MHz. Good matching has been achieved over most of the bands. Other performed designs show that more than one octave can be achieved using the proposed structure.
ISSN:	1536-1225 1548-5757
DOI:	10.1109/LAWP.2008.915796