A compact design of tunable band‐notched ultrawideband antenna | Zendy

Elfergani I. T. E. | Zendy; AbdAlhameed R. A | Zendy; See C. H. | Zendy; Jones S. M. R. | Zendy; Excell P. S. | Zendy

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A compact design of tunable band‐notched ultrawideband antenna

Author(s) -

Elfergani I. T. E.,

AbdAlhameed R. A,

See C. H.,

Jones S. M. R.,

Excell P. S.

Publication year - 2012

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.26907

Subject(s) - antenna tuner , variable capacitor , bandwidth (computing) , planar , impedance matching , electrical impedance , microwave , antenna measurement , antenna (radio) , frequency band , electrical engineering , antenna factor , materials science , acoustics , electronic engineering , optoelectronics , capacitor , engineering , voltage , physics , computer science , telecommunications , computer graphics (images)

In this letter, a compact ultrawideband planar inverted F‐L antenna with a tunable band‐notched response is presented. Tuning of the rejected frequency bands is realized by loading a variable capacitor on an embedded slot of the proposed antenna structure. The antenna exhibits a wide impedance bandwidth from 3.1 to 10.6 GHz with a good impedance matching (voltage standing wave ratio ≤ 2) and tunable broad range of band‐reject frequency (centre frequency from 3.2 to 6 GHz). To validate the theoretical model and design concept, the antenna prototype was fabricated and measured. © 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:1642–1644, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26907

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