A reconfigurable dual‐frequency slot‐loaded microstrip antenna controlled by pin diodes | Zendy

S. V. Shynu | Zendy; Augustin Gijo | Zendy; Aanandan C. K. | Zendy; Mohanan P. | Zendy; Vasudevan K. | Zendy

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A reconfigurable dual‐frequency slot‐loaded microstrip antenna controlled by pin diodes

Author(s) -

S. V. Shynu,

Augustin Gijo,

Aanandan C. K.,

Mohanan P.,

Vasudevan K.

Publication year - 2005

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.20639

Subject(s) - pin diode , microstrip antenna , microwave , reconfigurable antenna , slot antenna , microstrip , patch antenna , diode , hexagonal crystal system , bandwidth (computing) , electrical engineering , optoelectronics , engineering , materials science , optics , electronic engineering , physics , antenna (radio) , antenna efficiency , telecommunications , chemistry , crystallography

A novel reconfigurable, single‐feed, dual‐frequency, dual‐polarized operation of a hexagonal slot‐loaded square microstrip antenna is presented in this paper. A pin diode incorporated in the slot is used to switch the two operating frequencies considerably, without significantly affecting the radiation characteristics and gain. The proposed antenna provides a size reduction up to 61% and 26% for the two resonating frequencies, compared to standard rectangular patches. This design also gives considerable bandwidth up to 3.3% and 4.27%, for the two frequencies with a low operating frequency ratio. © 2005 Wiley Periodicals, Inc. Microwave Opt Technol Lett 44: 374–376, 2005; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20639

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