E-SHAPED PATCH SYMMETRICALLY LOADED WITH TUNNEL DIODES FOR FREQUENCY AGILE/BROADBAND OPERATION | Zendy

J. A. Ansari | Zendy; Ram Brij Ram | Zendy

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E-SHAPED PATCH SYMMETRICALLY LOADED WITH TUNNEL DIODES FOR FREQUENCY AGILE/BROADBAND OPERATION

Author(s) -

J. A. Ansari,

Ram Brij Ram

Publication year - 2008

Publication title -

progress in electromagnetics research b

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.208

H-Index - 47

ISSN - 1937-6472

DOI - 10.2528/pierb07101202

Subject(s) - broadband , agile software development , diode , telecommunications , computer science , materials science , optoelectronics , software engineering

Analysis of a frequency agile broadband E-shaped patch antenna (ESPA) symmetrically loaded with tunnel diodes is presented in this paper. The notch parameters such as notch-length, notch-width and position are optimized to achieve the optimum broadband operation of ESPA. Under the optimum conditions of ESPA (bandwidth 32.35%), the performance of the antenna is also analyzed as a function of bias voltage of tunnel diode. It may be mentioned that the proposed antenna can be operated in tunable band that varies from 1055 MHz (bandwidth 42.54%) to 1324 MHz (bandwidth 49.77%) with the bias voltage. Further, the radiated power of the proposed antenna is enhanced by 5.67 dB as compared to the E-shaped patch antenna.

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