Open AccessBANDWIDTH ENHANCEMENT OF MICROSTRIP LINE AND CPW-FED ASYMMETRICAL SLOT ANTENNAS
Author(s) -
Debasis Mitra,
Dhruba Das,
Sekhar Ranjan Bhadra Chaudhuri
Publication year - 2012
Publication title -
progress in electromagnetics research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.245
H-Index - 33
ISSN - 1937-6480
DOI - 10.2528/pierl12032204
Subject(s) - coplanar waveguide , slot antenna , microstrip , bandwidth (computing) , excitation , microstrip antenna , feed line , excited state , electrical impedance , patch antenna , optoelectronics , materials science , optics , acoustics , physics , antenna (radio) , electrical engineering , telecommunications , computer science , engineering , microwave , nuclear physics
In this paper, a bandwidth enhancement technique of asymmetrical slot antenna with two difierent excitation methods is presented. One method of excitation is the microstrip line feed, and the other is the coplanar waveguide feed. The rectangular slot excited by microstrip line feed gives an impedance bandwidth of 14.76% (jS11j < i10dB). When the rectangular slot is excited by a coplanar waveguide (CPW), it gives an impedance bandwidth of 26.61%. Both impedance and radiation characteristics of these antennas are studied.
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