Open AccessA Design for a Modified Circular Slot Antenna with a Fork-like Tuning Stub for UWB Operations
Author(s) -
JoongHan Yoon
Publication year - 2016
Publication title -
journal of information and communication convergence engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.28
H-Index - 6
eISSN - 2234-8883
pISSN - 2234-8255
DOI - 10.6109/jicce.2016.14.2.065
Subject(s) - stub (electronics) , return loss , relative permittivity , impedance matching , slot antenna , wideband , acoustics , bandwidth (computing) , electrical impedance , ultra wideband , materials science , computer science , permittivity , physics , radiation pattern , optics , electronic engineering , electrical engineering , antenna (radio) , optoelectronics , telecommunications , engineering , dielectric
This paper proposes and experimentally tests a modified circular slot antenna fed by a fork-like tuning stub for ultra-wideband (UWB) operation. The proposed antenna consists of a modified circular slot model and fork-like tuning stub. The proposed antenna is printed on a 34.0 ㎜ × 30.0 ㎜ FR4 substrate with thickness of 1.0 mm and relative permittivity of 4.4. The effect of various parameters of the circular slot and fork-like tuning stub is investigated for UWB operation. The modified circular slot and fork-like tuning stub are fabricated on the substrate to achieve wideband operation and good impedance matching. Experimental results demonstrated that the measured return loss exhibits an acceptable agreement with the simulated return loss and satisfies the -10 dB impedance bandwidth requirement while simultaneously covering the UWB bands. In addition, the proposed antenna shows good radiation characteristics and gains in the UWB bands.
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