A compact Yagi-Uda antenna with enhanced bandwidth

Diana Arceo; Constantine Balanis

doi:10.1109/LAWP.2011.2150730

A compact Yagi-Uda antenna with enhanced bandwidth

Diana Arceo, Constantine Balanis

Research output: Contribution to journal › Article › peer-review

25 Scopus citations

Abstract

A three-element compact Yagi-Uda antenna is proposed that maintains a high absolute gain and low VSWR over a 10% fractional bandwidth with an element spacing of 0.053λ. The proposed Yagi-Uda antenna uses a director and reflector to create a dual resonance and approach superdirectivity at each resonant frequency. By adjusting the reflector and director's resonant frequency, the gain and bandwidth of the antenna can be maximized. The driven element has one folded arm to increase the impedance of the antenna. The reflector and director elements are bowtie designs to increase the bandwidth. The measured impedance and gain agrees well with the computational model.

Original language	English (US)
Article number	5765545
Pages (from-to)	442-445
Number of pages	4
Journal	IEEE Antennas and Wireless Propagation Letters
Volume	10
DOIs	https://doi.org/10.1109/LAWP.2011.2150730
State	Published - 2011

Keywords

Antenna arrays
Yagi antennas
compact antennas
folded antennas
superdirectivity

ASJC Scopus subject areas

Electrical and Electronic Engineering

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10.1109/LAWP.2011.2150730

Cite this

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title = "A compact Yagi-Uda antenna with enhanced bandwidth",

abstract = "A three-element compact Yagi-Uda antenna is proposed that maintains a high absolute gain and low VSWR over a 10% fractional bandwidth with an element spacing of 0.053λ. The proposed Yagi-Uda antenna uses a director and reflector to create a dual resonance and approach superdirectivity at each resonant frequency. By adjusting the reflector and director's resonant frequency, the gain and bandwidth of the antenna can be maximized. The driven element has one folded arm to increase the impedance of the antenna. The reflector and director elements are bowtie designs to increase the bandwidth. The measured impedance and gain agrees well with the computational model.",

keywords = "Antenna arrays, Yagi antennas, compact antennas, folded antennas, superdirectivity",

author = "Diana Arceo and Constantine Balanis",

note = "Funding Information: Manuscript received February 09, 2011; revised April 06, 2011; accepted April 21, 2011. Date of publication May 10, 2011; date of current version May 23, 2011.This work was supported in part by SPAWAR Systems Center Pacific (SSC PAC), San Diego, CA, under the LDRD NISE Program.",

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language = "English (US)",

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AU - Balanis, Constantine

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N2 - A three-element compact Yagi-Uda antenna is proposed that maintains a high absolute gain and low VSWR over a 10% fractional bandwidth with an element spacing of 0.053λ. The proposed Yagi-Uda antenna uses a director and reflector to create a dual resonance and approach superdirectivity at each resonant frequency. By adjusting the reflector and director's resonant frequency, the gain and bandwidth of the antenna can be maximized. The driven element has one folded arm to increase the impedance of the antenna. The reflector and director elements are bowtie designs to increase the bandwidth. The measured impedance and gain agrees well with the computational model.

AB - A three-element compact Yagi-Uda antenna is proposed that maintains a high absolute gain and low VSWR over a 10% fractional bandwidth with an element spacing of 0.053λ. The proposed Yagi-Uda antenna uses a director and reflector to create a dual resonance and approach superdirectivity at each resonant frequency. By adjusting the reflector and director's resonant frequency, the gain and bandwidth of the antenna can be maximized. The driven element has one folded arm to increase the impedance of the antenna. The reflector and director elements are bowtie designs to increase the bandwidth. The measured impedance and gain agrees well with the computational model.

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A compact Yagi-Uda antenna with enhanced bandwidth

Abstract

Keywords

ASJC Scopus subject areas

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