Wide-band modified printed bow-tie antenna with single and dual polarization for C - and X-band applications

Eldek, Abdelnasser A.; Elsherbeni, Atef Z.; Smith, Charles E.

doi:10.1109/tap.2005.851870

Cited by 93 publications

(57 citation statements)

References 15 publications

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“…It may cover from 3.1 GHz to 10.6 GHz for VSWR < 2. Some other types of wideband printed dipoles (square [10], circle [12,13], bowtie [14,15], and elliptical shapes [16], etc.) are presented.…”

Section: Introductionmentioning

confidence: 99%

Design of Broadband Compact Size Antenna Comprised of Printed Planar Dipole Pairs

Li¹

2009

PIER Letters

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Abstract-In this paper, a wideband planar dipole antenna is proposed. Compared to conventional dipole antennas, this antenna has wideband impedance matching, simple structure and compact size. From EM simulations, dimensions of antennas are chosen for better performance. For verification, this newly proposed structure is fabricated and measured. It is shown that return loss of the antenna between 2.5 GHz and 8.0 GHz is better than −10 dB.

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Section: Introductionmentioning

confidence: 99%

Design of Broadband Compact Size Antenna Comprised of Printed Planar Dipole Pairs

Li¹

2009

PIER Letters

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“…Alternative method of feeding such antennas is presented in [18][19][20][21][22][23][24][25], where one half of the antenna; dipole or bow-tie, is printed on the top substrate layer and connected to the microstrip feedline, while the second half is placed on the bottom substrate layer and connected to the ground plane. Doing that avoids using balun and simplifies antenna geometry.…”

Section: Introductionmentioning

confidence: 99%

“…Doing that avoids using balun and simplifies antenna geometry. In addition, one can obtain end-fire radiation patterns of good front-to-back ratio out of these designs [21,[23][24][25].…”

Section: Introductionmentioning

confidence: 99%

“…Wide bandwidths of 40%, 50% and 91% are obtained in [23,24], and [25], respectively. The stability of the patterns in this design depends on the substrate height and the resonator itself.…”

Section: Introductionmentioning

confidence: 99%

“…The stability of the patterns in this design depends on the substrate height and the resonator itself. If the substrate height is large relative to the free space wavelength (λ 0 ) at the upper operating frequency, unstable patterns are obtained at higher frequencies [23,25], which results in decreasing the usable bandwidth of the antenna. Also, if the antenna has only one main resonance at the operating band, distorted pattern is expected at high frequencies, where the antenna size is much bigger than λ g /2.…”

Section: Introductionmentioning

confidence: 99%

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Design of Double Dipole Antenna With Enhanced Usable Bandwidth for Wideband Phased Array Applications

Eldek¹

2006

PIER

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Abstract-In this paper, the regular microstrip-fed dipole antenna with simplified balun is modified to improve the usable bandwidth by increasing the stability of the radiation patterns. The presented antenna consists of two parallel dipoles of different lengths to obtain two main resonances. The distance between the two dipoles is adjusted to reduce the return loss between the two main resonances. A wide usable bandwidth of more than 84% is obtained with high radiation pattern stability. The proposed antenna is simple and small in size. The results of a modified two-element array configuration from this antenna show that it is very good candidate for wideband phased array applications.

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High-gain bow-tie antenna using array of two-sided planar metamaterial loading for H -band applications

Khajeh-Khalili

Honarvar

Dadgarpour

2018

Int J RF Microw Comput Aided Eng

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A method to significantly increase the gain of a bow‐tie antenna based on metamaterial concept is presented. The μ‐negative feature of the proposed two‐sided planar metamaterial (TSPM) structure is investigated by retrieving its constitutive parameters from the S‐parameters. The proposed structure consists of six slabs that are loaded with a 3 × 3 array of TSPM unit cells, which are embedded in azimuth plane of a modified bow‐tie antenna vertically. The TSPM unit cells provide a medium of low effective permeability. The dimensions of the slabs are 30.6 × 20.6 mm2 at 7 GHz. To show the adaptability of the proposed high‐gain antenna, the structure was designed to cover H‐band applications (6‐8 GHz). Consequently, a small antenna is designed in comparison with initial bow‐tie structures. The corresponding return loss of the antenna is better than 10 dB over 6 to 8 GHz. The proposed metamaterial antenna was manufactured and its characteristics measured to verify the proposed idea. Good agreement between the measured and simulated data is obtained. Maximum gain measured of the antenna is 10.21 dB at 7.5 GHz, constituting a maximum gain enhancement of 7 dB for H‐band in comparison with a bow‐tie antenna without any metamaterial structures.

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Wide-band modified printed bow-tie antenna with single and dual polarization for C - and X-band applications

Cited by 93 publications

References 15 publications

Design of Broadband Compact Size Antenna Comprised of Printed Planar Dipole Pairs

Design of Broadband Compact Size Antenna Comprised of Printed Planar Dipole Pairs

Design of Double Dipole Antenna With Enhanced Usable Bandwidth for Wideband Phased Array Applications

High-gain bow-tie antenna using array of two-sided planar metamaterial loading for H -band applications

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