Design of a low-profile 2 to 6 GHz circular polarized single arm hexagonal spiral array antenna

Oh, Yongduk; Nam, Sangwook

doi:10.23919/ropaces.2017.7916048

Cited by 3 publications

(4 citation statements)

References 3 publications

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“…With this, the grating lobes can be controlled independently. In [78], balun less hexagonal spiral array antenna was presented and is shown in Fig. 5.…”

Section: Spiral Antenna Arraysmentioning

confidence: 99%

“…As the array is a periodic structure, the author introduces ferrites to suppress the resonances appearing at the feeding structure. In [78], the author presented a fabricated and measured prototype 8 x 8 array and its results are shown in Fig. 5.…”

Section: Spiral Antenna Arraysmentioning

confidence: 99%

“…[78] Hexagonal Spiral Array (a) Simulated spiral element (b) Manufactured array (c) Gain (d) Axial Ratio (e) VSWR of single element and array…”

mentioning

confidence: 99%

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Review on Ultra-Wideband Phased Array Antennas

Latha

Ram²,

Kumar

et al. 2021

IEEE Access

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Ultra-wideband (UWB) phased array antennas are more essential for radar, communication and EW applications. Systems can operate over wide band coverage. The high gain systems require wideband, wide angle scanning, good radiation pattern and returnloss over multioctave bandwidth. This review discusses the problems present in this system, which include mutual coupling, grating lobe rejection, active return loss, gain fluctuation with scanning, and multiple beam generation. In this, the aperture size of the array is limited by the overall gain requirement of the system. On the other hand low gain systems require wideband with good radiation pattern and axial ratio. Here the matching over wideband is simpler as it depends on broadband balun configuration. This system has limited bandwidth over scan angles. These antennas more preferred as wearable antennas in communication applications. This paper mainly discusses the existing UWB phased array antennas such as Vivaldi Arrays, All-Metal Arrays, Spiral Arrays, Sinuous Arrays, and Coupled Arrays. This review paper presents a correct direction for selecting the type of antenna in terms of impedance bandwidth, gain, and materials influencing antenna performance, suited for different applications.

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“…With this, the grating lobes can be controlled independently. In [78], balun less hexagonal spiral array antenna was presented and is shown in Fig. 5.…”

Section: Spiral Antenna Arraysmentioning

confidence: 99%

Section: Spiral Antenna Arraysmentioning

confidence: 99%

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Review on Ultra-Wideband Phased Array Antennas

Latha

Ram²,

Kumar

et al. 2021

IEEE Access

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“…A conical-disc-backed single-arm Archimedean spiral antenna is designed to cover the X-band from 8 to 12 GHz [9]. A single-arm hexagonal spiral antenna array having a 30°beam scan without a grating lobe can operate from 2 to 6 GHz [14]. e method of moments (MOM) is applied to analyze the impedance and radiation pattern of the single-arm spiral antenna excited via a vertical probe [15].…”

Section: Introductionmentioning

confidence: 99%

Single-Arm Archimedean Spiral Antenna with Broadband Circular Polarization

Fang

Jin

Liu

2021

International Journal of Antennas and Propagation

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In this paper, a single-arm Archimedean spiral (SAAS) antenna with broadband circular polarization is investigated. Unlike traditional single-arm Archimedean spiral antenna, the antenna arm consists of a hybrid meandered strip line and a smooth arc strip line. Especially at low frequencies, the meandered strip line significantly improves the circular polarization performance by extending the antenna surface current path. The effects of the meandered strip line on the radiation pattern and axial ratio (AR) are studied in detail. To obtain unidirectional radiation, a metallic cavity is added below the SAAS antenna. The measurement results show that the voltage standing wave ratio (VSWR) is less than 2 from 0.88 GHz to 8.82 GHz, which indicates a wide impedance bandwidth of 1 : 10 is realized. A wide AR bandwidth of 1 : 5 is available, that the measured AR is less than 3 dB from 1.6 GHz to 8 GHz.

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Design of a Dual-Band Low-Profile Single-Arm Spiral Antenna for Vehicular Applications

Borah

Bezboruah

2019

Advances in Communication, Devices and Networking

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Design of a low-profile 2 to 6 GHz circular polarized single arm hexagonal spiral array antenna

Cited by 3 publications

References 3 publications

Review on Ultra-Wideband Phased Array Antennas

Review on Ultra-Wideband Phased Array Antennas

Single-Arm Archimedean Spiral Antenna with Broadband Circular Polarization

Design of a Dual-Band Low-Profile Single-Arm Spiral Antenna for Vehicular Applications

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