A new bi‐faced log periodic printed antenna

Ávila-Navarro, Ernesto; Blanes, J. M.; Carrasco, J.A.; Reig, C.; Navarro, Enrique A.

doi:10.1002/mop.21363

Cited by 25 publications

(27 citation statements)

References 8 publications

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Section: Antenna Designmentioning

confidence: 95%

“…Typical values for range from 0.7 to 0.95. A widely accepted tradeoff is [4]. We have considered the same scaling factor for both dipole groups.…”

Section: Antenna Designmentioning

confidence: 99%

“…The exact length of the dipoles is calculated through specific simulations. We used a FDTD-based code, initially designed for radar applications [5] and recently readapted to printed antennas analysis [4], [6]. Therefore, obtained lengths lie in the range -, quite lower than the common .…”

Section: Antenna Designmentioning

confidence: 99%

“…1). obtained by using the following relationship, traditionally used in the design of log-periodic antennas [4]: -with and being the wavelength in free-space at the resonant frequency of each dipole within the same group ( or ). Finally, in order to obtain -, we performed simulations ranging from 25 to 50 mm.…”

Section: Antenna Designmentioning

confidence: 99%

“…as defined for traditional log-periodic antennas [4], and substituting by or , respectively. The symbols are detailed in Fig.…”

Section: Antenna Designmentioning

confidence: 99%

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Dual Printed Antenna for Wi-Fi Applications

Ávila-Navarro

Carrasco

Reig

2009

Antennas Wirel. Propag. Lett.

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Section: Antenna Designmentioning

confidence: 95%

“…Typical values for range from 0.7 to 0.95. A widely accepted tradeoff is [4]. We have considered the same scaling factor for both dipole groups.…”

Section: Antenna Designmentioning

confidence: 99%

Section: Antenna Designmentioning

confidence: 99%

Section: Antenna Designmentioning

confidence: 99%

“…as defined for traditional log-periodic antennas [4], and substituting by or , respectively. The symbols are detailed in Fig.…”

Section: Antenna Designmentioning

confidence: 99%

See 3 more Smart Citations

Dual Printed Antenna for Wi-Fi Applications

Ávila-Navarro

Carrasco

Reig

2009

Antennas Wirel. Propag. Lett.

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Design of a printed log-periodic dipole array antenna with high gain for millimeter-wave applications

Haraz

Sebak

Alshebeili

2014

Int J RF and Microwave Comp Aid Eng

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In this article, a V-band printed log-periodic dipole array (PLPDA) antenna with high gain is proposed. The antenna prototype is designed, simulated, fabricated, and tested. Simulation results show that this antenna can operate from 42 to 82 GHz with a fractional impedance bandwidth of 64.5% covering the whole V-band (50-75 GHz). The antenna has a measured impedance matching bandwidth that starts from 42 to beyond 65 GHz with good agreement between the experimental and simulated results. At 50 and 65 GHz, the antenna has a measured gain of 10.45 and 10.28 dBi, respectively, with a gain variation of 2.6 dBi across the measured frequency range. The antenna prototype exhibits also stable radiation patterns over the operating band. It achieves side-lobe suppression better than 17.26 dB in the H-plane and better than 8.95 dB in the E-plane, respectively. In addition, the cross-polarization component is 18.5 dB lower than the copolarization with front-to-back ratio lower than 24.1 dB in both E-and H-planes across the desired frequency range. Based on a comparison of performance among the reported work in the literature, we can say that the proposed PLPDA antenna is a proper candidate to be used in many applications at V-band frequency. V C 2014 Wiley Periodicals, Inc. Int J RF and Microwave CAE 25:185-193, 2015.

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Wideband log‐periodic phase shifters

Zandi-Pouryan

Ghalamkari

Naser‐Moghadasi

2021

Int J RF Microw Comput Aided Eng

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This paper presents concept of wideband log-periodic phase shifter (LPPS) and also three novel microstrip phase shifters using a log-periodic structure for the first time. The process of achieving the goal of wideband releases three mainline models with different characteristics. The design process follows a logperiodic phase shifter theoretical analysis and optimization algorithm of the desired designing platform for circuit tuning. Three proposed main-line logperiodic phase shifters are short-circuited stub LPPS (SS-LPPS), double-sided LPPS (DS-LPPS), and Multilayer coupling LPPS (MC-LPPS). Compact size, planar, ease of fabrication, and wideband are the critical characteristics of the proposed structures. The broadband characteristic of the MC-LPPS is due to top and bottom Log-Periodic microstrip patches broadside coupling of 2 dB through an elliptical slot placed in a ground plane as a middle layer of a structure. Even-odd model analysis of design verification method employed. The optimized overall dimension of the final wideband proposed structure on the low-cost Rogers RO4003C substrate is 35 mm Â 20 mm, Fabricated and tested. Experimental and simulation results have good agreement. S 11 and S 21 are better than À10 and À 1.45 dB in considered 141% fractional bandwidth (1.40-8.11 GHz) for a 130 continuous phase gradient, respectively.

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A new bi‐faced log periodic printed antenna

Cited by 25 publications

References 8 publications

Dual Printed Antenna for Wi-Fi Applications

Dual Printed Antenna for Wi-Fi Applications

Design of a printed log-periodic dipole array antenna with high gain for millimeter-wave applications

Wideband log‐periodic phase shifters

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