The paper represents the compact hybrid backward wave branch line coupler resonating at 2.68GHz suitable for various applications due to the relatively wide bandwidth (2.14-2.95GHz).The proposed design is simulated utilizing Sonnet Suites Software and the simulated results are in close match with the measured data obtained after the fabrication of the coupler. Furthermore, the S parameters of both simulated and measured results are in the acceptable range. The input match and isolation factor are approximately -30.31dB, whereas coupling factor and insertion loss are around -3.01dB respectively. In addition, the FR-4 dielectric substrate (er = 4.4) with the thickness of 1.55mm is used for the proposed design despite the tangent losses of the FR-4 substrate. The given design is somewhat inexpensive, having a very simple geometry and reliable with a wide bandwidth, it can be used in numerous microwave technological applications.
This paper depicts a microstrip array antenna suitable for the 5G applications comprised of four rectangular patches organized in a symmetrical structure. The microstrip quad array antenna is designed and simulated utilizing Sonnet Suites software. The proposed design is manufactured with implementing Rogers RO3006 dielectric substrate (ε_r = 6.5) due to the low tangent losses of the substrate. Moreover, the simulated and measured results display the successful fabrication and the design process. The input match (S_11) is slightly higher for the simulated design in comparison to the measured results with approximately − 18.63 and − 13.66 dB respectively. By Implementing the quad structure the gain is increased. The Simulated gain is approximately 13.55 dB whereas the measured gain is around 13.06 dB at the operating frequency of 5.53 GHz. Lastly, the design is inexpensive and the utilized geometry is somewhat simplistic alleviating simulation and manufacturing issues for the proposed design..
The paper depicts a symmetric microstrip coupler designed for WiMax applications in the frequency range of 2.32 - 2.52GHz. The proposed coupler is comprised of four resonator structures attached in parallel to the ports providing lowered isolation and increased insertion loss and coupling factor. Furthermore, the presented microstrip coupler is simulated utilizing the Sonnet Suites software with the numerical approximation of the mathematical derivation of MoM (Method of Moments) for the symmetrical structure. The simulated and fabricated results show high resemblance with the data acquired after the simulation with input match being below -20dB, insertion loss and coupling factor almost -3.0 dB and isolation factor below -50dB. Approximate values of the measured design are -15.48dB, -3.86dB and -46.63dB respectively Moreover, the dielectric substrate utilized for the proposed geometry of the microstrip coupler is FR4 with ε_r=4.4 with thickness of 1.55mm.The proposed coupler is relatively inexpensive, reliable in the provided frequency range and could be used in wireless communication applications.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.
hi@scite.ai
10624 S. Eastern Ave., Ste. A-614
Henderson, NV 89052, USA
Copyright © 2024 scite LLC. All rights reserved.
Made with 💙 for researchers
Part of the Research Solutions Family.