A high performance ultra-wideband low cost SMA-to-GCPW transition

Xu, Ding; Wang, Zhengpeng; Wang, Yi; Wu, Jianhua

doi:10.1587/elex.13.20160290

Cited by 6 publications

(3 citation statements)

References 13 publications

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“…Thus, the pin should be short enough to reduce this unwanted radiation, especially at higher frequencies. Besides, they showed that the shorter pin of the SMA connector gives a smaller Voltage Standing Wave Ratio (VSWR) [ 49 ]. In addition to that, for the length of 1 mm, the soldering will be more comfortable, and it should not raise the resistivity in the GND layer.…”

Section: Resultsmentioning

confidence: 99%

Compact Elliptical UWB Antenna for Underwater Wireless Communications

et al. 2021

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The increasing needs of free licensed frequency bands like Industrial, Scientific, and Medical (ISM), Wireless Local Area Network (WLAN), and 5G for underwater communications required more bandwidth (BW) with higher data transferring rate. Microwaves produce a higher transferring rate of data, and their associated devices are smaller in comparison with sonar and ultrasonic. Thus, transceivers should have broad BW to cover more of a frequency band, especially from ultra-wideband (UWB) systems, which show potential outcomes. However, previous designs of similar work for underwater communications were very complicated, uneasy to fabricate, and large. Therefore, to overcome these shortcomings, a novel compact elliptical UWB antenna is designed to resonate from 1.3 to 7.2 GHz. It is invented from a polytetrafluoroethylene (PTFE) layer with a dielectric constant of 2.55 mm and a thickness of 0.8 mm. The proposed antenna shows higher gain and radiation efficiency and stability throughout the working band when compared to recent similarly reported designs, even at a smaller size. The characteristics of the functioning antenna are investigated through fluid mediums of fresh-water, seawater, distilled water, and Debye model water. Later, its channel capacity, bit rate error, and data rate are evaluated. The results demonstrated that the antenna offers compact, easier fabrication with better UWB characteristics for underwater 5G communications.

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Section: Resultsmentioning

confidence: 99%

Compact Elliptical UWB Antenna for Underwater Wireless Communications

et al. 2021

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“…At upper-frequency range, the exposed center pin of the SMA port causes significant radiation, so reducing the length of the center pin limits the unwanted radiation from the connector. The simulation result in [47] showed that the shorter the center pin, the smaller VSWR is. To ease the soldering and the reliability of the connection, the center pin is chosen to be 0.5 mm.…”

Section: Simulated and Experimental Resultsmentioning

confidence: 99%

Ultra-wideband elliptical patch antenna for microwave imaging of wood

Saeidi

Ismail

Wen

et al. 2019

Int. J. Microw. Wireless Technol.

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This paper presents the design of an elliptical shape ultra-wide band antenna for imaging of wood. The antenna is constructed comprising an elliptical shape of patch loaded by a stub to resonate at lower bands, strip loading at the back, and chamfered ground. Despite having miniaturized dimensions of 20 mm × 20 mm, the proposed antenna shows better results compared to recent studies. The simulation results depict a good ultra-wide bandwidth from 2.68 to 16 GHz, and 18.2–20 GHz. Besides, the proposed antenna has two low-frequency bands at 0.89–0.92 and 1.52–1.62 GHz, maximum gain of 5.48 dB, and maximum directivity of 6.9 dBi. The measurement outcomes are performed in air, plywood, and high-density wood and show a good agreement with the simulated results done using electromagnetic simulator CST. In addition to that, the measurement results of S-parameters, transmitted and received signals show a good agreement with the simulated results. Besides, the measured results illustrate a good isolation and uniform illumination among arrays as well as the received signals' shapes do not change in different environments, but only the amplitude. Hence, the proposed antenna seems to be adequate for microwave imaging of wood.

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“…In recent years, the development of electronic communication technology drives an increasing demand on wider bandwidth of the interconnection component [1]. Being one of the essential parts in an interconnect system, electrical connector has become a bottleneck to increase the bandwidth and data rate of the system.…”

Section: Introductionmentioning

confidence: 99%

Modeling and analysis of the effects of electrical contact degradation on high-speed signal transmission

Gao

Xie

2018

IEICE Electron. Express

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Electrical contact failures may alter the signals that are being transmitted and is one of the major causes of system failure. In this letter, an equivalent model of the connector with a degraded contact surface is developed and its transmission characteristics are analyzed. The effects of electrical contact degradation on high-speed digital signal transmission are studied. And the experimental results verify the theoretical analysis. The results of this letter are helpful in developing a better understanding of high-speed connection devices, and provide a theoretical support to identify failure features in fault diagnosis. Keywords: electrical connector, contact failure, equivalent model, high-speed signal Classification: Microwave and millimeter wave devices, circuits, and systems [4] T. Kondo, et al.: "An analysis of relationship between contact resistance and fracture of oxide film for connector contacts using finite element method," IEEE 60th Holm Conf. Elect. Contacts (2014)1 (DOI: 10.1109/HOLM.2014.7031025)[5] C.T.Dervos and J.M.Michaelides: "The effect of contact capacitance on current-voltage characteristics of stationary metal contacts," IEEE Trans.

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A high performance ultra-wideband low cost SMA-to-GCPW transition

Cited by 6 publications

References 13 publications

Compact Elliptical UWB Antenna for Underwater Wireless Communications

Compact Elliptical UWB Antenna for Underwater Wireless Communications

Ultra-wideband elliptical patch antenna for microwave imaging of wood

Modeling and analysis of the effects of electrical contact degradation on high-speed signal transmission

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