发布求助
文献互助 智能选刊 最新文献

2018 48th European Microwave Conference (EuMC)最新文献

筛选
英文 中文
Quasi-MMIC High Power Amplifier with Silicon IPD Matching Network 带硅IPD匹配网络的准mmic高功率放大器
2018 48th European Microwave Conference (EuMC) Pub Date : 2018-09-01 DOI: 10.23919/EUMC.2018.8541724
Junhyung Jeong, P. Kim, Phanam Pech, Y. Jeong, Sangmin Lee
{"title":"Quasi-MMIC High Power Amplifier with Silicon IPD Matching Network","authors":"Junhyung Jeong, P. Kim, Phanam Pech, Y. Jeong, Sangmin Lee","doi":"10.23919/EUMC.2018.8541724","DOIUrl":"https://doi.org/10.23919/EUMC.2018.8541724","url":null,"abstract":"In this paper, the quasi-monolithic microwave integrated circuit (MMIC) high power amplifier (HPA) with silicon integrated passive device (IPD) matching network is proposed. The proposed quasi-MMIC HPA consists of commercial GaN transistor power cell and IPD matching network using silicon substrate. The proposed quasi-MMIC HPA can achieve similar output power and efficiency characteristics compared with the conventional MMIC HPAs. Moreover, the manufacturing cost can be reduced due to the silicon substrate process. For experimental validation, the proposed quasi-MMIC HPA was designed and fabricated at the 8.5 GHz for radar application. The measurement results shows that the output power and drain efficiency at saturation point are 48.5 dBm (70.8W) and 45.5%, respectively, with pulse signal test (100 usec pulse width and 10%duty.","PeriodicalId":6472,"journal":{"name":"2018 48th European Microwave Conference (EuMC)","volume":"62 1","pages":"340-343"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73820237","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Design and Demonstration of Linearly-Polarized Transmit-Arrays in X-Band x波段线偏振发射阵列的设计与演示
2018 48th European Microwave Conference (EuMC) Pub Date : 2018-09-01 DOI: 10.23919/EURAD.2018.8546658
H. Kaouach, M. A. Belaid
{"title":"Design and Demonstration of Linearly-Polarized Transmit-Arrays in X-Band","authors":"H. Kaouach, M. A. Belaid","doi":"10.23919/EURAD.2018.8546658","DOIUrl":"https://doi.org/10.23919/EURAD.2018.8546658","url":null,"abstract":"This paper describes the design and demonstration of planar transmit-arrays operating in X-band with 1-bit phase quantization and based on wideband high efficiency unit cells. The unit cell consists of two identical square patch antennas loaded by C-loop slots and interconnected in their centers by a metalized via hole. The proposed transmit-array achieves a maximum directivity of 25.1 dBi and a gain of 22.8 dBi. Radiation efficiency of 56.3% is also obtained with a 1-dB gain bandwidth of up to 9.2% around 9.85 GHz and very low cross-polarization levels. The beam-steering up to 30° is achieved by tilting the focal source.","PeriodicalId":6472,"journal":{"name":"2018 48th European Microwave Conference (EuMC)","volume":"42 1","pages":"1529-1532"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74130358","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Singular Edge and Corner Basis Functions for Scattering from Conducting Plates 导电板散射的奇异边缘和角基函数
2018 48th European Microwave Conference (EuMC) Pub Date : 2018-09-01 DOI: 10.23919/EUMC.2018.8541390
R. Graglia, A. Peterson, P. Petrini
{"title":"Singular Edge and Corner Basis Functions for Scattering from Conducting Plates","authors":"R. Graglia, A. Peterson, P. Petrini","doi":"10.23919/EUMC.2018.8541390","DOIUrl":"https://doi.org/10.23919/EUMC.2018.8541390","url":null,"abstract":"The Method of Moments (MoM) is an efficient way of obtaining solutions of integral equations for 2D and 3D electromagnetic structures by subdividing them into simple shapes such as triangles and rectangles and using suitable polynomial basis functions to describe fields or currents. In the presence of sharp edges and corners, the currents may be unbounded and the accuracy of the solution may be poor due to the inappropriate model provided by a polynomial basis. Attempts to improve the accuracy by increasing the number of cells or the polynomial order of the basis functions may fail as a result. In this paper new basis functions are proposed with unbounded behavior, to more efficiently model edge and corner singularities for quadrilateral cells.","PeriodicalId":6472,"journal":{"name":"2018 48th European Microwave Conference (EuMC)","volume":"74 1","pages":"1182-1185"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74152940","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Additively Manufactured Frequency Selective Structures on Curved Surfaces 曲面上增材制造的频率选择结构
2018 48th European Microwave Conference (EuMC) Pub Date : 2018-09-01 DOI: 10.23919/EUMC.2018.8541568
J. Byford, Christopher Oakley, P. Chahal
{"title":"Additively Manufactured Frequency Selective Structures on Curved Surfaces","authors":"J. Byford, Christopher Oakley, P. Chahal","doi":"10.23919/EUMC.2018.8541568","DOIUrl":"https://doi.org/10.23919/EUMC.2018.8541568","url":null,"abstract":"Two different additive manufacturing methods are employed to pattern a curved plastic surface with a frequency selective structure (FSS). Here, a dielectric lens is used as a proof of concept for a curved surface and the FSS is a bandstop filter designed to operate near 150 GHz. An aerosol jet printing process is used to directly print the FSS onto a planar surface and a lens structure. Additionally, a patterned FSS is demonstrated by printing the test structures with the pattern pre-inset into the dielectric, sputtering them with copper, and then selectively removing the copper from the unpatterned area. This procedure is also known as a damascene-like process. Structures are printed using a Formlabs Form 2 printer, which uses a stereolithography (SLA) technology, and a clear colored high temperature curing resin as the build material. Simulations are performed using ANSYS HFSS and measurements were taken using an Emcore frequency domain THz system.","PeriodicalId":6472,"journal":{"name":"2018 48th European Microwave Conference (EuMC)","volume":"45 1","pages":"671-674"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75263972","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Bow-Tie Antenna Integrated with an HfO2-Based MIM Diode for Millimetre Wave Harvesting 集成了基于hfo2的MIM二极管的领结天线，用于毫米波采集
2018 48th European Microwave Conference (EuMC) Pub Date : 2018-09-01 DOI: 10.23919/EUMC.2018.8541525
M. Aldrigo, M. Dragoman, S. Iordanescu, M. Modreanu, I. Povey, D. Vasilache, A. Dinescu, M. Shanawani, D. Masotti
{"title":"Bow-Tie Antenna Integrated with an HfO2-Based MIM Diode for Millimetre Wave Harvesting","authors":"M. Aldrigo, M. Dragoman, S. Iordanescu, M. Modreanu, I. Povey, D. Vasilache, A. Dinescu, M. Shanawani, D. Masotti","doi":"10.23919/EUMC.2018.8541525","DOIUrl":"https://doi.org/10.23919/EUMC.2018.8541525","url":null,"abstract":"In this paper, we present a millimetre wave harvester consisting of a bow-tie antenna integrated with a hafnium dioxide (HfO2)-based metal-insulator-metal (MIM) diode, capable to rectify the incoming electromagnetic radiation in the V band (i.e. 40–75 GHz). We reduced significantly the diode resistance, thus improving antenna-diode matching, which is a major issue when using a MIM diode with a differential resistance in the order of hundreds or thousands of $mathrm{k}Omega$. In detail, we designed, fabricated and tested on a standard 4-inch silicon wafer a 61.6-GHz rectenna in which the vertical Au-HfO2-Pt MIM structure is integrated between antenna arms. The 6-nm-thick HfO2 single-layer guarantees a much higher DC current density of almost $mathbf{3}times mathbf{10}^{mathbf{4}}mathbf{A}/mathbf{cm}^{2}$, in comparison with state-of-the-art single-layer MIM diodes. This way, the proposed rectenna efficiently harvests up to $mathbf{250} mu mathbf{V}$ with −20 dBm of incoming power, with a promising voltage responsivity of over 5 V/W. The results are very encouraging for their practical exploitation in future low-power solutions for energetically-autonomous 5G terminal equipment.","PeriodicalId":6472,"journal":{"name":"2018 48th European Microwave Conference (EuMC)","volume":"44 1","pages":"769-772"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75882069","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Gradient Descent Shape Optimization of Microwave Circuits using Bézier Curves Parametrization 基于bsamizier曲线参数化的微波电路梯度下降形状优化
2018 48th European Microwave Conference (EuMC) Pub Date : 2018-09-01 DOI: 10.23919/EUMC.2018.8541573
Ali Dia, C. Durousseau, C. Menudier, L. Carpentier, O. Ruatta, S. Bila
{"title":"Gradient Descent Shape Optimization of Microwave Circuits using Bézier Curves Parametrization","authors":"Ali Dia, C. Durousseau, C. Menudier, L. Carpentier, O. Ruatta, S. Bila","doi":"10.23919/EUMC.2018.8541573","DOIUrl":"https://doi.org/10.23919/EUMC.2018.8541573","url":null,"abstract":"A shape optimization technique is proposed for the optimal design of microwave components and circuits. The technique couples a gradient descent method with a Bézier curve parametrization. It is applied to the boundary of cylindrical posts placed in metallic cavities of a two-pole microwave filter. The first objective is to demonstrate the efficiency of the method for attaining an ideal transfer function using a small set of design variables.","PeriodicalId":6472,"journal":{"name":"2018 48th European Microwave Conference (EuMC)","volume":"22 1","pages":"158-161"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74456167","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A Novel Half-Wavelength Coupled-Resonator Filter with Multiple Attenuation Poles 一种新型多衰减极点半波长耦合谐振器滤波器
2018 48th European Microwave Conference (EuMC) Pub Date : 2018-09-01 DOI: 10.23919/EUMC.2018.8541733
Ayaka Shimizu, T. Ishizaki
{"title":"A Novel Half-Wavelength Coupled-Resonator Filter with Multiple Attenuation Poles","authors":"Ayaka Shimizu, T. Ishizaki","doi":"10.23919/EUMC.2018.8541733","DOIUrl":"https://doi.org/10.23919/EUMC.2018.8541733","url":null,"abstract":"Recently, miniaturization and high performance of base-station filters are strongly requested. By forming attenuation poles near the passband, attenuation outside the passband can be improved. As a result, the filter can be downsized due to a smaller number of resonators. In this report, a novel half-wavelength coupled-resonator filter is investigated. Although conventional filter makes attenuation poles by cross-coupling, this filter can generate those by using electromagnetic coupling between resonators. The design method for half-wavelength filter is investigated. It is demonstrated how the attenuation pole frequencies varied depending on capacitances connected to the coupled-resonators. In addition, the spurious characteristics are also studied. The second harmonic spurious of half-wavelength resonator can be moved to higher frequency by loading capacitances at both ends of the coupled-line.","PeriodicalId":6472,"journal":{"name":"2018 48th European Microwave Conference (EuMC)","volume":"90 1","pages":"958-961"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75200344","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Silicon Nitride Integrated Optical Beamforming Network for Millimeter Wave Photonics Systems 用于毫米波光子系统的氮化硅集成波束形成网络
2018 48th European Microwave Conference (EuMC) Pub Date : 2018-09-01 DOI: 10.23919/EUMC.2018.8541583
Á. Morales, I. Monroy
{"title":"Silicon Nitride Integrated Optical Beamforming Network for Millimeter Wave Photonics Systems","authors":"Á. Morales, I. Monroy","doi":"10.23919/EUMC.2018.8541583","DOIUrl":"https://doi.org/10.23919/EUMC.2018.8541583","url":null,"abstract":"This work presents the design of a $mathbf{1x4}$ optical true time delay beamforming network integrated into a Si3N4photonic chip for hybrid millimeter wave/photonic systems. The spectral periodicity of a ring resonator-based tree structure is exploited to provide simultaneously the same delay configuration to different gigabit optical channels, increasing the effective beamforming bandwidth. The free spectral range is fixed to 33.3 GHz to assure the combability with wavelength division multiplexing applications. The simulation results show that the progressive delay between outputs can be continuously tuned from 0 ps to 20 ps. These values assure the operation at 60 GHz band.","PeriodicalId":6472,"journal":{"name":"2018 48th European Microwave Conference (EuMC)","volume":"14 1","pages":"785-788"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75317749","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Parallel Fed Patch Array for Microwave-based Vital Sign Monitoring of Elderly People 并行馈电贴片阵列用于老年人微波生命体征监测
2018 48th European Microwave Conference (EuMC) Pub Date : 2018-09-01 DOI: 10.23919/EURAD.2018.8546631
Sassan Schäfer, A. Diewald, Daniel Schmiech, Simon Müller
{"title":"Parallel Fed Patch Array for Microwave-based Vital Sign Monitoring of Elderly People","authors":"Sassan Schäfer, A. Diewald, Daniel Schmiech, Simon Müller","doi":"10.23919/EURAD.2018.8546631","DOIUrl":"https://doi.org/10.23919/EURAD.2018.8546631","url":null,"abstract":"The authors present an antenna feeding network and an antenna array dedicated observation of elderly people in their home with a 24 GHz digital beamforming radar system (DBF). The feeding network is a parallel-feed power divider for microstrip patch antennas at 24 G Hz. In this paper the network specification and the development is explained. Finally simulations and measurements are compared to each other.","PeriodicalId":6472,"journal":{"name":"2018 48th European Microwave Conference (EuMC)","volume":"15 1","pages":"1561-1564"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74269812","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Extraction of Relative Permittivity from Measured Reflection Coefficient of Dielectric Materials in the Frequency Range 207 – 247 GHz 从207 ~ 247ghz频率范围内测量的介电材料反射系数中提取相对介电常数
2018 48th European Microwave Conference (EuMC) Pub Date : 2018-09-01 DOI: 10.23919/EUMC.2018.8541509
Isam Alawnch, J. Barowski, I. Rolfes
{"title":"Extraction of Relative Permittivity from Measured Reflection Coefficient of Dielectric Materials in the Frequency Range 207 – 247 GHz","authors":"Isam Alawnch, J. Barowski, I. Rolfes","doi":"10.23919/EUMC.2018.8541509","DOIUrl":"https://doi.org/10.23919/EUMC.2018.8541509","url":null,"abstract":"This work describes the use of millimetre wave technology to extract the dielectric constants of different types of dielectric materials. The extraction of the dielectric materials is based on measurements (i.e., monostatic measurements) of the reflection coefficient for various dielectricmaterials. The measurements are done by utilizing a frequency modulated continuous wave radar with a dielectric lens antenna. The investigated materials are broadly utilized as a part of our everyday life. The fundamental dielectric materials outcomes are done for the following accompanying materials: Polytetrafluoroethylene (PTFE), mainly Teflon, nylon, and. The measurements are done in the frequency range from 207 GHz to 247 GHz.","PeriodicalId":6472,"journal":{"name":"2018 48th European Microwave Conference (EuMC)","volume":"34 1","pages":"576-579"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78436616","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：481959085
Book学术官方微信