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Fundamentals and ignition of a microplasma at 2.45 GHz 2.45 GHz微等离子体的基本原理和点火
2009 European Microwave Conference (EuMC) Pub Date : 2009-09-01 DOI: 10.23919/eumc.2009.5296256
Stephan Holtrup, H. Heuermann
{"title":"Fundamentals and ignition of a microplasma at 2.45 GHz","authors":"Stephan Holtrup, H. Heuermann","doi":"10.23919/eumc.2009.5296256","DOIUrl":"https://doi.org/10.23919/eumc.2009.5296256","url":null,"abstract":"This paper presents the fundamentals of a mi-croplasma ignition and a patented coaxial system for ignition at atmospheric pressure with low RF power. The idea is to transform the voltage of the RF signal by a transformer and a resonator. Due to the fact that this coaxial structure realizes a very high impedance transformation, a microplasma at 2.45 GHz can be ignited and sustained with a 50W microwave source. With this concept a magnitude of 30 MVm-1 is realized at the electrode, which sufficiently increasing the kinetic energy of the free electrons to ionize air and resulting in a plasma sphere with a diameter of 6mm.","PeriodicalId":232128,"journal":{"name":"2009 European Microwave Conference (EuMC)","volume":"106 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124787217","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: 8
Dual band bandpass filters based on strong coupling directional couplers 基于强耦合定向耦合器的双带带通滤波器
2009 European Microwave Conference (EuMC) Pub Date : 2009-09-01 DOI: 10.23919/eumc.2009.5296548
M. Sánchez-Soriano, E. Bronchalo, G. Torregrosa-Penalva
{"title":"Dual band bandpass filters based on strong coupling directional couplers","authors":"M. Sánchez-Soriano, E. Bronchalo, G. Torregrosa-Penalva","doi":"10.23919/eumc.2009.5296548","DOIUrl":"https://doi.org/10.23919/eumc.2009.5296548","url":null,"abstract":"This paper presents a new type of dual band bandpass filter. It is based on strong coupling directional couplers inside a loop configuration. The proposed topology allows the control of the passbands bandwidths and the separation between passbands. The presented dual band bandpass filter exhibits wide stopbands with high rejection levels. To validate the suggested filter scheme, theoretical, simulated and measured results are presented for a dual band bandpass filter in CPW technology.","PeriodicalId":232128,"journal":{"name":"2009 European Microwave Conference (EuMC)","volume":"81 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121514528","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: 18
Scattering matrix approach to the design of infinite planar reflectarray antennas 无限平面反射天线设计中的散射矩阵法
2009 European Microwave Conference (EuMC) Pub Date : 2009-09-01 DOI: 10.1109/EUMC.2009.5296367
R. V. Gatti, S. Ebadi, R. Sorrentino
{"title":"Scattering matrix approach to the design of infinite planar reflectarray antennas","authors":"R. V. Gatti, S. Ebadi, R. Sorrentino","doi":"10.1109/EUMC.2009.5296367","DOIUrl":"https://doi.org/10.1109/EUMC.2009.5296367","url":null,"abstract":"In this paper, the procedure for modelling a unit cell in an infinite reflectarray antenna will be proposed and verified. The scattering matrix of the model will be derived using a commercial full wave simulator. Using the derived model the total input reflection coefficient is predictable for different loads without repeating the full wave simulation. This approach could be used in the design of MEMS-based reflectarray antennas.","PeriodicalId":232128,"journal":{"name":"2009 European Microwave Conference (EuMC)","volume":"189 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122865697","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
From rejection to transmission for a stack of arrayed split ring resonators 从拒绝到传输的一堆阵列分裂环谐振器
2009 European Microwave Conference (EuMC) Pub Date : 2009-09-01 DOI: 10.1109/EUMC.2009.5296227
J. Carbonell, É. Lheurette, C. Croenne, V. Boria, D. Lippens
{"title":"From rejection to transmission for a stack of arrayed split ring resonators","authors":"J. Carbonell, É. Lheurette, C. Croenne, V. Boria, D. Lippens","doi":"10.1109/EUMC.2009.5296227","DOIUrl":"https://doi.org/10.1109/EUMC.2009.5296227","url":null,"abstract":"We report on free space transmission experiments carried out on stacked split ring resonator (SRRs) arrays operating at microwaves. We start from the case of a single frequency selective surface which exhibits a rejection at the SRR resonance frequency. By stacking several SRR arrays in the propagation direction, we then show experimentally the possibility to induce a transmission band just below this resonance frequency. The results are interpreted by means of a full wave analysis which points out the role played by the magneto inductive waves in the electromagnetic properties of such 2D ½ metamaterials with the appearance of a transmission band resulting from a magnetic activity. Potential interest of this type of microstructures derives from the possibility of tailoring the dispersion characteristics of the stacked arrays.","PeriodicalId":232128,"journal":{"name":"2009 European Microwave Conference (EuMC)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131176874","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: 5
Modeling electromagnetic emissions from PCBs in free space using equivalent dipoles 利用等效偶极子模拟自由空间中多氯联苯的电磁发射
2009 European Microwave Conference (EuMC) Pub Date : 2009-09-01 DOI: 10.23919/eumc.2009.5296280
Xin Tong, D. Thomas, K. Biwojno, A. Nothofer, P. Sewell, C. Christopoulos
{"title":"Modeling electromagnetic emissions from PCBs in free space using equivalent dipoles","authors":"Xin Tong, D. Thomas, K. Biwojno, A. Nothofer, P. Sewell, C. Christopoulos","doi":"10.23919/eumc.2009.5296280","DOIUrl":"https://doi.org/10.23919/eumc.2009.5296280","url":null,"abstract":"A method for representing the electromagnetic emissions from a printed circuit board (PCB) using an equivalent magnetic dipole model is described. The equivalent dipoles are deduced from planar magnetic near-field scans. The near and far fields are calculated from the model using the Method of Moment (MoM). Under certain modeling approximations, the model is able to predict emissions in all the regions of space for a PCB with a finite ground plane.","PeriodicalId":232128,"journal":{"name":"2009 European Microwave Conference (EuMC)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130185962","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: 8
Layout design of on-chip transformer with uniform variation of coil widths 片上变压器线圈宽度均匀变化的布局设计
2009 European Microwave Conference (EuMC) Pub Date : 2009-09-01 DOI: 10.23919/eumc.2009.5296524
H. Hsu, Sih-Han Lai, Chien-Wen Tseng, G. Fu
{"title":"Layout design of on-chip transformer with uniform variation of coil widths","authors":"H. Hsu, Sih-Han Lai, Chien-Wen Tseng, G. Fu","doi":"10.23919/eumc.2009.5296524","DOIUrl":"https://doi.org/10.23919/eumc.2009.5296524","url":null,"abstract":"A novel layout of variable width transformer is proposed to minimize the metal resistance in this study. Compared with reported paper [1], the sophisticated approach obtains a local minimum by equalizing the width ratio of primary and secondary coils. Two on-chip transformers with identical self inductance and chip area are fabricated to verify the proposed algorithm in CMOS technology. Measurement results demonstrate that the improvement of metal resistance approximates to the value of 10.36 %.","PeriodicalId":232128,"journal":{"name":"2009 European Microwave Conference (EuMC)","volume":"79 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126992072","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
Brief author index 简要作者索引
2009 European Microwave Conference (EuMC) Pub Date : 2009-09-01 DOI: 10.1109/seeup.2009.5071688
Christopher
{"title":"Brief author index","authors":"Christopher","doi":"10.1109/seeup.2009.5071688","DOIUrl":"https://doi.org/10.1109/seeup.2009.5071688","url":null,"abstract":"","PeriodicalId":232128,"journal":{"name":"2009 European Microwave Conference (EuMC)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127721291","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
A novel high-Q cavity resonator for reconfigurable WPAN applications at 60 GHz 一种用于60 GHz可重构WPAN应用的新型高q腔谐振器
2009 European Microwave Conference (EuMC) Pub Date : 2009-09-01 DOI: 10.23919/eumc.2009.5296003
Yuan Li, J. Papapolymerou
{"title":"A novel high-Q cavity resonator for reconfigurable WPAN applications at 60 GHz","authors":"Yuan Li, J. Papapolymerou","doi":"10.23919/eumc.2009.5296003","DOIUrl":"https://doi.org/10.23919/eumc.2009.5296003","url":null,"abstract":"A novel silicon micromachined high-Q cavity resonator at 60 GHz is presented in this paper. The concept of the high-Q resonator is introduced. The novel realization of the cavity resonator is demonstrated through silicon micromachining techniques. Full wave simulations are conducted to verify the propagation mode and the resonant frequency. The resonant frequency of the cavity resonator can be tuned by changing the length of a planar stub shunted to a current probe in the cavity. Experimental results validate the simulation and show great Q factors which are over 320 at the resonances for the WPAN applications.","PeriodicalId":232128,"journal":{"name":"2009 European Microwave Conference (EuMC)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128068947","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
Integrated and self-biased planar magnetic microwave circuits based on ferromagnetic nanowire substrates 基于铁磁纳米线衬底的集成自偏置平面磁微波电路
2009 European Microwave Conference (EuMC) Pub Date : 2009-09-01 DOI: 10.23919/eumc.2009.5296186
L. Carignan, T. Kodera, A. Yelon, C. Caloz, D. Ménard
{"title":"Integrated and self-biased planar magnetic microwave circuits based on ferromagnetic nanowire substrates","authors":"L. Carignan, T. Kodera, A. Yelon, C. Caloz, D. Ménard","doi":"10.23919/eumc.2009.5296186","DOIUrl":"https://doi.org/10.23919/eumc.2009.5296186","url":null,"abstract":"We present a process for the fabrication of ferromagnetic nanowire (FMNW) substrates for integrated magnetics by selective deposition into nanoporous alumina membranes. In addition to integration, these substrates offer the strong benefit of self-biasing, removing the need for an external magnet. Devices prepared by this process are compatible with PCB and MMIC technologies, permitting the production of integrated magnetic circuits. The effective permittivity and permeability of the FMNW substrates have been extracted for microstrip technology. Full-wave simulations demonstrate the possibility of an unbiased, integrated, microstrip circulator and edge-mode isolator.","PeriodicalId":232128,"journal":{"name":"2009 European Microwave Conference (EuMC)","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133126873","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: 5
60 GHz substrate integrated waveguide crossover structure 60 GHz基片集成波导交叉结构
2009 European Microwave Conference (EuMC) Pub Date : 2009-09-01 DOI: 10.23919/eumc.2009.5296165
T. Djerafi, K. Wu
{"title":"60 GHz substrate integrated waveguide crossover structure","authors":"T. Djerafi, K. Wu","doi":"10.23919/eumc.2009.5296165","DOIUrl":"https://doi.org/10.23919/eumc.2009.5296165","url":null,"abstract":"A four-port substrates integrated waveguide coupler in the form of a crossover structure is proposed and developed for signal distribution and routing applications. This coupler is composed of four-arms waveguide section connected by a central junction. It is well known that the standard crossover is generally composed of two 3 dB couplers whose loss and size are usually large. In this work, an extremely compact and low-loss 0 dB coupler (cross-over) is realised at 60GHz with the proposed coupler configuration. Measured results on the basis of the realized prototypes agree well with theoretical predictions and simulated results. This coupler is demonstrated to have a 5% relative bandwidth with less than 0.2-dB coupling loss.","PeriodicalId":232128,"journal":{"name":"2009 European Microwave Conference (EuMC)","volume":"85 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134021832","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: 31
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