1985 15th European Microwave Conference最新文献

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Coupled Transmission Line as a DC Isolating Phase Shifter Matching Network 耦合传输线作为直流隔离移相器匹配网络
1985 15th European Microwave Conference Pub Date : 1985-10-01 DOI: 10.1109/EUMA.1985.333583
J. P. Starski, B. Albinsson
{"title":"Coupled Transmission Line as a DC Isolating Phase Shifter Matching Network","authors":"J. P. Starski, B. Albinsson","doi":"10.1109/EUMA.1985.333583","DOIUrl":"https://doi.org/10.1109/EUMA.1985.333583","url":null,"abstract":"A matching network for a hybrid coupler phase shifter consisting of a pair of coupled transmission lines with arbitrary length is presented. The design results in a more compact structure. The design ensures a DC isolation between the phase shifter bits.","PeriodicalId":177448,"journal":{"name":"1985 15th European Microwave Conference","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1985-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121052341","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
Optimization of the Multi-Point Method of Cavity Q-Factor Determination in the Microwave Frequency Range 微波频率范围内腔q因子多点测定方法的优化
1985 15th European Microwave Conference Pub Date : 1985-10-01 DOI: 10.1109/EUMA.1985.333528
A. Milewski, Z. Howakowski
{"title":"Optimization of the Multi-Point Method of Cavity Q-Factor Determination in the Microwave Frequency Range","authors":"A. Milewski, Z. Howakowski","doi":"10.1109/EUMA.1985.333528","DOIUrl":"https://doi.org/10.1109/EUMA.1985.333528","url":null,"abstract":"","PeriodicalId":177448,"journal":{"name":"1985 15th European Microwave Conference","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1985-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122657543","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
Multimode Analysis of Rectangular Waveguide Transitions 矩形波导跃迁的多模分析
1985 15th European Microwave Conference Pub Date : 1985-10-01 DOI: 10.1109/EUMA.1985.333564
M. Sipila
{"title":"Multimode Analysis of Rectangular Waveguide Transitions","authors":"M. Sipila","doi":"10.1109/EUMA.1985.333564","DOIUrl":"https://doi.org/10.1109/EUMA.1985.333564","url":null,"abstract":"A method is presented to calculate the multimode scattering matrix of a continuous tapered rectangular waveguide transition. The method is based on approximating the transition by cascaded uniform waveguide sections, determining the scattering matrices of their junctions by a mode-matching method, and combining the matrices to yield the overall scattering matrix. The effect of non-propagating modes is included. Twocriteria for convergence and a numerical example are given.","PeriodicalId":177448,"journal":{"name":"1985 15th European Microwave Conference","volume":"252 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1985-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122719580","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
Low-Noise 45 GHz HEMT Mixer 低噪音45 GHz HEMT混频器
1985 15th European Microwave Conference Pub Date : 1985-10-01 DOI: 10.1109/EUMA.1985.333544
Stephen A. Mass
{"title":"Low-Noise 45 GHz HEMT Mixer","authors":"Stephen A. Mass","doi":"10.1109/EUMA.1985.333544","DOIUrl":"https://doi.org/10.1109/EUMA.1985.333544","url":null,"abstract":"A low-noise 45 GHz mixer with a 3 GHz IF frequency has been developed using a GaAs HEMT device. This is the first active mixer reported above 30 GHz and the first HEMT mixer. It achieves unity gain over a 2 GHz bandwidth and a minimum SSB noise figure of 7.1 dB, including the noise from an IF amplifier.","PeriodicalId":177448,"journal":{"name":"1985 15th European Microwave Conference","volume":"71 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1985-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124615750","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
Cad of Nonlinear Microwave Devices: Development of a Balanced Mixer Having More than 3 Octaves Bandwidth 非线性微波器件Cad:一种带宽大于3倍频的平衡混频器的研制
1985 15th European Microwave Conference Pub Date : 1985-10-01 DOI: 10.1109/EUMA.1985.333532
B. Schuppert
{"title":"Cad of Nonlinear Microwave Devices: Development of a Balanced Mixer Having More than 3 Octaves Bandwidth","authors":"B. Schuppert","doi":"10.1109/EUMA.1985.333532","DOIUrl":"https://doi.org/10.1109/EUMA.1985.333532","url":null,"abstract":"A computer assisted design of a microwave balanced mixer is presented /1/. It will be demonstrated that even in the presence of a dominant nonlinearity such as one or more mixer diodes a satisfying prediction of a rather complex circuit behaviour can be achieved. The theoretical results will be verified by experiments considering planar balanced mixers.","PeriodicalId":177448,"journal":{"name":"1985 15th European Microwave Conference","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1985-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123358731","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
Stable Standard Voltages of 1 VOLT By Improved Design of Superconducting MICCs with 1440 Jsephson Junctions 1440个约瑟夫森结超导微型集成电路改进设计稳定标准电压为1伏特
1985 15th European Microwave Conference Pub Date : 1985-10-01 DOI: 10.1109/EUMA.1985.333589
E. Vollmer, J. Hinken, J. Niemeyer, W. Meier
{"title":"Stable Standard Voltages of 1 VOLT By Improved Design of Superconducting MICCs with 1440 Jsephson Junctions","authors":"E. Vollmer, J. Hinken, J. Niemeyer, W. Meier","doi":"10.1109/EUMA.1985.333589","DOIUrl":"https://doi.org/10.1109/EUMA.1985.333589","url":null,"abstract":"The improved design of superconducting MMICs with 1440 Josephson tunnel-junctions is described. The junctions are integrated in four series arrays with a parallel rf supply and a series de circuit. MMICs designed for 70 and 90 GHz have been realized and tested. They produce stable quantized voltage steps up to 1.2 V. The long time stability of the 1 V step is greater than five hours. The output voltage was compared with the voltage of a Weston cell.","PeriodicalId":177448,"journal":{"name":"1985 15th European Microwave Conference","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1985-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123732539","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
A Shifted Reference Receiver for the Measurement of Phase Noise in Microwave Amplifiers 一种用于微波放大器相位噪声测量的移位参考接收机
1985 15th European Microwave Conference Pub Date : 1985-10-01 DOI: 10.1109/EUMA.1985.333525
L. Bernier, F. Gardiol
{"title":"A Shifted Reference Receiver for the Measurement of Phase Noise in Microwave Amplifiers","authors":"L. Bernier, F. Gardiol","doi":"10.1109/EUMA.1985.333525","DOIUrl":"https://doi.org/10.1109/EUMA.1985.333525","url":null,"abstract":"The present work is devoted to the characterization and measurement of the phase instabilities produced by microwave amplifiers. We describe a special receiver designed for phase noise measurements at low Fourier frequencies. i.e. very close to the carrier in the spectral domain. Phase noise measurements of a microwave amplifier are presented and the noise floor of the receiver is shown and discussed.","PeriodicalId":177448,"journal":{"name":"1985 15th European Microwave Conference","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1985-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116468349","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
Application of the Spectral Domain Approach and the Modal Analysis to Three Dimensional Discontinuity Problems 谱域法和模态分析在三维不连续问题中的应用
1985 15th European Microwave Conference Pub Date : 1985-10-01 DOI: 10.1109/EUMA.1985.333620
V. Hanna, J. Citerne
{"title":"Application of the Spectral Domain Approach and the Modal Analysis to Three Dimensional Discontinuity Problems","authors":"V. Hanna, J. Citerne","doi":"10.1109/EUMA.1985.333620","DOIUrl":"https://doi.org/10.1109/EUMA.1985.333620","url":null,"abstract":"This tutorial paper reviews some fundamental principles in applying the Modal Analysis accompanied by the Spectral Domain Approach to the solution of a broad class of three dimensional uniaxial discontinuity problems. It is shown that this combination offers efficient computation of coupling coefficients between eigenmodes at a discontinuity. A case study of a finline complex discontinuity is presented for which it was found that the computed values of reflection and transmission coefficients were in a good agreement with the measured ones.","PeriodicalId":177448,"journal":{"name":"1985 15th European Microwave Conference","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1985-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121465410","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
Finite Element Analysis of Three-Dimensional Electromagnetic Devices 三维电磁器件的有限元分析
1985 15th European Microwave Conference Pub Date : 1985-10-01 DOI: 10.1109/EUMA.1985.333618
R. L. Ferrari
{"title":"Finite Element Analysis of Three-Dimensional Electromagnetic Devices","authors":"R. L. Ferrari","doi":"10.1109/EUMA.1985.333618","DOIUrl":"https://doi.org/10.1109/EUMA.1985.333618","url":null,"abstract":"This paper describes the use of stationary functionals, written in terms of complex phasor high frequency fields, to set up finite element schemes for solving electromagnetic problems associated with cavities or waveguides loaded with lossy or active material. Attention is focussed upon problems with truly three-dimensional geometry. It is described how scattering parameters of objects within waveguide may be obtained. Generalisation of the method in terms of Lapace-transformed variables and for anisotropic materials is discussed.","PeriodicalId":177448,"journal":{"name":"1985 15th European Microwave Conference","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1985-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121943986","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
Millimeter Wave GaAs IMPATT Diodes 毫米波砷化镓冲击二极管
1985 15th European Microwave Conference Pub Date : 1985-10-01 DOI: 10.1109/EUMA.1985.333474
D. Masse, M. Adlerstein, L. Holway
{"title":"Millimeter Wave GaAs IMPATT Diodes","authors":"D. Masse, M. Adlerstein, L. Holway","doi":"10.1109/EUMA.1985.333474","DOIUrl":"https://doi.org/10.1109/EUMA.1985.333474","url":null,"abstract":"Amplifiers and oscillators, using gallium arsenide (GaAs) double-drift IMPATT diodes have become one of the leading solid-state contenders to replace electron tubes as power sources in millimeter wave systems. In this paper, we describe the state-of-the-art performance obtained in our laboratory through device and circuit modeling. Some results obtained at frequencies ranging from 20 to 94 GHz are shown.","PeriodicalId":177448,"journal":{"name":"1985 15th European Microwave Conference","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1985-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122285928","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
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