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Elliptic Microwave Filter using Dual Modes of Dielectric Resonators 介质谐振器双模椭圆型微波滤波器
1985 15th European Microwave Conference Pub Date : 1985-10-01 DOI: 10.1109/EUMA.1985.333502
J. Astier, P. Guillon
{"title":"Elliptic Microwave Filter using Dual Modes of Dielectric Resonators","authors":"J. Astier, P. Guillon","doi":"10.1109/EUMA.1985.333502","DOIUrl":"https://doi.org/10.1109/EUMA.1985.333502","url":null,"abstract":"This paper discusses the electromagnetic and electrical parameters available for the analysis of an elliptic dielectric resonator dual mode filter. An example of a practical filter for 4 GHz frequency is presented.","PeriodicalId":177448,"journal":{"name":"1985 15th European Microwave Conference","volume":"55 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":"127921665","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: 7
Embedding Impedance Measurements for mm-Wave SIS Mixers 毫米波SIS混频器的嵌入阻抗测量
1985 15th European Microwave Conference Pub Date : 1985-10-01 DOI: 10.1109/EUMA.1985.333494
A. Raisanen, W. R. McGrath, D. Crété, P. Richards
{"title":"Embedding Impedance Measurements for mm-Wave SIS Mixers","authors":"A. Raisanen, W. R. McGrath, D. Crété, P. Richards","doi":"10.1109/EUMA.1985.333494","DOIUrl":"https://doi.org/10.1109/EUMA.1985.333494","url":null,"abstract":"Several scaled models have been used to determine the contributions of various waveguide mount parameters to the embedding impedance of a mm-wave superconductor-insulator-superconductor (SIS) mixer. Measured effects of waveguide height, substrate orientation and width, junction location, lead inductance and RF-filter impedance are presented and discussed.","PeriodicalId":177448,"journal":{"name":"1985 15th European Microwave Conference","volume":"109 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":"132537216","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 Field Theoretical Analysis of Ferrite-Loaded Image Line Isolators for the Ka-Band ka波段铁氧体负载像线隔离器的场论分析
1985 15th European Microwave Conference Pub Date : 1985-10-01 DOI: 10.1109/EUMA.1985.333581
D. Kother, I. Wolff, A. Beyer
{"title":"A Field Theoretical Analysis of Ferrite-Loaded Image Line Isolators for the Ka-Band","authors":"D. Kother, I. Wolff, A. Beyer","doi":"10.1109/EUMA.1985.333581","DOIUrl":"https://doi.org/10.1109/EUMA.1985.333581","url":null,"abstract":"A ferrite isolator in image line technique is investigated both theoretically and experimentally. The used theoretical analysis method allows an exact description of the electromagnetic field in a multilayered structure. The feasibility of a dielectric image line field displacement isolator for the Ka-band is demonstrated.","PeriodicalId":177448,"journal":{"name":"1985 15th European Microwave Conference","volume":"1 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":"134522448","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: 7
A New Approach to Fundamental Frequency Analysis and Optimization of NonLinear Microwave Circuits 非线性微波电路基频分析与优化的新方法
1985 15th European Microwave Conference Pub Date : 1985-10-01 DOI: 10.1109/EUMA.1985.333530
M. C. Albuquerque, C. Guo, J. Obregon
{"title":"A New Approach to Fundamental Frequency Analysis and Optimization of NonLinear Microwave Circuits","authors":"M. C. Albuquerque, C. Guo, J. Obregon","doi":"10.1109/EUMA.1985.333530","DOIUrl":"https://doi.org/10.1109/EUMA.1985.333530","url":null,"abstract":"A new theoretical approach to the design of n.port nonlinear microwave circuits is presented. Given a nonlinear element, its behavior is optimized independently of any embedding circuit. Linear circuit synthesis may then be performed by usual methods. The proposed method may be extended to n frequency component signal optimizations. Numerical examples are given.","PeriodicalId":177448,"journal":{"name":"1985 15th European Microwave Conference","volume":"82 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":"128942998","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: 12
Directional Cuplers with Very Flat Cuplings using Π Guide 定向耦合器与非常平坦的耦合器使用Π指南
1985 15th European Microwave Conference Pub Date : 1985-10-01 DOI: 10.1109/EUMA.1985.333588
J. Rdriguez, A. Prieto
{"title":"Directional Cuplers with Very Flat Cuplings using Π Guide","authors":"J. Rdriguez, A. Prieto","doi":"10.1109/EUMA.1985.333588","DOIUrl":"https://doi.org/10.1109/EUMA.1985.333588","url":null,"abstract":"In this work, the π guide is proposed as an alternative to increase the bandwidth of the proximity directional couplers made. with dielectric guide and capable of giving a coupling factor practically constant with the frequency. Two theoretical methods have been used in the analysis of the coupled guides: the effective dielectric constant method and Schelkunoff's method. The inclusion of metallic walls, in the curved zones, avoid additional couplings and reduce the radiation losses allowing, furthermore, the fine adjustment of the coupling.","PeriodicalId":177448,"journal":{"name":"1985 15th European Microwave Conference","volume":"1 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":"133303319","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 Sensitive Cavity-Based Gas-Spectrometer for Broadband Operation at 26 - 40 GHZ 用于26 - 40ghz宽带工作的灵敏腔型气相光谱仪
1985 15th European Microwave Conference Pub Date : 1985-10-01 DOI: 10.1109/EUMA.1985.333591
R. Reinschlussel, B. Schiek
{"title":"A Sensitive Cavity-Based Gas-Spectrometer for Broadband Operation at 26 - 40 GHZ","authors":"R. Reinschlussel, B. Schiek","doi":"10.1109/EUMA.1985.333591","DOIUrl":"https://doi.org/10.1109/EUMA.1985.333591","url":null,"abstract":"A highly sensitive microwave spectrometer for the analysis of gases has been developed, using a long H01-resonator. The system is tunable in the whole Ka-band, i.e. from 26 to 40 GHz. It employs a Stark modulation technique and has been optimized with respect to converted FM-noise and detector noise for maximum sensitivity. The spectra of several test gases have been measured with limiting sensitivities for e.g. SO2 of 3 ppm and C2H4F2 of 1.8 ppm at a 1 Hz filter bandwidth.","PeriodicalId":177448,"journal":{"name":"1985 15th European Microwave Conference","volume":"11 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":"115224108","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
Universal Design Curves for Effects of Dispersion in Phased Array Radars 相控阵雷达色散效应的通用设计曲线
1985 15th European Microwave Conference Pub Date : 1985-10-01 DOI: 10.1109/EUMA.1985.333538
W. Shrader
{"title":"Universal Design Curves for Effects of Dispersion in Phased Array Radars","authors":"W. Shrader","doi":"10.1109/EUMA.1985.333538","DOIUrl":"https://doi.org/10.1109/EUMA.1985.333538","url":null,"abstract":"Wide bandwidth waveforms, providing high range resolution, are becoming increasingly prevalent with the advent of diminiscing costs for signal processing. However, phased array radars that do not incorporate time-delay steering suffer dispersion loss and pulse broadening effects from wide bandwidth waveforms. This paper presents universal design curves for quantifying the effects of dispersion in corporate-fed (equal line length) phased arrays. These curves are applicable to all shapes of aperture (linear, rectangular, oval, or circular) and to all types of waveforms (unmodulated pulses, frequency modulated, and phased coded). Conversion factors are presented to convert physical aperture size to effective aperture size for different aperture shapes and illumination functions. Similarly, conversion factors are presented for determining effective pulse length for the radar pulses whether the pulses are unmodulated, phase coded, or frequency modulated with a large spread of time-sidelobe design levels.","PeriodicalId":177448,"journal":{"name":"1985 15th European Microwave Conference","volume":"48 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":"124328820","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: 4
The Analysis of Inset Dielectric Guide using Transverse Resonance Diffraction 插入介质波导的横向共振衍射分析
1985 15th European Microwave Conference Pub Date : 1985-10-01 DOI: 10.1109/EUMA.1985.333566
S. Hedges, T. Rozzi
{"title":"The Analysis of Inset Dielectric Guide using Transverse Resonance Diffraction","authors":"S. Hedges, T. Rozzi","doi":"10.1109/EUMA.1985.333566","DOIUrl":"https://doi.org/10.1109/EUMA.1985.333566","url":null,"abstract":"This paper presents an analysis of the inset dielectric guide which is an easy to manufacture transmission medium for microwave and millimetre waves. Transverse Resonance Diffraction is used to form a system of two coupled integral eigenvalue equations for the propagation constant. This system is solved by the Galerkin's method leading to a scalar transverse equivalent circuit for the mode of propagation similar to that of a discontinuity in waveguide. The basis functions are chosen so as to take into account the correct boundary conditions for the field at the metal edges. Computed results for the dispersion are compared with experiment.","PeriodicalId":177448,"journal":{"name":"1985 15th European Microwave Conference","volume":"2 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":"117036249","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: 4
Amplitude Scintillation Spectra in a Low Elevation Downlink from Sirio Satellite Sirio卫星低空下行链路的振幅闪烁光谱
1985 15th European Microwave Conference Pub Date : 1985-10-01 DOI: 10.1109/EUMA.1985.333605
P. G. Marchetti, U. Merlo
{"title":"Amplitude Scintillation Spectra in a Low Elevation Downlink from Sirio Satellite","authors":"P. G. Marchetti, U. Merlo","doi":"10.1109/EUMA.1985.333605","DOIUrl":"https://doi.org/10.1109/EUMA.1985.333605","url":null,"abstract":"Amplitude scintillations in a low elevation link from SIRIO satellite are discussed. Examples of power spectra obtained during calm summer nights, clear sky noons and in presence of clouds are shown. Selected noon spectra have been compared to radiosoundigs and known model of turbulence has been found appropriate to describe the spectra, if some simple assumptions are made. A method for estimating theoretical scintillation power is outlined which may lead to more accurate estimates of turbulence parameters.","PeriodicalId":177448,"journal":{"name":"1985 15th European Microwave Conference","volume":"15 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":"121993379","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
Theoretical and Experimental Broadband Characterisation of Multiturn Square Spiral Inductors in Sandwich Type GaAs MMICs 夹心型GaAs mmic中多匝方形螺旋电感的理论与实验宽带特性
1985 15th European Microwave Conference Pub Date : 1985-10-01 DOI: 10.1109/EUMA.1985.333600
R. Jansen, L. Wiemer, H. J. Finlay, J. R. Suffolk, B. Roberts, R. Pengelly
{"title":"Theoretical and Experimental Broadband Characterisation of Multiturn Square Spiral Inductors in Sandwich Type GaAs MMICs","authors":"R. Jansen, L. Wiemer, H. J. Finlay, J. R. Suffolk, B. Roberts, R. Pengelly","doi":"10.1109/EUMA.1985.333600","DOIUrl":"https://doi.org/10.1109/EUMA.1985.333600","url":null,"abstract":"Multiturn rectangular spiral inductors in GaAs MMICs have been characterised theoretically and experimentally. The theoretical description developed is suited for layout-oriented CAD. It uses a rigorous multi strip analysis for the spiral substructures combined with a network approach and corrections for three-dimensional effects. Good agreement is obtained with corresponding broadband S-parameter measurements. A detailed consideration indicates that the modelling accuracy achieved is in the order of magnitude of manufacturing reproducibility.","PeriodicalId":177448,"journal":{"name":"1985 15th European Microwave Conference","volume":"57 11","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1985-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120854282","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: 12
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