1994 24th European Microwave Conference最新文献_第9页

Coplanar Hybrids based on an Enhanced Inductor Model for Mixer Applications up to mm-Wave Frequencies 基于增强型电感模型的共面混频器应用于毫米波频率

1994 24th European Microwave Conference Pub Date : 1994-10-01 DOI: 10.1109/EUMA.1994.337216

P. Pogatzki, D. Kother, R. Kulke, B. Hopf, T. Sporkmann, I. Wolff

{"title":"Coplanar Hybrids based on an Enhanced Inductor Model for Mixer Applications up to mm-Wave Frequencies","authors":"P. Pogatzki, D. Kother, R. Kulke, B. Hopf, T. Sporkmann, I. Wolff","doi":"10.1109/EUMA.1994.337216","DOIUrl":"https://doi.org/10.1109/EUMA.1994.337216","url":null,"abstract":"A designer of up-converters for mm-wave frequencies faces a problem, in that the LO frequency and RF frequency are spaced very close together. Therefore, the suppression of the LO signal is not automatically achieved with the matching networks. In order to suppress the LO signal at the output port, a filter with narrow bandwidth has to be applied or the mixer has to be set up as a balanced mixer. Normally, the second solution is more convenient. A balanced mixer can be set up by utilising 90° or 180° hybrids in conjunction with two identical single mixer stages. These hybrids consist of transmission line couplers or lumped elements. For a high packing density design lumped hybrids are the preferred solution since they utilise less chip area. Circuit design based on coplanar technique offers several advantages compared to microstrip technique as outlined by Pogatzki and Kramer (1). Accurate models for coplanar rectangular inductors which are suitable for interactive CAD were not available for mm-wave frequencies in the past. Therefore, large hybrids like Lange couplers or rat-race couplers were used to achieve the required phase conditions for balanced mixers. This paper introduces an enhanced inductor model based on Naghed and Wolff (2), Naghed et al (3), Kulke and Sporkmann (4), Pogatzki et al (5), which is valid for a wide range of geometries up to mm-wave frequencies and therefore, can be used to design 90° and 180° hybrids. These hybrids require only about 10% of the chip area that standard couplers occupy.","PeriodicalId":440371,"journal":{"name":"1994 24th European Microwave Conference","volume":"37 6","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131590219","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 Antenna Phase Pattern Measurement using the Differential Phase Method with Only One Power Meter 毫米波天线相位方向图的差分相位法测量

1994 24th European Microwave Conference Pub Date : 1994-10-01 DOI: 10.1109/EUMA.1994.337339

J. Mallat, A. Lehto, J. Tuovinen

引用次数: 0

Design and Performance of Conformal Microstrip Patch Arrays on Cylindrical Surfaces 圆柱表面共形微带贴片阵列的设计与性能

1994 24th European Microwave Conference Pub Date : 1994-10-01 DOI: 10.1109/EUMA.1994.337473

F. Rostan, G. Gottwald, W. Wiesbeck

引用次数: 11

Reduction of the Feedback Capacitance of HFETs by Changing Transistor Layout and Using Via Holes for Source Grounding 通过改变晶体管布局和采用通孔源地来减小高频场效应管的反馈电容

1994 24th European Microwave Conference Pub Date : 1994-10-01 DOI: 10.1109/EUMA.1994.337303

N. Rorsman, M. Garcia, C. Karlsson, H. Zirath

引用次数: 3

Modelling and Design of Millimetrewave Passive Circuits: from 2 to 3D 毫米波无源电路的建模与设计:从2到3D

1994 24th European Microwave Conference Pub Date : 1994-10-01 DOI: 10.1109/EUMA.1994.337197

R. Sorrentino

引用次数: 6

Modelling of PIN photodetectors for microwave and high power applications 用于微波和高功率应用的PIN光电探测器的建模

1994 24th European Microwave Conference Pub Date : 1994-10-01 DOI: 10.1109/EUMA.1994.337305

J. Harari, F. Journet, 0. Rabii, J. Van de Casteele, L. Joannes, J. Vilcot, D. Decoster, C. Dalle, M. Friscourt

引用次数: 0

A Rigorous Dispersive Characterization of Radiating Coplanar Waveguide Discontinuities and Junctions 辐射共面波导不连续和结的严格色散特性

1994 24th European Microwave Conference Pub Date : 1994-10-01 DOI: 10.1109/EUMA.1994.337501

B. Linot, M. F. Wong, Odile Picon, V. Hanna, M'Hamed Drissi

引用次数: 1

Backward and Forward Scattering by the Melting Layer Composed of Oblate Spheroidal Hydrometeors at 5-100 GHz 5-100 GHz扁圆球状水成物熔融层的前向和后向散射

1994 24th European Microwave Conference Pub Date : 1994-10-01 DOI: 10.1109/EUMA.1994.337297

W. Zhang

引用次数: 2

CAD for mm-wave resonators 毫米波谐振器的CAD

1994 24th European Microwave Conference Pub Date : 1994-10-01 DOI: 10.1109/EUMA.1994.337220

J. Freyer, B. Mayer, M. Tschernitz

引用次数: 5

Estimation of Melting-Snow Layer Attenuation and Scattering on Microwave Communication Links 微波通信链路上融雪层衰减和散射的估计

1994 24th European Microwave Conference Pub Date : 1994-10-01 DOI: 10.1109/EUMA.1994.337298

M. Kharadly, R. A. Hulays

引用次数: 4