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1994 24th European Microwave Conference最新文献

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A Monolithic 2.44 GHz Transceiver Frontend 单片2.44 GHz收发器前端
1994 24th European Microwave Conference Pub Date : 1994-10-01 DOI: 10.1109/EUMA.1994.337353
W. Baumberger
{"title":"A Monolithic 2.44 GHz Transceiver Frontend","authors":"W. Baumberger","doi":"10.1109/EUMA.1994.337353","DOIUrl":"https://doi.org/10.1109/EUMA.1994.337353","url":null,"abstract":"The design, fabrication and prototype evaluation of a single chip transceiver frontend for the 2.44 GHz-frequency band is presented. The chip architecture, circuit design and the measured, results are described. The transmitter section of the IC comprises an interface to CMOS logic, a BPSK modulator providing the high carrier suppression needed for direct spread spectrum modulation, and an RF driver amplifier. The receive section is aconventional downcotiverter with an LNA stage, amixerand a three stage IF preamplifier (frequency range 50 to 500 MHz) with gain control. In addition, the chip includes a local oscillator chain to feed both TX and RX mixers (1.2 GHz oscillator, prescaler for PLL support and frequency doubler). Chip size. and power consumption is 3 mm2 and 400 mW repectively. The prototypes have been produced with a commercial GaAs-E/D foundry process and may find application in WLAN or future low cost PCS terminals.","PeriodicalId":440371,"journal":{"name":"1994 24th European Microwave Conference","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128501798","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
The Analysis Photoparametric Amplifiers Using Harmonic Balance Technique 利用谐波平衡技术分析光参量放大器
1994 24th European Microwave Conference Pub Date : 1994-10-01 DOI: 10.1109/EUMA.1994.337421
A. Khanifar, A. Khosrowbeygi, R. Green
{"title":"The Analysis Photoparametric Amplifiers Using Harmonic Balance Technique","authors":"A. Khanifar, A. Khosrowbeygi, R. Green","doi":"10.1109/EUMA.1994.337421","DOIUrl":"https://doi.org/10.1109/EUMA.1994.337421","url":null,"abstract":"The analysis and simulation techniques required to evaluate and optimize the perfcrmance of photoparametric amplifiers are presented in this paper. The photoparametric mode of operation involves optical detection and amplification within a single device. The amplifier operation is based on non-linear characteristics of the photodiode and therefore, in system applications a full evaluation of amplifier performance in terms of intermodulation distortion is required. This is particularly important when such an amplifier is used on the receiving end of a sub-carrier multiplexed system. In this paper the simulation techniques and device structures are discussed, and the results and the implications are also presented.","PeriodicalId":440371,"journal":{"name":"1994 24th European Microwave Conference","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128546130","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
On package modelling 关于包装造型
1994 24th European Microwave Conference Pub Date : 1994-10-01 DOI: 10.1109/EUMA.1994.337453
J. Ladvánszky
{"title":"On package modelling","authors":"J. Ladvánszky","doi":"10.1109/EUMA.1994.337453","DOIUrl":"https://doi.org/10.1109/EUMA.1994.337453","url":null,"abstract":"Our purpose is twofold: to compare two frequently used circuits modelling MESFET and HEMT packages, and to outline a novel task description for optimizing circuit elements of the package model.","PeriodicalId":440371,"journal":{"name":"1994 24th European Microwave Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129127061","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
An Improved Technique for Measuring the Pierce Impedance of Helix Slow-Wave Structures 螺旋慢波结构穿透阻抗测量方法的改进
1994 24th European Microwave Conference Pub Date : 1994-10-01 DOI: 10.1109/EUMA.1994.337343
P. Wang, R. Carter, B. Basu
{"title":"An Improved Technique for Measuring the Pierce Impedance of Helix Slow-Wave Structures","authors":"P. Wang, R. Carter, B. Basu","doi":"10.1109/EUMA.1994.337343","DOIUrl":"https://doi.org/10.1109/EUMA.1994.337343","url":null,"abstract":"The Pierce impedance of helix slow-wave structures has been measured using nonresonant perturbation techniques. Effects of space harmonics and TE fields were demonstrated using experimental results for the first time. It was found that there was an error in the derivation of the correction factor commonly used for the uniform-axial-field assumption. It was shown that this error should be corrected at higher frequencies for accurate measurements. Using an automated set-up and improved experimental techniques the measurement repeatability of the existing technique has been improved from 5% to 2%.","PeriodicalId":440371,"journal":{"name":"1994 24th European Microwave Conference","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129657151","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: 10
Antenna Technologies for the Second Generation of European Meteorological Satellite 第二代欧洲气象卫星天线技术
1994 24th European Microwave Conference Pub Date : 1994-10-01 DOI: 10.1109/EUMA.1994.337487
M. Lisi, V. Santachiara
{"title":"Antenna Technologies for the Second Generation of European Meteorological Satellite","authors":"M. Lisi, V. Santachiara","doi":"10.1109/EUMA.1994.337487","DOIUrl":"https://doi.org/10.1109/EUMA.1994.337487","url":null,"abstract":"The authors describe the study and the development of the latest generation of the European Meteorological Satellite. The paper focusses the spacecraft antenna farm, discussing all the technological aspects involved in the antenna subsystem design. Several antenna configurations are reviewed and trade-offs are performed. Particular attention is paid to the technologies considered, especially for the beamforming networks.","PeriodicalId":440371,"journal":{"name":"1994 24th European Microwave Conference","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129890037","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 general methodology of modelling 3D discontinuities using the TLM method 使用TLM方法建模三维不连续的一般方法
1994 24th European Microwave Conference Pub Date : 1994-10-01 DOI: 10.1109/EUMA.1994.337433
C. Boussetta, F. Ndagijimana, J. Chilo, P. Saguet
{"title":"A general methodology of modelling 3D discontinuities using the TLM method","authors":"C. Boussetta, F. Ndagijimana, J. Chilo, P. Saguet","doi":"10.1109/EUMA.1994.337433","DOIUrl":"https://doi.org/10.1109/EUMA.1994.337433","url":null,"abstract":"In this paper, we present a methodology for analysing interconnections in high speed logic devices using a full wave 3D technique. The 3D TLM method is used to compute in time domain the electromagnetic field in the structure. S-parameters of discontinuities are calculated from reflected and transmitted electromagnetic fields. An equivalent network of the discontinuity is extracted from the calculated S-parameters. This methodology is general and can be applied to any planar or 3D discontinuity, over a wide range of frequency. To illustrate its performance, results are presented for a microstrip right angle bend and a via up to 60 GHz.","PeriodicalId":440371,"journal":{"name":"1994 24th European Microwave Conference","volume":"74 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130380046","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
High Performance Microstrip Components for Mobile-Radio Antenna Systems 用于移动无线电天线系统的高性能微带元件
1994 24th European Microwave Conference Pub Date : 1994-10-01 DOI: 10.1109/EUMA.1994.337482
A. Angelucci, P. Audagnotto, P. Corda, F. Piarulli, B. Piovano
{"title":"High Performance Microstrip Components for Mobile-Radio Antenna Systems","authors":"A. Angelucci, P. Audagnotto, P. Corda, F. Piarulli, B. Piovano","doi":"10.1109/EUMA.1994.337482","DOIUrl":"https://doi.org/10.1109/EUMA.1994.337482","url":null,"abstract":"This paper presents the development of high performance multiport hybrid networks based on the Butler matrix and a new type of phase-shifters with thick film microstrip technology for mobile-radio antenna applications. A Butler matrix can be used in DCS 1800 Base Stations as a transmit combining network and as a key element of Multiport Power Amplifiers (MPA's). As far as the phase-shifters are concerned, an innovating way of providing a phase-shift together with a very accurate slope equalization of the phase over a specified frequency band of operation is shown. This constitutes a very powerful tool in view of the design of beam forming networks for multibeam or reconfigurable antennas operating over a large bandwidth. All designs were carried out using Libra software (by Eesof) to operate over the 1.7-1.9 GHz band and prototypes were manufactured on Rogers RT6006 Duroid substrate.","PeriodicalId":440371,"journal":{"name":"1994 24th European Microwave Conference","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114345225","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
Modelling Nonlinear Dispersive Media in 2D TLM 二维TLM中非线性色散介质的建模
1994 24th European Microwave Conference Pub Date : 1994-10-01 DOI: 10.1109/EUMA.1994.337470
L. de Menezes, W. Hoefer
{"title":"Modelling Nonlinear Dispersive Media in 2D TLM","authors":"L. de Menezes, W. Hoefer","doi":"10.1109/EUMA.1994.337470","DOIUrl":"https://doi.org/10.1109/EUMA.1994.337470","url":null,"abstract":"This paper describes the modelling of nonlinear dispersive media in a two-dimensional TLM mesh. The nonlinear medium behavior is represented by connecting a one-port nonlinear network to each node in the mesh (shunt or series). Using this approach the propagation of electromagnetic waves in nonlinear dispersive dielectric has been simulated and soliton waves were observed.","PeriodicalId":440371,"journal":{"name":"1994 24th European Microwave Conference","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121542661","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: 13
Uniplanar Passive Recursive Microwave Filter with Microstrip Radial-Line Power Dividers-Combiners 带微带径向线功率分配器的单平面无源递归微波滤波器
1994 24th European Microwave Conference Pub Date : 1994-10-01 DOI: 10.1109/EUMA.1994.337251
N. Elouazzani, B. Jarry, P. Guillon
{"title":"Uniplanar Passive Recursive Microwave Filter with Microstrip Radial-Line Power Dividers-Combiners","authors":"N. Elouazzani, B. Jarry, P. Guillon","doi":"10.1109/EUMA.1994.337251","DOIUrl":"https://doi.org/10.1109/EUMA.1994.337251","url":null,"abstract":"The use of microstrip radial-line dividers-combiners is a new approach in the field of microvave recursive passive filter synthesis. The filter design consists firstly of an electromagnetic theoretical analysis of microstrip radial-line dividers-combiners and secondly of its appropriate use to achieve a recursive filter transfer function. A good agreement is finally shown between theoretical and experimental results for a 2.8 GHz frequency bandwidth bandpass filter centred at 12 GHz and illustrates the validity of this synthesis.","PeriodicalId":440371,"journal":{"name":"1994 24th European Microwave Conference","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126293649","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
Novel Low-Loss Interdigitated Filters for Microwave and Millimeter-Wave Applications Using Micromachining Techniques 微加工技术用于微波和毫米波的新型低损耗交叉数字滤波器
1994 24th European Microwave Conference Pub Date : 1994-10-01 DOI: 10.1109/EUMA.1994.337404
Chen-Yu Chi, Gabriel M. Rebeiz
{"title":"Novel Low-Loss Interdigitated Filters for Microwave and Millimeter-Wave Applications Using Micromachining Techniques","authors":"Chen-Yu Chi, Gabriel M. Rebeiz","doi":"10.1109/EUMA.1994.337404","DOIUrl":"https://doi.org/10.1109/EUMA.1994.337404","url":null,"abstract":"We report on the design and measurement of a new class of stripline filters for millimeter-wave applications. The novelty in this work is to suspend the interdigitated lines on a thin dielectric membrane to eliminate the dielectric losses and to render the interdigitated filter physically realizable at millimter-wave frequencies. A wide band filter with a center frequency of 13.7 GHz and a bandwidth of 45% has been fabricated. The filter exhibits a port-to-port insertion loss of 0.7dB at 13.7 GHz. This fabrication technique can be easily used at higher frequencies to result in planar low loss filters suitable for monolithic integration or surface mount devices up to 40-60 GHz.","PeriodicalId":440371,"journal":{"name":"1994 24th European Microwave Conference","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121910295","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
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