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Design Limitations for Passive Microwave Components in Silicon MMICs
Design Limitations for Passive Microwave Components in Silicon MMICs s. Gevorgian*o, H. Jakobsono, T. Lewin°, and E. Kollberg* *Department of Microelectronics, Chalmers University of Technology, Gothenburg, 41296, Sweden Tel. +46(31) 7721727, FAX +46(31) 164513, email: spartak@ep.chalmers.se, °Core Unit Research Center, Ericsson Microwave Systems, Molndal, Sweden Tel. +46(31) 7473294, FAX +46(
A fully integrated, Silicon Bipolar RF Power Amplifier for GSM, operating from a single 3 Volt Supply Voltage
A fully integrated, Silicon Bipolar RF Power Amplifier for GSM, operating from a single 3 Volt Supply Voltage Henk Visser, Rudolf van der Last, Tomas Fric, Rainier Breunisse, Atef Akhnoukh Philips Semiconductors, Gerstweg 2, 6534 AE, Nijmegen, The Netherlands Summary: In this article the design is discussed of a commercial available, 3.5Watt, very small size, RF power amplifier for GSM mobile phon
FULLY DIGITAL ADAPTIVE CONTROL OF A FEED-FORWARD AMPLIFIER IMPLEMENTED WITH DIGITAL SIGNAL PROCESSOR
FULLY DIGITAL ADAPTIVE CONTROL OF A FEED-FORWARD AMPLIFIER IMPLEMENTED WITH DIGITAL SIGNAL PROCESSOR. S. Goasguen, G. Zhao and F.M. Ghannouchi Departement of Electrical and Computer Engineering Ecole Polytechnique de Montreal C.P. 6079, Suce. Centre Ville Montreal, Canada IDC 3A7 goasguen@univ-rennes1.ft ABSTRACT A complete digital adaptive control is introduced for the nulling and the error loop
Architecture and Performance of an Alternative DAB Receiver Chip Set
Architecture and Performance of an Alternative DAB Receiver Chip Set D. Clawin, M. Bolle, H-J. Buerger*, G. Heiter**, L. DeVito**, W. Titus***, R. Croughwell**, M. Goldfarb *, C. Schiller****. Robert Bosch GmbH, Robert Bosch Strasse 200,31141 Hildesheim, Germany *Robert Bosch Multimedia-Systeme GmbH & Co. KG, Hildesheim, Germany **Analog Devices Inc, Wilmington, MA, USA ***Analog Devices Inc, Some
An X-band even harmonic type direct converter for CDMA satellite communications
An X-band even harmonic type direct converter for CDMA satellite communications Hiroshi IKEMATSU, Ken'ichi TAJIMA, Kenji KAWAKAMI, Kenji ITOH, Yoji ISOTA and Osami ISHIDA Information Technology R&D Center, Mitsubishi Electric Corporation 5-1-1 Of una, Kamakura 247-8501, Japan, Tel: Int +81467412549 Fax: Int +8146741 2519 e-mail: ikematsu@micr04.isl.melco.co.jp Abstract This paper describes an X-b
RF characteristics of an even harmonic type direct conversion receiver for mobile communications
RF characteristics of an even harmonic type direct conversion receiver for mobile communications Mitsuhiro SHIMOZAWA, Hiroshi IKEMATSU, Ryoji HAYASHI, Kenji ITOH, Yoji ISOTA and Osami ISHIDA Information Technology R&D Center Mitsubishi Electric Corp.,5-1-1 Ofuna, Kamakura-city, Kanagawa 247-8501, JAPAN TEL: 0467-41-2549, FAX: 0467-41-2519, E-mail: simozawa@isl.melco.co.jp Abstract An even harmo
A 1.9GHz Even Harmonic Type Direct Conversion Si-MMIC Receiver
A 1.9GHz Even Harmonic Type Direct Conversion Si-MMIC Receiver Shigeru SUGIYAMA, Noriharu SUEMA TSU, Masayoshi ONO, Mitsuhiro SHIMOZA W A, Shunji KUBO*, Kenji ITOH, Yoshitada IY AMA and Osami ISIDDA Information Technology R&D Center, Mitsubishi Electric Corp. 5-1-1 Ofuna, Kamakura-city, Kanagawa 247,JAPAN tel: +81 46741 2543, fax:+81 467412519 e-mail: sugi@micr04.isl.melco.co.jp *ULSI Laboratory,
RECONSTRUCTION OF LAYERED DIELECTRIC MEDIA USING THE BAND-LIMITED REFLECTOMETRY
RECONSTRUCTION OF LAYERED DIELECTRIC MEDIA USING THE BAND-LIMITED REFLECTOMETRY V. Mikhnev Institute of Applied Physics, Akademicheskaya str., 16,220072 Minsk, Belarus ipfl04@bas24.basnet.minsk.by ABSTRACT A novel one-dimensional microwave imaging approach based on successive reconstruction of dielectric interfaces is described. The reconstruction is obtained by the Newton-Kantorovich method using
The Multichannel Self-focusing Adaptive Antenna Arrays Development
Tbe Multichannel Self-focusing Adaptive Antenna Arrays Development KOSTROMITSKY Serguei M., ANTONYUK Jury A MilitaIy Academy of the Republic ofBelaros, 220057 Minsk, Belarus e-mail: beIka@nsvs.bv. Abstract. The methods are proposed for simultaneous detection of number, position and wave front form for antenna focusing on numerous emission sources without of traditional scanning of the space with
NOISE IN THE PRESENCE OF COUPLING AMONG ANTENNA ELEMENTS
.L NOISE IN THE PRESENCE OF COUPLING AMONG ANTENNA ELEMENTS S. Demir, C. Toker, A. Hizal Dept. of Electrical and Electronics Eng., Middle East Technical Univ., Inonu Bulv., 06531 Ankara Turkey simsek-demir@metu.edu.tr, altunkan-hizal@metu.edu.tr, canan-toker@metu.edu.tr ABSTRACT: Noise temperature calculation and minimum noise temperature design offeed structures for large scale antenna arrays is