Knowledge Centre
Find a document written by the best international scientists in our secure database.
24776 documents found.
X-Band 1:32 Divider Network for Space Application with Excellent Amplitude and Phase Balance
X-Band 1:32 Divider Network for Space Application with Excellent Amplitude and Phase Balance Dietmar Köther, Andreas Lauer, Andreas Wien, Peter Uhlig, Günther Pautz, Gregor Möllenbeck, Jörg Berben IMST GmbH, Carl-Friedrich-Gauß-Str. 2, 47475 Kamp-Lintfort, Germany koether@imst.de, www.imst.de Abstract -- In this paper the main development issues for a X-band 1:32 distribution network are highlight
RF Module Using MCM-L and BGA Technology for 5GHz WLAN Application
RF Module Using MCM-L and BGA Technology for 5GHz WLAN Application Shigeru Hiura, Masaaki Ishida, Takaya Kitahara, Tetsuya Yamamoto Toshiba Corporation, Corporate Manufacturing Engineering Center Yokohama 235-0017, Japan, Tel: +81-45-759-1594 Abstract -- This paper presents the design concept and experimental results about small size radio frequency (RF) module for 5GHz wireless local area network
Cost-effective 60-GHz Modules with A Post-wall Planar Antenna for Gigabit Home-link Systems
Cost-effective 60-GHz Modules with A Post-wall Planar Antenna for Gigabit Home-link Systems Hiroshi Nakano, Kinjiro Kosemura, Tomoko Hamada, Yasutake Hirachi, *Jiro Hirokawa and *Makoto Ando Fujitsu Quantum Devices LTD., *Tokyo Institute of Technology Hachioji Daiichi-Seimei Bldg., 11 F, 3-20-6 Myojin-cho, Hachioji-shi, Tokyo 192-0046, Japan Phone : + 81- 426 - 48 -5793, Fax : + 81 - 426 - 48 -587
MMIC Design Techniques for Low-Cost High-Volume Commercial Modules
MMIC Design Techniques for Low-Cost HighVolume Commercial Modules John Hubert1 1 Xytrans, 5422 Carrier Dr, 32819 Orlando, USA (407) 370-9031 negotiating with MMIC vendors, reducing parts count, increasing yield, optimizing design reuse, prescreening parts, implementing offshore and/or automatic assembly approaches, identifying second sources, developing creative approaches, and investigating emer
Technology for Millimetre Wave Radiometers
Technology for Millimetre Wave Radiometers Jussi Tuovinen1, Nicholas Hughes2, Petri Jukkala2, Pekka Kangaslahti3, Timo Karttaavi1, Pekka Sjöman2, Jussi Varis1 1) MilliLab, VTT Information Technology, Tietotie 3, Espoo, P.O. Box 12021, 02044 VTT, Finland Tel +358-9-456 6508, Fax +358-9-456 7029, e-mail jussi.tuovinen@vtt.fi 2) Ylinen Electronics Ltd, Teollisuustie 9 A, 02700 Kauniainen, Finland
Ultra-wideband MMICs for remote sensing applications
Ultra-wideband MMICs for remote sensing applications Tom K. Johansen, Jens Vidkj r, Viktor Krozer, Technical University of Denmark, Oersted-DTU, Department of Electromagnetic Systems, Oersteds Plads 348, 2800 Kgs. Lyngby, Denmark, Phone:+45-45253770, E-mail:tkj@oersted.dtu.dk Abstract-- This paper presents an overview of the current activity at the Technical University of Denmark in the field of u
Polarisation agile, highly accurate T/R-Module for Synthetic Aperture Radar
Polarisation agile, highly accurate T/R-Module for Synthetic Aperture Radar U. Hackenberg, M. Adolph, H. Dreher, H. Ott, R. Reber, R. Rieger, B. Schweizer EADS Deutschland GmbH, ASE7, Wörthstr. 85, 89077 Ulm, Germany, Phone. ++49 731 392 3063 Abstract -- The paper discusses the novel architecture, development and the technical aspects of a polarisation agile, highly accurate T/R-Module. The overal
Advanced MMICs for Remote Sensing and Radar Applications
Advanced MMICs for Remote Sensing and Radar Applications M. Gloanec, M. Camiade, V. Serru, Z. Ouarch and K. Beilenhoff United Monolithic Semiconductors S.A.S Route Départementale 128 - BP 46, 91401 Orsay, France Tel: +33 1 69 33 03 08 Abstract -- Modern remote sensing systems and radars are more and more based on electronically steered antennas. Instead of using one high power tube, each radiating
ESA's Perspective on Microwave Remote Sensing
ESA's Perspective on Microwave Remote Sensing Tapani Närhi European Space Agency ESA/ESTEC, Payload Systems Division PO Box 299, 2200 AG Noordwijk, The Netherlands Abstract -- An overview is given on the planned ESA missions for the observation of the Earth from space. The technology needs of the various, mainly passive instruments are discussed. I. INTRODUCTION Microwave techniques have been emp
Microwave Remote Sensing: Needs and Requirements Concerning Technology
Microwave Remote Sensing: Needs and Requirements Concerning Technology Niels Skou Technical University of Denmark Building 348, DK 2800 Lyngby, Denmark Phone: +45 45 25 38 00, e-mail: ns@oersted.dtu.dk Abstract -- Spaceborne microwave remote sensing instruments, like the imaging radiometer and the synthetic aperture radar, are over time faced with two partly conflicting requirements: performance e