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GAAS: A Universal GaAs HBT PA with Active Bias Circuitry, Covering 4.9-6 GHz
A Universal GaAs HBT PA with Active Bias Circuitry, Covering 4.9-6 GHz Andrew Dearn1, Tony Richards1, Liam Devlin1, Wing Yau2, Owen Wu2 1 Plextek Ltd., Great Chesterford, Essex, CB10 1NY, UK, +44 1799 533200 2 GCS Inc., Torrance, CA 90505, USA, +1 310 530 7274 Abstract -- This paper describes the design, fabrication and measured performance of a 4.9 to 6GHz Power Amplifier IC developed on a comm
GAAS: Analysis of Sensitivity for Low-Pass Multilayer Optical Filters
Analysis of Sensitivity for Low-Pass Multilayer Optical Filters A.Massaro, L.Pierantoni, Member IEEE, C.Ciandrini, T.Rozzi, Fellow IEEE Dipartimento di Elettromagnetismo e Bioingegneria, Università Politecnica delle Marche, via Brecce Bianche 12,I60131, Ancona, Italy. e-mail: MassaroAle@libero.it, luca.pierantoni@univpm.it, C.Ciandrini@vodafone.it. Abstract -- Integrated optical and millimetric c
GAAS: 2^7-1 SiGe PRBS Generator IC up to 86 Gbit/s
2 -1 SiGe PRBS Generator IC up to 86 Gbit/s O. Wohlgemuth, W. Müller, T. Link, R. Lederer and P. Paschke Lucent Technologies, Optical Networking Group, Thurn-und-Taxis-Str. 10, 90411 Nuremberg, Germany, Phone: ++49 911 5263814, Fax: ++49 911 5264823, e-mail: ow2@lucent.com 7 Abstract-- Design and performance of a high speed 2 -1 pseudo random bit sequence (PRBS) generator chip is presented. The
GAAS: Direct On-Wafer Non-Invasive Thermal Monitoring of AlGaN/GaN Power HFETs Under Microwave Large Signal Conditions
Direct On-Wafer Non-Invasive Thermal Monitoring of AlGaN/GaN Power HFETs Under Microwave Large Signal Conditions S. Nuttinck1, R. Mukhopadhyay1, C. Loper2, S. Singhal3, M. Harris2, and J. Laskar1 1 2 3 Georgia Electronic Design Center, School of E.C.E., Georgia Institute of Technology, Atlanta, GA 30332 Georgia Tech Research Institute, Electro-Optics, Environment, and Materials Lab., Atlanta, GA
EuRAD: Multi-Frequency Polarimetric Synthetic Aperture Radar for Surface and Subsurface Sensing
Multi-Frequency Polarimetric Synthetic Aperture Radar for Surface and Subsurface Sensing B.Kutuza1, A.Davidkin2, A.Dzenkevitch2, A.Kalinkevitch1, V.Manakov2, V.Plushchev2, O.Shishkova1, V.Verba2, E.Vostrov2 1 Institute of Radio Engineering and Electronics, 11, Mokhovaya st., Moscow, Russia, 101999 2 VEGA Corporation, 34, Kutuzovsky Ave.,Moscow, Russia, 121170 Abstract -- The aircraft based mult
EuRAD: Radar Development at the Technical University Delft After World War II
Radar Development at the Technical University Delft after World War II. L. Krul, professor emeritus. Technical University Delft, Faculty of EEMCS, P.O.Box 5031, Phone +31 15 2786230 Abstract -- In a brief historic overview, it is described how radar was introduced at the Technical University Delft. After that a few applications will illustrate how radar has developed since then from a small scale
EuRAD: Advanced Ground Based ESCAN Radars
Advanced Ground Based Escan Radars Werner Sieprath EADS Deutschland GmbH, Defence Electronics, Woerthstr. 85, D-89077 Ulm, Germany werner.sieprath@sysde.eads.net Abstract -- Electronically Scanned Radars (ESCAN Radars) are key systems elements of ground based military systems being developed for air defence against future threats including tactical ballistic missiles. The radar design is governed
EuRAD: Naval Radar in a Littoral Environment
Naval Radar in a Littoral Environment R.V. de Jongh1 1 THALES Nederland B.V., Joint Radar Sensors, Haaksbergerstraat 49, P.O. Box 42, 7550 GD, Hengelo, The Netherlands wind turbines, road traffic and dense concentration of birds have an impact on the radar performance. Large number and variety of targets: littoral environments have more targets, including many neutral targets. Also the variety of
EuRAD: Current Status of Airborne Active Phased Array (AESA) Radar Systems and Future Trends
Current Status of Airborne Active Phased Array (AESA) Radar Systems and Future Trends Hans Hommel, Heinz-Peter Feldle EADS Deutschland GmbH, Woerthstrasse 85, 89077 Ulm, Germany Abstract AESA technology reached a mature technology level and is being adopted by advanced radar programmes. T/R modules are the key enabling technology and cost reduction efforts in this field are in progress. For futur
EuRAD: Digital Beam Forming Synthetic Aperture Radar
Digital Beam Forming Synthetic Aperture Radar Heer, C1, Shutie P.F2 EADS Astrium, AED432, 88039 FN, Germany EADS Astrium, AED431, 88039 FN, Germany, MIEEE 1 2 Abstract -- This paper provides an overview of two recently completed SAR studies at Astrium together with a summary of the capabilities of the TSX (TerraSAR-X) satellite. The two studies: HRWS (High Resolution Wide Swath radar) and LCMA (