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A circular polarized electronically scanned antenna array with integrated transceiver system
A circular polarized electronically scanned antenna array with integrated transceiver system Klaus Breitsameter, Christoph Spranger, Norbert Kees and Georg Strauss Munich University of Applied Sciences Faculty of Electrical Engineering and Information Techniques -- Satellite Communication Techniques Lothstr. 64, 80335 Munich, Germany Aeromaritime Systembau GmbH, Germany Ludwig-Erhard-Str. 16, 85
A Tunable 140GHz Analog Phase Shifter With High Linearity Performance
A Tunable 140 GHz Analog Phase Shifter With High Linearity Performance F. Thome # , S. Diebold , M. Schlechtweg # , A. Leuther # , O. Ambacher # , I. Kallfass # # Fraunhofer Institute for Applied Solid State Physics IAF, Tullastrasse 72, 79108 Freiburg im Breisgau, Germany Karlsruhe Institute of Technology, Kaiserstrasse 12, 76131 Karlsruhe, Germany Passive phase shifters are known also in semi
An Ultra-Broadband Low-Noise Traveling-Wave Amplifier Based on 50nm InGaAs mHEMT Technology
An Ultra-Broadband Low-Noise Traveling-Wave Amplifier Based on 50 nm InGaAs mHEMT Technology C. Zech # , S. Diebold , S. Wagner # , M. Schlechtweg # , A. Leuther # , O. Ambacher # and I. Kallfass # # Fraunhofer Institute for Applied Solid State Physics (IAF), Tullastrasse 72, 79108 Freiburg im Breisgau, Germany Karlsruhe Institute of Technology (KIT), Kaiserstrasse 12, 76131 Karlsruhe, Germany
Q-Balancing in Periodic Leaky-Wave Antennas to mitigate Broadside Radiation Issues
Q-Balancing in Periodic Leaky-Wave Antennas to mitigate Broadside Radiation Issues Simon Otto, Amar Al-Bassam, Zhichao Chen, Andreas Rennings, Klaus Solbach, and Christophe Caloz Department HFT & ATE, University of Duisburg-Essen, Bismarckstr. 81, 47057 Duisburg, Germany Ecole Polytechnique de Montreal, 2500, ch. de Polytechnique, H3T 1J4, Montreal, Quebec, Canada Abstract--This paper illustrates
Wide-Range, Dual Six-Port based Direction-Of-Arrival Detector
Wide-Range, Dual Six-Port based Direction-Of-Arrival Detector Gabor Vinci, Francesco Barbon, Benjamin Laemmle, Robert Weigel, and Alexander Koelpin Institute for Electronics Engineering, University of Erlangen-Nuremberg, Cauerstr. 9, 91058 Erlangen, Germany gabor.vinci@ieee.org, barbon@lfte.de, benjamin.laemmle@ieee.org, weigel@lfte.de, koelpin@lfte.de Abstract--Direction-Of-Arrival (DOA) detecti
Joint Efficiency and Performance Enhancement of Wavefront Extraction Algorithms for Short-Range Super-Resolution UWB Radar
Joint Efficiency and Performance Enhancement of Wavefront Extraction Algorithms for Short-Range Super-Resolution UWB Radar Rahmi Salman, Ingolf Willms Fachgebiet Nachrichtentechnische Systeme, Universität Duisburg-Essen 47057 Duisburg, Germany, E-Mail: salman@nts.uni-due.de Abstract--To provide short-range super-resolution UWB Radar under multi-scattering conditions, an advanced wavefront detectio
Time-Varying Inverse Filtering of Range-Compressed Radar Signals
Time-Varying Inverse Filtering of Range-Compressed Radar Signals Jochen Moll, Viktor Krozer Goethe University of Frankfurt, Department of Physics, Terahertz Photonics Group, Max-von-Laue-Strasse 1, 60438 Frankfurt am Main (Germany), Phone: +49 (0) 69 798-47208, E-Mail: moll@physik.uni-frankfurt.de Abstract--This document presents a novel deconvolution approach that is applied to range-compressed r
W-Band Amplifier with 8 dB Gain Based on InPHBT Transferred-Substrate Technology
W-Band Amplifier with 8 dB Gain Based on InPHBT Transferred-Substrate Technology Thualfiqar Al-Sawaf, Chafik Meliani, Wolfgang Heinrich, and Tomas Krämer Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik (FBH), Berlin/Germany Abstract-- In this paper, the design and characterization of a single-stage amplifier based on InP/InGaAs/InP double heterojunction bipolar transistors (DH
Analysis of the Measurement Results Performed With an Ultra-Wideband Indoor Locating System
Analysis of the Measurement Results Performed With an Ultra-Wideband Indoor Locating System Lukasz Zwirello, Marlene Harter, Harry Berchtold, Johannes Schlichenmaier and Thomas Zwick Institut für Hochfrequenztechnik und Elektronik, Karlsruher Institut für Technologie (KIT), Kaiserstr. 12, 76131 Karlsruhe, Germany Email: lukasz.zwirello@kit.edu Abstract--In this work a complete Ultra-Wideband loc
A 900 MHz Voltage-Mode Class-S Power Amplifier
A 900 MHz Voltage-Mode Class-S Power Amplifier Dhamia Al-Mozani 1, Andreas Wentzel, Chafik Meliani, and Wolfgang Heinrich Ferdinand-Braun Institut (FBH), Leibniz-Institut für Höchstfrequenztechnik, 12489 Berlin / Germany 1 dhamia.al-mozani@fbh-berlin.de Abstract--This paper presents a class-S power amplifier with voltage-mode class-D topology for the 900 MHz band. The design is based on a GaN-HE