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Broadband High Efficient X-band MMIC Power Amplifiers for Future Radar Systems


Author: Hek, A.P. de · Bogaart, F.L.M. van den
Publisher: Technische Universiteit Eindhoven
Place: Eindhoven
Institution: TNO Fysisch en Elektronisch Laboratorium
Source:WOCSDICE 97 - 21st Workshop on Compound Semiconductor Devices and Integrated Circuits, May 25-28, 1997, Scheveningen, The Netherlands, 63-64
Identifier: 95021
Keywords: Radar


The results of a power amplifier chip set for future radar systems are discussed. Excellent broadband frequency behaviour is shown. A driver amplifier with 50% band width and an output power of more than 1.3 Watt is discussed. A high power amplifier with 30% bandwidth, 5 Watt output power and a Power Added Efficiency of more than 30% is demonstrated. The driver amplifier results demonstrate the capabilities of the pseudomorphic HEMT technology for the development of broadband single chip power amplifiers for future radar systems.