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Design of a pulsed; 10 W; Ku-Band Solid-State Amplifier for Radar Transmitters

Ann-Marie Andersson
Saab Bofors Dynamics, Sweden

Anders Fransson
Saab Bofors Dynamics, Sweden

Göran Sällberg
Saab Bofors Dynamics, Sweden

Carl-Gustaf Svensson
Saab Bofors Dynamics, Sweden

Ladda ner artikelhttp://www.ep.liu.se/ecp_article/index.en.aspx?issue=008;article=004

Ingår i: GigaHertz 2003. Proceedings from the Seventh Symposium

Linköping Electronic Conference Proceedings 8:4, s.

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Publicerad: 2003-11-06

ISBN:

ISSN: 1650-3686 (tryckt), 1650-3740 (online)

Abstract

In radar applications there is a need for high power amplifiers. This paper describes the design and performance of a pulsed solid state amplifier for radar transmitters. The amplifier is designed of four cascaded commercial amplifiers (Excelics 8 W Internally Matched Power FET; EIA 1616-8P) with micro strip technology on Rogers laminate RO3000. The amplifier works in frequency range 15.5 to 17.5 GHz. The drain voltage is pulsed by a pulse aggregate also designed at Saab Bofors Dynamics. In pulse mode the output power is 10 W (40 dBm) in the frequency range 15.5 to 16.5 GHz and the gain is about 20 dB. In this paper we describe the amplifier design and performance. We also show the results from simulations and measurements during the design stage and discuss the problems we had.

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Referenser

[1] A-M Andersson; C-G Svensson; “Temperature rise; due to high DC currents; in bias circuits of microstrip lines”; GHz 2001.

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