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A circular polarized electronically scanned antenna array with integrated transceiver system

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4 Author(s)
Breitsameter, K. ; Fac. of Electr. Eng. & Inf. Tech., Munich Univ. of Appl. Sci., Munich, Germany ; Spranger, C. ; Kees, N. ; Strauss, G.

TEM-horn antennas are excellent candidates to build up an electronically scanned antenna array with scanning angles larger than 50° and radiation efficiency better than 95% [1], [2]. Another important characteristic of such arrays is the minor degradation of gain under scanning, typically 1 dB at a scanning angle of 45°. Additionally the use of TEM-horn radiators allows the easy integration of components in rectangular wave guide technique like feeding networks, filters, directional couplers or orthomode transducers [3]. This contribution discusses results of an array with integrated duplexers in RWG technique, which is steerable about one axis. The general setup, simulations and measurements of radiation patterns (circular polarized) are presented.

Published in:

Microwave Conference (GeMiC), 2012 The 7th German

Date of Conference:

12-14 March 2012