An Electronically-Scanned 1.8-2.1 GHz Base-Station Antenna Using Packaged High-Reliability RF MEMS Phase Shifters

This paper presents the first 4-element base-station antenna that is passively scanned using low-loss RF MEMS phase shifters. The design is based on packaged RF MEMS SPDT switches, which are capable of handling Watts of RF power with high reliability. The results agree very well with simulations and...

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Veröffentlicht in:	IEEE transactions on microwave theory and techniques 2013-02, Vol.61 (2), p.979-985
Hauptverfasser:	Chih-Hsiang Ko, Ho, K. M. J., Rebeiz, G. M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Antennas Applied sciences Arrays Base stations Capacitance Circuit properties Circuits of signal characteristics conditioning (including delay circuits) Distortion Electric, optical and optoelectronic circuits Electronic circuits Electronics Exact sciences and technology Handling high power Load modeling Materials handling metal contact Micro- and nanoelectromechanical devices (mems/nems) Microelectromechanical systems Micromechanical devices Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits Microwaves Phase shifters Radio frequencies Radio frequency Radiocommunications reliability RF MEMS switches Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Switches Telecommunications Telecommunications and information theory tunable circuits and devices
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Zusammenfassung:	This paper presents the first 4-element base-station antenna that is passively scanned using low-loss RF MEMS phase shifters. The design is based on packaged RF MEMS SPDT switches, which are capable of handling Watts of RF power with high reliability. The results agree very well with simulations and show pattern scanning to 9° with a measured gain of 8.6-8.3 dB at 2 GHz. The array is capable of handling 5-10 W of power with no distortion.
ISSN:	0018-9480 1557-9670
DOI:	10.1109/TMTT.2012.2231698