Title :
An Electronically-Scanned 1.8–2.1 GHz Base-Station Antenna Using Packaged High-Reliability RF MEMS Phase Shifters
Author :
Chih-Hsiang Ko ; Ho, K.M.J. ; Rebeiz, Gabriel M.
Author_Institution :
Electr. & Comput. Dept., Univ. of California, San Diego, La Jolla, CA, USA
Abstract :
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.
Keywords :
antennas; microswitches; phase shifters; reliability; RF MEMS SPDT switches; base-station antenna; frequency 1.8 GHz to 2.1 GHz; high-reliability RF MEMS phase shifters; low-loss RF MEMS phase shifters; Arrays; Capacitance; Load modeling; Micromechanical devices; Phase shifters; Radio frequency; Switches; Base stations; RF MEMS switches; high power; metal contact; phase shifters; reliability; tunable circuits and devices;
Journal_Title :
Microwave Theory and Techniques, IEEE Transactions on
DOI :
10.1109/TMTT.2012.2231698
