Title :
RF-MEMS capacitive series switches of CPW and MSL configurations for reconfigurable antenna application
Author :
Won Jung, Chang ; De Flaviis, Franco
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., California Univ., Irvine, CA, USA
Abstract :
The air-bridged RF-MEMS switches in single pole single throw (SPST) transmission lines are presented for reconfigurable antenna application. The RF characteristics of capacitive series switches are analyzed, measured, and compared with microstrip line (MSL) and coplanar waveguide (CPW) structures. RF-MEMS series switches are monolithic fabricated in both transmission line structures on glass substrate of dielectric constant, εr = 7.4. The reconfigurable multibeam spiral antenna (fo = 11 GHz), which is monolithic integrated with RF-MEMS capacitive series switches on the same glass substrates is also presented as an example of the use of in-line MEMS series switches for reconfigurable antenna applications.
Keywords :
coplanar waveguides; microstrip antennas; microstrip lines; microswitches; multibeam antennas; spiral antennas; 11 GHz; CPW; MSL; RF-MEMS capacitive series switches; SPST transmission lines; air-bridged RF-MEMS switches; coplanar waveguide; glass substrate; microstrip line; monolithic fabrication; multibeam spiral antenna; reconfigurable antenna; single pole single throw transmission lines; Antenna measurements; Coplanar transmission lines; Coplanar waveguides; Dielectric measurements; Dielectric substrates; Glass; Radio frequency; Radiofrequency microelectromechanical systems; Switches; Transmission line antennas;
Conference_Titel :
Antennas and Propagation Society International Symposium, 2005 IEEE
Print_ISBN :
0-7803-8883-6
DOI :
10.1109/APS.2005.1551834
