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                            Library & Multimedia
 RF MEMS Integrated Frequency Reconfigurable Annular Slot Antenna
NCJ Number
              249137

Author(s)
          B. A. Cetiner;
                        G. R. Crusats;
                        L. Jofre;
                        N. Biyikli
Date Published

March 2010
Length
              7 pages
Annotation
              This paper reports on the development and features of a frequency reconfigurable (flow=2.4 GHz and fhigh=5.2 GHz) annular slot antenna.
Abstract
              The reconfigurability is achieved through single-arm and double-arm DC-contact microelectromechanical (MEMS) actuators, which are strategically located within the antenna geometry and the microstrip feed line.  Simulations and measurements demonstrated that the antenna has similar gain (~ 2 dB) and well-behaved radiation patterns at both frequency bands, which is a required antenna feature for multi-mode, multi-band mobile wireless communication applications.  The average value of S21 (~ -0.2 dB in the switch down-state) indicates that the switch contact resistance is ~ 2 omega.  Also, the effect of SiCr bias circuitry on the radiation and impedance characteristics is negligible.  11 figures and 24 references
      
  
          Additional Details
Grant Number(s)
        2007-IJ-CX-K025


  
  
        
  Agencies
        NIJ-Sponsored


  
  
        
  Publication Type
        Report (Technical)
                                Report (Study/Research)
                                Report (Grant Sponsored)


  
  
        
  Award
        MEMS Integrated MRA for Use in Multi-functional MRA System
    
  
  
Date Published: March 1, 2010
    
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