Title : 
A CPW-Fed Active Microstrip Antenna Working in the C-Band
         
        
            Author : 
Giauffret, Laurent ; Laheurte, Jean-Marc
         
        
            Author_Institution : 
Laboratoire d´´Electronique, Antennes et Télécommunications, Université de Nice-Sophia Antipolis / C.N.R.S., rue Albert Einstein, 06560 Valbonne, France.
         
        
        
        
        
        
        
            Abstract : 
The design and performance of a CPW-fed microstrip antenna integrated directly with a FET amplifier are presented. The SWR of the passive antenna is less than 1.6 on a 21% bandwidth. Crosspolarisation levels below 20 dB are measured in both E and H-plane. An extra-gain of 6 dB at 5.25 Giz is obtained by adding the FET amplifier to the passive antenna.
         
        
            Keywords : 
Antenna feeds; Aperture antennas; Aperture coupled antennas; Bandwidth; Broadband antennas; Coplanar waveguides; Couplings; Dipole antennas; Microstrip antennas; Slot antennas;
         
        
        
        
            Conference_Titel : 
Microwave Conference, 1994. 24th European
         
        
            Conference_Location : 
Cannes, France
         
        
        
            DOI : 
10.1109/EUMA.1994.337483