Title :
Mechanically steerable antennas using dielectric phase shifters
Author :
Kuga, Yasuo ; Junho Cha ; Ritcey, James A.
Author_Institution :
Dept. of Electr. Eng., Univ. of Washington, Seattle, WA, USA
Abstract :
A mechanically steerable antenna was designed using an adjustable phase shifter which employs a dielectric slab placed close to a coplanar TL. Numerical simulations using Ansoft HFSS were conducted at 6 GHz, and a 4-element antenna was tested. A similar design can be used for a digital phase shifter with a matched impedance at the designed frequency.
Keywords :
antenna feeds; antenna radiation patterns; coplanar waveguides; dielectric devices; directive antennas; microstrip antenna arrays; microstrip lines; microwave phase shifters; 6 GHz; Ansoft HFSS; coplanar TL; dielectric phase shifters; dielectric slab; digital phase shifter; matched impedance; mechanically steerable antenna; radiation patterns; Coplanar waveguides; Delay lines; Dielectric constant; Dielectric materials; Dielectric substrates; Impedance; Phase transformers; Phased arrays; Reflection; Slabs;
Conference_Titel :
Antennas and Propagation Society International Symposium, 2004. IEEE
Print_ISBN :
0-7803-8302-8
DOI :
10.1109/APS.2004.1329578
