First demonstration of a conductor backed coplanar waveguide fed quasi-Yagi antenna

Author

Leong, K.M.K.H. ; Yongxi Qian ; Itoh, T.

Author_Institution

Dept. of Electr. Eng., California Univ., Los Angeles, CA, USA

Volume

3

fYear

2000

fDate

16-21 July 2000

Firstpage

1432

Abstract

A planar microstrip fed quasi-Yagi antenna has been developed, which demonstrates excellent radiation characteristics over a broad frequency range. In this paper, the concepts that have made the microstrip quasi-Yagi so successful are applied in the development of a conductor backed coplanar waveguide (CB-CPW) antenna with the same desirable radiation characteristics. An X-band prototype with CB-CPW feed is presented with a measured bandwidth of 27%, 14 dB front-to-back ratio, and lower than -16 dB cross polarization level at 9 GHz.

Keywords

Yagi antenna arrays; antenna feeds; antenna radiation patterns; coplanar waveguides; planar antenna arrays; 9 GHz; CB-CPW feed; SHF; X-band prototype antenna; conductor backed coplanar waveguide; conductor backed coplanar waveguide antenna; coplanar waveguide fed quasi-Yagi antenna; cross polarization level; frequency range; front-to-back ratio; measured bandwidth; microstrip quasi-Yagi antenna; planar microstrip antenna; radiation characteristics; Antenna measurements; Bandwidth; Conductors; Coplanar waveguides; Dipole antennas; Frequency; Microstrip antennas; Prototypes; Reflector antennas; Slot antennas;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation Society International Symposium, 2000. IEEE

Conference_Location

Salt Lake City, UT, USA

Print_ISBN

0-7803-6369-8

Type

conf

DOI

10.1109/APS.2000.874473

Filename

874473