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Coplanar waveguide feed for microstrip patch antennas

1992; Institution of Engineering and Technology; Volume: 28; Issue: 25 Linguagem: Inglês

10.1049/el

1350-911X

R. Smith, Jeffery T. Williams,

Advanced Antenna and Metasurface Technologies

A coplanar waveguide (CPW) loop is shown to be an effective low VSWR feed for microstrip antennas. The low VSWR transition between the CPW and the antenna is obtained without the use of a matching circuit, and it is relatively insensitive to the position of the antenna and the feed.