Title :
Improved design of the Vivaldi antenna
Author_Institution :
RAFALE, Armament Dev. Authority, Haifa, Israel
fDate :
4/1/1988 12:00:00 AM
Abstract :
The Vivaldi antenna and its feeding transition is investigated. A tapered transition from microstrip to symmetric double sided slot line, fabricated on a low dielectric constant substrate, exhibits a very wide operating frequency range, with no need for a shorting hole. The parameters of the antenna which influence the constancy of beamwidth with frequency are discussed, and the ability to determine the required beamwidth by controlling the antenna length is shown.
Keywords :
antenna feeders; antenna radiation patterns; microwave antennas; Vivaldi antenna; beamwidth; feeding transition; low dielectric constant substrate; microstrip; symmetric double sided slot line; tapered transition;
Journal_Title :
Microwaves, Antennas and Propagation, IEE Proceedings H
