Title :
UWB pyramidal monopole antenna with wide tunable band-notched behaviour
Author :
Hu, Z.H. ; Hall, Peter S. ; Kelly, James R. ; Gardner, Peter
Author_Institution :
Sch. of Electron., Electr. & Comput. Eng., Univ. of Birmingham, Birmingham, UK
Abstract :
An ultra-wideband (UWB) antenna with well controlled omnidirectional patterns and a band notch is presented. The antenna consists of a pyramidal monopole with slots in each face, the resonant frequency of which can be controlled using a variable capacitor. Performance is demonstrated with fixed capacitors, showing tuning over a very wide frequency range of 4.8 to 7.472 GHz and low pattern ripple in the azimuth plane even at the high end of the band.
Keywords :
antenna radiation patterns; capacitors; microwave antennas; monopole antennas; slot antennas; ultra wideband antennas; UWB pyramidal monopole antenna; azimuth plane; omnidirectional pattern; resonant frequency; slot antenna; ultra-wideband antenna; variable capacitor; wide tunable band notched behaviour;
Journal_Title :
Electronics Letters
DOI :
10.1049/el.2010.2839
