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Compact multi-octave conical antenna

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4 Author(s)
Palud, S. ; Inst. d''Electron. et des Telecommun. de Rennes, Univ. de Rennes I, Rennes ; Colombel, F. ; Himdi, M. ; Le Meins, C.

A novel and compact conical shaped antenna having semi-wire structure is proposed. The wires composing the conical shape are bent in order to minimise the height of the antenna. Simulations and measurements exhibit a 8.6:1 impedance bandwidth (100-860 MHz) with VSWR below 2.1:1, omnidirectional radiation patterns and high gain values in spite of the small size of the structure.

Published in:

Electronics Letters  (Volume:44 ,  Issue: 11 )