Compact spiral antenna

H - Electricity – 01 – Q

Patent

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Details

H01Q 9/27 (2006.01) H01Q 1/36 (2006.01) H01Q 5/00 (2006.01)

Patent

CA 2292635

An antenna is provided that receives electromagnetic radiation and includes a dielectric substrate (106). First and second spirals (60 and 70) on a first surface of the substrate (106) radiate the electromagnetic radiation. A third spiral (80) is utilized on a second surface of the substrate (106) and is substantially underneath one of the first and second spirals (60 and 70). The resulting spiral antenna is compact and has multioctave bandwidth capability.

L'invention concerne un antenne qui reçoit un rayonnement électromagnétique et comprend un substrat (106) diélectrique. Une première et une second spirale (60 et 70) disposées sur une première surface du substrat (106) diffusent le rayonnement électromagnétique. Une troisième spirale (80) est installée sur la seconde surface du substrat (106) et se trouve sensiblement sous la première ou sous la seconde spirale (60 et 70). L'antenne en spirale résultante est compacte et présente une capacité de fonctionnement sur une largeur de bande couvrant plusieurs octaves.

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