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A Planar Dual-Arm Equiangular Spiral Antenna

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4 Author(s)
Fu, W. ; Sch. of Electr. & Comput. Eng., RMIT Univ., Melbourne, VIC, Australia ; Lopez, E.R. ; Rowe, W.S.T. ; Ghorbani, K.

The design is described of a planar dual-arm equiangular spiral antenna incorporated with chip resistors inside the substrate. The chip resistors were applied to this equiangular spiral antenna to achieve 9:1 impedance bandwidth (2 to 18 GHz) with an extremely low profile structure. The simulated and measured magnitude of the reflection coefficient (S 11), gain, and measured radiation patterns are presented.

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Antennas and Propagation, IEEE Transactions on  (Volume:58 ,  Issue: 5 )