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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 (S11), gain, and measured radiation patterns are...
This paper presents the design and simulation of a broadband microstrip spiral antenna incorporated with chip resistors embedded in the substrate. A single arm version of an equiangular spiral antenna is investigated. The effect of strategically loading the spiral with chip resistors is explored in terms of the simulated return loss, gain, axial ratio and radiation pattern.
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