A Planar Dual-Arm Equiangular Spiral Antenna

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 an...

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Bibliographic Details
Published in:IEEE transactions on antennas and propagation 2010-05, Vol.58 (5), p.1775-1779
Main Authors: Fu, W, Lopez, E R, Rowe, W S T, Ghorbani, K
Format: Article
Language:English
Subjects:
Antenna measurements
Antennas
Antennas and propagation
Applied sciences
Bandwidth
Chip resistor
equiangular spiral
Exact sciences and technology
Gain
Gain measurement
Impedance
microstrip antenna
Microstrip antennas
Radiocommunications
Reflection coefficient
Resistors
Semiconductor device measurement
Simulation
Spiral antennas
Spirals
Telecommunications
Telecommunications and information theory
ultra-broadband
Wavelength measurement
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Description
Summary: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.
ISSN:0018-926X
1558-2221
DOI:10.1109/TAP.2010.2044315