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IEEE Transactions on Antennas and Propagation
Volume 48 Number 8, August 2000

Table of Contents for this issue

Complete paper in PDF format

Impedance and Polarization Characteristics of H and IHI Slot Antennas

Bradley G. Porter and Steven S. Gearhart

Page 1272.

Abstract:

Slot antennas can be end loaded to tune input impedance for use with active devices and to decrease overall slot length at a given resonant frequency. Cross polarization and impedance of end-loaded slots in an Hconfiguration are analyzed in this letter. For an H antenna of approximately equal height and width, D-plane cross polarization was found to be -20 dB, and the resonant frequency decreased by 34% over a slot with a length equal to the width of the H . The cross polarization can be reduced with our new IHI configuration, which is introduced in this letter. Impedance at the second resonance can be tuned over a range of 26-82 .

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