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Articles

Rounded-Corner Aperture Shape of the Meshed Ground Planes to Improve Signal Integrity for High Speed Signals

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Pages 2147-2158 | Published online: 03 Apr 2012
 

Abstract

This paper proposes novel mesh ground models with circular or rounded-corner apertures as improved versions of the conventional square-mesh apertures. The rounded-corner aperture shape results in a significant improvement in the signal integrity for the frequencies above 7 GHz as confirmed by Finite Element Method simulation and measurements of insertion loss on test devices. Time-domain simulations and measurements of eye patterns also show that for a high speed data rate of 7 Gbps, the rounded-corner aperture shape shows 3 to 4% better transmitting performance than the square aperture.

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