摘要

In this letter, a compact printed ultra-wideband antenna with triple band-notched characteristics is presented. The antenna consists of a circular radiating patch and a 50-O coplanar waveguide transmission line. The triple band-notched characteristics are obtained by etching two C-shaped slots on the radiating patch and a pair of symmetric C-shaped slots on the ground. Simulated and measured results show that this antenna could operate from 2.8 to 12.6 GHz with stable radiation patterns, except triple notched bands at 3.433.65, 4.955.25, and 5.365.85 GHz for rejecting the WiMAX and wireless local area network signals.

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