Design of a Compact Ultrawideband U-Shaped Slot Etched on a Circular Patch Antenna with Notch Band Characteristics for Ultrawideband Applications

Figure 8

Simulated surface current distribution on the radiating patch of the proposed antenna at the corresponding central frequency of the notched band at (a) 3.57 GHz, (b) 4.03 GHz, (d) 4.68 GHz, and (e) 5.32 GHz. Prototype of the fabricated antenna. (c) Front view. (f) Back view.

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