Abstract
A compact ultra-wide band (UWB) CPW-fed antenna with dual band-notched characteristic is proposed. By using only one H-shaped slot etched on the radiation patch, two notched band, 3.3–3.6 GHz for WiMAX and 5.15–5.825 GHz for WLAN, are achieved. The antenna yields an impedance bandwidth of 3.1–10.6 GHz with VSWR < 2, except the notched bands. The antenna is successfully simulated and measured, showing dual band rejected characteristic can be obtained by using the only one H-shaped slot. Moreover, conceptual circuit model, which is based on the input impedance of the proposed antenna, is also shown to discuss the dual band notched characteristic.
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