Abstract
This paper presents the design and experiment of wideband using band-notched printed dipole antenna operates covering frequency band for digital television (DTV) signal reception in the 470-862 MHz. Besides this proposed antenna is required to be compact, light-weight, and easy to fabricate. The antenna is of rectangular shape of width (W) 35 mm and length (L) 223 mm, and comprises two asymmetric radiating portions of left-arm and right-arm, which are separated by step-shaped feed gap with its one open end at the center of antenna's one long side edge and the other open end at about L/4 away from the center of the opposite long side edge. The results of the return loss (S11), gain and radiation patterns of the proposed antenna have been simulated by using antenna analysis software CST Microwave Studio program. It is found that the proposed antenna is accessible to bandwidth about 62.77% at frequency range 470-900 MHz. Measured maximum gains were approximately 2.43 dBi, 2.53 dBi and 3.69 dBi for 514 MHz, 650 MHz and 786 MHz band, respectively. Finally, simulation and measurement results for the design example are presented and a conclusion follows.
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