Broadband printed dipole antenna with a step-shaped feed gap for DTV signal reception

作者：Chi, Yun Wen^*; Wong, Kin Lu; Su, Sacm Wen

来源：IEEE Transactions on Antennas and Propagation, 2007, 55(11): 3353-3356.

DOI：10.1109/TAP.2007.908848

• broadband dipole antennas
• digital television (DTV) antennas
• dipole antennas
• printed antennas
• printed dipole antennas

A broadband printed dipole antenna capable of generating a wide operating band for digital television signal reception in the 470-806 MHz band is presented. The antenna is of a rectangular shape of width 20 mm and length 227 mm (L), and comprises two asymmetric radiating portions of arm I and arm 2 separated by a 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 antenna can generate two adjacent resonant modes to form a wide operating band of larger than 50% in 2.5:1 VSWR bandwidth, which is much wider than that of the corresponding conventional center-fed dipole antenna.

• 出版日期2007-11
• 单位中山大学