Abstract
A compact dual band folded dipole antenna printed on either side of a substrate and excited by a 50 Ω microstrip line with a truncated ground plane covering DCS/PCS/2.4 GHz WLAN bands is presented. In the proposed design, a microstrip-fed folded monopole antenna is first designed and then modified it to a microstrip-fed folded dipole by placing another folded arm on the opposite side of the substrate extending from the ground plane, for achieving dual resonance. The antenna resonating at 1.87 GHz and 2.46 GHz has 2:1 VSWR bandwidth of 17% and 9% respectively. The proposed antenna offers 53% area reduction compared to a standard rectangular microstrip antenna. Details of the antenna design and experimental results are presented.
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