Provided by: EMW Publishing
Date Added: Oct 2011
A compact wideband dual-frequency microstrip antenna is proposed in this paper. By employing an offset microstrip-fed line and a strip close to the radiating edges in the circular slot patch, an antenna operating at dual frequency with the impedance bandwidth of 26.2% and 22.2% respectively is presented. By attaching a strip to the radiating edges opposite to the microstrip fed line, this alters the current distribution and radiation on the antenna at the second resonant frequency.