Hamed Ghanbari Foshtami - Department of Electrical Engineering, Majlesi Branch, Islamic Azad University, Isfahan, Iran
Ali Hashemi Talkhouncheh - Department of Electrical Engineering, Mohajer Institute of Technology, Technical & Vocational University (TVU), Esfahan, Iran
Hossein Emami - Department of Electrical Engineering, Majlesi Branch, Islamic Azad University,Isfahan, Iran

A broadband microstrip antenna based on log periodic technique was conceived and demonstrated practically. The antenna exhibits a wideband characteristic comparing with other microstrip antennas. Over the operation frequency range, i.e. 2.5-6 GHz, a 50 Ω input impedance has been considered.

Microstrip Antenna, Log-Periodic, VSWR, Gain, Pattern