Indigenous State-of-the-Art Development of Wide Band and Wide Scan Active Phased Array Antennas

This paper reviews the various state-of-the-art phased array antenna (PAAs) designs conceptualized and developed within Electronics and radar development establishment (LRDE) for wide band and wide scan applications for various radar applications. The paper describes the design techniques for these PAAs with the help of few case studies and discusses the various technological challenges faced during the development process.