GaN Based Wide Band C-Band Active Phased Array Antenna Design with Wide Scan Volume

This article presents design and development of a high power, wide band and wide scanning active phased array antenna in C-band using GaN based semiconductor technology. It highlights the usage of commercial tools such as Keysight's ADS, Ansys HFSS and MATLAB in a combined manner in reducing the design cycle and achieve accurate design for manufacturing. First time usage of GaN technology within country has made it possible to achieve high peak power output from a smaller aperture with least heat dissipation. Some of the salient features achieved include high directive gain, high P
T
, high efficiency, narrow beamwidth, low sidelobe level (SLL), modularity and scalability over the specified frequency band and scan volume. It is used for the realization of a four-walled active phased array radar.