Low-cost phase shifter and calibration solution for multi-channel receiver

The design of a multi-channel receiver phase shifter based vector multiplier for high performance and low-cost active antenna array is presented in this paper. A receiving array architecture that combines analog beamforming is to offer a solution for the phase array and smart antenna application. In the architecture, a system with simple calibration procedure is presented to decrease the phase deviation with phase shift and gain control. Therefore, continuously adjustable 360° phase with resolution 0.18° control can be achieved.