Design of rectifier for rectenna application

This paper presents a high efficiency 2.44-GHz rectifier that can harvest low input RF power effectively. A new rectifier with a simple structure is proposed for the rectenna application. The proposed single-band rectifier has been implemented and the measurements show good agreement with simulation. With an input matching network, the measurement results for an input power level of 20 dBm show peak RF-to-DC efficiencies of 76% and output dc voltage of 3.27 V at frequency 2.44 GHz.