Performance Analysis of Various Rectifier Topologies for 2.45 GHz RF Energy Harvesting Applications

Abstract

This paper aims to evaluate and compare the performance of three basic configurations of RF energy harvesting rectifier, the series, the voltage doubler, and the voltage multiplier. To achieve this goal, different parameters affecting the performance of the rectifier were analyzed in the 2.45 GHz ISM band. When the simulated series rectifier, voltage doubler and voltage multiplier are perfectly matched, a conversion efficiency of 77.18 %, 75.29 % and 66.6 % is reached, respectively, at an input power of 15 dBm. While, the DC output voltage at the same input power level is 6.5 V, 5.29 V, and 7.59 V.