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Design and simulation of a 900 MHz rectifier for Rectenna application

Wireless Power Transmission (WPT) plays an important role of delivering power from a source to end device without wires or contacts. This is achieved by using a Rectenna which is a combination of an antenna and the rectifier. The antenna is used to receive the RF signal and rectifier is used for converting the Received RF/Microwave signal into DC signal. The impedance of the antenna and the rectifier is matched by using the impedance matching circuit. In this work, the design and simulation of Rectifier and matching circuit are carried out at 900 MHz GSM signal using Advanced Design System Software. The lumped constants of the rectifier are optimized using ADS software. The Agilent HSMS 2862 Schottky diode is used for rectification. From the simulation results, DC output power, voltage, current and efficiency are plotted with respect to the input power. A matching circuit is designed using an ideal transmission line model for matching the impedances of the source and the rectifier. This Rectifier is used for Rectenna applications.