C-Band GaAs MMIC Rectifier for Wireless Power Transmission

In this paper, a 5.8 GHz monolithic microwave integrated circuit (MMIC) rectifier using 0.25 μm GaAs Power pHEMT process is proposed. Lumped elements are used for the matching circuit and low pass filter design. The simulated results show that the proposed rectifier chip has a maximum RF-DC conversion efficiency of 67.. when the input power is 30 dBm. With a compact size of 1700 um × um, the rectifier can be easily integrated with the antenna for wireless power transmission application.