一种用于生物识别智能卡、具有宽工作距离和负载范围的13.56-MHz无线电能传输系统

This article presents a wireless power transfer system for an increased dynamic range of link distance and load with extended controllability of transmitting power. Under wide link distance and load variation, rectification and regulation in a single-stage to provide a stable 3-V dc voltage $V_\text {L}$ from a 13.56-MHz sinusoidal waveform at the receiver (RX) $LC$ tank is performed. For high end...