Design and Analysis of a PMOS RF-DC Conversion Circuit at UHF for Ambient Energy Harvesting

被引：0
|
作者：
Xiang, Zihao [1 ]
Han, Shiying [1 ]
Liu, Bo [1 ]
Peng, Huyang [1 ]
Wang, Zixiong [2 ]
Sun, Guiling [1 ]
机构：
[1] Nankai Univ, Coll Elect Informat & Opt Engn, Tianjin, Peoples R China
[2] Tianjin Univ, Sch Elect & Informat Engn, Tianjin, Peoples R China
来源：
2019 IEEE/CIC INTERNATIONAL CONFERENCE ON COMMUNICATIONS WORKSHOPS IN CHINA (ICCC WORKSHOPS) | 2019年
基金：
中国国家自然科学基金;
关键词：
Ambient energy harvesting; RF-DC converter; wireless powering; Internet of Things;
D O I：
10.1109/iccchinaw.2019.8849957
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A PMOS RF-DC conversion circuit design for ambient energy harvesting (AEH) at UHF is presented in this paper. The output voltage and power conversion efficient (PCE) of the circuit are theoretically derived, which provides guideline for choosing the parameters of PMOS. We simulate the circuit with Multisim by varying the input RF power level from -40 dBm (0.1 mu W) to -3 dBm (0.5 mW) at 2.45 GHz. The theoretical analysis is verified by the simulation results, and we can observe a 82.85% PCE, 0.11% ripple factor and -15 dBm (31.62 mu W) sensitivity with 1.62 V output voltage on a 100 k Omega load resistance, which outperforms the Schottky diode based conversion circuit.
引用
收藏
页码：59 / 64
页数：6
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