کنفرانس مهندسی برق ایران

صفحه اصلی / بیست و نهمین کنفرانس مهندسی برق ایران

A High Dynamic Range Differential Rectifier for RF Energy Harvesting

نویسندگان :

Ataollah Mahsafar¹ Mohammad Yavari²

1- دانشگاه صنعتی امیرکبیر 2- دانشگاه صنعتی امیرکبیر

کلمات کلیدی :

RF energy harvesting, rectifier, dynamic range, CMOS, power conversion efficiency, RF–to-DC converter

چکیده :

This paper proposes a differential rectifier for radio frequency energy harvesting systems with a high dynamic range. This architecture suggests a feedback circuit to reduce the reverse leakage current at high input power and proposes another auxiliary circuit to increase the forward current at low power. Another advantage of this architecture is sensitivity improvement. This proposed structure is Designed and simulated in 0.18 μm standard CMOS technology. The simulation results exhibit a peak Power Conversion Efficiency (PCE) of 86.78% and a dynamic range of 12dBm for a PCE>80% with a sensitivity of -19.38 dBm at 1 V output across a 100KΩ resistive load.

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