Co-Design of a CMOS Rectifier and Small Loop Antenna for Highly Sensitive RF Energy Harvesters

  title={Co-Design of a CMOS Rectifier and Small Loop Antenna for Highly Sensitive RF Energy Harvesters},
  author={Mark Stoopman and Shady Keyrouz and Hubregt J. Visser and Kathleen Philips and Wouter A. Serdijn},
  journal={IEEE Journal of Solid-State Circuits},
In this paper, a design method for the co-design and integration of a CMOS rectifier and small loop antenna is described. In order to improve the sensitivity, the antenna-rectifier interface is analyzed as it plays a crucial role in the co-design optimization. Subsequently, a 5-stage cross-connected differential rectifier with a 7-bit binary-weighted capacitor bank is designed and fabricated in standard 90 nm CMOS technology. The rectifier is brought at resonance with a high-Q loop antenna by… CONTINUE READING
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A −32dBm sensitivity RF power harvester in 130nm CMOS

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