105 articles – 152 Notices  [english version]
Fiche détaillée Communications avec actes
EPE, Birmingham : Royaume-Uni (2011)
Low power rectenna topologies for medium range wireless energy transfer
Vlad Marian1, Christian Vollaire1, Bruno Allard1, Jacques VERDIER2

This paper presents and compares different rectifying antenna (rectenna) circuit topologies optimized for sub-mW incident microwave power levels. Excellent performance is achieved in terms of output voltage level and RF to DC conversion efficiency. Several prototypes have been fabricated using small localized components and tested. A detailed study of the behavior of a low power rectenna as a voltage source is presented. The influence of the antenna characteristic impedance on circuit performance is also studied.
1 :  Ampère
2 :  INL - Institut des Nanotechnologies de Lyon - Site de l'INSA
Contactless energy transfer – DC power supply – rectenna – RF-DC – energy conversion – low power