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A new rectenna circuit using a bow‐tie antenna for the conversion of microwave power to dc power
Author(s) -
And Michael Tran,
Nguyen Cam
Publication year - 1993
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.4650061113
Subject(s) - rectenna , bow tie , microwave , energy conversion efficiency , electrical engineering , antenna (radio) , broadband , engineering , power (physics) , diode , optoelectronics , electronic engineering , materials science , physics , telecommunications , rectification , voltage , quantum mechanics
A new rectenna circuit is described. The rectenna circuit uses a bow‐tie antenna integrated with a diode. The newly developed bow‐tie rectenna has a high conversion efficiency, is broadband, is not sensitive to the angle of the incident field, has a good match to its circuit, and behaves as a low‐pass filter for dc output. A microwave‐to‐dc conversion efficiency of 79% has been achieved at 2.45 GHz. © 1993 John Wiley & Sons, Inc.