Journal
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS
Volume 32, Issue 6, Pages 599-602Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LMWC.2022.3145879
Keywords
Dual band; Impedance; Wireless sensor networks; Wireless communication; Radio frequency; Power measurement; Frequency measurement; Dual-band; energy harvesting (EH); rectifier; wide input power range; wireless power transfer (WPT)
Categories
Funding
- National Research Foundation of Korea (NRF) - Korean Government (MSIT) [2019R1G1A1003865]
- National Research Foundation of Korea [2019R1G1A1003865] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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This letter presents a wide dual-band rectifier with a dual-band matched voltage doubler, which achieves high power conversion efficiency over a wide dual-band range and a wide input power range.
This letter presents a broad dual-band rectifier with a wide input power range that employs a dual-band matched voltage doubler (DMVD). The DMVD is composed of a voltage doubler and L-type matching networks connected with each diode; it transforms the input reactance of each diode independently over wide input power and broad dual-band ranges, thereby widening the dynamic input power range. The proposed rectifier was implemented with the dimensions of 40 mm x 15 mm. Measurements reveal that the power conversion efficiency (PCE) was maintained at over 50% in the wide input power ranges of 10.3-32 dBm and 13.5-31.5 dBm at 0.915 and 2.45 GHz, respectively. PCEs exceeding 50% were measured over frequency ranges of 0.3-1.1 GHz and 1.5-2.6 GHz.
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