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Improved efficiency in the CMOS cross-connected bridge rectifier for RFID applications
Luleå tekniska universitet, Institutionen för system- och rymdteknik, EISLAB.
Luleå tekniska universitet, Institutionen för system- och rymdteknik, EISLAB.
Luleå tekniska universitet, Institutionen för system- och rymdteknik, EISLAB.ORCID-id: 0000-0003-4958-146X
2011 (engelsk)Inngår i: Proceedings of the 18th International Conference Mixed Design of Integrated Circuits and Systems: MIXDES 2011; Gliwice; 16 June 2011 through 18 June 2011, Piscataway, NJ: IEEE Communications Society, 2011, s. 334-339Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

A bridge rectifier based on the cross-connected NMOS-PMOS bridge that avoids the inherent degradation of power conversion efficiency for increasing input levels is presented. Instead of PMOS switches, the proposed rectifier uses diode-connected MOS transistors with static threshold cancellation and minimised diode reverse leakage. With a simple and power efficient circuit solution the new rectifier allows for low-power, passive tag implementation in standard CMOS for both LF and HF RFID applications. Simulation results of the proposed rectifier in a 0.35 µm CMOS process show a power conversion efficiency over 60 % for all input levels above 0.75 V with a 100 kΩ load and an input signal frequency of 13.56 MHz. The simulated DC output voltage at the same conditions is approximately Vin - 0.3 V. A model for the PCE of the new rectifier that includes the impact of the Vth-generator is developed and compared with simulated results.

sted, utgiver, år, opplag, sider
Piscataway, NJ: IEEE Communications Society, 2011. s. 334-339
HSV kategori
Forskningsprogram
Industriell elektronik
Identifikatorer
URN: urn:nbn:se:ltu:diva-40640Lokal ID: fd53b63d-f5ec-4acb-a429-35d6a9b3c690ISBN: 978-83-932075-0-3 (tryckt)ISBN: 978-83-932075-1-0 (digital)OAI: oai:DiVA.org:ltu-40640DiVA, id: diva2:1014161
Konferanse
International Conference Mixdes Design of Integrated Circuits and Systems : 16/06/2011 - 18/06/2011
Prosjekter
ESIS
Merknad
Godkänd; 2011; Bibliografisk uppgift: Article number 6015936; 20110916 (ysko)Tilgjengelig fra: 2016-10-03 Laget: 2016-10-03 Sist oppdatert: 2018-06-11bibliografisk kontrollert

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