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A UHF-RFID transceiver with a blocker-canceller feedback and 30 dBm output power
, Article IEEE Transactions on Circuits and Systems I: Regular Papers ; Volume 60, Issue 11 , 2013 , Pages 3043-3054 ; 15498328 (ISSN) ; Rezaei, V. D ; Bakhtiar, M. S ; Sharif University of Technology
2013
Abstract
A single chip UHF-RFID transceiver front-end is presented. The chip was designed according to EPCglobal Class-1 Gen-2 and supports both ETSI and FCC requirements. The receiver front end is capable of rejecting self-jammers as large as 10 dBm with the aid of a feedback loop. The stability and the robustness of the loop and other system requirements are studied. A 30 dBm class-AB power amplifier (PA) with 28% PAE is also integrated on the chip. The pseudo differential architecture of the PA greatly reduces the injection of the signal into the substrate. A simple model is used to estimate the effect of the substrate noise injection by the PA on the receiving circuit modules and design guides...