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Common Gate Transformer Feedback LNA in a High IIP3 Current Mode RF CMOS Front-End

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6 Author(s)
Antonio Liscidini ; Department of Electronics, Università degli Studi di Pavia, Via Ferrata 1, Pavia, Italy ; Cesare Ghezzi ; Emanuele Depaoli ; Guido Albasini
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A new topology of transformer based low noise amplifier is presented. The structure realizes a low noise input match and a current gain greater than one by a current to current positive feedback closed around a common gate stage. The amplifier is inserted in a high linearity current mode RF front-end receiver working between 4.15-4.4GHz with a NF of 4.2dB, a gain of 24.2dB and an IIP3 of -2dBm

Published in:

IEEE Custom Integrated Circuits Conference 2006

Date of Conference:

10-13 Sept. 2006