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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)
Liscidini, A. ; Dept. of Electron., Universita degli Studi di Pavia ; Ghezzi, C. ; Depaoli, E. ; Albasini, G.
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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:

Custom Integrated Circuits Conference, 2006. CICC '06. IEEE

Date of Conference:

10-13 Sept. 2006