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Analysis of Flicker Noise in a Multimode Radio for Cellular and Connectivity Applications

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2 Author(s)
Sayers, A.D. ; NXP Semicond., Redhill ; Jaloux, M.

This paper describes work on a multi-mode radio receiver intended to facilitate the convergence of cellular and connectivity applications. The radio has been designed to be capable of a large number of radio modes including GSM, EDGE, UMTS and 802.11 standards. The radio consists of an RF CMOS front-end, a sigma-delta ADC and CMOS decimation circuits. A system simulator has been implemented, in order to verify the radio receiver performance in all modes. The simulation of flicker (1/f) noise is particularly important for RF CMOS front-ends. This paper analyses the effect of Flicker noise on the radio receiver, and presents the results of simulations of radio performance obtained.

Published in:

Wireless Technologies, 2007 European Conference on

Date of Conference:

8-10 Oct. 2007