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A systematic system level design methodology for dual band CMOS RF receivers

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3 Author(s)
Mohamed El-Nozahi ; Electrical and Computer Engineering Department, Texas A&M University, College Station, USA ; Kamran Entesari ; Edgar Sanchez-Sinencio

A systematic system-level design methodology for dual-band RF CMOS receiver is proposed. The methodology helps the designer to find the optimum set of specifications of the receiver's building blocks for minimizing the power consumption. Our analysis is based on analytical expressions for the input referred noise, input referred third order intercept point and gain as a function of the frequency for the various blocks. This methodology is applied to a dual-band receiver for the GSM (900 MHz) and PCS (1900 MHz) standards. Simulations show that having an LNA with a constant gain behavior reduces the power consumption by 75% compared to an LNA with a decreasing gain versus frequency.

Published in:

2007 50th Midwest Symposium on Circuits and Systems

Date of Conference:

5-8 Aug. 2007