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Automatic Gain Control

Techniques and Architectures for RF Receivers

  • Book
  • © 2011

Overview

  • Provides a complete review of automatic gain control loops, covering both feedback and feedforward approaches
  • Describes the complete design flow of the main blocks used in AGC circuits (PGAs/VGAs, peak detectors and control voltage generation circuits), considering low-voltage low-power restrictions
  • Includes real AGC architectures implemented as a general purpose digital feedforward CMOS AGC, a fully analogue feedforward AGC and a combined feedforward/feedback CMOS AGC
  • Includes supplementary material: sn.pub/extras

Part of the book series: Analog Circuits and Signal Processing (ACSP)

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Table of contents (5 chapters)

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About this book

This book analyzes automatic gain control (AGC) loop circuits and demonstrates AGC solutions in the environment of wireless receivers, mainly in wireless receivers with stringent constraints in settling-time and wide dynamic range, such as WLAN and Bluetooth receivers.  Since feedforward AGCs present great advantages in this context, as an alternative to conventional feedback AGCs, this book includes a detailed study of feedforward AGCs design –at the level of basic AGC cells, as well as the system level, including their main characteristics and performance.

Authors and Affiliations

  • LSI Corporation, Madrid, Spain

    Juan Pablo Alegre Pérez

  • University of Zaragoza, Zaragoza, Spain

    Santiago Celma Pueyo, Belén Calvo López

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