Design of Switched-Capacitor Filter Circuits using Low Gain Amplifiers

This book describes the design of switched-capacitor filter circuits using low gain amplifiers and demonstrates some techniques that can minimize the effects of parasitic capacitances during the design phase. Focus is given in the design of low-pass and b

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Hugo Alexandre de Andrade Serra • Nuno Paulino

Design of Switched-Capacitor Filter Circuits using Low Gain Amplifiers

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Hugo Alexandre de Andrade Serra Faculdade de Ciências e Tecnologia UNINOVA Caparica Portugal

Nuno Paulino Department of Electrical Engineering UNINOVA Caparica Portugal

ISSN 2191-8112 ISSN 2191-8120 (electronic) SpringerBriefs in Electrical and Computer Engineering ISBN 978-3-319-11790-4 ISBN 978-3-319-11791-1 (eBook) DOI 10.1007/978-3-319-11791-1 Library of Congress Control Number: 2014954623 Springer Cham Heidelberg New York Dordrecht London © Springer International Publishing Switzerland 2015 This work is subject to copyright. All rights are reserved by the Publisher, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed. The use of general descriptive names, registered names, trademarks, service marks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. The publisher, the authors and the editors are safe to assume that the advice and information in this book are believed to be true and accurate at the date of publication. Neither the publisher nor the authors or the editors give a warranty, express or implied, with respect to the material contained herein or for any errors or omissions that may have been made. Printed on acid-free paper Springer is part of Springer Science+Business Media (www.springer.com)

Preface

Analog filters are extremely important blocks in several electronic systems such as RF transceivers or sigma delta modulators. They allow selecting between signals with different frequency and eliminating unwanted signals. In modern deep-submicron CMOS technologies the intrinsic gain of the transistors is low and has a large variability, making the design of moderate and high gain amplifiers extremely difficult. The objective of this book is to study switched-capacitor (SC) circuits based on the low-pass and