IET CIrCuITs, DEvICEs anD sysTEms sErIEs 14 Series Editors: Dr D.G. Haigh Dr R.S. Soin Dr J. Wood Design of High Frequency Integrated Analogue Filters Other volumes in this series: Volume 2 Analogue IC design: the current-mode approach C. Toumazou, F.J. Lidgey and D.G. Haigh (Editors) Volume 3 Analogue-digital ASICs: circuit techniques, design tools and applications R.S. Soin, F. Maloberti and J. France (Editors) Volume 4 Algorithmic and knowledge-based CAD for VLSI G.E. Taylor and G. Russell (Editors) Volume 5 Switched currents: an analogue technique for digital technology C. Toumazou, J.B.C. Hughes and N.C. Battersby (Editors) Volume 6 High-frequency circuit engineering F. Nibler et al. Volume 8 Low-power high-frequency microelectronics: a unified approach G. Machado (Editor) Volume 9 VLSI testing: digital and mixed analogue/digital techniques S.L. Hurst Volume 10 Distributed feedback semiconductor lasers J.E. Carroll, J.E.A. Whiteaway and R.G.S. Plumb Volume 11 Selected topics in advanced solid state and fibre optic sensors S.M. Vaezi- Nejad (Editor) Volume 12 Strained silicon heterostructures: materials and devices C.K. Maiti, N.B. Chakrabarti and S.K. Ray Volume 13 RFIC and MMIC design and technology I.D. Robertson and S. Lucyzyn (Editors) Volume 14 Design of high frequency integrated analogue filters Y. Sun (Editor) Volume 15 Foundations of digital signal processing: theory, algorithms and hardware design P. Gaydecki Volume 16 Wireless communications circuits and systems Y. Sun (Editor) Volume 17 The switching function: analysis of power electronic circuits C. Marouchos Volume 18 System-on-chip: next generation electronics B. Al-Hashimi (Editor) Volume 19 Test and diagnosis of analogue, mixed-signal and RF integrated circuits: the system on chip approach Y. Sun (Editor) Volume 20 Low power and low voltage circuit design with the FGMOS transistor E. Rodriguez-Villegas Volume 21 Technology computer aided design for Si, SiGe and GaAs integrated circuits C.K. Maiti and G.A. Armstrong Design of High Frequency Integrated Analogue Filters Edited by Yichuang Sun The Institution of Engineering and Technology Published by The Institution of Engineering and Technology, London, United Kingdom © 2002 The Institution of Electrical Engineers First published 2002 This publication is copyright under the Berne Convention and the Universal Copyright Convention. All rights reserved. Apart from any fair dealing for the purposes of research or private study, or criticism or review, as permitted under the Copyright, Designs and Patents Act, 1988, this publication may be reproduced, stored or transmitted, in any form or by any means, only with the prior permission in writing of the publishers, or in the case of reprographic reproduction in accordance with the terms of licences issued by the Copyright Licensing Agency. Inquiries concerning reproduction outside those terms should be sent to the publishers at the undermentioned address: The Institution of Engineering and Technology Michael Faraday House Six Hills Way, Stevenage Herts, SG1 2AY, United Kingdom www.theiet.org While the authors and the publishers believe that the information and guidance given in this work are correct, all parties must rely upon their own skill and judgement when making use of them. Neither the authors nor the publishers assume any liability to anyone for any loss or damage caused by any error or omission in the work, whether such error or omission is the result of negligence or any other cause. Any and all such liability is disclaimed. The moral right of the authors to be identified as authors of this work have been asserted by them in accordance with the Copyright, Designs and Patents Act 1988. British Library Cataloguing in Publication Data Design of high frequency integrated analogue filters (IEE circuits, devices and systems series no. 14) 1. Linear integrated circuits 2. Electric filters – Design I. Sun, Yichuang. II. Institution of Electrical Engineers 621.3’ 8412 ISBN (10 digit) 0 85296 976 7 ISBN (13 digit) 978-0-85296-976-2 Typeset by Newgen Imaging Systems (P) Ltd, India First printed in the UK by MPG Books Ltd, Bodmin, Cornwall ToXiaohui,BoandLucy Contents Preface xi Contributors xiii 1 ArchitecturesanddesignofOTA/g -Cfilters 1 m YichuangSun 1.1 Introduction 1 1.2 Twointegratorloopg -Cfilterstructures 2 m 1.2.1 g -Cbuildingblocks 3 m 1.2.2 Tow-Thomas(TT)g -Cbiquad 3 m 1.2.3 EffectsandreductionofOTAnonidealities 4 1.2.4 Balancedfilterstructures 6 1.2.5 KHNg -Cfilters 7 m 1.2.6 Realisationofuniversalbiquads 8 1.3 g -CfiltersbasedonLCladders 9 m 1.3.1 g -Cfiltersbasedoncomponentsubstitution 9 m 1.3.2 g -Cfiltersbasedonsignalsimulation 10 m 1.4 Multipleloopfeedbackg -Cfilters 13 m 1.4.1 All-poleMLFg -Cfilters 14 m 1.4.2 g -Csynthesisoftransmissionzeros 17 m 1.5 Current-modeg -Cfilters 18 m 1.5.1 Directgenerationofcurrent-modeg -Cfilters 18 m 1.5.2 Adjointmethodforcurrent-modeg -Cfilterdesign 19 m 1.6 Designexamplesofg -Cfilters 19 m 1.6.1 Operationaltransconductanceamplifiers 20 1.6.2 Third-orderellipticg -Cfilterbasedonladder m simulation 22 1.6.3 Seventh-orderall-polemultipleloopfeedbackg -C m filters 23 1.7 Automatictuningofg -Cfilters 25 m 1.7.1 TunableandprogrammableOTA 25 1.7.2 Ananaloguetuningscheme 27 viii Contents 1.7.3 Adigitaltuningmethod 28 1.7.4 ConfigurableandFPAA-basedg -Cfilters 29 m 1.8 Conclusions 29 1.9 References 30 2 TheMOSFET-Ctechnique 35 MihaiBanuandYannisTsividis 2.1 Introduction 35 2.2 TheMOSFET-Cconcept 37 2.3 Practicalconsiderations 40 2.3.1 Linearityinpresenceofnonidealities 40 2.3.2 DCbiasingandtuning 40 2.3.3 UseofOTAs 41 2.3.4 Generalfilterbuildingblocks 43 2.3.5 Frequencyresponse 44 2.3.6 Noiseanddynamicrange 45 2.3.7 ICtechnologyconsiderationsforhighspeedfilter design 46 2.3.8 “Doublebalanced”MOSFET-C 46 2.3.9 Otherpracticalaspects 46 2.4 PowerefficiencyinMOSFET-Cdesigns 47 2.4.1 BasicpowerdissipationconsiderationsinICfilters 47 2.4.2 Topologicaladvantagesofactive-RCintegratorsfor powerefficiency 48 2.4.3 Powerdissipationinsummers 52 2.5 Conclusions 53 2.6 References 54 3 Activefiltersusingintegratedinductors 57 DandanLiandYannisTsividis 3.1 Introduction 57 3.2 PrinciplesofQenhancement 58 3.2.1 Compensationusingnegativeresistances 59 3.2.2 Integratedinductors 60 3.3 Negativeresistorimplementations 61 3.3.1 Single-endedschemes 61 3.3.2 Balancedschemes 63 3.4 Second-ordersections 64 3.4.1 Asynthesisprocedure 64 3.4.2 Noise,dynamicrangeandpower 65 3.5 High-orderfilters 69 3.5.1 Designissuesandexamples 69 3.5.2 Predistortion 71 3.6 Automatictuning 74 3.7 Conclusions 77 3.8 References 77 Contents ix 4 Logdomainfilters 81 DouglasFrey 4.1 Introduction 81 4.2 Logdomainfiltering 85 4.3 Synthesisoflogdomainfilters 87 4.3.1 Basictheory 87 4.3.2 Asynthesisstrategy 95 4.3.3 Thetranslinearperspective 102 4.4 ClassABlogdomainfilters 108 4.5 Logdomainbuildingblocksandnonidealbehaviour 113 4.6 Verylowvoltagelogdomainfilterdesign 117 4.7 Noiseinlogdomainfilters 120 4.8 Otherapplicationsofthelogdomainfilteringidea 124 4.9 Conclusions 124 4.10 References 125 5 Lowvoltagetechniquesforswitched-currentfilters 127 JohnHughes,ApisakWorapishetandRungsimantSitdhikorn 5.1 Introduction 127 5.2 PerformancecomparisonofSIandSC 128 5.3 Single-endedSIcircuits 132 5.3.1 Single-endedprototypecells 133 5.3.2 Single-endedclassA 134 5.3.3 Single-endedclassAB 138 5.3.4 Summary 143 5.4 BalancedSIcircuits 143 5.4.1 Prototypebalancedcells 143 5.4.2 BalancedclassAcells 143 5.4.3 BalancedclassABcells 147 5.4.4 Summary 148 5.5 NeutralisedSIcircuits 148 5.5.1 NeutralisedclassAcells 149 5.5.2 NeutralisedclassABcells 150 5.5.3 Summary 151 5.6 DemonstrationofperformanceusingbalancedclassAB cellswithfullneutralisation 152 5.7 Conclusions 158 5.8 References 159 6 Analogueadaptivefilters 161 AnthonyCarusoneandDavidA.Johns 6.1 Introduction 161 6.2 Adaptivealgorithms 162 6.2.1 Leastmean-square(LMS)algorithm 162 6.2.2 VariantsoftheLMSalgorithm 164 6.2.3 DCoffseteffectsinanalogueLMS 165