Table Of ContentIETMATERIALS,CIRCUITS AND DEVICES SERIES 48
Gyrators, Simulated
Inductors and Related
Immittances
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Volume43 NegativeGroupDelayDevices:FromconceptstoapplicationsB.Ravelo
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Volume45 CharacterisationandControlofDefectsinSemiconductorsF.Tuomisto
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Volume47 UnderstandableElectricCircuits:Keyconcepts,2ndEditionM.Wang
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Gyrators, Simulated
Inductors and Related
Immittances
Realizations and applications
Raj Senani, Data Ram Bhaskar, Vinod Kumar Singh
and Abdhesh Kumar Singh
The Institution of Engineering andTechnology
PublishedbyTheInstitutionofEngineeringandTechnology,London,UnitedKingdom
TheInstitutionofEngineeringandTechnologyisregisteredasaCharityinEngland&
Wales(no.211014)andScotland(no.SC038698).
†TheInstitutionofEngineeringandTechnology2020
Firstpublished2020
ThispublicationiscopyrightundertheBerneConventionandtheUniversalCopyright
Convention.Allrightsreserved.Apartfromanyfairdealingforthepurposesofresearch
orprivatestudy,orcriticismorreview,aspermittedundertheCopyright,Designsand
PatentsAct1988,thispublicationmaybereproduced,storedortransmitted,inany
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thecaseofreprographicreproductioninaccordancewiththetermsoflicencesissued
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termsshouldbesenttothepublisherattheundermentionedaddress:
TheInstitutionofEngineeringandTechnology
MichaelFaradayHouse
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Whiletheauthorsandpublisherbelievethattheinformationandguidancegiveninthis
workarecorrect,allpartiesmustrelyupontheirownskillandjudgementwhenmaking
useofthem.Neithertheauthorsnorpublisherassumesanyliabilitytoanyoneforany
lossordamagecausedbyanyerrororomissioninthework,whethersuchanerroror
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ISBN978-1-78561-670-9(Hardback)
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Dedication
This monograph is dedicated to:
The Legendary Indian Music Composer-Duo
The Melody Twins: Shankar–Jaikishan whose highly creative,
melodious and ageless musical compositions provided immense
inspiration in the research work of the authors over the past
four decades in general and during the writing of this
monograph in particular.
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Contents
Abouttheauthors xvii
Preface xxi
Acknowledgement xxiii
1 Gyrators, integrated inductors andsimulated inductors 1
Abstract 1
1.1 Prologue 1
1.2 Basic one-port circuit elements 2
1.3 Basic two-port circuit elements 3
1.3.1 The transformer 3
1.3.2 The gyrator 4
1.3.3 The two-port impedance converters and inverters 6
1.4 The pathological elements 8
1.5 Multi-terminal gyrator 10
1.6 Multiport inverters/converters 12
1.7 Commercially available inductors and Coilcraft 12
1.8 Basic difficulties in micro-miniaturization of inductors 13
1.9 Integrated inductors and transformerson the chip 15
1.10 Powergyrators 16
1.11 Useof ANSYSand COMSOLfor the analysis of inductor designs 17
1.12 The need forsimulated inductors 17
1.13 Concluding remarks 18
References 19
2 Gyrators andsimulated inductorsusingop-amps 27
Abstract 27
2.1 Introduction 27
2.2 The gyrator 28
2.3 Op-amp gyratorsand related circuits 31
2.3.1 NIC-based gyrator 31
2.3.2 VCCS-based gyrator 32
2.3.3 Generalized impedance converters (GIC)/gyrators 33
2.3.4 Two-op-amp resistively variable capacitance simulators 36
2.3.5 Two-op-amp lossless inductance simulator 40
2.3.6 Tripathi–Patranabis losslessgrounded inductor 41
