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Sinusoidal Oscillators and Waveform Generators using Modern Electronic Circuit Building Blocks 1st ed. 2016 [Kõva köide]

  • Formaat: Hardback, 622 pages, kõrgus x laius: 235x155 mm, 15 Illustrations, color; 461 Illustrations, black and white; XXVI, 622 p. 476 illus., 15 illus. in color., 1 Hardback
  • Ilmumisaeg: 07-Dec-2015
  • Kirjastus: Springer International Publishing AG
  • ISBN-10: 331923711X
  • ISBN-13: 9783319237114
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  • Formaat: Hardback, 622 pages, kõrgus x laius: 235x155 mm, 15 Illustrations, color; 461 Illustrations, black and white; XXVI, 622 p. 476 illus., 15 illus. in color., 1 Hardback
  • Ilmumisaeg: 07-Dec-2015
  • Kirjastus: Springer International Publishing AG
  • ISBN-10: 331923711X
  • ISBN-13: 9783319237114
Teised raamatud teemal:
This book serves as a single-source reference to sinusoidal oscillators and waveform generators, using classical as well as a variety of modern electronic circuit building blocks. It provides a state-of-the-art review of a large variety of sinusoidal oscillators and waveform generators and includes a catalogue of over 600 configurations of oscillators and waveform generators, describing their relevant design details and salient performance features/limitations. The authors discuss a number of interesting, open research problems and include a comprehensive collection of over 1500 references on oscillators and non-sinusoidal waveform generators/relaxation oscillators.Offers readers a single-source reference to everything connected to sinusoidal oscillators and waveform generators, using classical as well as modern electronic circuit building blocks;Provides a state-of-the-art review of a large variety of sinusoidal oscillators and waveform generators;Includes a catalog of over 6

00 configurations of oscillators and waveform generators, with their relevant design details and their salient performance features/limitations.

Introduction.- Op-amp oscillators and waveform generators.- Electronically-Controllable OTA-C oscillators and waveform generators.- Oscillator and waveform generators using Current conveyors.- Oscillators and waveform generators using Current feedback op-amps.- Sinusoidal and relaxation Oscillators using modern electronic circuit building blocks.- Switched-Capacitor and MOSFET-C oscillators.- Generation of Equivalent Oscillators using adjoints, network transposition and nullor-based transformations.- Electronically-controllable oscillators.- Bipolar Translinear and log domain oscillators.- CMOS Translinear and Square root domain oscillators.- Quadrature and Multiphase Oscillators.- Chaotic Oscillators.- Amplitude stabilization and control techniques.- Systematic Synthesis of oscillators using pathological elements.- Concluding remarks, future directions of research and open problems.
Part I Introductory
Chapter
1 Basic Sinusoidal Oscillators and Waveform Generators Using IC Building Blocks
3(70)
1.1 Introduction
3(1)
1.2 Classical Sinusoidal Oscillators
4(10)
1.2.1 Wien Bridge Oscillator
4(2)
1.2.2 RC Phase-Shift Oscillators
6(3)
1.2.3 Colpitts and Hartley Oscillators
9(1)
1.2.4 A Family of Canonic Single-Op-Amp Oscillators
10(2)
1.2.5 Twin-T Oscillators
12(2)
1.2.6 A Band-Pass Filter-Tuned Oscillator
14(1)
1.3 Quadrature and Multiphase Sinusoidal Oscillators
14(8)
1.3.1 Quadrature Oscillators
15(3)
1.3.2 Multiphase Oscillators
18(4)
1.4 Some Other Sinusoidal Oscillator Topologies
22(5)
1.4.1 An Oscillator Based Upon All-Pass Filters
24(1)
1.4.2 Two-Section Multiple Op-Amp Oscillators
25(2)
1.5 Some Common Methods of Analyzing Sinusoidal Oscillators
27(3)
1.5.1 Analysis Based Upon the Closed-Loop Characteristic Equation
28(1)
1.5.2 Analysis by Finding CE by Ungrounding Any Element(s)/Terminal(s)
28(1)
1.5.3 State Variable Analysis of Sinusoidal Oscillators
29(1)
1.6 Oscillator Synthesis Using ±RLC Models
30(4)
1.7 Nonsinusoidal Waveform Generators Using IC Op-Amps, IC Timers, and Op-Amp Timer Combinations
34(6)
1.7.1 The Op-Amp-Based Schmitt Trigger and the Astable Multivibrator
34(1)
1.7.2 Square/Triangular Waveform Generator
35(1)
1.7.3 The Monostable Multivibrator
36(1)
1.7.4 Synthesis of Waveform Generators in Phase Plane
37(2)
1.7.5 Quadrature Oscillators for Generating Square and Triangular Waveforms
39(1)
1.8 Multivibrators and Waveform Generators Using IC 555 Timer
40(17)
1.8.1 Astable Multivibrators
42(6)
1.8.2 Monostable Multivibrators
48(2)
1.8.3 Sawtooth Waveform Generators
50(2)
1.8.4 Tone-Burst Generator
52(1)
1.8.5 Voltage-Controlled Oscillators
53(4)
1.9 Specialized Square Wave Generators for Measurement Applications
57(6)
1.10 IC Function Generators
63(2)
1.10.1 LM566 VCO
63(1)
1.10.2 ICL8038 IC Function Generator
64(1)
1.11 Concluding Remarks
65(8)
References
66(7)
Part II Various kinds of Sinusoidal Oscillators
2 Single-Element-Controlled and Other Varieties of Op-Amp Sinusoidal Oscillators
73(70)
2.1 Introduction
73(1)
2.2 Some Earlier Variable-Frequency Single-Op-Amp Oscillators
74(1)
2.3 Two-Op-Amp-Based Single-Resistance-Controlled Oscillators (SRCOs)
75(6)
2.3.1 Oscillator Realization Using the Concept of FDNR
76(1)
2.3.2 Single-Resistance-Controlled/Voltage-Controlled Oscillators (VCOs)
77(2)
2.3.3 Modified Single-Element-Controlled Wien Bridge Oscillators
79(1)
2.3.4 Two-Op-Amp SRCO Employing Simulated Inductors
79(2)
2.4 Single-Op-Amp-Based Single-Capacitor-Controlled Oscillator
81(1)
2.5 Single-Op-Amp-Based SRCOs
82(11)
2.5.1 Single-Op-Amp-Based Single-Resistance-Controlled Oscillator
82(2)
2.5.2 Identification and Design of Single-Amplifier SRCOs
84(3)
2.5.3 Derivation of Single-Op-Amp SRCOs Using Boutin's Transformations
87(1)
2.5.4 Bandopadhyaya's SRCO and Williams' Simplified Version
87(2)
2.5.5 SRCOs: A Network Synthetic Approach
89(3)
2.5.6 The Complete Family of Single-Op-Amp SRCOs
92(1)
2.6 SRCOs Using Grounded Capacitors
93(7)
2.6.1 Three-Op-Amp SRCO Employing Grounded Capacitors
93(4)
2.6.2 Two-Op-Amp-GC SRCO
97(1)
2.6.3 Single-Op-Amp SRCOs Employing All Grounded Capacitors
98(1)
2.6.4 Single-Op-Amp-Two-GC SRCO
99(1)
2.6.5 A Family of Single-Op-Amp-Two-GC SRCOs
100(1)
2.7 Scaled-Frequency Oscillators
100(6)
2.8 Sinusoidal Oscillators Exhibiting Linear Tuning Laws
106(3)
2.9 SRCOs Using Unity Gain Amplifiers
109(8)
2.10 Oscillators with Extended Operational Frequency Range Using Active Compensation and Composite Amplifiers
117(5)
2.11 Active-R, Partially Active-R, and Active-C Oscillators Using Op-Amp Compensation Poles
122(10)
2.11.1 Three-Op-Amp Active-R Oscillators
123(3)
2.11.2 Two-Op-Amp Active-R Sinusoidal Oscillators
126(2)
2.11.3 Active-C Sinusoidal Oscillators
128(1)
2.11.4 Partially Active-R Oscillators
129(3)
2.12 Op-Amp-Based VCOs with Linear Tuning Laws
132(3)
2.13 Concluding Remarks
135(8)
References
136(7)
3 Electronically Controllable OTA-C and Gm-C Sinusoidal Oscillators
143(32)
3.1 Introduction
143(1)
3.2 OTA-C Sinusoidal Oscillators
144(12)
3.2.1 Four-OTA-C Grounded-Capacitor Oscillators
146(3)
3.2.2 Three-OTA-C Oscillators
149(3)
3.2.3 Two-OTA-C Oscillators
152(1)
3.2.4 OTA-C Quadrature Oscillators
152(4)
3.3 OTA-RC Oscillators
156(2)
3.3.1 Two-OTA-RC Oscillators
156(1)
3.3.2 Single-OTA RC Oscillators
157(1)
3.4 Active-Only OTA-Based Oscillators
158(4)
3.5 Electronically Controlled Current-Mode Oscillators Using MO-OTAs
162(2)
3.6 CMOS Implementation of OTA-C Oscillators
164(5)
3.7 Concluding Remarks
169(6)
References
170(5)
4 Sinusoidal Oscillators Using Current Conveyors
175(38)
4.1 Introduction
175(1)
4.2 Single-CC SRCOs
176(6)
4.3 SRCOs Employing Grounded Capacitors
182(6)
4.4 SRCOs Employing All Grounded Passive Elements
188(5)
4.5 Quadrature and Multiphase Sinusoidal Oscillators
193(9)
4.6 SRCOs with Explicit Current Outputs
202(3)
4.7 SRCOs with Grounded Capacitors and Reduced Effect of Parasitic Impedances of CCIIs
205(1)
4.8 Sinusoidal Oscillators with Fully uncoupled Tuning Laws
206(2)
4.9 Concluding Remarks
208(5)
References
209(4)
5 Realization of Sinusoidal Oscillators Using Current Feedback Op-Amps
213(56)
5.1 Introduction
213(1)
5.2 Realization of Single-Element-Controlled Oscillators Using Modem Circuit Building Blocks
214(1)
5.3 Wien Bridge Oscillator Using a CFOA
214(2)
5.4 Realization of Single-Resistance-Controlled Oscillators Using a Single CFOA
216(3)
5.5 A Novel SRCO Employing Grounded Capacitors
219(3)
5.6 A Systematic State-Variable Synthesis of Two-CFOA-Based SRCOs
222(3)
5.7 Some Other Two-CFOA Sinusoidal Oscillator Configurations
225(7)
5.8 Design of SRCOs Using CFOA Poles
232(5)
5.9 Quadrature and Multiphase Oscillators Using CFOAs
237(1)
5.10 SRCOs Providing Explicit Current Output
238(9)
5.10.1 CFOA SRCOs Exhibiting Fully Uncoupled Tuning Laws
244(3)
5.11 Voltage-Controlled Oscillators Using CFOAs and FET-Based VCRs
247(2)
5.12 Realization of Linear VCOs Using CFOAs
249(6)
5.13 Synthesis of Single-CFOA-Based VCOs Incorporating the Voltage Summing Property of Analog Multipliers
255(6)
5.14 Concluding Remarks
261(8)
Appendix 1 Some Recent Contributions to CFOA-Based Oscillators
261(1)
Quadrature Oscillators Using Two CFOAs and Four Passive Components
261(1)
New VLF Oscillators Using a Single CFOA
262(1)
Single CFOA-Based Oscillator Capable of Absorbing all Parasitic Impedances
263(1)
References
264(5)
6 Sinusoidal Oscillator Realizations Using Modern Electronic Circuit Building Blocks
269(98)
6.1 Introduction
269(1)
6.2 Some Prominent Modem Building Blocks
270(20)
6.2.1 Different Variants of the Current Conveyors
271(12)
6.2.2 Some Other Modem Active Building Blocks
283(7)
6.3 Sinusoidal Oscillator Realization Using Different Variants of Current Conveyors
290(17)
6.3.1 A Dual-Mode Sinusoidal Oscillator Using a Single OFCC
290(1)
6.3.2 DOCCII/MOCCII-Based VM/CM QO
291(2)
6.3.3 Oscillators Using DDCCs
293(2)
6.3.4 Oscillators Realized with DVCCs
295(4)
6.3.5 Oscillators Using Third-Generation Current Conveyors (CCIII)
299(1)
6.3.6 ICCII-Based Oscillators
300(4)
6.3.7 Oscillators Using DXCCII
304(1)
6.3.8 FDCCII-Based SRCOs
305(2)
6.4 Sinusoidal Oscillator Realization Using Other Modern Electronic Circuit Building Blocks
307(42)
6.4.1 Unity Gain VF and Unity Gain CF-Based Sinusoidal Oscillators
307(5)
6.4.2 Oscillators Using FTFNs/OMAs
312(3)
6.4.3 Oscillators Using DDAs
315(6)
6.4.4 Oscillators Using Modified CFOAs
321(4)
6.4.5 Oscillators Using CDBAs
325(2)
6.4.6 Oscillators Using CDTAs
327(4)
6.4.7 Oscillators Using CFTAs
331(3)
6.4.8 Oscillators Using CCTAs
334(1)
6.4.9 Oscillators Using CBTAs
334(2)
6.4.10 Oscillators Using DBTAs
336(1)
6.4.11 Oscillators Using Current-Mode Op-Amps
336(2)
6.4.12 Oscillators Using Programmable Current Amplifiers/Current Differencing Units and Current Mirrors
338(2)
6.4.13 Oscillators Using VDIBAs
340(1)
6.4.14 Oscillator Using VD-DIBA
341(2)
6.4.15 Oscillators Using OTRAs
343(6)
6.5 Concluding Remarks
349(18)
References
350(17)
7 Switched-Capacitor, Switched-Current, and MOSFET-C Sinusoidal Oscillators
367(28)
7.1 Introduction
367(1)
7.2 Switched-Capacitor Oscillators
368(9)
7.3 Switched-Current Sinusoidal Oscillators
377(2)
7.4 Sinusoidal Oscillator Using an Alternative Form of Capacitor-Switching
379(2)
7.5 MOSFET-C Sinusoidal Oscillators
381(9)
7.5.1 MOSFET-C Oscillators Using DDAs
381(2)
7.5.2 MOSFET-C Oscillators Using CFOAs
383(3)
7.5.3 MOSFET-C Oscillators Using OTRAs
386(2)
7.5.4 MOSFET-C Oscillators Using Inverting Third-Generation Current Conveyors
388(1)
7.5.5 MOSFET-C Oscillators Using Dual-X CCII
389(1)
7.6 Switched-Capacitor Voltage-Controlled Relaxation Oscillators
390(2)
7.7 Concluding Remarks
392(3)
References
392(3)
8 Current-Controlled Sinusoidal Oscillators Using Current-Controllable Building Blocks
395(30)
8.1 Introduction
395(1)
8.2 CCOs Using Second-Generation Controlled Current Conveyors (CCCII)
396(5)
8.3 CCOs Using CC-CFOAs and Their Variants
401(1)
8.4 CCOs Using CC-CDBAs
402(5)
8.5 CCOs Using CC-CDTAs
407(5)
8.6 CCOs Using CC-CCTAs
412(5)
8.7 Concluding Remarks
417(8)
References
418(7)
9 Bipolar and CMOS Translinear, Log-Domain, and Square-Root Domain Sinusoidal Oscillators
425(22)
9.1 Introduction
425(1)
9.2 Log-Domain Oscillators
426(3)
9.3 Square-Root Domain Oscillators
429(2)
9.4 Current-Mode Oscillator Employing/t Integrators
431(2)
9.5 Log-Domain Quadrature/Multiphase Oscillators
433(2)
9.6 Log-Domain Multiphase Oscillators Using Exponential Transconductor Cells
435(4)
9.7 Square-Root Domain Multiphase Oscillators
439(2)
9.8 Sinh-Domain Multiphase Sinusoidal Oscillators
441(3)
9.9 Concluding Remarks
444(3)
References
445(2)
10 Generation of Equivalent Oscillators Using Various Network Transformations
447(30)
10.1 Introduction
447(1)
10.2 Nullor-Based Transformations of Op-Amp-RC Sinusoidal Oscillators
448(7)
10.3 Application of Network Transposition in Deriving Equivalent Forms of OTA-C Oscillators
455(1)
10.4 Derivation of Equivalent Forms of OTA-RC Oscillators Using the Nullor Approach
456(11)
10.5 Derivation of Oscillators Through Network Transformations Based on Terminal Interchanges
467(1)
10.6 Transformation of Biquadratic Band-Pass Filters into Sinusoidal Oscillators
468(3)
10.7 Transformation of Oscillators Involving Device Interchanges
471(1)
10.8 Concluding Remarks
472(5)
References
473(4)
11 Various Performance Measures, Figures of Merit, and Amplitude Stabilization/Control of Oscillators
477(18)
11.1 Introduction
477(1)
11.2 Start-Up of Oscillations
477(1)
11.3 The Various Figures of Merit and Characterizing Parameters of Oscillators and Waveform Generators
478(2)
11.3.1 Harmonic Distortion
478(1)
11.3.2 Frequency Stability
479(1)
11.3.3 Phase Noise, Jitter Noise and 1/f Noise in Oscillators
479(1)
11.4 Amplitude Stabilization and Control
480(9)
11.4.1 Amplitude Stabilization/Control Using Analog Multipliers
481(2)
11.4.2 Amplitude Control Through Control of Initial Conditions
483(2)
11.4.3 Amplitude Control Through Biasing-Voltage Control
485(1)
11.4.4 Fast Control of Amplitude of Oscillations
486(2)
11.4.5 Amplitude Control in Current-Mode Oscillators
488(1)
11.5 Concluding Remarks
489(6)
References
489(6)
Part III Non-Sinusoidal Waveform Generators and Relaxation Oscillators
12 Non-sinusoidal Waveform Generators and Multivibrators Using OTAs
495(30)
12.1 Introduction
495(1)
12.2 Current-Controlled Oscillators Using Op-Amps and OTAs
495(12)
12.2.1 Operation of the OTA in Saturation
496(1)
12.2.2 Linear Current-Controlled Square/Triangular Wave Generator
497(2)
12.2.3 Improved Temperature-Insensitive VCO
499(3)
12.2.4 A Triangular/Square Wave VCO Using Two OTAs
502(1)
12.2.5 Current-Controlled Oscillator Using Only a Single OTA
503(1)
12.2.6 An Entirely OTA-Based Schmitt Trigger and Square/Triangular Wave Generator
504(1)
12.2.7 Square Wave Generator Using a DO-OTA
505(2)
12.3 Current-Controlled Saw-Tooth Generators
507(3)
12.4 Pulse Wave Form Generator
510(1)
12.5 Monostable Multivibrators Using OTAs
511(7)
12.5.1 Current-Controlled Monostable Multivibrator
511(1)
12.5.2 Monostable Multivibrators with Current Tuning Properties
512(3)
12.5.3 Current-Controlled Monostable Multivibrator with Retriggerable Function
515(2)
12.5.4 Current-Tunable Monostable Multivibrator Using Only a Single OTA
517(1)
12.6 Pulse Width Modulation Circuits Using OTAs
518(3)
12.7 Concluding Remarks
521(4)
References
522(3)
13 Waveform Generators Using Current Conveyors and CFOAs
525(16)
13.1 Introduction
525(1)
13.2 Schmitt Trigger and Waveform Generators Using CCs
525(8)
13.2.1 Schmitt Trigger by Di Cataldo, Palumbo, and Pennisi
526(1)
13.2.2 Square Wave Generator Proposed by Abuelma'atti and Al-Absi
527(1)
13.2.3 Srinivasulu's Schmitt Trigger/Pulse Squaring Circuit
528(2)
13.2.4 Square Wave Generator Proposed by Marcellis, Carlo, Ferri, and Stornelli
530(1)
13.2.5 Square/Rectangular Wave Generator Proposed by Almashary and Alhokail
531(2)
13.3 Schmitt Trigger and Non-Sinusoidal Waveform Generators Using CFOAs
533(6)
13.3.1 CFOA Version of the CCII+ Based Schmitt Trigger of Di Cataldo, Palumbo, and Pennisi
533(2)
13.3.2 Srinivasulu's Schmitt Trigger
535(2)
13.3.3 Minaei--Yuce Square/Triangular Wave Generator
537(1)
13.3.4 Abuelma'atti and Al-Shahrani Circuit
538(1)
13.4 Concluding Remarks
539(2)
References
540(1)
14 Nonsinusoidal Waveform Generators/Relaxation Oscillators Using Other Building Blocks
541(34)
14.1 Introduction
541(1)
14.2 Relaxation Oscillators Using OTRAs
542(7)
14.2.1 Schmitt Trigger Using OTRA
542(2)
14.2.2 Square Wave Generator Using a Single OTRA
544(3)
14.2.3 Current-Mode Monostable Multivibrators Using OTRAs
547(2)
14.3 Multivibrators and Square/Triangular Wave Generators Using DVCCs
549(11)
14.3.1 Square/Triangular Wave and Saw-Tooth Wave Generator Using DVCC
549(2)
14.3.2 Switch-Controllable Bistable Multivibrator
551(3)
14.3.3 Single DVCC-Based Monostable Multivibrators
554(2)
14.3.4 Relaxation Oscillators Using DVCCs
556(2)
14.3.5 DO-DVCC-Based Square/Triangular Wave Generator
558(2)
14.4 Multivibrators Using CDBA
560(3)
14.5 Electronically Controllable Schmitt-Trigger and Waveform Generators Using MO-CCCCTA
563(2)
14.6 Electronically Controllable Current-Mode Schmitt Trigger and Relaxation Oscillators Using MO-CCCDTA
565(5)
14.7 Miscellaneous Other Waveform Generators Using Other Building Blocks
570(1)
14.8 Concluding Remarks
570(5)
References
571(4)
Part IV Current directions, Concluding remarks and additional references for further reading
15 Current Directions of Research and Concluding Remarks
575(14)
15.1 Introduction
575(1)
15.2 Current Directions of Research on Oscillators and Waveform Generators
576(7)
15.2.1 Oscillator Synthesis Using Pathological Elements
576(1)
15.2.2 Fractional-Order Sinusoidal Oscillators
577(1)
15.2.3 Memristor-Based Oscillators
578(1)
15.2.4 Sine Wave, Square Wave, and Triangular Wave Generation from Chua's Chaotic Oscillator
579(4)
15.2.5 Counter Examples to Barkhausen Criterion and Oscillator Start-Up Issues
583(1)
15.3 Concluding Remarks
583(3)
15.4 Epilogue
586(3)
References
587(2)
About the Authors 589(4)
Additional References for Further Reading 593(18)
Index 611
Raj Senani received B.Sc. from Lucknow University, B.Sc. Engg. from HBTI, Kanpur, M.E. (Honors) from MNNIT, Allahabad and Ph.D. in Electrical Engg. from University of Allahabad, India. Dr. Senani became a Professor of Electronics and Communication Engineering at Delhi Institute of Technology, now known as Netaji Subhas Institute of Technology (NSIT), New Delhi, in 1990 and has held the positions of Head and Dean of various Departments, as well as Institute Director, a number of times since then. His last assignment as Director, NSIT, was from October 2008 to December 30, 2014. His areas of research interest are Bipolar and CMOS Analog Integrated Circuits and Analog Signal Processing and he has authored/co-authored over 140 research papers in International Journals, 04 book chapters and 02 monographs, namely, `Current feedback Operational Amplifiers and their Applications (Springer 2013) and `Current Conveyors: Variants, Applications and Hardware implementations (Springer 2014). He is serving as the Editor-in-Chief of IETE Journal of Education and an Associate Editor for Circuits, Systems and Signal Processing, since 2003. Professor Senani is a Senior Member of IEEE, Fellow of IE (India), Life Fellow of IETE (India) and was elected a Fellow of the National Academy of Sciences, India (NASI), in 2008. He is the recipient of Second Laureate of the 25th Khwarizmi International Award for the year 2012. 



D. R. Bhaskar received B.Sc. from Agra University, B. Tech. from IIT, Kanpur, M.Tech. from IIT, Delhi and Ph.D. from University of Delhi. Dr. Bhaskar has been a full Professor of ECE at Jamia Millia Islamia, New Delhi, since 2002 and has served as the Head of the Department of ECE during 2002-2005. Professor Bhaskar is a Senior Member of IEEE, A Fellow of IE (India) and a Life Fellow of IETE (India). His areas of research  interest are Analog Integrated Circuits and Signal Processing and he has authored/co-authored over

75 research papers in International Journals, 03 book chapters and 02 monographs, namely, `Current feedback Operational Amplifiers and their Applications (Springer 2013) and `Current Conveyors: Variants, Applications and Hardware implementations (Springer 2014).

V. K Singh obtained B.E. and M. E. degrees in Electrical Engineering from M. N. R. Engineering College, Allahabad and Ph.D. in Electronics and Communication Engineering from Uttar Pradesh Technical University, India. He has been a full Professor of Electronics and Communication Engineering at IET, Lucknow since 2004 and has functioned as Head of the Electronics Engineering Department during 1986-1988, 2007-2010 and 2013-onwards. He has been Dean of Research and Development since 2007. He is a member of IEEE and a Fellow of IETE (India). His teaching and research interests are in the areas of Analog Integrated Circuits and Signal Processing. He has authored/co-authored 16 research papers in various international Journals, 02 book Chapters and a monograph namely, `Current feedback Operational Amplifiers and their Applications (Springer 2013).

 R. K. Sharma received A.M.I.E. (India) in Electronics and Communication Engineering in 1989 from The Institution of Engineers (India) Kolkata, M.E. in Control and Instrumentation in 1994 from MNNIT, Allahabad and Ph.D. from University of Delhi in 2007. Dr. Sharma has been Associate Professor in the Department of ECE at Ambedkar Institute of Advanced Communication Technologies and Research, Delhi, since 2010. His teaching and research interests are in the areas of Circuits and Systems, Analog and Digital Integrated Electronics, Network Synthesis and Filter design, Current-mode Signal processing and Field programmable Analog arrays. He has authored/co-authored 12 research papers in international journals and one book chapter for a monograph published by Springer.