EE5310: Analog Electronic CircuitsEE3002: Analog Circuits

Introduction

Aniruddhan SNagendra Krishnapura

https://courses.iitm.ac.in

Department of Electrical EngineeringIndian Institute of Technology, Madras

Chennai, 600036, India

30 July 2014

Aniruddhan S Nagendra Krishnapura https://courses.iitm.ac.in EE5310: Analog Electronic Circuits EE3002: Analog Circuits

Outline

DSP...0100011011...

Digital Processing

Interface Electronics

(A-D and D-A Conversion)

. . .

Sensor(s) Actuator(s)

. . .

. . .

(Signal Conditioning)

Continuous-timeContinuous-amplitude

Discrete -timeDiscrete -amplitude

Continuous-timeContinuous-amplitude

Picture:

courtesy Shanthi Pavan

Aniruddhan S Nagendra Krishnapura https://courses.iitm.ac.in EE5310: Analog Electronic Circuits EE3002: Analog Circuits

Analog circuits in modern systems on VLSI chips

Analog to digital conversionDigital to analog conversionAmplificationSignal processing circuits at high frequenciesPower management-voltage references, voltageregulatorsOscillators

The last two are found even on many digital ICs

Aniruddhan S Nagendra Krishnapura https://courses.iitm.ac.in EE5310: Analog Electronic Circuits EE3002: Analog Circuits

Analog IC design in India

Many companies starting analog centersMultinationals and Indian start upsBig demand for skilled designersInteresting and profitable activity ^

Aniruddhan S Nagendra Krishnapura https://courses.iitm.ac.in EE5310: Analog Electronic Circuits EE3002: Analog Circuits

Course goals

TheorySmall signal analysis of nonlinear systemsAnalysis of nonlinearity and frequency responseStabilization of feedback circuits

DesignAmplifier topologiesBiasing techniques

Aniruddhan S Nagendra Krishnapura https://courses.iitm.ac.in EE5310: Analog Electronic Circuits EE3002: Analog Circuits

Course goals

Rc

Cc

RL

CL

Voutbiasinn inp

Vdd

Iref

M1 M2

M3 M4

M0

I0M12

M11

stage 1 stage 2bias

Aniruddhan S Nagendra Krishnapura https://courses.iitm.ac.in EE5310: Analog Electronic Circuits EE3002: Analog Circuits

Course prerequisites

Circuit analysisMesh, nodal analysesRLC, linear dependent sources

Laplace transforms, frequency responseDifferential equations

EC1010: Electrical and Magnetic CircuitsEC2102: Networks and Systems

Aniruddhan S Nagendra Krishnapura https://courses.iitm.ac.in EE5310: Analog Electronic Circuits EE3002: Analog Circuits

Course contents

Nonlinear circuits-incremental analysisObtaining power gain; MOS transistorAmplifiers with MOS and BJTsOpamps, negative feedback, stabilityApplications: Active filter, voltage regulator

Aniruddhan S Nagendra Krishnapura https://courses.iitm.ac.in EE5310: Analog Electronic Circuits EE3002: Analog Circuits

Follow up

EC3300: Analog circuits labEE5390: Analog IC design

EE5323: Advanced Electrical NetworksEE5340: Active filter designEE6240: RF integrated circuitsEE6580: VLSI data conversion circuitsEE6850: VLSI broadband communication circuits

Aniruddhan S Nagendra Krishnapura https://courses.iitm.ac.in EE5310: Analog Electronic Circuits EE3002: Analog Circuits

Resources

Course homepageIITM moodle: https://courses.iitm.ac.in/http://www.ee.iitm.ac.in/vlsi/ee3002_2014/start

Recorded lectureshttp://www.ee.iitm.ac.in/nagendra/videolectures/Lectures recorded in the classroomKRK Rao foundation on Analog Design, June 2008: (Review ofbasic concepts: Network analysis, small signal analysis,Transistor models, Negative feedback)NPTELProf. VGK Murtis Networks and Systems, and othercourses on circuit analysis.

Text bookNone

Aniruddhan S Nagendra Krishnapura https://courses.iitm.ac.in EE5310: Analog Electronic Circuits EE3002: Analog Circuits

Resources

ReferencesA. S. Sedra and K. C. Smith, Microelectronic Circuits, 5ed,Oxford University Press, 2004.Sergio Franco, Design with operational amplifiers and analogICs, Tata McGraw Hill.Hayt and Kemmerly, Engineering Circuit Analysis, McGraw Hill,6/e.B. P. Lathi, Linear Systems and Signals, Oxford University Press,2 edition, 2004.N. Krishnapura, Introduction to EE539,http://www.ee.iitm.ac.in/nagendra/EE539/200801/handouts.html

Aniruddhan S Nagendra Krishnapura https://courses.iitm.ac.in EE5310: Analog Electronic Circuits EE3002: Analog Circuits

Logistics

E slotRoll numbers ending in 3, 6, 9: ESB106All others: CRC101

Aniruddhan S Nagendra Krishnapura https://courses.iitm.ac.in EE5310: Analog Electronic Circuits EE3002: Analog Circuits

Etiquette and expectations

Mobile phones off85% attendance (includes tutorial sessions, excludesquizzes)Dont enter the class if more than 5 minutes lateTAs take attendance in the first 5 minutesMust solve problems given in classes

Aniruddhan S Nagendra Krishnapura https://courses.iitm.ac.in EE5310: Analog Electronic Circuits EE3002: Analog Circuits

Must know or refresh

Basic circuit analysis (nodal/mesh analysis)Small signal incremental analysisBode plotsTwo port parametersCircuit analysis with Laplace transforms

(Links to recorded lectures on the webpage)

Aniruddhan S Nagendra Krishnapura https://courses.iitm.ac.in EE5310: Analog Electronic Circuits EE3002: Analog Circuits

Evaluation

4 quizzes-50 to 60%End sem-40%Problem sets on the course website-up to 10%

Must attend. Marks based on number of problems solvedcompletely.

Aniruddhan S Nagendra Krishnapura https://courses.iitm.ac.in EE5310: Analog Electronic Circuits EE3002: Analog Circuits

Teaching assistants

Post any questions related to the course on the moodle forumTAs will be at: DSD lab(ESB 122) or VLSI group labs(CSD 204,206)Office hours will be announced

Aniruddhan S Nagendra Krishnapura https://courses.iitm.ac.in EE5310: Analog Electronic Circuits EE3002: Analog Circuits

For more advanced students

Simulate the circuits you see in classhttp://www.ee.iitm.ac.in/nagendra/cadinfo.htmlOnline spice simulator athttp://www.ngspice.com/index.php

Build the circuitsBreadboad, components, IE lab

Aniruddhan S Nagendra Krishnapura https://courses.iitm.ac.in EE5310: Analog Electronic Circuits EE3002: Analog Circuits