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Courses » Analog Circuits

Analog Circuits

ABOUT THE COURSE

This course is an introduction to amplifiers using transistors. Students will be introduced to MOS transistors, their characteristics, techniques for biasing them, and amplifiers using them. The basic transistor amplifier stages are seen as realizations of different controlled sources using negative feedback. Small- and large-signal characteristics of each amplifier will be discussed. At the end of this course, students should be able to recognize and analyze the basic amplifiers and biasing arrangements using MOS transistors.

8762 students have enrolled already!!

COURSE INSTRUCTOR 


Nagendra Krishnapura is an associate professor in the VLSI group of the department of Electrical Engineering of the Indian Institute of Technology, Madras. He works in the area of analog and mixed-signal integrated circuits and signal processing.

He graduated with a Ph.D. from Columbia University, New York in Oct. 2000. He obtained his B. Tech. degree in Electronics and Communications Engineering from the Indian Institute of Technology, Madras, in 1996. Between 2000 and 2005, he worked as a senior design engineer at Celight, Inc. and Multilink(later Vitesse Semiconductor) where he designed integrated circuits for high speed communications. From 2003 to 2005, he was an Adjunct Assistant Professor and taught courses on Analog Circuit Design at Columbia University.

PRE-REQUISITES

Typical 1st and 2nd year EE curriculum. Specific pre-requisite courses are:

1. Basic Electrical Circuits
(e.g. http://nptel.ac.in/courses/117106108/ )

2. Networks and Systems
(e.g. http://nptel.ac.in/courses/108106075/)

COURSE SYLLABUS

This will be a 8 week course with about 2.5 hours of lectures every week. This course is aimed at 2nd or 3rd year undergraduate students who have already finished a course on basic electrical circuits and are familiar with circuit analysis. This is intended to the be the second course on electronic circuits in the undergraduate curriculum.

Course Layout:
Unit 1: Obtaining power gain and need for nonlinearity
Unit 2: Nonlinear two ports; MOS transistor; Common source amplifier
Unit 3: Common source amplifier using the MOS transistor
Unit 4: Biasing a MOS transistor at a fixed drain current; CS amplifier using drain feedback bias and current mirror bias
Unit 5: Common source amplifier using source feedback bias; Controlled sources using a MOS transistor-VCVS(Source follower)
Unit 6: Controlled sources continued-VCCS(Source degeneration), CCCS(Common gate amplifier), CCVS(Transimpedance amplifier)
Unit 7: Opamp controlled sources; Virtual short; Swing limits; Summary of amplifiers
Unit 8: pMOS transistor; Converting pMOS circuits to nMOS

CERTIFICATION EXAM
  • The exam is optional for a fee. Exams will be on 24 Sep 2017
  • Time: Shift 1: 9am-12 noon; Shift 2: 2pm-5pm
  • Any one shift can be chosen to write the exam for a course.
  • Registration url: Announcements will be made when the registration form is open for registrations.
  • The online registration form has to be filled and the certification exam fee needs to be paid. More details will be made available when the exam registration form is published.


CERTIFICATE

  • Final score will be calculated as : 25% assignment score + 75% final exam score
  • 25% assignment score is calculated as 25% of average of Best 6 out of 8 assignments
  • E-Certificate will be given to those who register and write the exam and score greater than or equal to 40% final score. Certificate will have your name, photograph and the score in the final exam with the breakup. It will have the logos of NPTEL and IIT Madras. It will be e-verifiable at nptel.ac.in/noc.