====== EC5135: Analog Electronic Circuits/EC3102 Analog Circuits(Aug.-Nov. 2011) ======

These lectures are available on the web for the benefit of students at IIT Madras and elsewhere. Copyrights to these rest solely with the instructor and IIT Madras. Copying them, publishing them, rehosting them on other servers, or using them for any sort of commercial gain is prohibited.

See [[:viewinglectures|this page]] for information on how to view these videos. 


===== Instructor: Nagendra Krishnapura =====

This is an introductory course on Analog Circuits. Problem sets and other instructions can be found [[http://www.ee.iitm.ac.in/vlsi/courses/ec201_2011/start|here]]. Familiarity with basic linear electrical networks is assumed. At IIT Madras, the prerequisite courses are [[http://www.ee.iitm.ac.in/~nagendra/videolectures|Electrical and Magnetic Circuits]] and [[http://nptel.iitm.ac.in/video.php?courseId=1049|Networks and Systems]]. 

The lectures are also available in iPod format(320x240 video, AAC audio). Click on the link marked iPod next to each lecture to download these.

==== Lectures ====

  - [[http://www.ee.iitm.ac.in/vlsi/ec201_2011/ec3102_intro.pdf|2011-08-02]]: Introduction to the course
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110803/20110803.html|2011-08-03]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110803/20110803.m4v|iPod]]): Analysis of circuits with nonlinear elements
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110804/20110804.html|2011-08-04]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110804/20110804.m4v|iPod]]): Incremental analysis of a nonlinear circuit; Model of a diode
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110805/20110805.html|2011-08-05]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110805/20110805.m4v|iPod]]): Incremental analysis; One port and two port networks; Two port y-parameters
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110806/20110806.html|2011-08-06]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110806/20110806.m4v|iPod]]): Nonlinear two port networks; Incremental y parameters
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110809/20110809.html|2011-08-09]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110809/20110809.m4v|iPod]]): Incremental y parameters for obtaining high gain; Introduction to the MOS transistor
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110810/20110810.html|2011-08-10]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110810/20110810.m4v|iPod]]): MOS transistor model; Realizing an amplifier using a MOS transistor
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110811/20110811.html|2011-08-11]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110811/20110811.m4v|iPod]]): Common source amplifier; Biasing the transistor and adding the signal
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110816/20110816.html|2011-08-16]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110816/20110816.m4v|iPod]]): Adding a bias to a signal
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110817/20110817.html|2011-08-17]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110817/20110817.m4v|iPod]]): Common source amplifier; ac coupling at the input and the output
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110818/20110818.html|2011-08-18]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110818/20110818.m4v|iPod]]): Calculating ac coupling capacitors; swing limits
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110819/20110819.html|2011-08-19]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110819/20110819.m4v|iPod]]): Swing limits continued; transistor in the triode region.
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110820/20110820.html|2011-08-20]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110820/20110820.m4v|iPod]]): Gain sensitivity to biasing; Biasing a transistor at a constant drain current
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110823/20110823.html|2011-08-23]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110823/20110823.m4v|iPod]]): Current mirror biased common source amplifier
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110826/20110826.html|2011-08-26]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110826/20110826.m4v|iPod]]): Common source amplifier with drain feedback biasing; Biasing using a current source at the source
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110827/20110827.html|2011-08-27]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110827/20110827.m4v|iPod]]): Common source amplifier with a current source at the source terminal; Using a resistor instead of a current source; sensitivity
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110830/20110830.html|2011-08-30]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110830/20110830.m4v|iPod]]): Negative feedback amplifier
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110908/20110908.html|2011-09-08]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110908/20110908.m4v|iPod]]): CCVS using an opamp
  - 2011-09-06: Identifying the signs of the opamp (no recording)
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110909/20110909.html|2011-09-09]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110909/20110909.m4v|iPod]]): VCVS using a transistor-common drain amplifier
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110910/20110910.html|2011-09-10]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110910/20110910.m4v|iPod]]): CCCS using a transistor-common gate amplifier
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110913/20110913.html|2011-09-13]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110913/20110913.m4v|iPod]]): CCVS using a transistor
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110914/20110914.html|2011-09-14]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110914/20110914.m4v|iPod]]): VCCS using a transistor
  - 2011-09-20: pMOS-large signal and small signal models; converting nMOS circuits to pMOS [[http://www.ee.iitm.ac.in/~nagendra/EC201/201008/lectures/20100928/20100928.html|last year's lecture]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201008/lectures/20100928/20100928.m4v|iPod]])
  - 2011-09-21: Biasing a pMOS transistor at a constant current; Controlled sources in pMOS 
    - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201008/lectures/20100929/20100929.html|last year's lecture I]] ([[http://www.ee.iitm.ac.in/~nagendra/EC201/201008/lectures/20100929/20100929.m4v|iPod]])
    - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201008/lectures/20101005/20101005.html|last year's lecture II]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201008/lectures/20101005/20101005.m4v|iPod]])
  - 2011-09-22: Constraints to increasing the gain of a common source amplifier; Active load [[http://www.ee.iitm.ac.in/~nagendra/EC201/201008/lectures/20101006/20101006.html|last year's lecture]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201008/lectures/20101006/20101006.m4v|iPod]])
  - 2011-09-23: Active load; large signal characteristics [[http://www.ee.iitm.ac.in/~nagendra/EC201/201008/lectures/20101008/20101008.html|last year's lecture]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201008/lectures/20101008/20101008.m4v|iPod]])
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110927/20110927.html|2011-09-27]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110927/20110927.m4v|iPod]]): CMOS inverter-characteristics, use as an amplifier
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110928/20110928.html|2011-09-28]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20110928/20110928.m4v|iPod]]): Biasing a CMOS inverter in the high gain region
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111004/20111004.html|2011-10-04]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111004/20111004.m4v|iPod]]): Differential pair; advantages of differential circuits and signals
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111005/20111005.html|2011-10-05]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111005/20111005.m4v|iPod]]): Common mode and differential half circuits
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111011/20111011.html|2011-10-11]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111011/20111011.m4v|iPod]]): Differential pair with current mirror active load 
    * For additional information on calculating the gain of a differential pair with a current mirror load, see [[http://www.ee.iitm.ac.in/~nagendra/EE539/200801/lectures/20080317/20080317.swf|this lecture]]
    * Problem 6 of [[http://www.ee.iitm.ac.in/~nagendra/EE539/200801/assignments/hw06.pdf|this problem set]] deals with conditions under which the tail node voltage is zero in an asymmetrically loaded differential pair.
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111012/20111012.html|2011-10-12]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111012/20111012.m4v|iPod]]): Single stage opamp-swing limits; Adding a buffer; Adding a second stage
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111014/20111014.html|2011-10-14]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111014/20111014.m4v|iPod]]): Two stage opamp
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111018/20111018.html|2011-10-18]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111018/20111018.m4v|iPod]]): Two stage opamp cont'd; MOS transistor parasitics
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111019/20111019.html|2011-10-19]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111019/20111019.m4v|iPod]]): Common source amplifier frequency response
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111020/20111020.html|2011-10-20]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111020/20111020.m4v|iPod]]): Common source amplifier frequency response; Effect of Cgd; Miller effect; Pole splitting
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111025/20111025.html|2011-10-25]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111025/20111025.m4v|iPod]]): Common source, Common drain, Common gate amplifier frequency response
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111027/20111027.html|2011-10-27]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111027/20111027.m4v|iPod]]): Negative feedback amplifier with a single pole opamp; Significance of loop gain and unity loop gain frequency
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111028/20111028.html|2011-10-28]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111028/20111028.m4v|iPod]]): Non-inverting and Inverting amplifiers using an opamp; Negative feedback amplifier with a two pole opamp
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111101/20111101.html|2011-11-01]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111101/20111101.m4v|iPod]]): Multiple poles in negative feedback; Criteria for well behaved amplifiers
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111104/20111104.html|2011-11-04]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111104/20111104.m4v|iPod]]): Phase margin criterion for well behaved amplifiers with multiple poles in the loop
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111108/20111108.html|2011-11-08]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111108/20111108.m4v|iPod]]): Frequency compensation of a two stage opamp with two poles
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111109/20111109.html|2011-11-09]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111109/20111109.m4v|iPod]]): Dominant pole compensation by capacitively loading a node and by pole splitting
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111111/20111111.html|2011-11-11]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111111/20111111.m4v|iPod]]): Pole splitting compensation; examples
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111116/20111116.html|2011-11-16]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111116/20111116.m4v|iPod]]): Right half plane zero cancellation; Introduction to the bipolar transistor
  - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111118/20111118.html|2011-11-18]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201108/lectures/20111118/20111118.m4v|iPod]]): Small signal model of the bipolar transistor; Key differences between BJT and MOS circuits

==== Problem sets ====

  - 2011-08-12: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ec201_2011/ec3102prob1.pdf?id=courses%3Aec201_2011%3Astart&cache=cache|Problem set 1]]
  - 2011-08-24: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ec201_2010/ec201prob2.pdf?id=courses%3Aec201_2011%3Astart&cache=cache|Problem set 2]]
  - 2011-09-15: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ec201_2011/ec3102prob3.pdf?id=courses%3Aec201_2011%3Astart&cache=cache|Problem set 3]]
  - 2011-10-07: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ec201_2010/ec201prob4.pdf?id=courses%3Aec201_2011%3Astart&cache=cache|Problem set 4]]
  - 2011-11-02: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ec201_2010/ec201prob5.pdf?id=courses%3Aec201_2011%3Astart&cache=cache|Problem set 5]]
  - 2011-11-15: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ec201_2010/ec201prob6.pdf?id=courses%3Aec201_2011%3Astart&cache=cache|Problem set 6]]
  - 2011-11-18: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ec201_2008/tutorial9_08.pdf?id=courses%3Aec201_2011%3Astart&cache=cache|Problem set 7]]

==== Quizzes ====

  - 2011-08-25: Quiz I
  - 2011-09-16: Quiz II
  - 2011-10-13: Quiz III
  - 2011-11-03: Quiz IV