====== EC5135: Analog Electronic Circuits/EC3102 Analog Circuits(Aug.-Nov. 2012) ====== 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. The pdf files contain the journal snapshots. ==== Lectures ==== - 2012-07-31: [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120731/ec3102-intro.pdf|Introduction to the course]] - 2012-08-01: (no recording; [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120801/20120801.pdf|pdf]]): Need for nonlinear circuits; Analysis of nonlinear circuits - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120802/20120802.html|2012-08-02]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120802/20120802.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120802/20120802.pdf|pdf]]): Small signal incremental analysis - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120803/20120803.html|2012-08-03]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120803/20120803.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120803/20120803.pdf|pdf]]): Small signal incremental analysis; Diode models; Small signal two-port parameters - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120807/20120807.html|2012-08-07]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120807/20120807.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120807/20120807.pdf|pdf]]): Small signal two-port parameters for obtaining a high gain; MOS transistor - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120808/20120808.html|2012-08-08]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120808/20120808.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120808/20120808.pdf|pdf]]): MOS transistor I-V characteristics; Choosing the operating point for a given gain - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120809/20120809.html|2012-08-09]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120809/20120809.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120809/20120809.pdf|pdf]]): Combining small signal and large signal pictures to realize the amplifier; Gate bias using a voltage divider - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120810/20120810.html|2012-08-10]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120810/20120810.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120810/20120810.pdf|pdf]]): Adding bias and signal using a coupling capacitor - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120816/20120816.html|2012-08-16]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120816/20120816.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120816/20120816.pdf|pdf]]): Brief overview of differential equations, and sinusoidal steady state response; Magnitude and phase plots - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120817/20120817.html|2012-08-17]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120817/20120817.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120817/20120817.pdf|pdf]]): Bode plots - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120821/20120821.html|2012-08-21]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120821/20120821.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120821/20120821.pdf|pdf]]): Common source amplifier with ac coupled source and load - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120822/20120822.html|2012-08-22]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120822/20120822.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120822/20120822.pdf|pdf]]): Common source amplifier swing limits - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120824/20120824.html|2012-08-24]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120824/20120824.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120824/20120824.pdf|pdf]]): MOS transistor in triode region; Dependence of drain current on drain-source voltage in saturation region - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120828/20120828.html|2012-08-28]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120828/20120828.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120828/20120828.pdf|pdf]]): Adding or removing a dc bias from a signal; ac coupling networks - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120830/20120830.html|2012-08-30]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120830/20120830.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120830/20120830.pdf|pdf]]): Sensitivity of amplifier parameters to transistor parameters; Biasing at a constant drain current using negative feedback - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120904/20120904.html|2012-09-04]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120904/20120904.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120904/20120904.pdf|pdf]]): Common source amplifier with drain feedback bias - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120905/20120905.html|2012-09-05]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120905/20120905.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120905/20120905.pdf|pdf]]): Common source amplifier with drain feedback bias-coupling capacitors, swing - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120906/20120906.html|2012-09-06]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120906/20120906.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120906/20120906.pdf|pdf]]): Common source amplifier with current mirror biasing; Biasing a transistor with a current source at the source - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120907/20120907.html|2012-09-07]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120907/20120907.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120907/20120907.pdf|pdf]]): Common source amplifier with source feedback biasing - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120911/20120911.html|2012-09-11]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120911/20120911.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120911/20120911.pdf|pdf]]): Negative feedback circuits; opamps - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120914/20120914.html|2012-09-14]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120914/20120914.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120914/20120914.pdf|pdf]]): Sensitivity of bias circuits(Problem set 3 review); Quiz II review - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120921/20120921.html|2012-09-21]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120921/20120921.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120921/20120921.pdf|pdf]]): Opamp model; Determining opamp signs for dc negative feedback; CCVS using an opamp - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120925/20120925.html|2012-09-25]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120925/20120925.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120925/20120925.pdf|pdf]]): Transistor biasing; VCVS using a transistor(common drain amplifier) - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120926/20120926.html|2012-09-26]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120926/20120926.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120926/20120926.pdf|pdf]]): Common drain amplifier; VCCS using a transistor - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120927/20120927.html|2012-09-27]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120927/20120927.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120927/20120927.pdf|pdf]]): VCCS using a transistor-biasing, swing limits; CCCS using a transistor - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120928/20120928.html|2012-09-28]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120928/20120928.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20120928/20120928.pdf|pdf]]): CCCS(common gate amplifier) using a transistor; CCVS using a transistor - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121003/20121003.html|2012-10-03]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121003/20121003.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121003/20121003.pdf|pdf]]): pMOS transistor; Converting nMOS circuits to pMOS - 2012-10-09: Quiz III discussion - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121010/20121010.html|2012-10-10]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121010/20121010.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121010/20121010.pdf|pdf]]): Controlled sources using pMOS; Common source amplifier gain limit - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121011/20121011.html|2012-10-11]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121011/20121011.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121011/20121011.pdf|pdf]]): Common source amplifier with an active load; Input-output characteristics - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121012/20121012.html|2012-10-12]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121012/20121012.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121012/20121012.pdf|pdf]]): CMOS inverter and its characteristics - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121016/20121016.html|2012-10-16]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121016/20121016.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121016/20121016.pdf|pdf]]): CMOS inverter-self bias voltage, quiescent current; Realizing an opamp - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121017/20121017.html|2012-10-17]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121017/20121017.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121017/20121017.pdf|pdf]]): Differential pair; with active load - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121018/20121018.html|2012-10-18]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121018/20121018.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121018/20121018.pdf|pdf]]): Differential pair with current mirror active load - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121019/20121019.html|2012-10-19]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121019/20121019.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121019/20121019.pdf|pdf]]): Differential pair with current mirror active load-small signal model - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121023/20121023.html|2012-10-23]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121023/20121023.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121023/20121023.pdf|pdf]]): Differential pair with current mirror active load-Common mode rejection, swing limits - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121025/20121025.html|2012-10-25]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121025/20121025.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121025/20121025.pdf|pdf]]): Single stage opamp with a buffer; Two stage opamp - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121026/20121026.html|2012-10-26]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121026/20121026.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121026/20121026.pdf|pdf]]): Two stage opamp-small signal behavior; swing limits - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121031/20121031.html|2012-10-31]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121031/20121031.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121031/20121031.pdf|pdf]]): Parasitic poles; Single pole opamp in negative feedback - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121101/20121101.html|2012-11-01]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121101/20121101.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121101/20121101.pdf|pdf]]): Two pole opamp in negative feedback; Loop gain and its significance - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121106/20121106.html|2012-11-06]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121106/20121106.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121106/20121106.pdf|pdf]]): Two pole opamp in negative feedback; Loop gain and its significance - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121107/20121107.html|2012-11-07]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121107/20121107.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121107/20121107.pdf|pdf]]): Dominant pole compensation - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121109/20121109.html|2012-11-09]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121109/20121109.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121109/20121109.pdf|pdf]]): Dominant pole compensation by pole splitting - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121114/20121114.html|2012-11-14]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121114/20121114.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121114/20121114.pdf|pdf]]): Right half plane zero; Cancelling the right half plane zero - [[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121115/20121115.html|2012-11-15]]([[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121115/20121115.m4v|iPod]],[[http://www.ee.iitm.ac.in/~nagendra/EC201/201208/lectures/20121115/20121115.pdf|pdf]]): Bipolar junction transistor; Large and small signal models; Key differences from the MOS transistor ==== Problem sets ==== - [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ec3102_2012/ec3102prob1.pdf?id=courses%3Aec3102_2012%3Astart&cache=cache|2012-08-14: Problem set 1]] - [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ec3102_2012/ec3102prob2.pdf?id=courses%3Aec3102_2012%3Astart&cache=cache|2012-08-31: Problem set 2]] - [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ec3102_2012/ec3102prob3.pdf?id=courses%3Aec3102_2012%3Astart&cache=cache|2012-09-12: Problem set 3]] - [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ec3102_2012/ec3102prob4.pdf?id=courses%3Aec3102_2012%3Astart&cache=cache|2012-10-04: Problem set 4]] - [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ec3102_2012/ec3102prob5.pdf?id=courses%3Aec3102_2012%3Astart&cache=cache|2012-10-30: Problem set 5]] - [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ec3102_2012/ec3102prob6.pdf?id=courses%3Aec3102_2012%3Astart&cache=cache|2012-10-30: Problem set 6]] - [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ec3102_2012/ec3102prob7.pdf?id=courses%3Aec3102_2012%3Astart&cache=cache|Problem set 7]] - [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ec3102_2012/ec3102prob8.pdf?id=courses%3Aec3102_2012%3Astart&cache=cache|Problem set 8]] - [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ec3102_2012/ec3102prob9.pdf?id=courses%3Aec3102_2012%3Astart&cache=cache|Problem set 9]] - [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ec3102_2012/ec3102prob10.pdf?id=courses%3Aec3102_2012%3Astart&cache=cache|Problem set 10]] ==== Quizzes ==== - 2012-08-23: Quiz I - 2012-09-13: Quiz II - 2012-10-05: Quiz III - 2012-11-02: Quiz IV