Integrated Circuits and Systems group, IIT Madras

EE2019: Analog Systems and Lab (Jan-May 2020)

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Instructor: Qadeer Ahmad Khan

Course syllabus, schedule, and assignments can be seen here. If you wish to download these lectures for offline viewing, you may have to disable the player plugin on your browser.

Recorded Lectures

  • Lecture-1(pdf): Voltage/Current Controlled Sources - from Dr. Saurabh Saxena
  • Lecture-2(pdf): Power gain, Non-linear system, Linear input-to-output control - from Dr. Saurabh Saxena
  • Lecture-3(pdf): Power gain, Non-linear system, Linear input-to-output control (contd.) - from Dr. Saurabh Saxena
  • Lecture-4 (pdf) : Power gain, MOSFET and BJT as VCCS, VCVS using VCCS, negative feedback system
  • Lecture-5 (pdf): Integrator, using integrator in a negative feedback system, constant gain amplifier using integrator
  • Lecture-6 (pdf): Transfer function and frequency response of a negative feedback system with integrator
  • Lecture-7 (pdf): Ideal vs. Real integrator, error due to finite gain of integrator, VCCS as operational amplifier (op-amp), inverting and non-inverting amplifiers using op-amp
  • Lecture-8 (pdf): op-amp RC integrator, first order LPF and HPF using op-amp, supply limited op-amp, using op-amp as comparator
  • Lecture-9 (pdf): Realizing schmitt trigger or hysteretic comparator using op-amp in positive feedback
  • Lecture-10 (pdf): Schmitt trigger (contd.), oscillator or triangular wave generator using schmitt trigger and integrator
  • Lecture-11 (pdf): Properties of operational amplifier, offset, error due to finite gain of op-amp, dc biasing of signals
  • Lecture-12 (pdf): Determining the sign of op-amp inputs for negative feedback
  • Lecture-13 (pdf): AC coupling and shifting dc level of signals
  • Lecture-14 (pdf): AC coupling and shifting dc level of signals, DC biasing of an inverting amplifier
  • Lecture-15 (pdf): Input and output impedance of a circuit
  • Lecture-16 (pdf): Biasing a non-inverting amplifier, pulse width modulation (PWM), different types of PWM
  • Lecture-17 (pdf): Extracting DC from PWM using low pass filter, RC vs. LC low pass filter, DC power supply regulator using PWM, introduction to stability
  • Lecture-18 (pdf): Barkhausen criterion for stability, stability of a first order system, loop gain analysis
  • Lecture-19 (pdf): Second order system ( 2-stage op-map)
  • Lecture-20 (pdf): Stability of a 2nd order system, loop gain poles vs closed loop poles, relationship between closed loop damping factor and loop gain poles, effect of damping factor on transient (impulse or step) response
  • Lecture-21 (pdf): Relationship between closed loop damping factor and loop gain phase margin
  • Lecture-22 (pdf): Stabilizing or compensating a 2-stage op-amp (2nd order system), dominant pole compensation
  • Lecture-23 (pdf): Dominant pole compensation of a 2nd order system by adding a 3rd pole
  • Lecture-24 (pdf): RC vs. integral (type-I) compensation, using miller effect as capacitance multiplier, miller compensation of 2-stage op-amp
  • Lecture-25 (pdf): Finding poles and zeros in miller compensated op-amp
  • Lecture-26 (pdf): Finding the value of Cc, pole splitting, effect of R.H.P zero in miller compensation, pole splitting, effect of R.H.P zero, eliminating R.H.P. zero, converting R.H.P zero to L.H.P. for pole-zero cancellation

From Lecture-27 onward, there will no classes but online lectures due to lockdown.

  • Lecture-27 (pdf): Introduction to Voltage Regulators
  • Lecture-28 (pdf): Linear Regulator, Line Regulation, Load Regulation, Load Transient, Efficiency of Linear Regulator
  • Lecture-29 (pdf): Linear Current Regulator, Using Linear Regulator as LED Driver, Switching Regulator, Pulse Width Modulation, Losses in Switching Regulator, Efficiency of Switching Regulator
  • Lecture-30 (pdf): Introduction to Analog Filters, Applications, Sampling and Aliasing
  • Lecture-31 (pdf): Types of Filters, 1st Order RC and opamp-RC filter, frequency response vs. filter order
  • Lecture-32 (pdf): Realization of 1st order filter using integrator, second order filter, realization of second order filter using integrator (state variable technique)
  • Lecture-33 (pdf): Realization of second order filter using opamp-RC (Tow Thomas Biquad), introduction to gm-C filter
  • Lecture-34 (pdf): Gm-C filter building blocks (addrer/subtractor, integrator), transforming opamp-RC filter into gm-C filter, realizing inductor using gm-C (Gyrator/Impedance Inverter)
  • Lecture-35 (pdf): Realizing Gm-C filter using state variable technique, Band Reject Filter (Notch Filter), LDO (Linear Regulator) configurations
  • Lecture-36 (pdf): Single op-amp 2nd order filters (Sallen Key filter, Rauch Filter)
  • Lecture-37 (pdf): Oscillators (LC tuned oscillator, RC phase-shift oscillator, ring oscillator, Wien Bridge oscillator) Introduction to Butterworth filter
  • Lecture-38 (pdf): Finding poles of Butterworth filter, Introduction to A/D converter
  • Lecture-39 (pdf): Sampling, track and hold, sample and hold, Flash A/D converter
  • Lecture-40 (pdf): Two and three step/stage flash A/D, binary search algorithm, SAR (Successive-Approximation-Register) A/D converter
  • Lecture-41 (pdf): D/A converters
  • Lecture-42(pdf): Errors in A/D and D/A converters (offset and gain errors, DNL, INL)
  • Lecture-43 (pdf): Quantization error in A/D converters (end of A/D and D/A topic). Buck converter switching losses, output ripple calculation, boost converter
  • Lecture-44 (pdf) : Dead time switching losses in buck converter, voltage and current waveforms in buck and boost converters, control technique, stability and compensation of buck converter

You can find lectures from previous years below: