NPTEL : NOC:Analog Circuits (Electrical Engineering)

Co-ordinators : Dr. Nagendra Krishnapura


Lecture 1 - Introduction to the course

Lecture 2 - Obtaining power gain

Lecture 3 - Obtaining power gain using a linear two port?

Lecture 4 - One port (two terminal) nonlinear element

Lecture 5 - Nonlinear circuit analysis

Lecture 6 - Small signal incremental analysis - graphical view

Lecture 7 - Small signal incremental analysis

Lecture 8 - Incremental equivalent circuit

Lecture 9 - Large signal characteristics of a diode

Lecture 10 - Analysis of diode circuits

Lecture 11 - Small signal model of a diode

Lecture 12 - Two port nonlinearity

Lecture 13 - Small signal equivalent of a two port network

Lecture 14 - Small signal equivalent circuit of a two port network

Lecture 15 - Gain of a two port network

Lecture 16 - Constraints on small signal parameters to maximize the gain

Lecture 17 - Constraints on large signal characteristics to maximize the gain

Lecture 18 - Implications of constraints in terms of the circuit equivalent

Lecture 19 - MOS transistor-description

Lecture 20 - MOS transistor large signal characteristics

Lecture 21 - MOS transistor large signal characteristics - graphical view

Lecture 22 - MOS transistor small signal characteristics

Lecture 23 - Linear (Triode) region of the MOS transistor

Lecture 24 - Small signal amplifier using the MOS transistor

Lecture 25 - Basic amplifier structure

Lecture 26 - Problems with the basic structure

Lecture 27 - Adding bias and signal-ac coupling

Lecture 28 - Common source amplifier with biasing

Lecture 29 - Common source amplifier: Small signal equivalent circuit

Lecture 30 - Common source amplifier analysis: Effect of biasing components

Lecture 31 - Constraint on the input coupling capacitor

Lecture 32 - Constraint on the output coupling capacitor

Lecture 33 - Dependence of ID on VDS

Lecture 34 - Small signal output conductance of a MOS transistor

Lecture 35 - Effect of gds on a common source amplifier; Inherent gain limit of a transistor

Lecture 36 - Variation gm with transistor parameters

Lecture 37 - Variation of gm with constant VGS and constant drain current bias

Lecture 38 - Negative feedback control for constant drain current bias

Lecture 39 - Types of feedback for constant drain current bias

Lecture 40 - Sense at the drain and feedback to the gate-Drain feedback

Lecture 41 - Intuitive explanation of low sensitivity with drain feedback

Lecture 42 - Common source amplifier with drain feedback bias

Lecture 43 - Constraint on the gate bias resistor

Lecture 44 - Constraint on the input coupling capacitor

Lecture 45 - Constraint on the output coupling capacitor

Lecture 46 - Input and output resistances of the common source amplifier with constant VGS bias

Lecture 47 - Current mirror

Lecture 48 - Common souce amplifier with current mirror bias

Lecture 49 - Constraint on coupling capacitors and bias resistance

Lecture 50 - Diode connected transistor

Lecture 51 - Source feedback biasing

Lecture 52 - Common source amplifier with source feedback bias

Lecture 53 - Constraints on capacitor values

Lecture 54 - Sensing at the drain and feeding back to the source

Lecture 55 - Sensing at the source and feeding back to the gate

Lecture 56 - Ensuring that transistor is in saturation

Lecture 57 - Using a resistor instead of current source for biasing

Lecture 58 - Controlled sources using a MOS transistor-Introduction

Lecture 59 - Voltage controlled voltage source

Lecture 60 - VCVS using a MOS transistor

Lecture 61 - VCVS using a MOS transistor - Small signal picture

Lecture 62 - VCVS using a MOS transistor - Complete circuit

Lecture 63 - Source follower: Effect of output conductance; Constraints on coupling capacitors

Lecture 64 - VCCS using a MOS transistor

Lecture 65 - VCCS using a MOS transistor: Small signal picture

Lecture 66 - VCCS using a MOS transistor: Complete circuit

Lecture 67 - VCCS using a MOS transistor: AC coupling the output

Lecture 68 - Source degenrated CS amplifier

Lecture 69 - CCCS using a MOS transistor

Lecture 70 - CCCS using a MOS transistor: Small signal picture

Lecture 71 - CCCS using a MOS transistor: Complete circuit

Lecture 72 - CCVS using a MOS transistor

Lecture 73 - CCVS using a MOS transistor: Gain

Lecture 74 - CCVS using a MOS transistor: Input and output resistances

Lecture 75 - CCVS using a MOS transistor: Complete circuit

Lecture 76 - VCVS using an opamp

Lecture 77 - CCVS using an opamp

Lecture 78 - Negative feedback and virtual short in an opamp

Lecture 79 - Negative feedback and virtual short in a transistor

Lecture 80 - Constraints on controlled sources using opamps and transistors

Lecture 81 - Quick tour of amplifying devices

Lecture 82 - Signal swing limits in amplifiers

Lecture 83 - Swing limit due to transistor entering triode region

Lecture 84 - Swing limit due to transistor entering cutoff region

Lecture 85 - Swing limit calculation example

Lecture 86 - Swing limits-more calculations

Lecture 87 - pMOS transistor

Lecture 88 - Small signal model of the pMOS transistor

Lecture 89 - Common source amplifier using the pMOS transistor

Lecture 90 - Swing limits of the pMOS common source amplifier

Lecture 91 - Biasing a pMOS transistor at a constant current; pMOS current mirror

Lecture 92 - Converting nMOS transistor circuits to pMOS

Lecture 93 - Bias current generation

Lecture 94 - Examples of more than one transistor in feedback

Lecture 95 - Gain limitation in a common source amplifier with resistive load

Lecture 96 - nMOS active load for pMOS common source amplifier

Lecture 97 - CMOS inverter

Lecture 98 - Large signal characteristics of pMOS CS amplifier with nMOS active load

Lecture 99 - Large signal characteristics of nMOS CS amplifier with pMOS active load

Lecture 100 - Large signal characteristics of a CMOS inverter

Lecture 101 - Active load amplifiers as digital gates

Lecture 102 - Sensitivity of output bias to input bias in a CMOS inverter

Lecture 103 - Self biasing a CMOS inverter

Lecture 104 - An application of self biased inverters

Lecture 105 - Current consumption of a self-biased inverter; Current biasing

Lecture 106 - Amplifying a difference signal; Differential pair

Lecture 107 - Differential pair-small signal basics

Lecture 108 - Biasing a differential pair

Lecture 109 - Differential pair with differential excitation

Lecture 110 - Differential pair with a current mirror load

Lecture 111 - Differential pair with a current mirror load - operating point

Lecture 112 - Differential pair with a current mirror load - Norton equivalent current

Lecture 113 - Differential pair with a current mirror load - Norton equivalent resistance

Lecture 114 - Common mode gain

Lecture 115 - Single stage opamp

Lecture 116 - Single stage opamp: Input common mode swing limits

Lecture 117 - Single stage opamp: Output swing limits

Lecture 118 - Which transistor type to use for the second stage?

Lecture 119 - Small signal gain

Lecture 120 - DC negative feedback biasing of all stages

Lecture 121 - DC negative feedback biasing of all stages (Continued...)

Lecture 122 - Small signal model

Lecture 123 - Swing limits

Lecture 124 - Systematic offset; How to eliminate it

Lecture 125 - Bipolar junction transistor(BJT): Large signal model

Lecture 126 - BJT model for calculating operating points

Lecture 127 - BJT small signal model

Lecture 128 - Biasing a BJT

Lecture 129 - Biasing a BJT, (Continued...)

Lecture 130 - Amplifiers using BJTs

Lecture 131 - PNP transistor