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September 25, 2023

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Description

Analog Circuits. Instructor: Dr. Nagendra Krishnapura, Department of Electrical Engineering, IIT Madras.

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 or bipolar transistors. (from nptel.ac.in)

Course Curriculum

    • Lecture 01 – Course Introduction Unlimited
    • Lecture 02 – Obtaining Power Gain Unlimited
    • Lecture 03 – Obtaining Power Gain using a Linear Two Port Unlimited
    • Lecture 04 – One Port (Two Terminal) Nonlinear Element Unlimited
    • Lecture 05 – Nonlinear Circuit Analysis Unlimited
    • Lecture 06 – Small Signal Incremental Analysis – Graphic View Unlimited
    • Lecture 07 – Small Signal Incremental Analysis Unlimited
    • Lecture 08 – Incremental Equivalent Circuit Unlimited
    • Lecture 09 – Large Signal Characteristics of a Diode Unlimited
    • Lecture 10 – Analysis of Diode Circuits Unlimited
    • Lecture 11 – Small Signal Model of a Diode Unlimited
    • Lecture 12 – Two Port Nonlinearity Unlimited
    • Lecture 13 – Small Signal Equivalent of a Two Port Network Unlimited
    • Lecture 14 – Small Signal Equivalent Circuit of a Two Port Network Unlimited
    • Lecture 15 – Gain of a Two Port Network Unlimited
    • Lecture 16 – Constraints on Small Signal Parameters to Maximize the Gain Unlimited
    • Lecture 17 – Constraints on Large Signal Characteristics to Maximize the Gain Unlimited
    • Lecture 18 – Implications of Constraints in terms of the Circuit Equivalent Unlimited
    • Lecture 19 – MOS Transistor – Description Unlimited
    • Lecture 20 – MOS Transistor Large Signal Characteristics Unlimited
    • Lecture 21 – MOS Transistor Large Signal Characteristics – Graphical View Unlimited
    • Lecture 22 – MOS Transistor Small Signal Characteristics Unlimited
    • Lecture 23 – Linear (Triode) Region of the MOS Transistor Unlimited
    • Lecture 24 – Small Signal Amplifier using the MOS Transistor Unlimited
    • Lecture 25 – Basic Amplifier Structure Unlimited
    • Lecture 26 – Problems with the Basic Amplifier Structure Unlimited
    • Lecture 27 – Adding Bias and Signal – AC Coupling Unlimited
    • Lecture 28 – Common Source Amplifier with Biasing Unlimited
    • Lecture 29 – Common Source Amplifier: Small Signal Equivalent Circuit Unlimited
    • Lecture 30 – Common Source Amplifier Analysis: Effect of Biasing Components Unlimited
    • Lecture 31 – Constraint on the Input Coupling Capacitor Unlimited
    • Lecture 32 – Constraint on the Output Coupling Capacitor Unlimited
    • Lecture 33 – Dependence of Id on Vds Unlimited
    • Lecture 34 – Small Signal Output Conductance of a MOS Transistor Unlimited
    • Lecture 35 – Effect of gds on a Common Source Amplifier, Inherent Gain Limit of a Transistor Unlimited
    • Lecture 36 – Variation of gm with Transistor Parameters Unlimited
    • Lecture 37 – Variation of gm with Constant Vgs and Constant Drain Current Bias Unlimited
    • Lecture 38 – Negative Feedback Control for Constant Drain Current Bias Unlimited
    • Lecture 39 – Types of Feedback for Constant Drain Current Bias Unlimited
    • Lecture 40 – Sense at the Drain and Feedback to the Gate-Drain Feedback Unlimited
    • Lecture 41 – Intuitive Explanation of Low Sensitivity with Drain Feedback Unlimited
    • Lecture 42 – Common Source Amplifier with Drain Feedback Bias Unlimited
    • Lecture 43 – Constraint on the Gate Bias Resistor Unlimited
    • Lecture 44 – Constraint on the Input Coupling Capacitor Unlimited
    • Lecture 45 – Constraint on the Output Coupling Capacitor Unlimited
    • Lecture 46 – Input and Output Resistances of Common Source Amplifier with Constant VGS Bias Unlimited
    • Lecture 47 – Current Mirror Unlimited
    • Lecture 48 – Common Source Amplifier with Current Mirror Bias Unlimited
    • Lecture 49 – Constraint on Coupling Capacitors and Bias Resistance Unlimited
    • Lecture 50 – Diode Connected Transistor Unlimited
    • Lecture 51 – Source Feedback Biasing Unlimited
    • Lecture 52 – Common Source Amplifier with Source Feedback Bias Unlimited
    • Lecture 53 – Constraints on Capacitor Values Unlimited
    • Lecture 54 – Sensing at the Drain and Feeding Back to the Source Unlimited
    • Lecture 55 – Sensing at the Source and Feeding Back to the Gate Unlimited
    • Lecture 56 – Ensuring that Transistor is in Saturation Unlimited
    • Lecture 57 – Using a Resistor instead of Current Source for Biasing Unlimited
    • Lecture 58 – Quick Tour of Amplifying Devices Unlimited
    • Lecture 59 – Controlled Sources using a MOS Transistor – Introduction Unlimited
    • Lecture 60 – Voltage Controlled Voltage Source Unlimited
    • Lecture 61 – VCVS using a MOS Transistor Unlimited
    • Lecture 62 – VCVS using a MOS Transistor – Small Signal Picture Unlimited
    • Lecture 63 – VCVS using a MOS Transistor – Complete Circuit Unlimited
    • Lecture 64 – Source Follower: Effect of Output Conductance; Constraints on Coupling Capacitors Unlimited
    • Lecture 65 – Voltage Controlled Current Source using a MOS Transistor Unlimited
    • Lecture 66 – VCCS using a MOS Transistor: Small Signal Picture Unlimited
    • Lecture 67 – VCCS using a MOS Transistor: Complete Circuit Unlimited
    • Lecture 68 – VCCS using a MOS Transistor: AC Coupling the Output Unlimited
    • Lecture 69 – Source Degenerated CS Amplifier Unlimited
    • Lecture 70 – Current Controlled Current Source using a MOS Transistor Unlimited
    • Lecture 71 – CCCS using a MOS Transistor: Small Signal Picture Unlimited
    • Lecture 72 – CCCS using a MOS Transistor: Complete Circuit Unlimited
    • Lecture 73 – Current Controlled Voltage Source using a MOS Transistor Unlimited
    • Lecture 74 – CCVS using a MOS Transistor: Gain Unlimited
    • Lecture 75 – CCVS using a MOS Transistor: Input and Output Resistances Unlimited
    • Lecture 76 – CCVS using a MOS Transistor: Complete Circuit Unlimited
    • Lecture 77 – Voltage Controlled Voltage Source using an Op-Amp Unlimited
    • Lecture 78 – Current Controlled Voltage Source using an Op-Amp Unlimited
    • Lecture 79 – Negative Feedback and Virtual Short in an Op-Amp Unlimited
    • Lecture 80 – Negative Feedback and Virtual Short in a Transistor Unlimited
    • Lecture 81 – Constraints on Controlled Sources using Op-Amps and Transistors Unlimited
    • Lecture 82 – Summary of Basic Amplifiers Unlimited
    • Lecture 83 – Signal Swing Limits in Amplifiers Unlimited
    • Lecture 84 – Swing Limit due to Transistor Entering Triode Region Unlimited
    • Lecture 85 – Swing Limit due to Transistor Entering Cutoff Region Unlimited
    • Lecture 86 – Swing Limit Calculation Example Unlimited
    • Lecture 87 – Swing Limits – More Calculations Unlimited
    • Lecture 88 – pMOS Transistor Unlimited
    • Lecture 89 – Small Signal Model of the pMOS Transistor Unlimited
    • Lecture 90 – Common Source Amplifier using the pMOS Transistor Unlimited
    • Lecture 91 – Swing Limits of the pMOS Common Source Amplifier Unlimited
    • Lecture 92 – Biasing a pMOS Transistor at a Constant Current; pMOS Current Mirror Unlimited
    • Lecture 93 – Converting nMOS Transistor Circuits to pMOS Unlimited
    • Lecture 94 – Bias Current Generation Unlimited
    • Lecture 95 – Examples of More Than One Transistor in Feedback Unlimited

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