Analog Electronic Circuits - Vol 4 | 99. Applications of feedback in amplifier circuits (Part-C) by Abraham | Learn Smarter
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Academics

Grades

Grade 8 Grade 9 Grade 10 Grade 11 Grade 12

Curriculum

CBSE ICSE IB
Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Professional Courses
Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skillsβ€”perfect for learners of all ages.

games
Typing
Memory
Math
English Adventures
Knowledge
99. Applications of feedback in amplifier circuits (Part-C)

The chapter explores the applications of feedback in amplifier circuits, focusing on the effects of current-series feedback on amplifier performance. It presents the methodology for defining trans-conductance in feedback networks, the significance of bypass capacitors, and the impact of input and output resistance on circuit behavior. Through practical insights and examples, it underscores how feedback influences gains and resistances within amplifier circuits.

Sections

  • 99.1

    Applications Of Feedback In Amplifier Circuits (Part-C)

    This section discusses the role of current-series feedback in amplifier circuits, focusing on feedback effects on trans-conductance, input and output resistance modifications, and circuit configurations.

    Learning Practice

  • 99.2

    Overview Of Feedback Effects

    This section covers the application of feedback in amplifier circuits, focusing on the effects of feedback on input and output resistance.

    Learning Practice

  • 99.2.1

    Current-Series And Voltage-Series Feedback

    This section discusses the concepts of current-series and voltage-series feedback in amplifier circuits, highlighting their operational principles and effects on circuit performance.

    Learning Practice

  • 99.2.2

    Input And Output Resistance Changes

    This section discusses how feedback in amplifier circuits affects the input and output resistances, focusing on series-series feedback configurations.

    Learning Practice

  • 99.2.3

    Small Signal Model Description

    The section elaborates on the small signal model for amplifiers, focusing on the series-series feedback configuration and its implications on circuit performance.

    Learning Practice

  • 99.3

    Model Implementation

    This section discusses the application of feedback in analog amplifier circuits, focusing on current-series feedback and its implications for circuit parameters.

    Learning Practice

  • 99.3.1

    Circuit Analysis

    This section discusses the applications of feedback in amplifier circuits, specifically focusing on series-series feedback configuration.

    Learning Practice

  • 99.3.2

    Feedback Circuit Configuration

    This section discusses the application and configuration of feedback circuits, particularly current-series feedback in amplifier circuits.

    Learning Practice

  • 99.4

    Feedback Factor Guidelines

    This section focuses on the guidelines for utilizing feedback in amplifier circuits, specifically emphasizing the importance of feedback factors in achieving desired circuit characteristics.

    Learning Practice

  • 99.4.1

    Conditions For Feedback Network

    This section discusses the conditions necessary for implementing feedback networks in amplifier circuits, emphasizing the significance of input and output resistances.

    Learning Practice

  • 99.4.2

    Upper And Lower Limits Of R

    This section discusses the upper and lower limits of resistor R in feedback configurations, covering their significance in analog electronic circuits.

    Learning Practice

  • 99.5

    Effect Of Feedback On Circuit Parameters

    This section discusses how feedback affects circuit parameters in analog electronic circuits, focusing on transconductance, input/output resistance, and gain.

    Learning Practice

  • 99.5.1

    Changes In Voltage Gain And Current Gain

    This section discusses how feedback affects voltage gain, current gain, and trans-impedance in amplifier circuits.

    Learning Practice

  • 99.5.2

    Trans-Impedance Changes

    This section discusses the concept of trans-impedance changes in amplifier circuits influenced by feedback mechanisms.

    Learning Practice

  • 99.6

    Numerical Example Analysis

    The section provides a detailed analysis of feedback in amplifier circuits through numerical examples, emphasizing the significance of trans-conductance and circuit parameters.

    Learning Practice

  • 99.6.1

    Component Values And Calculations

    This section covers the application of feedback in amplifier circuits, focusing on current–series feedback and the effects of component values on gain and resistance.

    Learning Practice

  • 99.6.2

    Determining Feedback Range

    This section discusses how to determine the feedback range in amplifier circuits, focusing on conditions for feedback effectiveness.

    Learning Practice

  • 99.6.3

    Predicted Effects On Circuit Parameters

    This section explores the impact of feedback in amplifier circuits on various circuit parameters such as input/output resistance, voltage gain, and current gain.

    Learning Practice

  • 99.7

    Voltage Gain And Current Gain Observations

    This section delves into the interactions of voltage and current gain in amplifier circuits under feedback conditions.

    Learning Practice

References

Lecture 99.pdf

Class Notes

Memorization

What we have learnt

  • Current-series feedback inc...
  • Bypass capacitors can stabi...
  • Feedback configurations aff...

Final Test

Revision Tests