Analog Electronic Circuits - Vol 4 | 98. Applications of feedback in amplifier circuits (Part-B) by Abraham | Learn Smarter
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98. Applications of feedback in amplifier circuits (Part-B)

Feedback in amplifier circuits, specifically the common emitter amplifier, is crucial for stabilizing trans-impedance. By utilizing feedback networks, both input and output resistances can be optimized while preserving performance metrics such as voltage and current gain. Various configurations determine the effectiveness of feedback, leading to distinct operational characteristics within amplifier circuits.

Sections

  • 98.1

    Analog Electronic Circuits

    This section focuses on the applications of feedback in amplifier circuits, specifically the common emitter amplifier configuration.

    Learning Practice

  • 98.1.1

    Applications Of Feedback In Amplifier Circuits (Part-B)

    This section discusses the application of feedback in common emitter amplifier circuits, focusing on the stabilization of trans-impedance and input/output resistance.

    Learning Practice

  • 98.2

    Common Emitter Amplifier

    This section covers the concept of the common emitter amplifier and the effects of feedback on its performance, including input and output resistance.

    Learning Practice

  • 98.2.1

    Feedback Configuration

    This section discusses the feedback configuration in amplifier circuits, specifically focusing on the stabilization of trans-impedance and the characteristics of the common emitter amplifier.

    Learning Practice

  • 98.2.2

    Input And Output Resistance

    This section discusses the concepts of input and output resistance in amplifier circuits, especially within the context of feedback mechanisms.

    Learning Practice

  • 98.2.3

    Shunt Configuration

    This section explores the concept of shunt configuration in feedback amplifiers, emphasizing its role in stabilizing trans-impedance and understanding the significance of different circuit parameters.

    Learning Practice

  • 98.2.4

    Thevenin Equivalent Circuit

    The Thevenin equivalent circuit simplifies complex circuits into a single voltage source and resistance, aiding in circuit analysis.

    Learning Practice

  • 98.2.5

    Feedback System Characteristics

    This section discusses the importance of feedback in common emitter amplifiers, focusing on stabilizing trans-impedance and understanding input and output resistances.

    Learning Practice

  • 98.3

    Circuit Analysis

    This section explores the concept of feedback in common emitter amplifier circuits and its implications for stabilizing trans-impedance and resistances.

    Learning Practice

  • 98.3.1

    Forward Amplifier Gain

    This section addresses the concept of forward amplifier gain in common emitter amplifiers and its relationship with feedback configurations.

    Learning Practice

  • 98.3.2

    Feedback Network

    This section discusses the application of feedback networks in common emitter amplifier circuits, emphasizing the effects of negative feedback on gain stability and performance.

    Learning Practice

  • 98.3.3

    Suitable Range Of Feedback Resistors

    This section explores the appropriate range for feedback resistors in amplifier circuits to achieve desired performance and stability.

    Learning Practice

  • 98.4

    Numerical Example

    This section presents a numerical example to illustrate the concepts of a common emitter amplifier with feedback.

    Learning Practice

  • 98.4.1

    Circuit Parameters

    This section introduces the concept of circuit parameters in common emitter amplifiers, focusing on feedback configurations and their impact on stabilizing trans-impedance.

    Learning Practice

  • 98.4.2

    Calculating Feedback Effects

    This section explores the significance of feedback in common emitter amplifier circuits by detailing how feedback can stabilize trans-impedance and its effects on resistance values.

    Learning Practice

  • 98.5

    Conclusion

    The conclusion emphasizes the importance of feedback in amplifier circuits to enhance stability and performance.

    Learning Practice

  • 98.5.1

    Summary Of Findings

    This section discusses the impact of feedback on the stability and performance of common emitter amplifiers, detailing how feedback can stabilize trans-impedance and influence input/output resistances.

    Learning Practice

  • 98.5.2

    Preparation For Next Lecture

    This section presents the concept of feedback in amplifier circuits, illustrating its significance in stabilizing trans-impedance and input/output resistances.

    Learning Practice

References

Lecture 98.pdf

Class Notes

Memorization

What we have learnt

  • Feedback can stabilize the ...
  • The choice of feedback conf...
  • Analyzing feedback effects ...

Final Test

Revision Tests