Analog Electronic Circuits - Vol 3 | 66. Multi-Transistor Amplifiers : Amplifier With Active Load (Part A) by Abraham | Learn Smarter
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Knowledge
66. Multi-Transistor Amplifiers : Amplifier With Active Load (Part A)

The chapter delves into the functionalities and advantages of amplifiers with active loads, specifically focusing on common emitter and common source amplifiers. It explains the limitations of traditional amplifiers using passive loads, particularly the voltage gain constraints, and introduces techniques to enhance gain through active loads. The discussion includes circuit analysis, operational characteristics, and design considerations for achieving improved performance in analog electronic circuits.

Sections

  • 66.1

    Analog Electronic Circuits

    This section explores the concept of amplifiers with active loads, focusing on common emitter and common source amplifiers to enhance voltage gain.

    Learning Practice

  • 66.1.1

    Lecture – 66

    This lecture focuses on amplifiers with active loads, particularly common emitter and common source amplifiers, discussing their operation, advantages over passive loads, and voltage gain limitations.

    Learning Practice

  • 66.1.2

    Multi-Transistor Amplifiers: Amplifier With Active Load (Part A)

    This section discusses multi-transistor amplifiers with active loads, focusing on their operation, circuit analysis, and limitations on voltage gain.

    Learning Practice

  • 66.2

    Overview

    This section introduces multi-transistor amplifiers, focusing on amplifiers with active loads, including common emitter and common source amplifiers.

    Learning Practice

  • 66.2.1

    Motivation Of Using Active Load

    This section discusses the motivation behind using active loads in amplifier circuits, particularly focusing on their advantages in enhancing voltage gain.

    Learning Practice

  • 66.2.2

    Basic Operation Of Amplifier With Active Load

    This section discusses the basic operation of amplifiers with active loads, focusing on their advantages over passive loads, particularly in enhancing voltage gain.

    Learning Practice

  • 66.2.3

    Circuit Analysis Including Small Signal Model And Gain

    This section discusses amplifier circuits with active loads, focusing on common emitter and common source configurations.

    Learning Practice

  • 66.2.4

    Practical Circuits Having The Active Load

    This section discusses amplifiers with active loads, focusing primarily on common emitter and common source amplifiers, and their significance in circuit design.

    Learning Practice

  • 66.2.5

    Common Emitter And Common Source Amplifier

    This section covers the operation and characteristics of Common Emitter and Common Source amplifiers, emphasizing the limitations of voltage gain and the benefits of using active loads.

    Learning Practice

  • 66.2.6

    Numerical Examples And Design Guidelines

    This section introduces active load amplifiers, demonstrating their advantages over passive load systems and presenting their design considerations.

    Learning Practice

  • 66.3

    Recapitulation Of Ce Amplifier

    This section discusses the basic operations and limitations of a Common Emitter (CE) amplifier and introduces the concept of using active loads to enhance voltage gain.

    Learning Practice

  • 66.3.1

    Limitation Of Voltage Gain

    This section discusses the limitations of voltage gain in analog amplifiers, particularly the common emitter and common source amplifiers.

    Learning Practice

  • 66.3.2

    Basic Operation And Limitations

    The section discusses the basic operations and limitations of amplifiers with active loads, focusing on common emitter and common source amplifiers as examples.

    Learning Practice

  • 66.4

    Load Line Characteristic

    This section explores the concept of load line characteristics in amplifiers, focusing on how active loads can enhance voltage gain.

    Learning Practice

  • 66.4.1

    Obtaining Load Line Characteristic

    This section discusses the significance and procedures for obtaining load line characteristics in amplifiers with active loads.

    Learning Practice

  • 66.4.2

    Shifting And Matching Axes

    This section discusses active load amplifiers, focusing on the common emitter and common source amplifiers and highlights the motivation for using active loads to enhance voltage gain.

    Learning Practice

  • 66.4.3

    Gain Considerations

    This section discusses the motivation behind using active load amplifiers to enhance the voltage gain of transistor amplifiers.

    Learning Practice

  • 66.5

    Limitations Of Gain In Ce Amplifier

    This section discusses the limitations of voltage gain in common emitter amplifiers, emphasizing how passive loads restrict the overall gain.

    Learning Practice

  • 66.5.1

    Theoretical Limit Of Gain

    This section discusses the concept of amplifiers with active loads, focusing on voltage gain limitations in common emitter and common source amplifiers.

    Learning Practice

  • 66.5.2

    Increasing Gain

    This section discusses the concept of 'Amplifier with Active Load', focusing on how using active loads instead of passive ones can enhance voltage gain in multi-transistor amplifiers.

    Learning Practice

  • 66.5.3

    Concerns With Higher Supply Voltage

    This section discusses the limitations and challenges associated with using higher supply voltage in amplifiers, particularly focusing on the common emitter and common source amplifiers.

    Learning Practice

  • 66.6

    Common Source Amplifier

    The section discusses the common source amplifier, highlighting its operation, limitations in voltage gain, and potential improvements through active load configurations.

    Learning Practice

  • 66.6.1

    Voltage Gain Limitations

    This section discusses the voltage gain limitations in common emitter and common source amplifiers, highlighting the impact of using passive versus active loads.

    Learning Practice

  • 66.6.2

    I-V Characteristic Curve

    The I-V characteristic curve illustrates the relationship between current and voltage in electronic circuits, specifically in amplifiers with active loads.

    Learning Practice

  • 66.6.3

    Expression Of Voltage Gain

    This section explores the concept of voltage gain in amplifiers with active loads, discussing the limitations of traditional methods and the advantages of using active load configurations.

    Learning Practice

  • 66.6.4

    Practical Gain Limitations

    This section discusses the limitations of voltage gain in analog amplifiers, specifically focusing on common emitter and common source amplifiers with passive loads.

    Learning Practice

  • 66.6.5

    Characteristics For Increasing Gain

    This section discusses the characteristics and operational principles of amplifiers with active loads, emphasizing their advantages in increasing voltage gain compared to conventional configurations.

    Learning Practice

References

Lecture 66.pdf

Class Notes

Memorization

What we have learnt

  • Amplifiers with active load...
  • The voltage gain of common ...
  • Understanding the operating...

Final Test

Revision Tests