Analog Electronic Circuits - Vol 4 | 80. Differential Amplifier : Analysis and Numerical Examples (Contd.)(Part B) by Abraham | Learn Smarter
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80. Differential Amplifier : Analysis and Numerical Examples (Contd.)(Part B)

The chapter delves into the analysis and numerical examples of differential amplifiers, emphasizing the importance of DC voltage and common mode voltage for effective operation. Key concepts include differential and common mode gain along with an exploration of signal distortion in relation to the operating points of transistors. The chapter concludes by discussing the impact of input common mode voltage on amplifier performance.

Sections

  • 80.1

    Analog Electronic Circuits

    This section covers the analysis of differential amplifiers including their common mode and differential mode voltages, emphasizing the significance of proper biasing to avoid distortion.

    Learning Practice

  • 80.2

    Lecture 80: Differential Amplifier: Analysis And Numerical Examples (Contd.)

    This section discusses the analysis of differential amplifiers, focusing on common mode voltage ranges, gain calculations, and examples using both BJTs and MOSFETs.

    Learning Practice

  • 80.2.1

    Part-B

    This section covers the analysis of a differential amplifier's common mode voltage concerning its performance and gain characteristics.

    Learning Practice

  • 80.3

    Finding Suitable Range Of Common Mode Voltage

    This section discusses the determination of suitable ranges for common mode voltage in differential amplifiers.

    Learning Practice

  • 80.4

    Analysis Of Dc Voltage In Differential Amplifier

    This section examines the DC voltage analysis in differential amplifiers, focusing on the common mode voltage and its impact on the output signals.

    Learning Practice

  • 80.4.1

    Current Flow And Voltage Drop Analysis

    This section explores the analysis of current flow and voltage drop in differential amplifiers, highlighting the importance of common mode voltage limits and their impact on amplifier performance.

    Learning Practice

  • 80.4.2

    Differential And Common Mode Gain Calculations

    This section discusses calculations of differential and common mode gains in Differential Amplifiers, highlighting the effects of various parameters.

    Learning Practice

  • 80.4.2.1

    Differential Mode Gain Analysis

    This section covers the analysis of differential amplifiers, focusing on common mode voltage, differential mode gain, and the implications of varying DC voltages.

    Learning Practice

  • 80.4.2.2

    Common Mode Gain Analysis

    This section focuses on the analysis of common mode gain in differential amplifiers, discussing its implications on output voltage and circuit performance.

    Learning Practice

  • 80.5

    Upper Limit Calculation For V

    This section focuses on calculating the upper limit values for common mode voltage in differential amplifiers.

    Learning Practice

  • 80.5.1

    Base Voltage Considerations

    This section focuses on the significance of base voltage in differential amplifiers, exploring common mode voltage ranges and its impact on circuit performance.

    Learning Practice

  • 80.5.2

    Maximum Collector Voltage Limit

    This section examines the range of suitable common mode voltage for differential amplifiers and the effects of varying collector voltage on transistor operation.

    Learning Practice

  • 80.6

    Differential Amplifier Realized By Mosfet

    This section discusses the analysis and design considerations of a differential amplifier realized using MOSFET technology, focusing on common mode voltage and gain characteristics.

    Learning Practice

  • 80.6.1

    Operating Point And Small Signal Parameters

    This section explores the operating point of differential amplifiers and the corresponding small signal parameters to ensure proper circuit performance.

    Learning Practice

  • 80.6.2

    Differential Mode And Common Mode Gain Analysis For Mosfet

    This section covers the analysis of differential and common mode gains in MOSFET-based differential amplifiers, discussing the operating principles and the effects of various parameters.

    Learning Practice

  • 80.6.2.1

    Signal Output Calculations

    This section discusses the signal output calculations for a differential amplifier, focusing on common mode voltages and the implications of DC voltage on amplifier performance.

    Learning Practice

  • 80.7

    Common Mode And Differential Mode Design Considerations

    This section explores the considerations for common mode and differential mode in amplifier design, focusing on voltage limits and gain implications.

    Learning Practice

  • 80.7.1

    Modification Suggestions For Gain

    This section discusses critical considerations for ensuring suitable common-mode voltage in differential amplifiers, including the influence of DC operating points and necessary voltage adjustments.

    Learning Practice

  • 80.8

    Input Common Mode Voltage Range Considerations

    This section discusses the importance of the common mode voltage range in the analysis of differential amplifiers, focusing on the implications of DC voltage levels for operational efficiency.

    Learning Practice

  • 80.8.1

    Threshold Voltage Impact

    This section discusses the significance of threshold voltage in the operation of differential amplifiers, exploring its effects on common mode voltage and overall circuit behavior.

    Learning Practice

  • 80.8.2

    Numerical Problem Discussion

    This section discusses the analysis of differential amplifiers and numerical examples illustrating their operation.

    Learning Practice

References

Lecture 80 Part A.pdf

Class Notes

Memorization

What we have learnt

  • The suitable range of commo...
  • Both differential and commo...
  • Operating points must be ca...

Final Test

Revision Tests