Analog Electronic Circuits - Vol 3 | 53. Common Base and Common Gate Amplifiers (Contd.) : Numerical Examples (Part C) by Abraham | Learn Smarter
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53. Common Base and Common Gate Amplifiers (Contd.) : Numerical Examples (Part C)

The chapter covers the performance of Common Base and Common Gate amplifiers, particularly focusing on the impact of removing coupling capacitors on input resistance, voltage gain, and output impedance. Through numerical analyses, key measurements reveal how these parameters are affected and the guidelines are set for designing these circuits for specific requirements. Ultimately, it emphasizes the importance of maintaining AC ground at the base node in these amplifiers.

Sections

  • 53.1

    Analog Electronic Circuits

    This section discusses Common Base and Common Gate Amplifiers, particularly focusing on performance degradation when certain components are omitted.

  • 53.1.1

    Common Base And Common Gate Amplifiers (Contd.): Numerical Examples (Part C)

    This section discusses the performance impacts of omitting capacitors in common base and common gate amplifiers through numerical examples.

  • 53.2

    Examples And Analysis

    This section discusses numerical examples related to common base and common gate amplifiers, emphasizing the impact of a coupling capacitor on performance metrics.

  • 53.2.1

    Performance Of The Common Base Amplifier Without Capacitor C_b

    This section discusses the performance impact of the common base amplifier when the capacitor C_B is removed, focusing on its input resistance, voltage gain, and output impedance.

  • 53.2.2

    Small Signal Equivalent Circuit

    This section explains the small signal equivalent circuit of common base and common gate amplifiers, detailing how the absence of capacitors affects performance parameters.

  • 53.2.3

    Effect On Input Resistance And Voltage Gain

    This section discusses the impact of eliminating capacitive coupling on the input resistance and voltage gain of common base and common gate amplifiers.

  • 53.2.4

    Voltage Gain Calculation

    In this section, the effects of connecting or disconnecting a capacitor in common base and common gate amplifiers on voltage gain and input resistance are analyzed.

  • 53.2.5

    Output Impedance Analysis

    This section delves into the analysis of output impedance in Common Base and Common Gate amplifiers, focusing on the effects of removing a coupling capacitor.

  • 53.3

    Design Guidelines

    This section focuses on design guidelines for amplifiers in electronic circuits, detailing performance metrics and circuit design requirements.

  • 53.3.1

    Design For Common Gate Amplifier

    This section focuses on the performance of the Common Gate Amplifier, detailing the impact of removing a significant capacitor from the circuit.

References

Lecture 53.pdf

Class Notes

Memorization

What we have learnt

  • The presence of coupling ca...
  • Removing coupling capacitor...
  • Understanding the equivalen...

Final Test

Revision Tests