Classification of amplifiers

The amplifiers are may be classified as under,

  1. According to input signal
  • Small signal amplifier.
  • Large signal amplifier.
  1. According to coupling methods
  1. According to number of stages
  • Single stage amplifier.
  • Multi stage amplifier.
  1. According to output
  • Power amplifier.
  • Voltage amplifier.
  1. According to frequency range
  • Microwave frequency amplifier.
  • Ultra high frequency (UHF) amplifier.
  • Radio frequency (RF) amplifier.
  • Directly coupled (D.C.) amplifier.
  • Audio frequency (AF) amplifier.
  1. According to transistor configuration
  • Common emitter (CE) amplifier.
  • Common base (CB) amplifier.
  • Common collector (CC) amplifier.
  1. According to operating point
  • Class A amplifier.
  • Class B amplifier.
  • Class C amplifier.
  • Class AB amplifier

amplifier

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