Friday, January 2, 2009

Active & Passive Components

Active Components


ACTIVE components increase the power of a signal and must be supplied with the signal and a source of power.

  • BJT Transistor
  • FET Transistor
  • Operational Amplifier
  • Logic Gates


Passive Components

PASSIVE components do not increase the power of a signal. They often cause power to be lost. Some can increase the voltage at the expense of current, so overall there is a loss of power.

  • Resistor
  • Capacitor
  • Inductor
  • Diode

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