Transistor Operation

[youtube]http://www.youtube.com/watch?v=HfKd-Y2SBFA[/youtube]
                            
Transistor Operation

  • A transistor in a circuit will be in one of three conditions
  • Cut off (no collector current), useful for switch operation.
  • In the active region (some collector current, more than a few tenths of a volt above the emitter), useful for amplifier applications
  • In saturation (collector a few tenths of a volt above emitter), large current useful for "switch on" applications.


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