Working of transistor

The name of this electronic device is derived from it’s fundamental action transfer resistor.

Working of transistor

There are four possible ways of biasing the two P-N junctions (emitter junction and collector junction) of transistor.

• Active mode: Also known as linear mode operation.
• Saturation mode: Maximum collector current flows and transistor acts as a closed switch from collector to emitter terminals.
• Cut-off mode: Denotes operation like an open switch where only leakage current flows.
• Inverse mode: The emitter and collector are inter changed.

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