Cut-off, active and saturation
Electrical Technology · Grade 10 · about 40 minutes
The three BJT regions: cut-off for switch off, saturation for switch on, and the active region for amplifying.
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Other lessons in this sub-strand
- The transistor
- The bipolar junction transistor
- NPN and PNP structure
- Base, collector and emitter
- Transistor circuit symbols
- Biasing the two junctions
- Current gain (beta)
- Cut-off, active and saturation
- The transistor as a switch
- The transistor as an amplifier
- Voltage-current characteristics
- Selecting a transistor
- Testing a transistor
- Building a transistor switch
- Building a simple amplifier
- Why transistors matter