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thomasabishop 2023-01-19 07:50:16 +00:00
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Electronics_and_Hardware/Digital_circuits/Transistors.md
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@ -47,7 +47,7 @@ The diagrams below show a transistor being used in a circuit to create 'on' and
- $V^{cc}$ stands for "common collector" and is the positive supply voltage appliced to the collector terminal - $V^{cc}$ stands for "common collector" and is the positive supply voltage appliced to the collector terminal
is "on". is "on".
When the voltate at the base is low (in the diagram it is grounded to ensure this) no current flows from the c When the voltage at the base is low (in the diagram it is grounded to ensure this) no current flows from the c
We recall that voltage is the potential difference between two points or terminals in a circuit. High voltage increases the flow of current, low voltage restricts or reduces it. We recall that voltage is the potential difference between two points or terminals in a circuit. High voltage increases the flow of current, low voltage restricts or reduces it.
When the voltage at the base is high a current flows from the collector to the emitter and the transistor is "on". When the voltage at the base is high a current flows from the collector to the emitter and the transistor is "on".