diff --git a/Electronics/Digital_Circuits/Four_bit_adder.md b/Electronics/Digital_Circuits/Four_bit_adder.md new file mode 100644 index 0000000..e69de29 diff --git a/Electronics/Digital_Circuits/Half_adder_and_full_adder.md b/Electronics/Digital_Circuits/Half_adder_and_full_adder.md index fa13907..28f095b 100644 --- a/Electronics/Digital_Circuits/Half_adder_and_full_adder.md +++ b/Electronics/Digital_Circuits/Half_adder_and_full_adder.md @@ -1,5 +1,6 @@ --- categories: + - Hardware - Electronics tags: [logic-gates, binary] --- diff --git a/Electronics/Digital_Circuits/Transistors.md b/Electronics/Digital_Circuits/Transistors.md index 63e2d45..1b4367f 100644 --- a/Electronics/Digital_Circuits/Transistors.md +++ b/Electronics/Digital_Circuits/Transistors.md @@ -47,7 +47,9 @@ The diagrams below show a transistor being used in a circuit to create 'on' and - $V^{in}$ is the voltage that electrically controls the switch-as-transistor - $V^{out}$ is the voltage we want to control: it will be high when the transistor is in the 'on' state and low otherwise - $V^{cc}$ stands for "common collector" and is the positive supply voltage appliced to the collector terminal + 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 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".