1- Introduction The GEMMA (Guide for the Study of Marching and Stopping Modes) is a graphic guide developed by the
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A logic circuit is said to be “combinational” when no output is connected to an input, ie when the circuit
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Boolean algebra makes it possible to compare logical states. It is made up of three basic logical operators: AND, OR
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DTL = Diode Transistor LogicThe first "advanced" logic circuits (1959), based on diodes and transitors. Take as an example the realization of the NAND
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TTL = Transistor Transistor LogicThe king element in this type of circuit is the bipolar transistor. The diodes present only provide a protection
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These circuits are made with diodes or bipolar transistors. Let us take as an example the realization of the 3
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These circuits are formed by NMOS and PMOS transistors. Realization of a NAND gate: C-MOS logic integrated circuits Quick scan:
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This is the basic element. It all started with her: she was the key element of the very first logic
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Also called BJT transistor, we can see it as a switch and a current amplifier. There are 2 types: NPN
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The JFET transistor Also called a field-effect junction transistor, this transistor is controllable in voltage (and not in current like
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