The below video shows, how to lay the circuit in the workspace and basic operation of the circuit.Ī transistor in switching applications has a Cut-Off mode and saturated mode operation. Circuit diagram for Transistor as a switch This example explains, how to use a transistor as a switch in Proteus software, to operate a relay using the transistor BC 547. The control signal may be obtained by manual input or may be generated by another block in the circuit. One of the most common use is to drive a relay to switch ON/OFF a load. The basic application of a transistor is operating it as a switch. Various Types of Transistors in Proteus Transistor as a Switch Even though SCR, TRIAC do not fall directly under transistor category, they are also similar to transistors in AC circuits. Mostly BJTs are used for low power and amplifier applications, while MOSFET, IGBT are used for High switching frequency and High power rating loads for example inverters, Home UPS etc. Different types of transistors like BJT, FET, MOSFET and some power electronic semiconductor switches like SCR, TRIAC, IGBT etc.
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