Even ICs are made up of 1000s of closely knit transistors which constitute the features of the particular chip. If there wouldn’t be transistors there wouldn’t be any ICs or any other semiconductor component. Transistors (BJTs) are the building blocks of all semiconductor devices found today. A low power signal across Gate/Source terminal allows the transistor to switch a comparatively high power load across its collector terminal.įor the sake of simplicity we will discuss BJTs here, since their charcaeritics is less complex compared to MOSFETs. A low power signal across base/emitter terminal allows the transistor to switch a comparatively high power load across its collector terminal.įor MOSFETs these are designated as Gate, Source, Drain. Transistors are basically of two types: bipolar junction transistor (BJT), and metal–oxide–semiconductor field-effect transistor ( MOSFET)įor a BJT, the 3 terminals are designated as base, emitter, collector. Transistors are 3 terminal semiconductor devices which is able to conduct relatively high power across their two terminals, in response to a significantly low power input at the third terminal.
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