In this type of MOSFET, the source and drain are highly doped with a p-type material and they have very lightly doped n-type substrate. In the n-type channel, the transistor conductivity is based on their majority charge concentrations that are known as electrons. The presence of a p-type channel makes the transistor conduction possible due to its majority charge carriers referred to as holes. MOSFET working is highly dependent on the channel present in between the terminals. The voltage that is applied between the gate and the source terminal upon which the device turns on or off is called threshold voltage and it is also referred to as the gate voltage. The working of these MOSFETs depends upon the conduction of the charges through the channels based on the gate-source voltage. The Gate terminal which is a metal piece is insulated by material like silicon dioxide(Si02). What is MOSFET?Ī FET that is designed with the gate terminal being insulted from the substrate which is either the p-type or n-type material is called as Metal Oxide Semiconductor Field Effect Transistor. Based on the variation at the depletion region width and the flow of the majority concentration of the carriers the working of the MOSFET is classified as depletion type and enhancement type. For the circuitry of analog or it be digital this one is the widely preferred transistor. It consists of a source, drain, gate and the substrate of the transistor as its terminals. Because of its fabrication MOSFET’s are available in smaller sizes.

These transistors are widely used under the varieties of the applications relating to the amplification and the switching of the devices.

MOSFET is a metal oxide semiconductor that is under the category of the field-effect transistor (FET).

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