What is the difference between MOSFET and FET?

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Difference between mosfet and fet

Mosfets are one type of fets. Fets in general are field effect transistors, which means that they are controlled by an electrostatic field induced by the applied voltage between the gate and its source terminals.

In contrast to this, there are bipolar transistors that require a minority carrying current to the base to modulate the majority carrier flow between the emitter and the collector. Fets are unipolar. they are independent of the currents of both types of carriers. (Electrons and holes, or more precisely electrons conduction bands in low concentration electrons and valence electrons in the abundance of filling holes in low concentrations.)

Mosfet fet difference

Mos in mosfet describes the physical structure of the device. sort of. Historically, they consist of three layers: metal (m) above, semiconductor (s) at the bottom, and silicon-dioxide (o) in between. by applying a voltage to the metal gate, a static electric field is produced on the surface of a semiconductor affecting the current flowing between the source and the exhaust terminal.

You can also find the term misfet where I refer to a generic insulator that does not have to be oxide. it could be a nitride, or an oxy-nitride sandwich, or whatever works. but, regardless of some changes to electrical parameters, these devices are still basically the same. after the first hitoris mosfes, the poly-crystalline semiconductor becomes the non-metallic gate material for manufacturingability reasons. again, the metal back. all these are called MOSFETs.

fet mosfet

There are also other structures that apply fets. junction fets (jfets) do not require an insulating layer. gate isolation is implemented by p-n reverse biased intersection. again another type of fet is mesfet with reverse schottky-junction (metal-semiconductor without intermediate isolator) performs the gate isolation.

MOSFET is a subclass of fet. fet is field effect transistor. this could be a mosfet, mesfet, misfet, jfet or one of many others. a fet works based on the principle of a gate terminal that changes the resistance between two other terminals (source and channel) devices based on changes in the field beneath the gate.

Difference between mosfet and fet

Mosfet is a metal oxide field effect transistor. mos describes the gate configuration. this consists of metal gates and oxide insulators on top of semiconductors. The MOSFET is further broken down into NMOS and PMOS to indicate the type of carrier current in the channel, the area under the gate, when the transistor performs.

Mesfet is a metal semiconductor and uses only schottky barrier gates. jfet is a connection fetus and uses changes to the depletion layer of the pn junction to modulate the current. Everyone has a gate and a source and a drain. all are planar devices and rely on parallel horizontal currents parallel to the semiconductor surface.

a bipolar or bjt transistor, on the other hand, depends on a vertical current flow perpendicular to the semiconductor surface.

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