Transistors

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to extract more current.

B (base), C (collector) & E (emitter).

* This diagram shows pipe work with three openings. The reservoir of water at C is the supply voltage which is prevented from getting though to E by a plunger. If water is poured into B, it pushes the plunge up, letting lots of water flow from C to E. If even more water is poured into B, the plunger moves higher, and the flow of water from C to E increases

* The image from satcure-focus.com [HYPERLINK: http://www.satcure-focus.com/tutor/page4.htm]

Material properties of a transistor

left top-on the left is an image of a commonly known' FET' transistor. The gate represents the base and source is the collector and the drain is the emitter. The transistor is made up of silicon layers with different kinds of doping; the current flowing from the source to the drain is controlled with the electrical charge of the gate which is manufactured of a conductive material (Polysilicon) for the gate to function ...

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going through an electrical circuit. The common materials used in the transistor silicon, germanium, and gallium arsenide. Silicon has low electron mobility than other transistor materials but is more commonly used because its inexpensive & it can also operate at higher temperatures than majority of the other materials. Gallium arsenide is often used for transistors that work in high frequency environments due to their electron mobility. Due to the way the materials have been manipulated in transistors, it fully allows transistors to become one of the most useful semiconductors created.

* Transistors can work as an amplifier it consumes small amounts of electrical current at one end ...

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