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Definition of "FET" |
[see field effect transistor]. / Field Effect Transistor, facility engineer team / The field effect transistor is a transistor that uses an electric field to control the shape and hence the conductivity of a channel of one type of charge carrier in a semiconductor material. FETs are also known as unipolar transistors as they involve single-carrier-type operation. The concept of the FET predates the bipolar junction transistor (BJT) which involves two types of carriers (electrons and holes), though it was not physically implemented until after BJTs due to the limitations of semiconductor materials and the relative ease of manufacturing BJTs compared to FETs at the time. / A field-effect transistor is a type of transistor commonly used for weak-signal amplification for example, for amplifying wireless signals. The device can amplify analog or digital signals. It can also switch DC or function as an oscillator. / Fixed Wireless Access is fixed wireless is the operation of wireless devices or systems used to connect two fixed locations with a radio or other wireless link, such as laser bridge.Usually, fixed wireless is part of a wireless LAN infrastructure. The purpose of a fixed wireless link is to enable data communications between the two sites or buildings. Fixed wireless data links are often a cost-effective alternative to leasing fiber or installing cables between the buildings. / See field-effect transistor. |
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