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Transistor
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===Usage of MOSFETs and BJTs=== The [[MOSFET]] is by far the most widely used transistor for both [[digital circuit]]s as well as [[analog circuit]]s,<ref>{{cite web |title=MOSFET DIFFERENTIAL AMPLIFIER |url=http://sites.bu.edu/engcourses/files/2016/08/mosfet-differential-amplifier.pdf |website=[[Boston University]] |access-date=August 10, 2019}}</ref> accounting for 99.9% of all transistors in the world.<ref name="computerhistory2018"/> The [[bipolar junction transistor]] (BJT) was previously the most commonly used transistor during the 1950s to 1960s. Even after MOSFETs became widely available in the 1970s, the BJT remained the transistor of choice for many analog circuits such as amplifiers because of their greater linearity, up until MOSFET devices (such as [[power MOSFET]]s, [[LDMOS]] and [[RF CMOS]]) replaced them for most [[power electronic]] applications in the 1980s. In [[integrated circuit]]s, the desirable properties of MOSFETs allowed them to capture nearly all market share for digital circuits in the 1970s. Discrete MOSFETs (typically power MOSFETs) can be applied in transistor applications, including analog circuits, voltage regulators, amplifiers, power transmitters, and motor drivers.
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