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to call a variety of devices that conceptually connect or disconnect signals and communication paths between electrical devices as "switches", analogous to the way mechanical switches connect and disconnect paths for electrons to flow between two conductors.
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switch that uses an electromagnet controlled by a current to operate a mechanical switching mechanism. Other operating principles are also used (for instance,
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arrangement as a switch that works much like a relay, with some advantages and several limitations compared to an electromechanical relay.
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Electronic switches may also consist of complex configurations that are assisted by physical contact, for instance resistive or
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can be treated as switch that conducts significantly only when forward biased and is otherwise effectively disconnected (
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478:(TRIode AC), equivalent to two back-to-back SCRs, is a bidirectional switching device.
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Electronic switches are used in all kinds of common and industrial applications.
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The common feature of all these usages is they refer to devices that control a
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invented in 1971 control power circuits with no moving parts, instead using a
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bipolar junction transistor (BJT) cutoff and saturation regions of operation
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471:(SCR) can be used for high speed switching for power control application.
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between two extremes when switching between their two states of
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559:"What is a Switch? What are the Different Types of Switches?"
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Electronic
Circuits and Systems : Analog and Digital,1e
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can respectively be treated as a closed and open switch.
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whose function is to change their output state between
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or device. Without using moving parts, they are called
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376:metal–oxide–semiconductor field-effect transistor
441:controlled by a current which is received by a
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221:systems used an electromagnetically operated
159:devices because they dramatically change the
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508:reconfigure connections between different
370:The most widely used electronic switch in
252:has since spread to a variety of digital
233:. Thus the term 'switched' is applied to
117:Learn how and when to remove this message
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627:This electronics-related article is a
361:transistor can be operated as a switch
492:(GTO) is a bipolar switching device.
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225:to connect telephone callers; later
207:device to perform switching—often a
55:adding citations to reliable sources
231:electromechanical crossbar switches
155:Electronic switches are considered
631:. You can help Knowledge (XXG) by
237:, and signifies a network that is
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454:insulated-gate bipolar transistor
346:, are called "switching diodes".
243:public switched telephone network
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569:from the original on 2023-01-23
42:needs additional citations for
456:(IGBT) combines advantages of
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485:stands for DIode AC Switch.
469:silicon controlled rectifier
209:silicon-controlled rectifier
402:switching voltage regulator
235:telecommunications networks
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557:Teja, Ravi (2021-05-03).
418:that combine the analog
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447:galvanically-isolated
268:or connect different
229:contain one or more
150:solid state switches
146:electronic component
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678:Electronic circuits
437:uses light from an
424:threshold detection
398:power transistor(s)
227:telephone exchanges
66:"Electronic switch"
18:Electronic switches
497:capacitive sensing
430:-operated switch.
201:solid-state relays
165:electrical circuit
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544:References
378:(MOSFET).
308:conducting
282:of either
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514:computers
449:circuit.
385:uses two
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248:The term
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532:See also
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107:May 2019
374:is the
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179:History
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476:TRIAC
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326:Types
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193:relay
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133:, an
98:JSTOR
84:books
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483:DIAC
460:and
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452:The
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