Programmable unijunction transistor: Difference between revisions

Revision as of 11:50, 1 June 2018

Revision as of 11:50, 1 June 2018

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|type = [[Passivity (engineering)|Passive]]

|working_principle =

|invented = [[General Electric]]<ref name="electroschematics.com">https://www.electroschematics.com/6904/programmable-unijunction-transistor-put-flasher-circuit/</ref>

|first_produced =

|symbol = [[Image:PUT symbol.png|120px]]

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}}

[[File:UJT caratteristica.png|thumb|Graph of PUT characteristic curve, similar to UJT]]

'''Programmable unijunction transistor (PUT)''' is a three-lead [[Electronics|electronic]] [[semiconductor]] device with which is similar in characteristic to [[unijunction transistor]] except that it is [[program (computer)|programmable]].<ref>{{cite web|url=https://www.daenotes.com/electronics/industrial-electronics/put-programmable-unijunction-transistor|title=PUT - Programmable Unijunction Transistor - Working, Construction, Biasing - D&E notes|website=www.daenotes.com}}</ref>

==Construction==

In construction, Programmable unijunction transistor is similar to [[Silicon controlled rectifier]]. It consists of four layers, two p-type layers and two n-type layers in equal proportion.<ref>https://www. name="electroschematics.com"/6904/programmable-unijunction-transistor-put-flasher-circuit/</ref>

==Applications==