Friday 26 August 2016

transistors - Why JFET is called voltage controlled device while BJT is called current controlled device?


My question is why JFET/FET is called voltage controlled device while BJT is called current controlled as both required voltage to operate properly.In both electric field is produced so why is the difference? Now the question is that current is also generated due to Voltage and still BJT is current controlled and FET voltage controlled.


Any Ideas?





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