Justify that JFET can be used as a Voltage Variable Resistor

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written 9.0 years ago by

krrish • 360

modified 3.8 years ago by

sagarkolekar ★ 11k

electronic circuits and communication

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written 9.0 years ago by

krrish • 360

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FET is a device that is usually operated in the constant-current portion of its output characteristics. But if it is operated on the region prior to pinch-off (that is where VDS is small, say below 100 mV), it will behave as a voltage-variable resistor (WE). It is due to the …

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