The field-effect transistor (FET) is a voltage controlled device where gate voltage controls drain current. There are two types of FETs – the JFET and t he MOSFET.
JFETs have a conductive channel with a source and drain connection on the ends. Channel current is controlled by the gate voltage.
The gate is always operated with reverse bias on the pn junction formed between the gate and the channel. As the reverse bias is increased, the channel current decreases.
JFETs have a conductive channel with a source and drain connection on the ends. Channel current is controlled by the gate voltage.
The gate is always operated with reverse bias on the pn junction formed between the gate and the channel. As the reverse bias is increased, the channel current decreases.
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