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Types of Field-Effect Transistors
The channel of a FET (field-effect transistor) is doped to produce either an N-type semiconductor or a P-type semiconductor. The drain and source might be doped of opposite type to the channel, in case of depletion mode FETs, or doped of identical type to the channel like in enhancement mode FETs. Field-effect transistors are as well distinguished by the method of insulation among the channel and gate. Types of FETs are:
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