Analog Electronics
CMOS devices use

  DMOS devices.
  bipolar transistors .
  class A operation.
  complementary E - MOSFETs.

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Analog Electronics
Pinch-off voltage in a JFET is

 the gate to source voltage that gives unity drain current.
 the gate to source voltage that gives zero drain current.
 the drain voltage that gives zero drain current.
 the drain voltage that gives infinite drain current.

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