Before revision: Circuit design In circuit design, an active load is a circuit component made up of active devices, such as transistors or MOSFET , intended to present a high small-signal impedance yet not requiring a large DC voltage drop, as would occur if a large resistor were used instead.
After revision: Circuit design In circuit design, an active load is a circuit component made up of active devices, such as transistors , intended to present a high small-signal impedance yet not requiring a large DC voltage drop, as would occur if a large resistor were used instead.