A differentiator is usually not a part of a control system because it
A. Reduces damping
B. Reduces the gain margin
C. Increases input noise
D. Increases error
Answer:C
A differentiator is usually not a part of a control system because it
A. Reduces damping B. Reduces the gain margin C. Increases input noise D. Increases error
Explanation: A differentiator is the phase lead compensator which increases the speed of response and bandwidth and manages the transient response of the system.