Exam Question
With the aid of a block diagram, briefly describe the effect that negative voltage feedback has on an amplifier and state the advantages resulting from the use of negative feedback (16)
ETO
ETO Exam papers
📅 Oct 2022
Reference Answer
Block Diagram and Effects of Negative Voltage Feedback on an Amplifier:
Effect of Negative Voltage Feedback:
Negative voltage feedback in an amplifier involves feeding a portion of the amplified output back to the input in the opposite phase. This is achieved through a feedback network. The primary effects of negative voltage feedback on an amplifier are as follows:
Stabilization of Gain:
Effect of Negative Voltage Feedback:
Negative voltage feedback in an amplifier involves feeding a portion of the amplified output back to the input in the opposite phase. This is achieved through a feedback network. The primary effects of negative voltage feedback on an amplifier are as follows:
Stabilization of Gain:
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