Regenerative feedback implies feedback with

Regenerative feedback implies feedback with

Right Answer is:

Positive sign

SOLUTION

  • Feedback can be of two types: negative feedback and positive feedback.
  • When the feedback signal diminishes the magnitude of the input signal, the feedback is called negative, inverse, or degenerative feedback. Negative feedback reduces the overall gain of the amplifier.
  • If the feedback signal enhances the magnitude of the input signal, the feedback is referred to as positive, direct, or regenerative feedback.
  • The overall gain of the amplifier is increased by positive feedback.
  • Regenerative feedback implies feedback with a Positive sign.

Positive feedback causes instability in the gain of the amplifier and distorts the input signal. It is used in narrowband amplifiers and radio receivers because it increases the signal strength.

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