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f-alpha.net » Electronics » Electronics Lab » Glossary » Feedback

Feedback

Feedback circuits in the electronics return a part of the output voltage back into the input via a coupling element...

Illustration feedback.

Doing so two types of feedback can be distinguished...

  • Positive feedback : the feedback voltage adds to the input voltage.
  • Negative feedback: the feedback voltage subtracts from the input voltage.

Typical applications of feedback...

  • Amplifiers
  • Schmitt trigger
  • Multivibrator
  • Flip-Flops

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