Envelope detector

Rarity: Common

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Notion

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Science and technology

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What Wikipedia says

An envelope detector (sometimes called a peak detector) is an electronic circuit that takes a (relatively) high-frequency signal as input and outputs the envelope of the original signal.

Excerpt from the Wikipedia article “Envelope detector”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: No machine-readable author provided. Julien1311 assumed (based on copyright claims)., CC BY-SA 3.0, via Wikimedia Commons.