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Envelope detector references on wikipedia


Envelope_detector
An envelope detector is an electronic circuit that takes a high-frequency signal as input, and provides an output which is the "envelope" of the original signal. The capacitor in the circuit stores up charge on the rising edge, and releases it slowly through the resistor when the signal falls. The diode in series rectifies the incoming signal, allowing current flow only when the positive input terminal is at a higher potential than the negative input terminal.

Domain Referenced Description
Iowa State University Iastate.eduIowa State University

The University of Rhode Island Uri.eduThe University of Rhode Island