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A diode circuit makes use of the diode’s property of allowing current to flow in only one direction, from anode to cathode, while blocking it in reverse. The simplest application is rectification, where diodes convert alternating current (AC) into direct current (DC). In a half-wave rectifier, a single diode passes only one half of the AC cycle, while in a full-wave rectifier, multiple diodes provide smoother DC output. Diode circuits are also used for voltage regulation, signal clipping, and protection against reverse polarity. Their one-way conduction and fast response make them essential in power supplies and electronic signal processing.
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