The popular question of the diode

Now we come to the popular question of the diode. In other words, a correction of the conversion of alternating current (AC) into direct current (DC). It is a device that allows only one way, the flow of electrons. As we have seen is exactly what a semiconductor diode before. The simplest type of rectifier circuit is the half-wave rectifier. It is only half an AC waveform to the load.

Half-wave rectifier circuit.
For most power applications, half-wave rectification is insufficient for the task. The harmonic content of the output waveform s rectifier is "very broad and therefore to filter difficult. In addition, AC power only for a half load each complete cycle, which means that half of its capacity means unused. Wave rectification is a easy way to to support a reduction of the resistive load. around two-position lamp dimmer switches apply full power to the bulb, which is "full" and then half-wave output adapted to low light. 



 






Half-wave rectifier application: Two level lamp dimmer.

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