release time:2022-03-17Author source:SlkorBrowse:644
There are many types of diodes, some are rectifying, some are luminescent, and some are color-changing diodes with light-emitting diodes, which look very beautiful and are widely used in many store applications. The role of a diode in each circuit is different, but its characteristics are also different. As a diode that only allows flow in one direction, this unidirectional conduction feature is still very powerful.
How can we know that this electronic component is a diode in the circuit? In fact, the method is very simple, because most people can recognize the resistance, but such a diode mainly has two pins, and can pass through the diode The color can tell which pin is positive and which pin is negative. After all, for diodes, it has only one feature of unidirectional conduction, and has no amplification effect, so the distinction between diodes and triodes is still very simple. For the triode, it mainly has a magnifying effect on the current, but this change is mainly manifested in the analog quantity. In the task, we will find that it is basically used, so the application of this kind of semiconductor device is really very wide, not only the voltage regulator circuit but also the rectifier circuit and the step-down circuit will be used.
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