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What are the commonly used diodes and what are their uses?
Commonly used diodes and their applications are listed in Table 1-19.
Table 1-19: Commonly Used Diodes and Their Applications
| Name | Use |
|------------------|--------------------------|
| Rectifier Diode | Converts alternating current (AC) into pulsating direct current (DC) |
| Switching Diode | Controls the flow of current in a circuit, allowing it to turn on or off |
| Zener Diode | Provides voltage regulation, protects against overloads, and is commonly used in power supplies |
| Detector Diode | Detects low-frequency signals that are modulated onto high-frequency electromagnetic waves |
| Varactor Diode | Acts as a variable capacitor in tuning circuits, such as in radio frequency applications |
| LED | Used in digital displays, such as seven-segment displays, for showing numbers or symbols |
| Photodiode | Measures light intensity or functions as a photocell in various electronic systems |
Each type of diode has unique characteristics that make it suitable for specific applications in electronics. Understanding these differences helps engineers choose the right component for their designs. Whether it's for power conversion, signal detection, or lighting, diodes play a vital role in modern electronic circuits. By selecting the appropriate diode, you can ensure efficient and reliable performance in your projects.