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Diodes

Diodes are semiconductor devices, typically made from silicon or germanium, that are used to control the flow of electrical current. These components have two terminals—an anode and a cathode—with the anode being positively charged and the cathode being negatively charged. A diode will allow current to pass through with low resistance only in one direction (forward bias) while blocking or greatly reducing the amount of current that can flow back in reverse (reverse bias). This uni-directionality is essential for many applications, such as rectification and voltage regulation.

Diodes can also be used to detect changes in voltage, which can then be amplified through circuits. Additionally, diodes can be combined with other components like resistors and capacitors to create digital logic circuits such as OR gates, AND gates, and XOR gates to perform complex logical operations and data processing.

Diodes

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