Diode: Difference between revisions
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Latest revision as of 11:41, 18 February 2025
Diode is a two-terminal electronic component that conducts current primarily in one direction (asymmetric conductance); it has low (ideally zero) resistance in one direction, and high (ideally infinite) resistance in the other. A diode vacuum tube or thermionic diode is a vacuum tube with two electrodes, a heated cathode and a plate, in which electrons can flow in only one direction, from cathode to plate.
History[edit]
The first types of diode, the vacuum tube (thermionic) diodes, were invented in 1904 by John Ambrose Fleming, who had been provided with the only sample of a thermionic valve made by Thomas Edison.
Types of Diodes[edit]
There are several types of diodes are available for use in electronics design. Some of them include:
- Zener Diode
- Light Emitting Diode (LED)
- Photodiode
- Laser Diode
- Schottky Diode
- Varactor Diode
- Avalanche Diode
- Silicon Controlled Rectifier (SCR)
- PIN Diode
Applications[edit]
Diodes have many applications across a wide range of electronic systems and circuits. Some of the main applications of diodes include:
- Rectifier
- Voltage Multiplier
- Voltage Regulator
- Switch
- Clipping Circuit
- Clamping Circuit
- Protection Devices
- Logic Gates
- Radio Demodulation
See Also[edit]
References[edit]
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