What is IR photodiode?

An IR sensor is basically a device consisting of a pair of an IR LED and a photodiode, collectively referred to as photocouplers or optocouplers. The IR LED emits IR…

How does avalanche photodiode work?

An avalanche diode is a special type of semiconductor device designed to operate in the reverse breakdown mode. Avalanche diodes are used as over pressure valves (a type of valve…

How does photodiode detect light?

LEDs can also be used as photodiodes because they can emit and sense light from their junction. All PN junctions are photosensitive and can be used in a photoconductive, undistorted…

What is meant by avalanche photodiode?

An avalanche photodiode (APD) is a highly sensitive electronic semiconductor device that utilizes the photoelectric effect to convert light into electricity. High sensitivity and low noise, Fast reaction and Low-light…

What are the types of photodiode?

There are 4 types of photodiode Avalanche Photodiode, PIN Photodiode, Schottky Photodiode and PN photodiode. Avalanche Photodiode: Avalanche photodiode technology is used in areas of low light due to its high gain. In contrast,…

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