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 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 is Zener breakdown?

The Zener diode is a PN junction diode that was specially developed for operation in the blocking mode. In the forward bias mode, it acts as a normal diode. It has a…

Can waves be accelerated?

Yes,  wave can accelerate  . The electron matter  wave  in the atom is an example of a  wave  that keeps changing its direction. The steady state condition of quantum mechanics, however, requires that such a  wave forms eigenmodes of the…

What is motor protection?

Motor protection is the isolation of the motor from the main supply in the event of an abnormal condition in the operating state of an motor (i.e. when the motor…

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