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Related to Photo diode: phototransistor, Avalanche photodiode


A diode that exhibits sensitivity to light, either by varying its electrical resistance like a photoresistor or by generating a electric potential in the manner of a photoelectric cell.


(Electronics) a semiconductor diode, the conductivity of which is controlled by incident illumination


(ˈfoʊ toʊˌdaɪ oʊd)

a photosensitive semiconductor diode.
References in periodicals archive ?
The scanner features front and back single-line photo diode arrays, (50 ppm simplex and 120 ipm (images per minute) duplex scanning speeds in letter, portrait and 200 dpi binary and JPEG modes, and 100 dpi to 400 dpi resolutions with a 256 level grayscale.
The hardware detected falling objects through the use of a medium area photo diode (41.
The two companies began integrating their wafer-process and volume-production technologies for laser diode chips, photo diode chips, modulators and hybrid-functioned devices into NTT Electronics' production lines at its plant in Ibaraki Prefecture, they said.
Opticis also designs and manufactures a low capacitance PIN photo diode, with the effect of lower packaging costs by allowing a wider margin in PIN-PD alignment, which in turn also improves signal quality and reduces jitter.
But the IT company's main gig is developing artificial intelligence using a ground-breaking photo diode sensor and neural computer system.
In a Combo OPU, this second laser diode needs to be a higher power device to support writing, and the laser driver and photo diode array must be redesigned to support the write function.
A measuring slide, consisting of a camera unit with CCD photo diode lines and specially transmitted illumination, can digitally register up to 2000 measurements per second as the slide travels the length of the part.
Operation of the relay is accomplished through the control circuitry on a photo diode array (PDA) semiconductor chip.
A photo diode in the ABC receiver responds to a signal emitted by the ABC transmitter.
The Optical Link beam with video and stereo audio is emitted by two LEDs, and the infrared signal is converted by a photo diode in the receiver into a video and audio signal for the TV.