A Comparison Study of the Optical Measurement Sensitivity of the Phototransistor and Photodiode

Year 2018, Volume: 10 Issue: 1, 78 - 84, 29.01.2017

Mehmet Ali Özçelik

https://doi.org/10.29137/umagd.419662

Cited By: 1

Abstract

Depending on the amount of light they receive, the
light-sensitive circuit elements generate electrical signals such as current,
voltage, and resistance. Thus, these sensors are widely used in light
measurement systems, light control systems, and opto-couplers. In this study
underhand, the electrical values produced by the application of increasing
light on the photodiodes and phototransistors are analysed. According to values
obtained, the 9.44 standard deviation shows that photodiode has a better
performance than phototransistor in terms of light sensitivity.

Keywords

Photodiode, Phototransistor, Light Intensity, Lux-meter, Photo-current

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