Recording the characteristics of a phototransistor connected as a photodiode

VP4.1.7.1
Recording the characteristics of a phototransistor connected as a photodiode
Recording the characteristics of a phototransistor connected as a photodiode

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Description

The subject of the experiment P4.1.7.1 is a phototransistor without base terminal connection used as a photodiode. The current-voltage characteristics are displayed on an oscilloscope for the unilluminated, weakly illuminated and fully illuminated states. It is revealed that the characteristic of the fully illuminated photodiode is comparable with that of a Z-diode, while no conducting-state behavior can be observed in the unilluminated state.

Components of equipment sets

1 57681  8  Plug-in board safety socket, 20/10 LD
1 57861  8  Phototransistor, lateral, STE 2/19 LD
1 57732  8  Resistor 100 Ohm, STE 2/19 LD
1 57756  8  Resistor 10 kOhm, STE 2/19 LD
1 57905  8  Lamp holder E10, lateral, STE 2/19 LD
1 50508  4  Bulbs, 12 V/3 W, E10, set of 10 LD
1 50148  4  Bridging plugs STE 2/19, set of 10 LD
1 521487 AC/DC power supply PRO 0...12 V/3 A LD
1 575302  8  Oscilloscope 30 MHz, digital, PT1265 LD
2 57524 Screened cable, BNC/4 mm LD
2 500621  4  Safety connecting lead 50 cm, red LD
2 500622  4  Safety connecting lead 50 cm, blue LD
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