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Diode junctions on transistors, test circuit with light-emitting diodes

Diode junctions on transistors, test circuit with light-emitting diodes

LP4.1.4.1

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Description
Components of equipment sets

Description

In this experiment, the students study the behaviour of an NPN and a PNP transistor with different polarities at the base and emitter, or base and collector. The students realise that the respective paths behave like diodes and create an equivalent circuit for the two transistors.

Components of equipment sets

1	576 81 4	Plug-in board safety socket, 20/10
1	501 48 4	Bridging plugs STE 2/19, set of 10
1	500 621 4	Safety experiment cable, 50 cm, red
1	500 622 4	Safety experiment cable, 50 cm, blue
2	579 05 8	Lamp holder E10, lateral, STE 2/19
1	578 67 4	Transistor BD 137, NPN, e.b., STE 4/50
1	578 68 4	Transistor BD 138, PNP, e.b., STE 4/50
1	521 488	AC/DC power supply 0...12 V/3 A
1	505 08 8	Bulbs 12 V/0,25 A/3 W, E10, set of 10

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Diode junctions on transistors, test circuit with light-emitting diodes

Description

Components of equipment sets

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