The development of computer engineering and the increasing
digitalisation in the transmitting and processing of information
are accompanied by an increasing use of transistors for switching
functions.
This experiment is designed to demonstrate the basic principles
of how a transistor functions as an electronic switch. We recommend
that the differences between mechanical and electronic switches,
and the benefits of electronic switches, be worked out with the
students. The benefits of electronic switches include the low
control power required, the absence of contacts (which tend to wear
out in time), switching times so rapid that they are in the
nanosecond range, and the small size which enables them to be
fitted into integrated circuits.
Investigate how the two switching conditions of a switch can be
realised with a transistor.
| Materiallist (Excerpt) |
Product |
Amount |
|
Power supply 0...12 V DC/ 6 V, 12 V AC, 230 V
|
13505-93
|
1
|
|
Multi-range meter, analogue
|
07028-01
|
2
|
|
Potentiometer module 250 Ohm, SB
|
05623-25
|
1
|
|
Socket module for incandescent lamp E10, SB
|
05604-00
|
1
|
|
Interrupted connector module, SB
|
05601-04
|
1
|
|
NPN transistor module BC337, SB
|
05656-00
|
1
|
|
Junction module, SB
|
05601-10
|
2
|
|
Straight connector module with socket, SB
|
05601-11
|
2
|
|
Angled connector module with socket, SB
|
05601-12
|
2
|
|
Resistor module 1 kOhm, SB
|
05614-10
|
1
|
|
Straight connector module, SB
|
05601-01
|
4
|
|
T-shaped connector module, SB
|
05601-03
|
2
|
|
Filament lamps 4V/0.04A, E10, 10
|
06154-03
|
1
|
|
Connecting cord, 32 A, 500 mm, red
|
07361-01
|
2
|
|
Connecting cord, 32 A, 500 mm, blue
|
07361-04
|
2
|
|
Connecting cord, 32 A, 250 mm, red
|
07360-01
|
1
|
|
Connecting cord, 32 A, 250 mm, blue
|
07360-04
|
1
|
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