Electronics System 2 – code: 4868.29

4868.29
4868.29b
4868.29c

Electronics System 2

Code: 4868.29

An advanced electronics system for circuit projects, analysis and circuit testing

Electronics System 2 consists of a set of components mounted in handy to use plug-in “blocks” with two or four plug sockets.

Together with our Electronics System 1, you can perform many advanced experiments. The system allows the student to quickly setup and assemble circuits by simply plugging each electrical circuit “blocks” into the lab circuit board. Using our System 2 upgrade, you take students from the basic properties of transistors right through to practical applications of electronic amplifiers.

Specifications
Size: 50x45x15 cm
Weight: 4 kg
Packing: external suitcase in aluminium, internal foam to prevent accidental shock.

Equipment Needed
Electronics System 1 (code 4868.19)
Power supply 1.5 A AC/DC (code 2407.70)

Equipment Suggested
RED Voltage & Current Sensor (code 4840.16)
Tripod Stand (code 4830.46)
Digital Multimeter (code 2275.10)

MAIN COMPONENTS

  • Microphone
  • Loudspeaker
  • Bridge rectifier
  • Signal transistor NPN
  • Power transistor NPN
  • Capacitor
  • Resistors
  • Bridging plugs
  • Plugs, 90°
  • Potentiometer

EXPERIMENTS DETAILED IN THE MANUAL

  • The bridge rectifier
  • The voltage follower
  • The common emitter amplifier
  • The common base amplifier
  • The common collector amplifier
  • The current mirror amplifier
  • The audio amplifier

LAWS AND PRINCIPLES INVESTIGATED

  • Investigating the diode’s physical behaviour in a circuit
  • Looking at the transistor’s physical behaviour
  • Polarization within a circuit
  • Stability of a transistor
  • Experiments looking at the amplification in a circuit
EXAMPLE OF USE: Audio amplifier

How to design a basic amplifier.

With Electronics System 2 it is possible to design a basic audio amplifier. This is a simple circuit that will boost the input audio signal then generating an output signal by means of a speaker.
The circuit is composed of two transistors, one being the driver, the other being the power transistor. The input audio signal, generated by a microphone, is boosted by the circuit and is picked up at the output by means of a speaker. The circuit provides the student with a good way to observe the practical behaviour of an amplifier.

Audio amplifier circuit setup

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