EloTrain basic set without board: Electrical engineering/electronics, 4mm

This set consists of 82 pieces 4mm plug-in components and allows for a huge number of experiments to be conducted in the fields of electrical engineering and electronics. The following topics are covered by this component set:  

DC technology

• Assembly of simple circuits
• Use of voltmeters and ammeters.
• Ohm’s law
• Series and parallel connection of resistors
• Voltage dividers with and without loads
• Light bulb characteristics
• Voltage dependent resistors (VDRs)
• Negative temperature coefficient thermistors (NTCs)
• Positive temperature coefficient thermistors (PTCs)
• Light-dependent resistors (LDRs)
• Capacitors in DC circuits
• Relay circuits

AC and three-phase technology

• Generating AC
• Characteristics of AC
• Resistors in AC circuits
• Capacitors in AC circuits
• Series and parallel connections of resistors and capacitors (RC)
• Coils (inductors) in AC circuits
• Series and parallel connections of resistors and inductors (RL)
• Series and parallel connections of resistors, inductors and capacitors (RLC)
• Series and parallel compensation
• Transformers with and without loads
• Three-phase networks
• Star circuit with symmetric/asymmetric loads
• Delta circuit with symmetric/asymmetric loads

Semiconductor components

• Diodes in DC and AC circuits
• Half-wave and bridge rectifiers with smoothing
• Displaying diode characteristics on an oscilloscope
• Light-emitting diodes
• Photodiodes
• Diode-like characteristics of transistor circuits
• Input, output and control characteristics of transistors
• Transistors in common emitter, common collector and common base circuits
• Transistors used as switches
• Transistors used as delay switches
• Characteristics of field effect transistors (FETs)
• FETs used as controllable resistors and switches
• MOSFET characteristic
• Dimmer sensor using a MOSFET
• Characteristics of diacs, thyristors and triacs
• Thyristors used as switches
• Phase control using triacs and diacs

Basic electronic circuits

• Basic amplifier circuits using bipolar transistors
• Basic amplifier circuits using field effect transistors (FETs)
• Two-stage AC amplifier
• Darlington pair amplifier
• Coupled emitter amplifiers
• Phase reversing stages
• Differential amplifiers
• Two-stage DC amplifier with complementary transistors
• Push-pull amplifiers
• Positive and negative feedback
• Square-wave generators
• Threshold switches (Schmitt triggers)
• Astable multivibrators
• Monostable multivibrators
• Bistable multivibrators (flip-flops)
• Saw tooth generators (pulse generators)
• Sine-wave generators with RC and LC elements
• Amplitude modulators and demodulators
• Frequency modulator
• Single-phase and three-phase rectifier circuits
• Voltage multipliers
• Stabilising circuits
• Voltage and current regulators (linear)
• Switched-mode voltage regulators
• DC converters
• Pulse generation using diacs
• Pulse generation using unijunction transistors
• Phase control using thyristors
• Phase control using triacs
• Full-wave control with zero-voltage switch
• DC voltage switch using thyristors
• Using op amps as inverting amplifiers
• Using op amps as non-inverting amplifiers
• Using op amps as differential amplifiers
• Dynamic response of operational amplifiers (op amps) 

4mm plug-in components:

• All components with gold-plated 4-mm contacts
• Contact-protected plugs with plastic sleeves
• Housing made of transparent, highly impact-resistant polycarbonate
• Top featuring scratch-resistant, high-contrast screen print of type and circuit diagram of component
• Easy-to-open housing for repair purposes

Shipment:

• 1 x switch, 1 x push-button, 1 x relay (15 V)
• 1 x light bulb, 15V with E10 socket
• Resistors: 1 x 10 ohm, 2 x 22 ohm, 1 x 33 ohm, 2 x 100 ohm, 1 x 220 ohm, 1 x 330 ohm, 1 x 470 ohm, 1 x 680 ohm, 3 x 1k ohm, 2 x 2.2k ohm, 3 x 4.7k ohm, 3 x 10k ohm, 3 x 22k ohm, 2 x 47k ohm, 2 x 100k ohm, 1 x 1M ohm
• 1 x potentiometer 100 ohm, 1 x potentiometer 1k ohm, 1 x potentiometer 10k ohm
• 1 x NTC, 1 x PTC, 1 x VDR, 1 x LDR
• Capacitors: 1 x 10nF, 1 x 47nF, 2 x 0.1µF, 1 x 0.22µF, 2 x 0.47µF, 2 x 1µF
• Electrolytic capacitors: 2 x 10µF, 1 x 100µF, 1 x 470µF
• coils: 1 x 10mH, 1 x 33mH
• 1 x coil n=300, 2 x coil n=900, 1 set of cut strip-band core
• 1 x LED red, 2x LED green
• 6 x diodes, 1N4007, 1 x germanium diode (AA118)
• 1 x Zener diode 4.7V
• 1 x transistor, BC547, base left, 1 x transistor, BC547, base right
• 1 x transistor, BD237, base left, 1 x transistor, BD237, base right
• 1 x transistor, BD238, base right
• 1 x field-effect transistor J112, 1 x MOSFET BS170
• 1 x diac DB3, 1 x triac MAC97A6, 1 x thyristor MCR100-6
• 1 x unijunction transistor
• 1 x op-amp TL071C
• 1 x speaker 0.25W