Item No.: SO4204-7B

UniTrain: Electronics and digital technology in vehicles

Digital technology has long been an essential component of motor vehicles. This course provides an introduction to the subject, thus laying the foundation for later understanding of complex interrelationships, such as networked systems.


  • 1 Experiment card with diode circuits (Si, Ge and Zener diodes)

  • 1 Experiment card with transistors for building various circuit configurations (common emitter, common collector, with or without feedback)

  • 1 Experiment card with logic gates (NOT, AND, OR, NAND, NOR, EXOR, EXNOR) and a sequence of gates

  • 1 Experiment card with JK flip-flop

  • Labsoft browser and course software


Course contents:

  • Introduction to common designs ad properties of diodes

  • Identifying typical diode applications

  • Determining the valve and rectifier actions of diodes

  • Recording static and dynamic characteristics for various diodes

  • Determining diode parameters by measurement

  • Investigation of limiting circuits using Zener diodes (with and without load)

  • Introduction to basic transistor circuits

  • Design and investigation of a transistor switch

  • Experiment to set the operating point of a transistor

  • Measurement of gain and input/output resistances in common emitter and common collector circuits

  • Investigating the effect of resistive and capacitive feedback in a common emitter circuit

  • Introduction to basic logic circuits

  • Introduction to truth tables and symbols, logic equations and timing diagrams for each of the basic gates

  • Experimental derivation of Boolean functions and laws

  • Design of basic logic circuits using NAND gates and NOR-gates

  • Minimisation of logic circuits with the aid of Karnaugh maps with experimental testing

  • Introduction to the principle of a flip-flop

  • Investigating the operation of a JK flip flop by measurement (static and dynamic input signal/single-pulse operation)

  • Investigation of a counter circuit

  • Fault simulation (16 simulated faults activated by relay)

  • Course duration 9.5 h approx. (fault finding 2.5 h approx.)