COM4LAB: Digital Communication Technology

COM4LAB: Digital Communication Technology
COM4LAB: Digital Communication Technology


The course Digital Communication Technology is a practical course on digital signal processing. Attention is paid to the realisation and function of fibre optic transmission systems with emphasis on applications of PCM technology, for example the transmission of voice and signals with real telephones, sound cards and CD players.

Learning objectives

  • Learning physical basic principles
  • Knowledge of various transmission methods


The course covers the following topics:

  • Characteristics of pulse carriers
  • Generation of PAM
  • PAM (natural)
  • PAM (S&H)
  • PAM spectrum
  • Over sampling / under sampling
  • Aliasing
  • Shannon theorem
  • Pulse code modulation (PCM)
  • Quantisation linear & non-linear
  • Compression / expansion
  • Code errors
  • Time division multiplexing (TDM)
  • Sychronisation
  • Quantisation noise
  • Difference pulse code modulation (DPCM)
  • Optical signal transmission
  • Signal transmission by wire (coaxial line - two-wire line)
  • Simplex / duplex communication

Components of equipment sets

1 7007301  4  COM3LAB Course: Digital Communication Technology - COM4LAB ready LD
1 70000CBT DVD: COM3LAB Software LD
1 70000-00 COM4LAB Master Unit LD
1 7007302 COM3LAB: Digital Communication Technology Accessories LD
1 70000-11 USB-C Charger 45 W Europlug (Type C) LD
0 Alternatively USB-C charger with UK-plug or US-plug
1 70000-22 COM4LAB Set of Safety Leads, 2 mm, 24 pcs LD
Additionally required
0 PC with Windows 7/8/10/11 64 Bit Edition and one free USB interface
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