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Feedback 53-230 Modulation and Coding Workboard

The Feedback range of Telecommunications training equipment has been designed to provide a modern, efficient approach to training the engineers and technicians working in this field.


  • Suitable for both technician and undergraduate teaching
  • Comprehensive set of Laboratory Assignments
  • Covers modern modulation principles and practice
  • Integrated hardware and software environment
  • On-screen background, theory and practical instructions
  • Software provides embedded instrumentation including a Constellation meter
  • No costly additional instrumentation required

Modulation and Coding workboard 53-230 is a fully-featured, complete, laboratory course covering the principles of operation and the practical implementation of modern modulation systems required for both analogue and digital communication systems. The close integration of the hardware workboard with computer-based instruction and instrumentation software provides the student with a rich learning environment and the tutor with a cost-effective solution to this field of telecommunications teaching. Practicals are configured by patching together circuit blocks, which are shown step-by-step in the software. The workboard connects to a personal computer via a USB Real-time Access Terminal (92-200 RAT) which is a fast Analogue-to-Digital converter, sampling signals on the workboard at rates from 10 to 100MHz, as required. The Terminal also provides all the necessary power supplies for the workboard.

Curriculum Coverage
  • Signals in the Time and Frequency Domains
  • Sampling and Time Division Multiplexing
  • Amplitude Modulation
  • AM with Suppressed Carrier
  • SSB Generation with an IQ Modulator
  • Amplitude Shift Keying (ASK)
  • Frequency Modulation
  • Frequency Modulation with an IQ Modulator
  • Frequency Shift Keying (FSK)
  • Phase Modulation
  • Phase Shift Keying (FSK)
  • Multi-state Phase Shift Keying
  • Quadrature Amplitude Modulation (QAM)
  • Uncoded Binary Data Formats
  • Bi-phase Data Format
  • Alternate Mark Inversion
  • Word Synchronisation

    Additional pictures

    Feedback 53-004 Analogue & Digital Telecommunications Workstation

    53-210 Amplifiers and Oscillators Workboard

    53-220 Tuned Circuits and Filters

    Instruments Techno Test inc.

    Instruments Techno Test inc.
    2345, Michelin street, #100
    Laval, Qc
    H7L 5B9

    Téléphone : (450) 681-5777
    Télécopieur : (450) 681-3773

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