Item No.: CO4204-9L

Course Digital modulation methods ASK, FSK, (Q)PSK

Includes:

  • 1 Experiment card with PSK/QPSK modulator
  • 1 Experiment card with PSK/QPSK demodulator
  • 1 Experiment card with ASK modulator/demodulator
  • 1 Experiment card with FSK modulator/demodulator
  • Storage case
  • Labsoft browser and course software

Course contents:

  • Introduction to the principle of ASK modulation and demodulation for transmitting digital signals over analog lines
  • Investigation of the spectrum of an ASK-modulated signal by measurement
  • Investigating the relationship between data transfer rate and the required bandwidth
  • Introduction to the principles of FSK modulation and demodulation for transmitting digital signals over analog lines
  • Identifying advantages of FSK modulation over ASK modulation
  • Investigation of the spectrum of an FSK-modulated signal by measurement
  • Investigation of the relationship between data transfer rate and the required bandwidth
  • Introduction to the operation of a PLL
  • Demodulation of FSK signals using a PLL circuit
  • Introduction to the principles of PSK (DPSK) modulation and demodulation
  • Generation of 2 PSK signals at different baud rates
  • Introduction to the principles of QPSK and DQPSK modulation und demodulation
  • Generation of 4 PSK signals
  • Introduction to generation of dibits
  • Relationship between data rate and baud rate by measurement
  • Measurement of signals at the output of modulators and demodulator (ASK, FSK, (Q)PSK) over time
  • List of advantages and disadvantages for various modulation methods
  • Course duration 2.5 h approx.

 

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