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Physitech Group
Digital Communication Trainers

PHY-157

Pulse Width Modulation and Demodulation Trainer

Built-in fixed power supply of +12V,-12V

Specifications

Product Features

  • Built-in fixed power supply of +12V,-12V
  • 555 IC used as clock generator with fixed frequency of 20KHz
  • LM324 IC used as AF generator with fixed frequency of 500Hz and variable amplitude
  • 555 IC used as modulator, op-amp 324 IC used as demodulator