Radio receiver AM/SSB/FM/Remote control


Board MCM25/EV studies an AM, DSB, SSB (LSB and USB), FM receiver and a 4-channel radio control receiver. It is part of the Interactive Practical Electronics System IPES and works in both standard mode (using switches and consulting the handbook) or computerized mode. In this last case, the software version of the handbook inserts automatically circuit variations and faults, enabling the development of lessons even without teacher’s assistance. Pre-assembled electronic components divided into circuit blocks can be interconnected and modified by means of jumpers and connection cables. 

Training program

  • Block diagram of a superheterodyne receiver
  • Demodulation techniques for AM, DSB, SSB, FM and logic states transmissions
  • Radio (antenna)/cable reception
  • Received signal field strength meter
  • Received code meter from radio control via Led
  • Local oscillator
  • PLL Circuit (Phase Locked Loop)
  • Frequency synthesis with PLL
  • Carrier suppressor regeneration
  • Change of tuning frequency
  • IF conversion mixer
  • IF filter
  • IF amplifier
  • AGC (Automatic Gain Control)
  • Output AF amplifier
  • Calibration and measurement of all stages and the whole module
  • Troubleshooting
  • System test and measurement
  • Use of the spectrum analyzer

Technical specifications
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