Description

Description of Pulse Code Modulation and Demodulation Trainer

Features

• On-board message signal with variable amplitude
• Two different frequency message signal
• Voice Communication
• PCM Modulation using AD 7819
• PWM Demodulation using DAC 0800
• 4th Order LPF
• Internal Power Supply +5V , +12V/ 500 mA
• Number of test point to study the PCM system
• User friendly front panel block diagram

Technical Specification

• Message Signal 1 :
  • Frequency 500 Hz
  • Amplitude 0 to 2.5V
• Message Signal 2 :
  • Frequency 1 KHz
  • Amplitude 0 to 2.5V
• Mic Pre Amplifier : Transistor Based
• Sampling Rate : Frequency 128KHz
• Modulator Type : ADC based (AD 7819)
• Demodulator : DAC based (DAC 0800)
• Filter : 4th order LPF
• Supply Voltage (Board) : +12V, +5V / DC
• Supply current : 100 mA (Minimum)
• Input Voltage : 230 V/ 50 Hz AC
• Interface connectors : 2mm socket

Kit Include

• PCM Trainer : 1 No
• Patch chord : 4 No’s
• Power chord : 1 No
• Manual : 1 No
• MIC : 1 No