PCM / DPCM Demodulator

LD 736112
PCM / DPCM Demodulator
  4  PCM / DPCM Demodulator

Description

The PCM demodulator receives the transmitted data and the clock signal serially via a common data line (transmission channel) from the PCM modulator. The PCM demodulator converts the received data back into a PAM signal. Experiments on companding can be performed together with the compressor of the PCM modulator. The training panel also allows the demodulation of DPCM signals.

The device contains:
  • Serial/parallel converters
  • LEDs for simultaneous display of the bits set high
  • 13-segment expander
  • D/A converter
  • Predictor

Technical data

  • Prediction (DPCM): previous sample predictions
  • Input voltage: TTL level
  • Output: -10 V...+10 V
  • Supply voltage: ± 15 V DC
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