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Communication SystemsPCM

The main operations in a basic PCM transmitter are?

  • ASampling, quantization and encoding
  • BRectification, regulation and inversion
  • CMixing, filtering and mechanical switching only
  • DDemodulation, decoding and amplification only
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Correct Answer: A. Sampling, quantization and encoding
Explanation: A basic PCM transmitter samples the analog signal, quantizes each sample and encodes the quantized value into a binary word.
Reference: Standard communication systems: pcm
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