📊 Communication Engineering
Q. Preamble is used for
  • (A) detect start of transmission
  • (B) to set automatic gain control
  • (C) to align internal clocks
  • (D) all of the mentioned
💬 Discuss
✅ Correct Answer: (D) all of the mentioned

Explanation: the receiver uses preamble for detecting the start of transmission, to set automatic gain control, and to align internal clocks and local oscillator with the received signal.

Explanation by: Shiva Ram
the receiver uses preamble for detecting the start of transmission, to set automatic gain control, and to align internal clocks and local oscillator with the received signal.

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