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Big picture of a communication system

Big picture of a communication system

Block diagram of a communication system from information input through transducers, modulation, amplification, transmission path, reception, demodulation, and information output

A real-time communication system sends information with only a very small delay. It has three physical sections: transmitter, transmission path, and receiver.

Principles of communication systems (A-level only) Lesson

  1. A Level
  2. /Physics
  3. /Principles of communication systems (A-level only)

Step-by-step lessons on AQA A Level Physics Principles of communication systems (A-level only). Each one builds up to exam-style questions. Physics is one of the most mathematically demanding A Levels -- at least 40% of the marks require maths skills at Level 2 (GCSE) standard or above, so build calculation and graph-handling fluency alongside the conceptual content from the start.

Lessons