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Data communication systems (A-level only)

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Question 13

An audio signal is transmitted on a frequency-modulated (FM) radio station. The transmission has a bandwidth of 190 kHz190\text{ kHz}190 kHz and the carrier wave has a maximum frequency deviation of 78 kHz78\text{ kHz}78 kHz.

Calculate the maximum frequency of the information signal.

[3]
Markscheme

Data communication systems (A-level only) Questions

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

22 exam-style questions on AQA A Level Physics Data communication systems (A-level only), covering Principles of communication systems (A-level only), Transmission media (A-level only), Time-division multiplexing (A-level only), and Amplitude (AM) and frequency modulation (FM) techniques (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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