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Questions and Answers
Which parameter of a carrier may carry information in frequency modulation?
Which parameter of a carrier may carry information in frequency modulation?
- Amplitude
- Frequency (correct)
- Phase
- None of the above
What remains constant in frequency modulation?
What remains constant in frequency modulation?
- Amplitude (correct)
- Frequency
- Phase
- None of the above
What is the purpose of frequency modulation?
What is the purpose of frequency modulation?
- To vary the carrier amplitude
- To vary the carrier frequency (correct)
- To vary the carrier phase
- None of the above
What is the term used to describe the changing of a carrier frequency by the modulating signal?
What is the term used to describe the changing of a carrier frequency by the modulating signal?
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Which modulation technique is known for its noise-suppression effects?
Which modulation technique is known for its noise-suppression effects?
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Study Notes
Key Concepts in Frequency Modulation
- In frequency modulation (FM), the frequency of the carrier wave is altered to encode information.
- The amplitude of the carrier wave remains constant during frequency modulation.
- Frequency modulation aims to provide a robust communication signal that is less susceptible to interference and noise.
- The process of altering the carrier frequency based on the modulating signal is referred to as frequency deviation.
- Frequency modulation is particularly known for its noise-suppression effects, making it ideal for broadcasting and communication systems.
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