Engineering Studies – H4 Telecommunication – Electricity
This topic covers techniques used to modulate communication signals. The key concepts are amplitude modulation, frequency modulation and phase modulation.
- Modulation concepts
- Amplitude modulation
- Frequency modulation
- Phase modulation
- Define and explain why modulation is necessary in communication?
- What are the two major features of an electromagnetic wave?
- Name several types of modulation and explain the features of each type of modulation.
- Discuss the meanings of these terms:
- Carrier wave