Physics A-Level
Modulation
What Modulation means in Physics A-Level, as defined for AQA.
Definition of Modulation
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Reference: AQA
Imposes the information signal onto a carrier wave, matching the signal to the transmission medium and allowing efficient radiation or sharing of a channel.
Topics that use Modulation
- Principles of communication systems (A-level only) (AQA A-Level)
Related terms
- Amplification
- Block diagram
- Demodulation
- Input transducer
- Output transducer
- Real-time communication system
- Transducer stages
Using Modulation in the exam
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