Physics A-Level
Amplitude modulation (AM)
What Amplitude modulation (AM) means in Physics A-Level, as defined for AQA.
Definition of Amplitude modulation (AM)
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Reference: AQA
A technique in which the amplitude of the carrier is varied in step with the information signal while its frequency stays constant.
Topics that use Amplitude modulation (AM)
Related terms
- Amplitude modulation
- Bandwidth
- Carrier wave
- Frequency and period relationship
- Frequency modulation
- Information signal
- Waveform interpretation and graphical representation
- Carrier waves and information transfer
Using Amplitude modulation (AM) in the exam
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