Physics A-Level
Bandwidth
What Bandwidth means in Physics A-Level, as defined for AQA.
Definitions of Bandwidth
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Reference: AQA
The range of frequencies a channel must carry, limiting how much information can be transmitted.
The range of frequencies over which the gain remains within 3 dB of its maximum.
Topics that use Bandwidth
- Amplitude (AM) and frequency modulation (FM) techniques (A-level only) (AQA A-Level)
- Real operational amplifiers (A-level only) (AQA A-Level)
Related terms
- Amplitude modulation
- Amplitude modulation (AM)
- Carrier wave
- Frequency and period relationship
- Frequency modulation
- Frequency response
- Gain and bandwidth
- Gain-bandwidth product
Using Bandwidth in the exam
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