Physics A-Level
Quantisation
What Quantisation means in Physics A-Level, as defined for AQA.
Definitions of Quantisation
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Reference: AQA
Assigns each sample to the nearest available discrete level, where the number of levels is 2ⁿ and n is the number of bits per sample.
Each sample value is rounded to the nearest discrete level on a fixed amplitude scale, introducing quantisation error.
Topics that use Quantisation
Related terms
- Analogue and digital signals
- Analogue data collection
- Automatic and remote monitoring
- bit depth
- Bit rate
- Number of bits per sample
- Potential divider circuits
- Sampling
Using Quantisation in the exam
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