Physics A-Level
electronic scanning
What electronic scanning means in Physics A-Level, as defined for AQA.
Definition of electronic scanning
Check what you remember
Read the wording for your board, then hide it and explain electronic scanning in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Readout electronics address pixels sequentially, typically row by row, transferring each pixel's charge to an amplifier and analogue-to-digital converter.
Topics that use electronic scanning
- Image detection and enhancement (A-level only) (AQA A-Level)
Related terms
- Barium meal
- Clinical workflow and data storage
- Contrast enhancement
- Digital versus analogue imaging
- dose reduction
- fluoroscopic image intensification
- Image quality and contrast resolution
- intensifying screen
Using electronic scanning in the exam
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