1.19 Appendix A. Specific Camera / Sensor Data
195
1.19.1.5.4
Reprogramming CCD Timing
Reprogramming the CCD Controller will happen when the following changes occur
• Changing the exposure time
• Changing the capture window
• Changing Trigger Modes
Reprogram time consists of two phases
1. Time needed to send data to the CCD controller depending on what is changed
exposure
: abt 2..3ms
window:
abt 4..6ms
trigger mode:
from 5..90ms, varies with oldmode/newmode combination
2. Time to initialize (erase) the CCD chip after reprogramming this is fixed, abt 4.5 ms
So for example when reprogramming the capture window you will need (average values)
t
regprog
= change_ init_ccd
t
regprog
= 5ms + 4.5ms
t
regprog
= 9.5ms
1.19.1.5.5
CCD Sensor Data
Device Structure
• Interline CCD image sensor
• Image size: Diagonal 8.923mm (Type 1/1.8)
• Number of effective pixels: 1600 (H) x 1200 (V) approx. 1.92M pixels
• Total number of pixels: 1688 (H) x 1248 (V) approx. 2.11M pixels
• Chip size: 8.50mm (H) x 6.8mm (V)
• Unit cell size: 4.4um (H) x 4.4um (V)
• Optical black:
–
Horizontal (H) direction: Front 12 pixels, rear 48 pixels
–
Vertical (V) direction: Front 10 pixels, rear 2 pixels
• Number of dummy bits: Horizontal 28 Vertical 1
• Substrate material: Silicon
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