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Appendix B.
Timing Diagrams
B.1
Synchronization Modes with Variable Exposure Time
T
pix
: Timing Pixel. During this uncompressible period, the pixel and its black reference are read out to the Digital
converter. During the first half of this timing pixel (read out of the black reference), we can consider that the
exposure is still active.
Digital Conversion
: During the conversion, the analog Gain is applied by the gradient of the counting ramp (see
next chapter : Gain & Offset). The conversion time depends on the pixel format :
8 or 10 bits :
6µs
12 bits :
24µs
This conversion is done in masked time, eventually during the next exposure period.
T
d
: Delay between the Start exposure required and the real start of the exposure.
Digital Conversion
T
pix
Line Trigger
CC1 or Internal
T
d
T
per
Tint
real
Exposure Time
Programmed
ITC Trigger
CC1
T
int
(Exposure Time)
T
x
Exposure Time
Internal
Exposure Time
Programmed
Line Triggers
CC1
CC2
T
h
T
ht
Synchro
Mode
Sync = 0
Sync = 1
Sync = 3
Sync = 4
In the
Camera /
sensor
No Exposure start before this point
T
intProg
