e2v ELIIXA+ 16K/8K CXP MONO, User Manual

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U
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ANUAL
16
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/8
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CXP M
ONO
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7.3.4 Full Exposure Control Mode
The Full Exposure Control
In 4S Sensor Mode, the Sensor is working as a double TDI (Time Integration Delay) : The two Top
Pixels and the two bottom Pixels are working together in TDI with a delay between their exposure
and outputting by the same Memory node and ADC. The summation of the pixels is done in the
“charge domain” before the Digital Conversion.
In TDI, control of the exposure is not possible: Only the full Exposure during the Line Period is
possible. In order to allow the User to control the exposure in this 4S Sensor mode (Synchronization
Modes 1 and 3, described in the Acquisition control chapter), The Camera implement a “Full
Exposure Control Mode” :
When the User selects a synchronization mode which requires the control of the exposure, the
camera enters a specific mode:
The Line Period (measured) is Tper , its minimum value is TPer
mini
(10µs on this camera) and the
exposure time set by the User is Prog_Tint.


If Tper < Prog_Tint
Switch Point
(no switch for BH1)