FEATURES & FUNCTIONALITY
Neo
SECTION 2
Page 23
SECTION 2 - FEATURES & FUNCTIONALITY
2.1 - sCMOS STRUCTURE & OPERATION
sCMOS technology is unique in its ability to overcome many of the mutual exclusivities that have marred other
scientific detector technologies, resulting in an imaging detector that simultaneously optimizes a range of
important performance parameters.
As illustrated above, the CMOS sensor is an “
A
ctive
P
ixel
S
ensor” (
APS
) whereby each pixel has its own
integral amplifier and the sequence of operation is as follows:
1. Light hits sensor and generates charge
2. The photo-generated charge is converted to an analogue voltage inside each pixel amplifier
3. Pixel voltage is transferred to the column bus via a row select signal
4. The analogue voltage is then converted to a digital signal via columns of A/D (analogue to digital)
converters.
5. The final digitized signals are then read out sequentially at a pixel readout speed of up to 280 MHz
(x2 halves).
NOTES:
For Rolling Shutter mode operation, pixels in each row are exposed and the charge converted to a
voltage simultaneously before being digitized then read out sequentially
For Global Shutter mode, each pixel in the sensor begins an exposure simultaneously and then ends
an exposure simultaneously
1
2
3
4
5
Содержание Neo sCMOS
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Страница 17: ...INTRODUCTION Neo SECTION 1 Page 17 1 5 1 Mechanical drawings...
Страница 79: ...APPENDIX Neo APPENDIX Page 79 APPENDIX A1 DECLARATION OF CONFORMITY...
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