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Chapter 9
Exposure and Readout
Before each image from the CCD array appears on the computer screen, it must first be
read, digitized, and transferred to the computer. A block diagram of the path of the image
signal is shown in Figure 23.
Fast Analog
Signal Processor
Camera
Computer
Intensifier
CCD
Preamp
Fast A/DSlow A/D
HS serial interface
Display Storage
Slow Analog
Signal Processor
Video
Look-up
Table
Video Frame
Buffer
and Driver
Video
Monitor
HS serial interface
Incoming photons
Figure 23. Block Diagram of Signal Path in System
The sections below describe the exposure, readout, and digitization of the image.
Included are descriptions of binning for imaging applications and the specialized
I-PentaMAX timing modes.