CHEETAH Hardware User’s Manual
Imperx, Inc.
Rev. 6.2
6421 Congress Ave.
7/7/2015
Boca Raton, FL 33487
+1 (561) 989-0006
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2.4 FRAME TIME CONTROL
35
2.4.1 Internal Line and Frame Time Control
35
2.4.2 Camera Output Control
36
2.5 AREA OF INTEREST
37
2.5.1 Overview
37
2.5.2 Horizontal and Vertical Window
37
2.5.3 Factors Impacting Frame Rate
38
2.6 SUBSAMPLING
40
2.6.1 Pixel Averaging
40
2.6.2 Sub-sampling Decimation
41
2.7 EXPOSURE CONTROL
43
2.7.1 Internal Exposure Control - Electronic Shutter
43
2.7.3 External exposure control
45
2.7.4 Variable Frame Time – Programmable Line and Frame Time
45
2.8 CAMERA TRIGGERING
46
2.8.1 Triggering Inputs
46
2.8.2 Acquisition and Exposure Control
46
2.8.3
Triggering modes
47
2.9 STROBES
49
2.10 VIDEO AMPLIFIER GAIN AND OFFSET
50
2.10.1 Analog Domain – manual control
50
2.10.2 Digital Domain – manual control
51
2.11 WIDE DYNAMIC RANGE (WDR)
51
2.11.1 Overview
51
2.11.2 Wide Dynamic Range Controls
57
2.11.3 Initial WDR Setup Recommendations
59
2.11.4 WDR at maximum frame rates (image artifact prevention)
60
2.12 DATA OUTPUT FORMAT
61
2.12.1 Bit Depth
61
2.12.2 Output Taps
63
2.13 PULSE GENERATOR
64
2.14 I/O CONTROL
64
2.14.1 Input / Output Mapping
64
2.14.2 Electrical Connectivity
65
2.15 TEST IMAGE PATTERNS
67
