93Alvium USB Cameras User Guide V4.6.1
Specifications
ROI frame rates
Values were measured as defined in Specified values on page 67.
To reach the maximum frame rate available for this setup, the bandwidth for image
traffic is 200 MByte/s. Increasing the
DeviceLinkThroughputLimit value does
not increase frame rates.
Alvium 1800 U-120 cameras do not allow overlapping of exposure and readout.
In triggered mode, the maximum available frame rates may be reduced with long
exposure times.
Image
format
Width
[pixels]
Height
[pixels]
ROI
area
[MP]
Frame rate [fps]
1
450 MByte/s 375 MByte/s 200 MByte/s
Full
resolution
1280 960 1.229 52.8/52.8
HD 720 1280 720 0.922 69.2/69.3 69.3/69.3
XGA 1024 768 0.786 65.2/65.2
SVGA 800 600 0.48 82.0/82.0
VGA 640 480 0.307 100.5/100.5
HVGA 480 320 0.154 143.8/143.8
QVGA 320 240 0.077 161.2/161.2
HQVGA 240 160 0.038 161.2/161.2
QQVGA 160 120 0.019 161.2/161.2
Max. × half 1280 480 0.614 100.5/100.5
Max. × min. 1280 8 0.01 160.9/160.9
Min. × max. 8 960 0.008 52.9/52.9
Min. × min. 8 8 64 P 161.2/161.2
1
Mono8 or Bayer...8
(2)
at SensorBitDepth = 12-Bit /
Mono12 or Bayer...12 at SensorBitDepth = 12-Bit
2
The three dots... represent the colors of a Bayer pixel format, such as in BayerRG8.
Table 29: Alvium 1800 U-120m/c ROI frame rates
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