We are experience some 'video stutter' with a long 15m coax cable but not with a 3m coax cable, on our video recordings.
Trying to get some better media to quantify this observation, we will shoot a digital timer and record the video.
Any other test suggestions or suspects to explore?
setup
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ds90ub954/3 EVMs (our custom boards arrive shortly, using non-automotive family parts)
Single camera
ISP Raspberry PI4
Camera IMX477
our mipi clock is 455 MHz