Intel Arria 10 SDI II User Manual page 12

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You may encounter certain problems with the 12G-SDI 2160p59.94 in the serial
loopback design that cannot be detected on the Omnitek Ultra 4K analyzer
(software v2.1).
Serial loopback design is mainly for image and TX clock switching demonstrations
only. To get a more accurate jitter performance with the daughter card
components, use the parallel loopback design and connect it to a clean video
source.
To allow segmented frame video format (1080sF30, 1080sF25) and interlaced
video format (1080i60, 1080i50) to be correctly differentiated in the external
analyzer, Payload ID has to be inserted in the serial loopback design.
®
®
Intel
Arria
10 SDI II IP Core Design Example User Guide
12
1 SDI II Design Example Quick Start Guide
UG-20076 | 2017.05.08

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