why the cvbs video shakes?

[翔李]

HI,

1: I use the DISP0_DAT0- DAT7 to output to a ADI's DAC IC ADV7179,but the CVBS video is shake or jitter in whole,and the added RED car tracking line shakes seriously.

2:what can i do to solce this problem?

thanks.

http://www.analog.com/media/en/technical-documentation/data-sheets/ADV7174_7179.pdf 

[igorpadykov]

Hi

please check cvbs patches on

https://community.nxp.com/docs/DOC-94019

and NVCC_PLL_OUT jitter along with other power supplies using guidelines from

i.MX6 System Development User’s Guide

http://cache.freescale.com/files/32bit/doc/user_guide/IMX6DQ6SDLHDG.pdf

Best regards
igor
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