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THS7347 +AFE1000+DDP4421 开发过几版本, 现做一款一体板, 模拟、数字电源地没分开,VGA输入时蓝底色出现条纹. HDMI输入时不会出现，
以前做过分体板，原理图与软件都未做更改,不会出现蓝底色条纹这周情况,可否帮忙分析下，谢谢，现象见如下：
