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ADV7393 and AD725 Interface

Question asked by siva.thiru on Jan 7, 2016
Latest reply on Jan 13, 2016 by PaulS



I'm working with ADV7393 and AD725 for RGB to Y/C video output.

During the design phase i thought the sync pulse is comes only on Green(G) color input signal.

So i stripped the sync pulse by using the AD8062 only on green color and feed to AD725 chip, without sync stripping of Red and Blue.

Hence the Y/C video output color is distorted (as a blueish).


If i control the ADV7393 0x02[4] register

as enabled, the output comes blueish and if i disabled, the total image/video is distorted.


So how to preserve the original image/video (without color deviation) in this design?