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ADV7188 (PAL mode) - Some spikes appears in RED FIELD

Question asked by lberitau on Oct 23, 2012
Latest reply on Oct 23, 2012 by lberitau

Hi everybody,

 

I use the ADV7188 in PAL B/G mode. In RED FIELD mode, some spikes appears at the end of line:

PAL_spikes.jpg

PAL_spikes_2.jpg

Does this behavior come from a bad AGC configuration? AGC saturation?

Is there a bad chrominance signal ?

 

I send the configuration file (ADV7188.conf) of our chip for a check.

 

Many thanks for your replies!

 

Laurent

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