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Optimization of AFE function in ADV7842

Question asked by Hodaka on Jun 23, 2011
Latest reply on Aug 31, 2011 by Hodaka



I read a document that attached the following Engineer Zone.


In "Figure 4: AFE" of "Gain Setting in the ADV7844_ADV7842.pdf", there is PGA(Programmable Gain Amplifier).

I have questions about PGA.


Q1. Is there the way to change a gain value of PGA?


Q2. If Q1 is yes, its way is to operate the following registers?


Q3. If Q1 is yes, please teach me the way to change a gain value of PGA and take the maximum value of 1.4.


Please teach me.


Best regards.