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ADV7343 LOOP FILTER COMPONENTS

According to ADV7343 datasheet, the external  loop filter looks like Fig. 92 (p.73).

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The questions are;

1.     What kinds of side-effect  would occurr if the 150nF capacitor value would be changed between -20% (120nF)~+80% (270nF?) in the worst  case?

2.     How much margin would be  permitted in this capacitor, from design point of view?

As for Q1, since it determines the  filter characteristics, I assume the noise or something would be appeared in the  picture in the worst case.

Message was edited by: Andy to correct part number from ADV7240 to ADV7402

message edit by HankZ 05/17/10 to correct part number to ADV7343 and correct page number for Fig.92

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