In my task I'm employing a CM2009 IC between true VGA controller and VGA output connector. It's described while in the datasheet for this IC that I can use EMI filters on HSYNC, VSYNC and DDC channels right just after IC and right before VGA connector. Although there isn't any https://sethvbjui.fitnell.com/72068211/detailed-notes-on-emi-filter-purpose