In my challenge I'm employing a CM2009 IC between genuine VGA controller and VGA output connector. It's described inside the datasheet for this IC which i can use EMI filters on HSYNC, VSYNC and DDC channels right following IC and ahead of VGA connector. Although there are no specs for https://israelsqlew.bloggactif.com/32211887/5-easy-facts-about-single-phase-emi-emc-line-filter-described