commodore - Is there a device that will take composite video from a vintage computer and filter it so it is green or amber like the old monochrome monitors? - Retrocomputing Stack Exchange
EL4581 Video Sync Separator Pinout, Datasheet, Equivalents & Specs
LM1881 LM1881 Video Sync Separator under Repository-circuits -45472- : Next.gr
sync separator - video signal + sync separator = sync signal | Elektor Magazine
How I Designed a Simple Video Sync Separator (EP 47) - YouTube
EL1881 Video Sync Separator Datasheet, Specs & Equivalents