It is perfectly possible to convert the Amiga's RGB signal to Y-Pb-Pr (component) video. Even if it is interlaced. It is then called 480i(ntsc) or 576i(pal). My panasonic television supports all formats (480i/480p/576i/576p/720p and 1080i) over the component input. The schematics posted here should work and can be made even simpler because of the sync signal. The Amiga puts out a composite sync signal that can be directly added to the component video. No need to adjust pulse widths at all! It should also work with AGA 31khz modes too. Just make sure the opamps used have enough bandwidth and drive capability.
Good luck!
Dennis
