ELECTRONIC CIRCUIT

RGB Circuit to PAL – NTSC using MC1377
Parts :
R1 1 kΩ                  C1 1 nF
R2 2.2 kΩ              C2 100 nF            Qz cristal 4.433691
R3 75 Ω                  C3 22 µF
R4 75 Ω                   C4 22 µF
R5 75 Ω                  C5 22 µF
R6 1 kΩ                   C6 30 pF
R7 33 kΩ                C7 10 nF
R8 1 [...]

This series of VGA video signal in RGB format compatible with PAL or NTSC standard video timings.
AD722 is very low, RGB to NTSC / PAL Encoder that converts red, green and blue color component signals into a suitable lighting (baseband amplitude) and Chrominance (subcarrier amplitude and phase) signals in accordance with either NTSC or PAL [...]