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 [...]
A PLC works by continually scanning a program. We can think of this scan cycle as consisting of 3 important steps. There are typically more than 3 but we can focus on the important [...]
How the Principles of the VGA work on PAL and NTSC – converter