GB/T 18123-2000 Audio,video and audiovisual systems-Application of Y/C connector and preferred electrical matching values for video systems (English Version)
This standard is applicable to the transmission between devices in the high-resolution color video system of PAL system, NTSC system and SECAM system. The signal is the Y signal composed of luminance signal, blanking and synchronization signal and the color tone in the composite video signal. The signal form is the same as the C signal. This standard specifies the Y/C signal mating level and impedance preferred values, as well as the type of connector used.
GB/T 18123-2000 history
2000GB/T 18123-2000 Audio,video and audiovisual systems-Application of Y/C connector and preferred electrical matching values for video systems