Integrated circuit Video, Chroma, and sync. Signal Processing circuit for PAL/NTSC/SECAM System Color Televisions 集成电路视频,色度和同步。信号处理电路用于PAL / NTSC / SECAM制式彩色电视系统 Integrated circuit Video Chroma and sync. Signal Processing circuit for PAL/NTSC/SECAM System Color Televisions