VGA to PAL and NTSC converter... This circuit is based on AD722 IC from Analog Devices. The AD722 is a low cost RGB to NTSC/PAL Encoder that converts red, green and blue color component signals into their corresponding luminance (baseband amplitude

TW2851 数据手册 4 通道 音频 视频解码 编码器-tw2851 datasheet techwell 4 Channel A/V Decoder with Multiplexer/VGA/ LCD Display Processor for Security Applications