各种电视信号的国际标准，包括NTSC， PAL， 1080I ， VGA，XVGA等。有详细的时序说明。-VESA and Industry Standards and Guidelines for Computer Display Monitor Timing (DMT)

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