将计算机主机输出的VGA视频信号进行100米以内的距离传输，力源公司推荐Intersil公司芯片组方案，芯片组包括EL4543、EL5375、EL5205，以实现CAT-5网络线的远距离传输。-Host computer VGA video output signal to distances of less than 100 meters, power sources recommended by Intersil Corporation chipset solution, chipset c

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