应用功能:130 MHz/85 MHz RGB Video Amplifier System with Blanking The LM1205/LM1207 is a very high frequency video amplifier system intended for use in high resolution RGB monitor applications. In addition to the three matched video amplifiers,the LM1205/LM1207 contains three gated single ended input black level clamp comparators for brightness control,three matched DC controlled attenuators for contras control.