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GPM 栅极脉冲调制器是针对 TFT-LCD 面板栅极驱动器的专用设计,它在来自定时控制器的帧信号的控制下对栅极开通电压进行调制,其作用就是一个闪烁补偿电路,目的是降低栅极线路和像素之间的耦合响应。它也能在上电阶段起到推迟栅极导通电压的作用,从而为栅极驱动 IC 带来正确的电源启动时序。闪烁补偿和电源启动时序两者的延迟时间均可由外部电阻和电容器进行设定。
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