用tfp401和tfp410后,lcd出现噪点,怎么回事?难道是没用tfp401a的原因吗? 谢谢
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TFP401A和TFP401的区别就在于TFP401A内部集成了去抖电路,可以用示波器量下HSYNC的波形。
The TFP401A incorporates additional circuitry to create a stable HSYNC from DVI transmitters that introduce undesirable jitter on the transmitted HSYNC signal。