ntsc 2-line digital y/c separation.
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* TV system : NTSC PLL4 × multiplication circuit sync. tip clamping circuit Internal 8 bit A / D converter Inter.
(computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). T.
(1) Input clamp (CLAMP) This is sync tip clamp circuit for composite signal. This circuit makes feedback so that the min. data after A / D converter at Y / C separation equal to internal DC bias level. (2) A / D converter (ADC) This is high speed se.
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