Figure 13

            Figure 14

Figure % Saturation 50% Saturation 25% Saturation

Luminance Signal Y H and V Sync Pulses Modulated Chrominance Color Burst  Composite Video Signal Figure 16a

 Gate Figure 16b Color Sub-carrier: In-phase component Color Sub-carrier: Quadrature-phase component Video signal Color Burst

Raw Luminance Signal

Add Syn Pulses

Add Chrominance

Add Color Burst

64  s 250ns Line frequency = 1/ 64  s = 15625Hz

Peak White 1.0 Black Level 0.0 Figure 17

Figure 18

Field 1 Field 2 Field 3 Start Figure 19

Basic principle: Chrominance = Ucos  t + V(cos  t+90 o ) In Practice: Gamma Correction Weighted RGB-YUV Conversion RGBR’G’B’YUV Figure 20