EXPERIMENT 3 COMPOSITE VIDEO

PURPOSE:

• Getting to know the basic composite video.
• Measuring standard composite video and voltage.
• Determining the parameters of composite video. 

EQUIPMENT USED :

• 1 VCD / VTR
• 1 Oscilloscope 40 MHz and passive probe
• An RCA cable connector - BNC (75Ohm) 

Circuit diagram :

 

INTRODUCTION:   

Composite Video Signal Construction

        Composite video signal containing variations of the camera signal (image information), blanking pulses (blanking), and synchronization pulses (sync). 

Figure 1 Three sets of composite video signal is a variation of the camera signal, blanking pulses, and synchronizing pulses. (A) camera signals (image information) to a single horizontal line, (b) H blanking pulse signal is added to the camera, (c) Toll-alignment of H added to the pulse discharge.