problem 1: Describe with an appropriate diagram the coding procedure in PAL color system. Why the color is burst signal transmitted after each of the scanning line.
problem 2: Describe the delay line method of separating U and V signals in a PAL receiver. Describe the function of a color killer circuit in the path of chrominance signal in the receiver?
problem 3: describe the way in which the APC circuit functions to keep the reference sub carrier frequency constant in the PAL system.
problem 4: What is the fundamental difference between the SECAM and other color TV systems?
describe in brief the encoding and decoding procedures of the SECAM system.
problem 5: describe the relative advantages and drawbacks of the three TV systems. Describe the factors that affect the choice of any one of three systems.