problem 1: Show with a circuit diagram how DC potentials are supplied to the different electrodes of picture tube.
problem 2: What are the main functions of brightness and contrast controls?
problem 3: What do you mean by image multiplication and signal multiplication in an Image Orthicon camera tube?
problem 4: In an Image Orthicon, find out the function of wire mesh screen and why is it positioned very close to target plate?
problem 5: Describe with the help of sketches, how video signal is developed in the Vidicon camera tube.
problem 6: How is Vidicon distinct from the Image Orthicon and what its special applications are?
problem 7: Illustrate the existing TV standards?
problem 8: What is the requirement of the trap circuits?
problem 9: How does low frequency compensation occur in the TV receiver?
problem 10: Describe the functional importance if the blocks of a TV receiver.