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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.

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M97325

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