Monochrome Television Transmitters and Receivers » Exercise - 15. FM detector employed in the sound section of a television receiver is generally : (a) A ratio detector (b) A frequency discriminator (c) Either of two (d) None of these
Monochrome Television Transmitters and Receivers » Exercise - 17. The gain of IF section in TV receiver is : (a) Is of the order of 1000 or so (b) Depends upon the design and cannot changed (c) Can be varied with AGC bias cantrol (d) None of these
Monochrome Television Transmitters and Receivers » Exercise - 16. AGC bias is applied to : (a) RF, mixer and IF stages (b) IF stage (c) RF and IF stage (d) None of these
Monochrome Television Transmitters and Receivers » Exercise - 1 13. For negative polarity transmission, the polarity of video detector at the output of video detector is : (a) Positive (b) Negative (c) Neither of two (d) Intermediate