Monochrome Television Transmitters and Receivers » Exercise – 1
1. Wideband amplifiers are required for :
(a) Video signal
(b) Audio modulated signal
(c) Hum noise
(d) ultrasonic waves
2. In television receiver, electron beam is deflected by :
(a) Electromagnetic
(b) Electrostatic
(c) Any of the two
(d) None of these
3. Los at high frequencies is caused by :
(a) Compiling capacitor
(b) Emitter by pass
(c) Decoupling capacitor
(d) Shunt capacitor
4. AFC is used for :
(a) AFC of vertical and horizontal osillactor
(b) Horizontal synchronization
(c) Stabilising picture and sound
(d) Vertical synchronisation
5. 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
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