Television Engineering MCQs

Question 1

In forward AGC,

Accepted Answer

asttenaceided signalgmngth incneases, the gain of the am ptifipr stages is reduced by driving the taansistors try aids saturation

Answer

the amplifier circuits whose gain is to be controlled by AGC bias must use NPN transistors

Answer

the amplifier circuits whose gain is to be controlled by AGC bias must use PNP transistors

Answer

as the mazeivecl si3rialgotragth inotaases, the gain of the amplifier stages is reduced by driving the tonaistprs tnw a-wig cut-off

Question 2

When (R-Y) and luminance signals are combined, the result is

Accepted Answer

Red video

Answer

Green video

Answer

Blue video

Answer

no signal

Question 3

One of the following equipments is used for testing of chrominance section

Accepted Answer

Vectoroscope

Answer

Sweep generator

Answer

Oscilloscope

Answer

Waveform monitor