IndiaBIX

Electronics and Communication Engineering - Communication Systems

Exercise : Communication Systems - Section 14
1.
Chrome signals in PAL colour television system consist of
R - Y and B - Y signal
V and U signals
I and Q signals
R - Y and G - Y signals
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
In TV system in India, each frame is divided into
625 horizontal lines
525 horizontal lines
425 horizontal lines
325 horizontal lines
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
In PAL system
phase of U signal is reversed on alternating lines
phase of V signal is reversed on alternating lines
phases of both U and V signals are reversed on alternating lines
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
Among the various modulation systems, the most favoured from the point of linearity of modulation and efficiency is
anode or collector modulation
central grid modulation
screen grid modulation
modulated oscillators
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
The phase of colour subcarrier burst in PAL is along the axis at
+180°
-180°
±180°
±45°
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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