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ESE 2019 Technical ( Analog & Digital Communication Systems: Quiz 3 )
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Question 1
Statement (I): Most TDM systems use PCM to transmit analog signals.
Statement (II): PCM uses A/D conversion technique to translate analog signals into binary from for serial transmission.
Statement (II): PCM uses A/D conversion technique to translate analog signals into binary from for serial transmission.
Question 2
The correct formula for calculating Signal-to-noise and distortion ratio is:
Question 3
The basic motivation behind the development of digital modulation techniques is :
Question 4
How can the quantizing noise be reduced?
Question 5
Sampling is done before:
Question 6
What this curve indicates?
Question 7
The figure shows the block diagram of a frequency discriminator. What does the second block represent?
Question 8
Which one of the following statements is correct?
Question 9
What is the modulation index of an FM signal having a carrier swing of 100kHz and modulating frequency of 8kHz?
Question 10
An analog signal has significant spectral components from 1 kHz to 5 kHz. What is the Nyquist sampling rate for this signal?
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Mar 8ESE & GATE EC
