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EC2307 Communication Systems Lab Viva Questions -Nesan Edition
#1




University : Anna University.
Department : Electronics and Communication Engineering.
Semester : Fifth Semester.
Year : Third Year.
Subject Code : EC2307.
Subject Name : Communication Systems Laboratory.
Type : Viva Questions.
Regulation :2008
Content : Important Viva Questions -Nesan Edition.(covers repeatedly asking questions).


1)What is modulation ?
2)Expand AM,FM.
3)why we use carrier signal ?
4)what is demodulation ?
5)what is the use of frequency modulation ?
6)Expand PAM,PCM,PPM,PWM.
7)What is the use of CRO.
8)What is sampling?
9)what is mean by detection ?
10)Expand ASK,FSK,PSK,QPSK .
11)what is shift keying ?
12)what is the use of carrier oscillator?
13)what is preemphasis and deemphasis?
14)why we emphasis signals?
15)Expand PLL?
16)what is the use of Phase detector ?
17)Expand VCO ?
18)what is TDM and what is the use of this technique ?
19)what is the need of error control?
20)what we do in line coding ?
21)what is the use of multi output power supply?
22)Expand NRZ,RZ,NRZI .
23)what is the use of manchester coding ?
24)what is power spectra?
25)what is the use of MATLAB?



nesan, proud to be in V+ Team.



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#2

@nesan Since the attachment is small u can post it directly as i did bro.. +1 Reputed

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#3


@Srini ok from now i will do.

nesan, proud to be in V+ Team.


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