prelim will based on question which were published on 17th sep on this blog
Friday, 28 September 2012
Monday, 24 September 2012
Tuesday, 18 September 2012
Monday, 17 September 2012
if5e msbte cmt chapterwise question bank
Chapter
|
Question
|
marks
|
year
|
chap 1
|
draw square law diode detector .State its limitations
|
-4marks
|
w11
|
chap 2
|
define:
I) Critical Frequency
II)MUF
|
-4marks
|
w11
|
CHAP 3
|
Draw P.P.M. waveform
|
4marks
|
w11
|
CHAP 3
|
List application of P.C.M.
|
4marks
|
w11
|
chap 1
|
draw AM waveform in time domain for m>1,m=1 &m<1
|
6marks
|
w11
|
Chap 5
|
Explain with neat diagram(with block diagram) cellular mobile phone
|
6 marks
|
w11, S11
|
Chap 2
|
Draw & Explain Ionosphere
|
4 marks
|
w11
|
Chap 3
|
State & explain demerits of delta modulation
|
4 marks
|
W 11
|
Chap 5
|
State function of satellite
|
4 marks
|
W 11
|
Chap 4`
|
Explain unipolar encoding Technique
|
4 marks
|
W 11
|
Chap 6
|
Expalin T-line
|
4 marks
|
W 11
|
Chap 5
|
Explain cell splitting
|
4 marks
|
W 11
|
Chap 5
|
List advantages of pulse modulation
technique
|
4 marks
|
W 11
|
Chap 4
|
Define Baud Rate & bit Rate
|
4 marks
|
W 11
|
Chap 5
|
Define/ describe elevation
& azimuth angle of satellite
|
4 marks
|
W 11,s 12
|
Chap 3
|
Define QPSK waveform
|
4 marks
|
W 11
|
Chap 5
|
Expalin frequency reuse concept in cellular mobile communication
|
4 marks
|
W11
|
Chap 1
|
Describe necessity of modulation in satellite
|
4 marks
|
W 11
|
Chap 5
|
Draw uplink & downlink model of satellite (what is uplink &
downlink frequency of satellite system)
|
4 marks
|
W 11, s11
|
Chap 2
|
Draw & explain actual & virtual height
|
4 marks
|
W 11
|
Chap 1
|
Compare AM & FM
|
4 marks
|
W 11, w11
|
Chap 3
|
State & explain Sampling theorem
|
4 marks
|
W 11
|
Chap 3
|
Draw & Explain working of DPSK Generator
|
6 marks
|
W 11
|
Chap 5
|
With neat diagram explain operation of cellular mobile system
|
6 marks
|
W 11
|
Chap 6
|
Describe concept of WDM in brief
|
6 marks
|
W 11
|
Chap 3
|
Draw waform of PWM & PPM
|
4 marks
|
W 11
|
Chap 1
|
Compare AM & PM
|
4 marks
|
W11
|
Chap 4
|
Descirbe channel capacity & channel b/w
|
4 marks
|
W11
|
Chap 3
|
State & explain working principal of ASK
|
4 marks
|
W 11
|
Chap 2
|
Describe stroboscopic scatter propagation in brief
|
4 marks
|
W 11
|
Chap 2
|
Explain Duct Propagation
|
4 marks
|
W 11, s12
|
Chap 6
|
Compare FDM & TDM
|
4 marks
|
W 11
|
Chap 6
|
Explain type of Bipolar encoding technique
|
4 marks
|
W 11
|
Chap 5
|
List features of CDMA
|
4 Marks
|
W 11
|
Chap 6
|
Explain DSL
|
4 marks
|
W11
|
Chap 1
|
Draw neat block diagram of Communication system. State functions of
each block
|
4 marks
|
S 12, S11
|
Chap 2
|
What is polarization ? state different types of Polarization
|
4 marks
|
S 12
|
Chap 3
|
Define nyquest rate .What is alising
|
4 marks
|
S12
|
Chap 3
|
What is multiplexing ? State different type of multiplexing used
|
4 marks
|
S 12
|
Chap 1
|
Draw neat diagram of AM transmitter ,Descirbe function of each block
|
6 marks
|
S 12
|
Chap 5
|
Descirbe polar circular ,polar equatorial ,elliptical orbit of
satellite what is geostationary orbit
|
6 marks
|
S 12
|
Chap 3
|
Draw neat diagram of delta modulator & demodulator
|
4 marks
|
S 12
|
Chap 4
|
What is digital to digital conversion ? state different type of polar
encoding .
|
4 marks
|
S 12
|
Chap 5
|
Describe telemetry & control subsystem of satellite
|
4 marks
|
S12
|
Chap 6
|
Describe anlog switched services with neat diagram
|
4 marks
|
S12
|
Chap 5
|
State band of frequency allocated for mobile phone.state its
application.
|
4 marks
|
S 12
|
Chap 3
|
Compare between pulse modulation
& CW modulation( 4 point)
|
4 marks
|
S 12
|
Chap 5
|
Name & describe antenna used in satellite communication
|
4 marks
|
S12
|
Chap 4
|
Define:
i)data rate ii) Baud rate iii)channel capacity iv)bit rate iv)
channel bandwidth
|
4 marks
|
S 12,s11
|
Chap 3
|
Draw neat diagram of ask generator .state bandwith requirement of it
|
4 marks
|
S12
|
Describe concept of frequency reuse
|
4 marks
|
S12
|
|
Chap 5
|
State processing stapes in cellular communication
|
4 marks
|
S12
|
Chap 3
|
With neat diagram describe principal of FDM
|
4 marks
|
S12
|
Chap 1
|
Define FM state ideal & practical B/W requirement of FM
|
4 marks
|
S12
|
Chap 2
|
Describe ground wave
propagation .state its application
|
4 marks
|
S12
|
Chap 3
|
Describe PCM transmitter with the help of neat diagram .what is quantization
error
|
6 marks
|
S12
|
Chap 5
|
Draw block diagram of cellular system & describe each block
|
6 marks
|
S12
|
Chap 3
|
Draw block diagram of BPSK
transmitter. State two advantages of it
|
4 marks
|
S12
|
Chap 1
|
Find % modulation when Emax=132 V.P.P. & Emin = 28 V.P.P Draw AM
waveform
|
4 marks
|
S12
|
Chap 3
|
Compare PPM & PWM w.r.t.
B/W, transmitted power
,variable parameter of carrier ,o/p waveform
|
4 marks
|
S12
|
Chap 1
|
Draw frequency spectrum of AM .state 2 advantages of FM over AM
|
4 marks
|
S12
|
Chap 3
|
Compare between AM & ASK (any 4 points)
|
4 marks
|
S12
|
Chap 4
|
Descirbe B8ZS coding Scheme
|
4 marks
|
S12
|
Chap 3
|
Define PPM .describe generation of PPM
|
4 marks
|
S12
|
Chap 2
|
With suitable example describe HDB3
|
4 marks
|
S12
|
Define fading state its importance
|
4 MARKS
|
S12
|
|
Chap 6
|
Describe analog hierarchy
|
4 marks
|
S12
|
Chap 1
|
Define modulation index of AM
, draw waveform for m=1,m<1,m>1
|
4 marks
|
S12
|
Chap 6
|
Differentiate between analog & digital communication
|
4 marks
|
S12
|
Chap 2
|
State different mode of propagation of radio wave with its
frequency range
|
4 marks
|
S11
|
Chap 3
|
Compare natural sampling ,flat top sampling .state sampling theorem
& Nyquest rate
|
4 marks
|
S11
|
What is superhetrodyne receiver ? explain with respect to AM
receiver .
|
4 marks
|
S11
|
|
Chap 1
|
Compare AM,FM ,PM w.r.t. waveform ,B/W , MI, frequency Spectrum
|
4 marks
|
S11
|
Chap 2
|
What is stroboscopic scatter propagation. Explain with neat diagram
|
4 marks
|
S11
|
Chap 5
|
Define orbit of satellite with sketch
|
4 marks
|
S11
|
Chap 5
|
What are 2 parts of parabolic antenna
|
4 marks
|
S11
|
Chap 4
|
How digital encoding differs from modulation .state 2 tequniqes
|
4 marks
|
S11
|
Chap 2
|
What is guard band ? when is
guard band used .explain
|
4 marks
|
S11
|
Chap 3
|
What is quantization range & quantization error
|
4 marks
|
S11
|
Chap 5
|
Explain process of cell splitting
|
4 marks
|
S11
|
Chap 6
|
Describe different analog & digital telephone services provided
by telephone company
|
4 marks
|
S11
|
Chap 4
|
Assume data stream consisting of 12 bits & draw the encoded
waveform using Unipolar encoding technique
|
4 marks
|
S11
|
Chap 2
|
Describe skip distance & skip zone
|
4 marks
|
S11
|
Chap 4
|
Describe baud rate & explain how it differs from information bit
rate.
|
4 marks
|
S11
|
Chap 3
|
Compare digital carrier modulation systems, binary ASK ,Binary FSK ,Binary PSK
|
4 MARKS
|
S11
|
Chap 5
|
Why communication satellite is called geostationary satellite.
|
4 marks
|
S11
|
Explain SIN ratio & Noise factor
|
4 marks
|
S11
|
|
Chap 5
|
Describe forward & reverse call processing
|
4 marks
|
S11
|
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