Ask
Login
TAGGED IN

Advanced Communication System

Follow this tag to get notifications whenever a new post is added

ALL TAGS
9
votes
1
answer
50k
views
1
answer
A glass clad fiber is made with core glass of refractive index 1.5 and the cladding is dopped to give fractional index difference of 0.0005.
advanced communication system updated 4.1 years ago by teamques10 ★ 64k
1
vote
1
answer
28k
views
1
answer
A step index fiber has a numerical aperture of 0.16, a core refractive index of 1.45 and core diameter of 90 mm, calculate (i) The acceptance angle . (ii) the refractive index of cladding.
advanced communication system updated 4.1 years ago by teamques10 ★ 64k
9
votes
1
answer
53k
views
1
answer
Draw and explain the block diagram of fiber optic communication system. List its advantages and disadvantages.
advanced communication system updated 4.1 years ago by teamques10 ★ 64k
1
vote
1
answer
771
views
1
answer
Distinguish between LED and LASER diode on the basis of - (i) Operating principle (ii) Switching time (iii) Spectral width (iv) Life
advanced communication system updated 4.1 years ago by teamques10 ★ 64k
1
vote
1
answer
8.2k
views
1
answer
Describe the antenna subsystem of satellite.
advanced communication system updated 4.1 years ago by teamques10 ★ 64k
6
votes
1
answer
6.0k
views
1
answer
Draw neat block diagram of transmitter unit of mobile handset. State function of APC loop and duplexer unit in unit.
advanced communication system updated 2.4 years ago by teamques10 ★ 64k
2
votes
1
answer
4.7k
views
1
answer
List different display methods used in Radar. Explain any one display method. OR Explain A-scope Display Method with diagram, used in Radar System.
advanced communication system updated 4.1 years ago by teamques10 ★ 64k
0
votes
1
answer
2.8k
views
1
answer
Define with respect to fiber optic cable (i) Numerical Aperture, (ii) Acceptance angle.
advanced communication system updated 4.1 years ago by teamques10 ★ 64k
0
votes
1
answer
1.9k
views
1
answer
How doppler effect can be used to measure speed ? OR What is doppler effect. How doppler effect is used to calculate the relative velocity
advanced communication system updated 4.1 years ago by teamques10 ★ 64k
0
votes
1
answer
3.0k
views
1
answer
Write uplink and downlink frequencies for C-Band, X-Band, Kn-Band & Ka-Band. OR List uplink and downlink frequency for different bands used in satellite communication.
advanced communication system updated 4.1 years ago by teamques10 ★ 64k
0
votes
1
answer
3.2k
views
1
answer
Illustrate how telemetry tracking and command system is used in satellite OR Draw the block diagram of telemetry tracking and command subsysytem and state its principle of operation.
advanced communication system updated 4.1 years ago by teamques10 ★ 64k
0
votes
1
answer
1.6k
views
1
answer
Explain advantages of Satellite communication.
advanced communication system updated 4.1 years ago by teamques10 ★ 64k
0
votes
1
answer
1.4k
views
1
answer
Why is the uplink is more than downlink frequency in satellite communication ?
advanced communication system updated 4.1 years ago by teamques10 ★ 64k
0
votes
1
answer
7.0k
views
1
answer
State two advantages, disadvantages and two applications of continuous wave Radar.
advanced communication system updated 4.1 years ago by teamques10 ★ 64k
0
votes
1
answer
1.3k
views
1
answer
Describe any one antenna used in RADAR.
advanced communication system updated 4.1 years ago by teamques10 ★ 64k
0
votes
1
answer
3.5k
views
1
answer
With neat sketch describe the operation of IMPATT diode.
advanced communication system updated 4.1 years ago by teamques10 ★ 64k
0
votes
1
answer
6.4k
views
1
answer
Describe the working of TWT as an amplifier. Give two applications.Also State any two specifications.
advanced communication system updated 4.1 years ago by teamques10 ★ 64k
0
votes
1
answer
7.8k
views
1
answer
Describe the bunching process in Magnetron with neat diagram.
advanced communication system updated 4.1 years ago by teamques10 ★ 64k
0
votes
1
answer
1.9k
views
1
answer
Sketch the construction of PIN diode and write its operation. OR Draw the construction of PIN diode. Describe working principle.
advanced communication system updated 4.1 years ago by teamques10 ★ 64k
1
vote
1
answer
10k
views
1
answer
Differentiate between waveguide and two wire transmission line.
advanced communication system updated 4.1 years ago by teamques10 ★ 64k
0
votes
1
answer
958
views
1
answer
With suitable. Sketch and waveforms, explain the working of IMPATT diode.
advanced communication system updated 17 months ago by sagarkolekar ★ 11k
0
votes
1
answer
3.5k
views
1
answer
Describe working of directional coupler with neat diagram.
advanced communication system updated 4.1 years ago by teamques10 ★ 64k
0
votes
1
answer
1.4k
views
1
answer
A rectangular waveguide is 5 cm x 2.5 cm. Calculate cutoff freq. of dominant mode.
advanced communication system updated 4.1 years ago by teamques10 ★ 64k
0
votes
1
answer
6.8k
views
1
answer
Draw the construction of microwave circulator and isolator. List applications of each (any two).
advanced communication system updated 4.1 years ago by teamques10 ★ 64k
0
votes
1
answer
12k
views
1
answer
Describe rectangular waveguide in TE and TM mode.
advanced communication system updated 4.1 years ago by teamques10 ★ 64k
<prev • 156 results • page 1 of 7 • next >