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Advanced Communication System

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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 2.9 years ago by teamques10 ★ 46k
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Describe losses in optical fiber. OR List the different losses occur in optical fiber. Describe any one loss with diagram.
advanced communication system updated 2.9 years ago by teamques10 ★ 46k
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708
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Draw the neat sketch of hybrid junction, illustrate its properties.
advanced communication system updated 12 months ago by sagarkolekar ★ 10k
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Draw neat block diagram of transmitter unit of mobile handset. State function of APC loop and duplexer unit in unit.
advanced communication system updated 13 months ago by teamques10 ★ 46k
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Describe the antenna subsystem of satellite.
advanced communication system updated 2.9 years ago by teamques10 ★ 46k
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Describe call processing in GSM system with suitable diagram. OR Describe various stages of call processing in GSM system with the help of neat diagram.
advanced communication system updated 13 months ago by teamques10 ★ 46k
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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 2.9 years ago by teamques10 ★ 46k
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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 2.9 years ago by teamques10 ★ 46k
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Define with respect to fiber optic cable (i) Numerical Aperture, (ii) Acceptance angle.
advanced communication system updated 2.9 years ago by teamques10 ★ 46k
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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 2.9 years ago by teamques10 ★ 46k
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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 2.9 years ago by teamques10 ★ 46k
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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 2.9 years ago by teamques10 ★ 46k
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Explain advantages of Satellite communication.
advanced communication system updated 2.9 years ago by teamques10 ★ 46k
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Why is the uplink is more than downlink frequency in satellite communication ?
advanced communication system updated 2.9 years ago by teamques10 ★ 46k
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502
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With suitable. Sketch and waveforms, explain the working of IMPATT diode.
advanced communication system updated 9 weeks ago by sagarkolekar ★ 10k
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Describe any one antenna used in RADAR.
advanced communication system updated 2.9 years ago by teamques10 ★ 46k
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With neat sketch describe the operation of IMPATT diode.
advanced communication system updated 2.9 years ago by teamques10 ★ 46k
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Describe the working of TWT as an amplifier. Give two applications.Also State any two specifications.
advanced communication system updated 2.9 years ago by teamques10 ★ 46k
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Describe the bunching process in Magnetron with neat diagram.
advanced communication system updated 2.9 years ago by teamques10 ★ 46k
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Sketch the construction of PIN diode and write its operation. OR Draw the construction of PIN diode. Describe working principle.
advanced communication system updated 2.9 years ago by teamques10 ★ 46k
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Differentiate between waveguide and two wire transmission line.
advanced communication system updated 2.9 years ago by teamques10 ★ 46k
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Describe working of directional coupler with neat diagram.
advanced communication system updated 2.9 years ago by teamques10 ★ 46k
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1.1k
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A rectangular waveguide is 5 cm x 2.5 cm. Calculate cutoff freq. of dominant mode.
advanced communication system updated 2.9 years ago by teamques10 ★ 46k
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3.8k
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Draw the construction of microwave circulator and isolator. List applications of each (any two).
advanced communication system updated 2.9 years ago by teamques10 ★ 46k
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Describe rectangular waveguide in TE and TM mode.
advanced communication system updated 2.9 years ago by teamques10 ★ 46k
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