EC8651 Question Bank Transmission Lines and RF Systems
EC8651 Question Bank Transmission Lines and RF Systems Regulation 2017 Anna University free download. Transmission Lines and RF Systems Question Bank EC8651 pdf free download.
Sample EC8651 Question Bank Transmission Lines and RF Systems
1. Obtain the general transmission line equation for the voltage and current at any point on a transmission line.
(13)
BTL 1
Remembering
2.
(i)
Outline the expression for the attenuation and phase constants after obtaining an expression for the characteristic impedance.
(7)
BTL 1
Remembering
(ii)
How to solve the Campbell’s equation for the loading cables?
EC8651 Question Bank Transmission Lines and RF Systems
Discuss in detail about inductance loading of telephone cables and recall the attenuation constant, phase constant and velocity of signal transmission for the uniformly loaded cable.
EC8651 Question Bank Transmission Lines and RF Systems
Describe about the reflection on a line not terminated in its characteristic impedance.
(6)
4.
(i)
What is a loading? Specify the types of loading of lines.
EC8651 Question Bank Transmission Lines and RF Systems
Write a short note on reflection factor and reflection loss and give expressions.
(6)
5.
(i)
Explain in detail about the waveform distortion and also derive the condition for distortion less line.
(7)
BTL 2
Understanding
(ii)
Predict the expression for open and short circuited impedance.
(6)
6.
(i)
Identify the conditions (α, β) required for a distortion less line.
EC8651 QB Transmission Lines and RF Systems
A distortion less transmission line has attenuation constant α=1.15×10-2 Np/m, and capacitance of 0.01 nF/m. the characteristic resistance L/C=50Ω. Identify the resistance, inductance and conductance per more of the line.
(6)
| Subject name | Transmission Lines and RF Systems |
| Short Name | TLRFS |
| Semester | 6 |
| Subject Code | EC8651 |
| Regulation | 2017 regulation |
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