EC6503 TLWG Notes
Anna University Regulation 2013 Electronic Communications Engineering (ECE) EC6503 TLWG Notes for all 5 units are provided below. Download link for ECE 5th SEM EC6503 TRANSMISSION LINES AND WAVE GUIDES Lecture Notes are listed down for students to make perfect utilization and score maximum marks with our study materials.
EC6503 – TRANSMISSION LINES AND WAVE GUIDES
INTRODUCTION TO TRANSMISSION LINE THEORY
Transmission Lines and Waveguides
A TRANSMISSION LINE is a device designed to guide electrical energy from one point to another. It is used, for example, to transfer the output rf energy of a transmitter to an antenna. This energy will not travel through normal electrical wire without great losses. Although the antenna can be connected directly to the transmitter, the antenna is usually located some distance away from the transmitter.
On board ship, the transmitter is located inside a radio room, and its associated antenna is mounted on a mast. A transmission line is used to connect the transmitter and the antenna. The transmission line has a single purpose for both the transmitter and the antenna. This purpose is to transfer the energy output of the transmitter to the antenna with the least possible power loss. How well this is done depends on the special physical and electrical characteristics (impedance and resistance) of the transmission line.
The electrical characteristics of a two-wire transmission line depend primarily on the construction of the line. The two-wire line acts like a long capacitor. The change of its capacitive reactance is noticeable as the frequency applied to it is changed.
Since the long conductors have a magnetic field about them when electrical energy is being passed through them, they also exhibit the properties of inductance. The values of inductance and capacitance presented depend on the various physical factors that we discussed earlier.
For example, the type of line used, the dielectric in the line, and the length of the line must be considered. The effects of the inductive and capacitive reactance of the line depend on the frequency applied. Since no dielectric is perfect, electrons manage to move from one conductor to the other through the dielectric.
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Anna University 5th SEM ECE TLWG Lecture Notes
EC6503 TRANSMISSION LINES AND WAVE GUIDES Notes free download
Anna University ECE TLWG Notes Regulation 2013
EC6503 Notes, TLWG Unit wise Lecture Notes – ECE 5th Semester