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Differentiate between waveguide and two wire transmission line.

written 5.9 years ago by teamques10 ★ 68k

•   modified 4.7 years ago

advanced communication system

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written 5.8 years ago by teamques10 ★ 68k

•   modified 5.8 years ago

Sr No.	Waveguide	Two wire Transmission line
1	A waveguide is a hollow metallic pipe design to carry microwave energy from one place to another	Transmission on line is a conductor or wire designed to carry electrical energy below microwave range from one place to another
2	Used for Microwave frequency above 1GHz	Used for RF up to 500 in GHz. Upto 18 GHz For short distance.
3	Power handling capacity is high	Power handling capacity is low
4	Wave theory is considered in waveguide analysis	Circuit theory considered in Transmission line
5	The large surface area of waveguide reduces copper losses	Two wire transmission line have large copper losses due to small surface area
6	Dielectric losses are less in waveguide	Dielectric losses are more in Two wire Transmission line
7	It acts as a High Pass Filter	All frequencies can pass through
8	TE and TM modes exist in WG.	TEM mode exists in TL.
9	Wave impedance (characteristic impedance) is a function of frequency.	Characteristic impedance in TL depends on the physical parameters of TL.
10	It is one conductor transmission system. The whole body of the waveguide acts as ground. The wave propagates through multiple reflections from the walls of waveguide (WG).	It consists of two conductors. One or both conductors are used to carry the wave.

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