EC2305 TRANSMISSION LINES AND WAVEGUIDES PDF

Dear students here we provide notes for Anna university 5th sem Subject EC TRANSMISSION LINES AND WAVEGUIDES Lecture Notes pdf. you can . ec transmission lines and waveguides notesANNA UNIVERSITY ECE 5TH SEMESTERDETAILS: SUBJECT NAME: transmission lines. Imp Ec – Transmission Lines and Waveguides – Free download as PDF File .pdf), Text File .txt) or read online for free.

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Parallel plate wave guide consists of two conducting sheets separated by a dielectric material. What transmossion resonant frequency of microwave resonator?

What are degenerate modes in a rectangular waveguide? What is the dominant mode for TM waves in a circular waveguide The dominant mode for TM waves in a circular waveguide is the TM01 because it has the lowest root value of 2. What are the root values for the TE modes?

The possible TE modes in a circular waveguide are: So for proper maximum power transfer, the impedances in the sending and receiving end are matched. The presence of electric field gives rise waveguidrs a capacitance value and the presence of magnetic field gives rise to a inductance value and the finite conductivity in the walls gives rise to loss along the walls giving rise to a resistance value.

What is the nature and waveguidse of Z0 for the dissipation less line?

What is the dominant mode wavetuides TE waves in a circular waveguide The dominant mode for TE waves in a circular waveguide is the TE11 because it has the lowest root value of 1. Waveguides usually take the form of rectangular or circular cylinders because of its simpler forms in use and less expensive to manufacture.

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EC2305 Transmission Lines and Wave guides QUESTION PAPER

Derive the TM wave components in circular wave guides using Bessel functions? This application makes se of the fact that the input impendence of a quarter. What is a distortion less line? What is the application of the quarter wave matching section? It is also called as flat line. A finite line is a line having a finite wavetuides on the line.

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TEM wave is a special type of TM wave in which an electric field E along the direction of propagation is also zero. Find the following for the TE1o made z 1 Cutoff frequency 2 Phase and group velocity. What are the root values for the TM modes? The root values for the TM modes are: Explain about voltage and current waveform of dissipation less line? For a perfect line, the resistance and the leakage conductance value were neglected. Resonant frequency of microwave resonator is the frequency at which the energy in the resonator attains maximum value.

Because the TE10 mode has the lowest attenuation of all modes in a rectangular waveguide and its electric field is definitely polarized in one direction everywhere. Derive the expression for the resonant frequency of the circular cavity resonator? Rectangular or circular cavities can be used as microwave resonators because they have natural resonant frequency and behave like a LCR circuit. Derive the Q-factor of a rectangular cavity resonator? Documents Flashcards Grammar checker.

Thus the cavity resonator can be represented by a equivalent LCR circuit and have a natural resonant frequency Explain impendence matching using stub. The electromagnetic energy is stored in the entire volume of the cavity in the form of electric and magnetic fields. The quality factor Q is a measure of frequency selectivity of the resonator.

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Find the additional inductance to give distortion-less transmission. The leakage conductance G is zero The ratio of the maximum to minimum magnitudes of current or voltage on a line having standing wave is called the standing-wave ratio S. What is delay distortion?

This is called double stub matching. If this is the case, the there occurs frequency and phase distortion in the line. Resonator is a tuned circuit which resonates at a particular frequency at which the energy stored in the electric field is equal to the energy stored in the magnetic field.

What are the secondary constants of a line? What are guided waves? Single stub matching is useful for a fixed frequency. List the applications of the smith chart. Some of the higher order modes, having the same cut off frequencyare called degenerate modes. Circular waveguides are used as attenuators and phase-shifters Parallel wire, transmission lines The dominant mode of a circular resonator depends on the dimensions of the cavity.

The root values for the TE modes are: What is a parallel plate wave guide? Why is TM01 mode preferred to the TE01 mode in a circular waveguide? What are standing waves?