Engineering Electromagnetics
9th Edition
ISBN: 9781260029963
Author: Hayt
Publisher: MCG
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Chapter 13, Problem 13.21P
To determine
The guide dimensions, a and b.
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An air-filled rectangular waveguide is to be constructed for single-mode operation at
15GHz. Specify the guide dimensions a and b, such that the design frequency is 10 percent
higher than the cutoff frequency for the TE10 mode, while being 10 percent lower than the cutoff
frequency for the next-higher-order mode.
U
Problem 4
to separate ITU channel 59 using a fiber Bragg grating (FBG) and an optical circulator.
The FBG is made from a fiber with an effective index of refraction of the core of 1.48 at
You are to implement a simple one-channel demultiplexer
ITU channel 59.
a.) Draw a diagram of the demultiplexer
b.) Calculate the periodicity of the index of refraction modulation in the core of the
FBG fiber
P6
Chapter 13 Solutions
Engineering Electromagnetics
Ch. 13 - The conductors of a coaxial transmission line are...Ch. 13 - Prob. 13.2PCh. 13 - Prob. 13.3PCh. 13 - Find R, L, C, and G for a two-wire transmission...Ch. 13 - Prob. 13.5PCh. 13 - Consider an air-filled coaxial transmission line...Ch. 13 - Pertinent dimensions for the transmission line...Ch. 13 - A transmission line constructed from perfect...Ch. 13 - Prob. 13.9PCh. 13 - Two microstrip lines are fabricated end-to-end on...
Ch. 13 - Prob. 13.11PCh. 13 - Prob. 13.12PCh. 13 - Prob. 13.13PCh. 13 - Prob. 13.14PCh. 13 - For the guide of Problem 13.14, and at the 32 GHz...Ch. 13 - Prob. 13.16PCh. 13 - A parallel-plate guide is partially filled with...Ch. 13 - Prob. 13.18PCh. 13 - Prob. 13.19PCh. 13 - Two rectangular waveguides are joined end-to-end....Ch. 13 - Prob. 13.21PCh. 13 - Consider the TE11 mode in a rectangular guide...Ch. 13 - Prob. 13.23PCh. 13 - Prob. 13.24PCh. 13 - Prob. 13.25PCh. 13 - Prob. 13.26PCh. 13 - Prob. 13.27PCh. 13 - Prob. 13.28PCh. 13 - An asymmetric slab waveguide is shown in Figure...Ch. 13 - A step index optical fiber is known to be single...Ch. 13 - Prob. 13.31PCh. 13 - Prob. 13.32P
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- Discuss the key parameters to be considered in the design of a microwave link.arrow_forward5. When an open circuit load is attached to one end of a transmission line, the voltage will be the maximum value while the current will be zero at the load position. Here our question, what will the voltage and current become if we move back by a quarter wavelength on the transmission line?arrow_forward10) This MCQ QUESTION FROM ANTENNA ENGINEERING course.arrow_forward
- [Q5](A) A rectangular air-filled copper waveguide, shown in the Figure, with dimension 2x1 cm is operated at 9 GHz with TE dominant mode. Determine the following: 1- The propagation constant. 2- The cut off frequency 3- The cut off wave length. The waveguide wave length. - The waveguide phase velocity 6- The Wave impedance b: 10 aarrow_forwardThe power of operating frequency in AM station is 145 W, and there is 89% modulation depth. (assuming single side band suppressed carrier). What is the power of the side bands?arrow_forwardQL. An indirect Armstrong method is used to produce a wideband frequency modulated signal with carrier frequency of 100 MHz and maximum frequency deviation of 75 kHz. In this Armstrong modulator circuit, a narrowband Frequency Modulation modulator is used to produce an initial carrier frequency of 10 kHz and frequency deviation of 36.62 Hz. (1) With the aid of block diagram, determine the value of the required frequency multiplier (using only a single multiplier) and possible local oscillator frequencies.arrow_forward
- (V.3) A common commercial size of rectangular hollow-conductor waveguide has (inner) dimensions a = 2.286 cm by b = 1.016 cm. (a) What is the single-mode bandwidth of this size waveguide frequency range (in gigahertz) within which the TE10 mode propagates but the next higher mode does not? [Most practical waveguide systems are operated under this single-mode condition.] that is, what is the (b) The maximum field strength that air can support without breakdown is about 50,000 V/cm (at standard atmospheric pressure). What is the maximum power that can be trans- mitted by this size waveguide at frequencies within the single-mode band?arrow_forwardSubject:communication. Need solutionarrow_forward13.21 An air-filled rectangular waveguide is to be constructed for single-mode operation at 15 GHz. Specify the guide dimensions, a and b, such that the design frequency is 10 percent higher than the cutoff frequency for the TE10 mode, while being 10 percent lower than the cutoff frequency for the next-higher-order mode.arrow_forward
- Q2. A circular copper waveguide has a radius of 0.6 cm and is filled with a Teflon having & 2.25 and tan 8-0.0002. Identify the first four propagating modes and their cutoff frequencies. For the dominant mode, calculate the total attenuation at 12 GHz.arrow_forward4. Determine the unmodulated carrier power for the FM modulator given that =1, Vc=10 V, R = 50 2. Then, determine the total power in the angle-modulated wave. Solution: not exactly equal because values in Bessel table have been rounded off.arrow_forwardI need handwritten correct fastarrow_forward
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