Engineering Electromagnetics
9th Edition
ISBN: 9781260029963
Author: Hayt
Publisher: MCG
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Chapter 13, Problem 13.25P
To determine
The length of the guide over which the pulse broadens to twice its initial width.Also, state the step taken to reduce the amount of pulse broadening.
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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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- solve quickly Antenna and Wave Propagation Detemine basic antenna parameters with examples.arrow_forwardProblem 1. Propagation loss and bending loss Assume you design a waveguide that is 3 mm long and experiences 5 bends. If the propagation loss is 3 dB/cm and the bending loss is 0.07 dB per bend. How much insertion loss do you expect?arrow_forwardAn 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. Uarrow_forward
- P 2.7a What will be the cutoff wavelength for dominant mode in rectangular waveguide whose length is 10 cm? (2)arrow_forward(a) Prove that when a carrier is sinusoidally amplitude-modulated by a signal of lower frequency, the resultant wave may be resolved into the carrier and 2-sideband frequencies. (b) A carrierwave with amplitude of 50V and a frequency of 3MHzis Amplitude Modulated by a 10 KHz sinusoidal signal with amplitude of 8V. Sketch the Double Side Band Full Carrier envelope. Sketch the frequency spectrum, indicating the frequencies and mms amplitudes of the various components. Determining the power of the AM wave, if the wave is transmitted via an antenna which has a resistance of 2002. (c) Draw a well labeled block diagram of an electronic communications system. (11) (ii)arrow_forward4- An 80 MHz carrier is -1 frequency modulated by a sinusoidal signal of 1V amplitude and the frequency sensitivity is 100 Hz/. Find the approximate bandwidth of the FM waveform if the modulating signal has a frequency of 10 .kHz.arrow_forward
- Please answer completely what are being asked and please write neatly. Thanks! A 75 MHz carrier having an amplitude of 50 V is modulated by a 3 kHz audio signal that has an amplitude of 20 V. d. Determine the modulation factor. e. What frequencies would show up in a spectrum analysis of the modulated wave? f. Write trigonometric equations for the carrier and the modulating waves.arrow_forwardThe amplitude equations indicate the envelope of the radio-frequency directly. The side band equations refer to the number, amplitude, and phase of the side bands produced by modulation. In the modulation vector equations, corresponding side bands are combined in pairs to form a "modulation vector." This is a r-f magnitude, rotating with the angular velocity of the carrier and its amplitude is simultaneously being changed at an audio rate. The main results derived from a discussion of these equations are: In phase and frequency modulation an infinite number of side bands is produced. Amplitude modulation produces but one pair of side bands. In amplitude modulation the modulation vector, representing the first pair of side bands is in phase with the carrier. In phase and frequency modulation, it is 90 degrees out of phase with respect to the carrier. Frequency modulation is equivalent to a phase modulation in which the phase shift is inversely proportional to the audio frequency. By…arrow_forwardCommunication systemarrow_forward
- 3) Solve the cutoff frequency for the first mode and third mode of WR137 waveguide. TABLE 7.1 Some Standard Rectangular Waveguides Waveguide designation a (in) b (in) t (in) Seo (GHz) Frequency range (GHz) WR975 9.750 4.875 0.125 0.605 0.75-1.12 WR650 6.500 3.250 0.080 0.908 1.12-1.70 WR430 4.300 2.150 0.080 1.375 1.70-2.60 WR284 2.840 1.340 0.080 2.08 2.60-3.95 WR187 1.872 0.872 0.064 3.16 3.95-5.85 WR137 1.372 0.622 0.064 4.29 5.85-8.20 WR90 0.900 0.450 0.050 6.56 8.2-12.4 WR62 0.622 0.311 0.040 9.49 12.4-18arrow_forwardAn air- filled rectangular waveguide has dimensions of a 6 cm and b-4 cm. the signal frequency is 3 GHz. Compute the following for TE10, TE01, TE11 and TM₁1 modes. a- cutoff frequency. b- wavelength in the waveguide. c-phase constant and phase velocity in the waveguide.arrow_forwardA 10 MHz carrier signal is frequency modulated by a sinusoidal signal of unity amplitude and with a FM frequency deviation constant k = 10 Hz/V. Find the approximate bandwidth of the frequency modulated signal if the modulating frequency (single tone) is 10 kHz.arrow_forward
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