Fundamentals of Electromagnetics with Engineering Applications
5th Edition
ISBN: 9780471263555
Author: Stuart M. Wentworth
Publisher: John Wiley & Sons
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Textbook Question
Chapter 9, Problem 9.25P
Determine the insertion loss at 40 MHz for a -filter inserted between a
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Determine the carrier to noise ratio for a receiver with a receive power value of -80dBW, the equivalent noise temperature is 240K and the bandwidth of the receiver is 10Mhz, consider that the ambient temperature is 290K.
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Chapter 9 Solutions
Fundamentals of Electromagnetics with Engineering Applications
Ch. 9 - Given a 2.0-cm length of AWG20 copper wire, (a)...Ch. 9 - Recalculate L, Cx, and fSRF if the AWG3O wire for...Ch. 9 - Estimate L and the SRF if a 99.8% iron core is...Ch. 9 - Prob. 9.5PCh. 9 - Prob. 9.6PCh. 9 - Prob. 9.7PCh. 9 - If the 2.2-nF capacitor of Example 9.3 has an area...Ch. 9 - Prob. 9.9PCh. 9 - What is the spectral bandwidth for a 4.0-ns rise...Ch. 9 - Prob. 9.11P
Ch. 9 - Prob. 9.13PCh. 9 - Repeat Example 9.5 using AWG22 wire and 200-MHz...Ch. 9 - Prob. 9.15PCh. 9 - Prob. 9.16PCh. 9 - Prob. 9.17PCh. 9 - Shielding low-frequency magnetic fields often...Ch. 9 - Prob. 9.21PCh. 9 - Prob. 9.22PCh. 9 - Prob. 9.23PCh. 9 - Prob. 9.24PCh. 9 - Determine the insertion loss at 40 MHz for a...
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- Sketch the Z-plane pole- Zero plot for this filter.arrow_forwardCompile a table comparing the various amplitude modulation schemes (conventional, DSB-SC, SSB-SC) in terms of their power efficiency, bandwidth requirement, and the cost and complexity of the corresponding transmitters and receivers?arrow_forwardUsing a 15-k(ohm) resistance, design an RC high-pass filter with a breakpoint at 200-kHz.arrow_forward
- -The modulating signal 2cos (2 π×103 t) is used to modulate a carrier signal 40cos (2 π×104t). Evaluate the modulation index, percentage modulation, frequency of side band components and their amplitudes .What is the bandwidth of a modulating signal.arrow_forwardfor an unmodulated carrier amplitude of 16 Vp and a modulation coefficient of m= 0.4, determine the amplitudes of the modulated carrier and side frequenciesarrow_forwardFor a message signal m(t)= 2 cos 1000t + 8cos 2000πt, (a)Write analytical expressions for FM and PM signals when A=10, ωc= 106, kf=1000π and kp=1. (b) Estimate the bandwidth for the FM and PM system.arrow_forward
- Digital MPSK transmissions carried on a 6GHZ terrestrial link require a bandwidth of 24MHz. The transmitter carrier power level is 10W and the hop distance is 40Km. The antennas used each have a 40dB gain and filter, isolator and feeder losses of 4dB. Prove that the received power is equal to -28dBm.arrow_forwardA transmitter has a power of 207 mW and transmits at 2.4 GHz to a receiver at the distance of 101 meters. Cable loss is 3 dB and antenna gain is 3 dBi on both TX and RX sides. On the receiver side, we measure a total noise power of -91 dBm. What is the SNR in dB at the receiver? Calculate up to 1 decimal point. Hint: SNR(db)=RSSI-Noise powerarrow_forwardAnswer the Following and provide solution. 1. The maximum frequency deviation of the carrier is ± 15 kHz and the maximum modulating frequency is 3 kHz, calculate for the modulation index. 2. Assume that the 60-dB bandwidth of a receiver is 12 kHz and the 6-dB bandwidth is 7 kHz. What is the shape factor of the circuit? 3. What is the bandwidth of a receiver with a quality factor of 50 and a resonance frequency of 540 kHz. 4. What is the maximum bandwidth of an FM signal with a deviation of 27 kHz and a maximum modulating signal of 4 kHz as determined by Carson’s rule? 5. A PM signal has a maximum allowed deviation of 17 kHz and an actual deviation of 8 kHz. What is the percentage modulation?arrow_forward
- A person with a receiver is 5 km away from the transmitter. What is the distance that this person must move further to detect a 3 — dB decrease in signal strength?arrow_forward1-Derive the relationship between the Bandwidth and frequency deviation of the system.2. Calculate the Bandwidth (BW) of the system using the selected parameters. 3- Calculate Signal-to-noise (SNR) at the Output of the receiver. 4- Indicate the sidebands in the modulated signal spectrum. NOTE: The Carrier frequency used in the FM communication system is 43.67 MHz. The other parameters are given in imagearrow_forward1. Which system has the best projected BER? 2. An earth station satellite transmitter has an HPA with a rated saturated output power of 10,000 W. The back-off ratio is 6 dB, the branching loss is 2 dB, the feeder loss is 4 dB, and the antenna gain is 40 dB. Determine the actual radiated power and the EIRP.arrow_forward
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