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3.4 A 75 2 transmitting aerial, operating at 500 MHz, is connected to the transmitter by a 6 m length of coaxial cable of 75 characteristic impedance. A cable fault causes an effective capacitance of 4.244 pF to be in series with the line at a distance of 2 m from the aerial. Calculate the value of the voltage-reflection coefficient on the cable (a) at the fault, and (b) at the input to the line. Also calculate the power delivered to the aerial before and after the fault occurs if the transmitter power output is 30 W.

3.4 A 75 2 transmitting aerial, operating at 500 MHz, is connected to the transmitter by a 6 m length of coaxial cable of 75 characteristic impedance. A cable fault causes an effective capacitance of 4.244 pF to be in series with the line at a distance of 2 m from the aerial. Calculate the value of the voltage-reflection coefficient on the cable (a) at the fault, and (b) at the input to the line. Also calculate the power delivered to the aerial before and after the fault occurs if the transmitter power output is 30 W.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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The answers according to the book are (a) 0.45 < - 63°, (b) 0.45 < - 178°, 30 W, 23.93 W
3.4 A 75 2 transmitting aerial, operating at 500 MHz, is connected to the transmitter by a 6 m length of coaxial cable of 75 characteristic impedance. A cable fault causes an effective capacitance of 4.244 pF to be in series with the line at a distance of 2 m from the aerial. Calculate the value of the voltage-reflection coefficient on the cable (a) at the fault, and (b) at the input to the line. Also calculate the power delivered to the aerial before and after the fault occurs if the transmitter power output is 30 W.
Transcribed Image Text:3.4 A 75 2 transmitting aerial, operating at 500 MHz, is connected to the transmitter by a 6 m length of coaxial cable of 75 characteristic impedance. A cable fault causes an effective capacitance of 4.244 pF to be in series with the line at a distance of 2 m from the aerial. Calculate the value of the voltage-reflection coefficient on the cable (a) at the fault, and (b) at the input to the line. Also calculate the power delivered to the aerial before and after the fault occurs if the transmitter power output is 30 W.
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