Terminated transmission line. A 502, 10.5-m long air transmission line terminated with a load impedance of Z = 70 +j102 is excited by a sinusoidal voltage source, as shown in Figure 3.71. (a) Calculate the load reflection coefficient IL and the standing wave ratio S on the line. (b) Find all the Vmax and Vmin positions (in actual lengths) on the line. (c) Find all the Imax and Imin positions on the line. (d) Find the input impedance Zin seen at each Vmax and Vmin position. (e) Find the line impedance Z (z) seen at the source end of the line and draw the equivalent lumped circuit with respect to the source end. (f) Find the phasor voltages V,, V+, V¯, and VL. (g) Find the Vmax and Vmin values. (h) Find the Imax and Imin values. (i) Find the time-average powers P+, P¯, Pr,, PL, and Psource- What percentage of the power carried by the incident wave reflects back towards the source? G) Repeat parts (a) through (i) for a load impedance of Z = 15 – j352. 1= 10.5 m 500 Air line Vo = 10e/0 v (f= 300 MHz) Zo= 502 VL ZĻ = 70 + j102 Figure 3.71 Terminated transmission line. Problem 3.25.
Terminated transmission line. A 502, 10.5-m long air transmission line terminated with a load impedance of Z = 70 +j102 is excited by a sinusoidal voltage source, as shown in Figure 3.71. (a) Calculate the load reflection coefficient IL and the standing wave ratio S on the line. (b) Find all the Vmax and Vmin positions (in actual lengths) on the line. (c) Find all the Imax and Imin positions on the line. (d) Find the input impedance Zin seen at each Vmax and Vmin position. (e) Find the line impedance Z (z) seen at the source end of the line and draw the equivalent lumped circuit with respect to the source end. (f) Find the phasor voltages V,, V+, V¯, and VL. (g) Find the Vmax and Vmin values. (h) Find the Imax and Imin values. (i) Find the time-average powers P+, P¯, Pr,, PL, and Psource- What percentage of the power carried by the incident wave reflects back towards the source? G) Repeat parts (a) through (i) for a load impedance of Z = 15 – j352. 1= 10.5 m 500 Air line Vo = 10e/0 v (f= 300 MHz) Zo= 502 VL ZĻ = 70 + j102 Figure 3.71 Terminated transmission line. Problem 3.25.
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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