Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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The following input impedance curves have been measured for a straight wire antenna as
a function of frequency. The rectangular-shaded area on the left side graphs are
magnified on the right side graphs to read the values clearly.
Input Impedance (9)
1200
900
600
300
0
-300
-600
-900
-1200
Rin-Xin
Rin=002
to3
Xin 052
SCAM
| Xin= -77062
-Rin=1070
1.6
f(GHz)
magnified
Input Impedance (92)
200Rin-Xin
150
100
50
0
-50
-100
-150
-200
Rin-195.0
Rin-73 2
| Xin–8712
Xin 022
V
What is the VSWR, on a 500 transmission line feeding this antenna at (a) 0.3 GHz,
(b) 0.9 GHz, (c) 1 GHz, and (d) 1.6 GHz?
If (GHz)
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Transcribed Image Text:The following input impedance curves have been measured for a straight wire antenna as a function of frequency. The rectangular-shaded area on the left side graphs are magnified on the right side graphs to read the values clearly. Input Impedance (9) 1200 900 600 300 0 -300 -600 -900 -1200 Rin-Xin Rin=002 to3 Xin 052 SCAM | Xin= -77062 -Rin=1070 1.6 f(GHz) magnified Input Impedance (92) 200Rin-Xin 150 100 50 0 -50 -100 -150 -200 Rin-195.0 Rin-73 2 | Xin–8712 Xin 022 V What is the VSWR, on a 500 transmission line feeding this antenna at (a) 0.3 GHz, (b) 0.9 GHz, (c) 1 GHz, and (d) 1.6 GHz? If (GHz)
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