6- IF the modulation index of FM signal is 2, the number of significant sidebands which greater than 1% of unmodulated carrier is? (Follow the table in the last page) a) 4 sidebands b) 6 sidebands c) 8 sidebands d) 10 sidebands n 0 1 2 3 4 5 6 7 8 9 10 11 3.1 TABLE OF BESSEL FUNCTION VALUES B = 0.1 B=0.2 B = 0.5 B = 1 0.997 0.990 0.765 0.050 0.100 0.440 0.001 0.005 0.115 0.020 0.002 0.938 0.242 0.031 B=2 0.224 0.577 0.353 0.129 0.034 0.007 0.001 B=5 -0.178 0.172 -0.328 0.235 0.047 -0.113 0.365 -0.291 0.391 -0.105 0.261 0.131 0.053 0.018 0.006 0.001 8=8 12 13 14 15 16 (From Ziemer and Tranter: © 1990 Houghton Mifflin, reprinted by permission.) 0.186 0.338 0.321 0.223 0.126 0.061 0.026 0.010 0.003 0.001 10 B = 10 -0.246 0.043 0.255 0.058 -0.220 -0.234 -0.014 0.217 0.318 0.292 0.207 0.123 0.063 0.029 0.012 0.004 0.001

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6- IF the modulation index of FM signal is 2, the number of significant sidebands which
greater than 1% of unmodulated carrier is? (Follow the table in the last page)
a) 4 sidebands
b) 6 sidebands
c) 8 sidebands
d)
10 sidebands
n
0
1
2
3
4
5
6
7
8
9
10
11
3.1 TABLE OF BESSEL FUNCTION VALUES
B = 0.1 B=0.2
B = 0.5
B = 1
0.997
0.990
0.765
0.050
0.100
0.440
0.001
0.005
0.115
0.020
0.002
0.938
0.242
0.031
B=2
0.224
0.577
0.353
0.129
0.034
0.007
0.001
B=5
-0.178
0.172
-0.328
0.235
0.047
-0.113
0.365
-0.291
0.391 -0.105
0.261
0.131
0.053
0.018
0.006
0.001
12
13
14
15
16
(From Ziemer and Tranter: © 1990 Houghton Mifflin, reprinted by permission.)
8=8
0.186
0.338
0.321
0.223
0.126
0.061
0.026
0.010
0.003
0.001
10
B = 10
-0.246
0.043
0.255
0.058
-0.220
-0.234
-0.014
0.217
0.318
0.292
0.207
0.123
0.063
0.029
0.012
0.004
0.001
Transcribed Image Text:6- IF the modulation index of FM signal is 2, the number of significant sidebands which greater than 1% of unmodulated carrier is? (Follow the table in the last page) a) 4 sidebands b) 6 sidebands c) 8 sidebands d) 10 sidebands n 0 1 2 3 4 5 6 7 8 9 10 11 3.1 TABLE OF BESSEL FUNCTION VALUES B = 0.1 B=0.2 B = 0.5 B = 1 0.997 0.990 0.765 0.050 0.100 0.440 0.001 0.005 0.115 0.020 0.002 0.938 0.242 0.031 B=2 0.224 0.577 0.353 0.129 0.034 0.007 0.001 B=5 -0.178 0.172 -0.328 0.235 0.047 -0.113 0.365 -0.291 0.391 -0.105 0.261 0.131 0.053 0.018 0.006 0.001 12 13 14 15 16 (From Ziemer and Tranter: © 1990 Houghton Mifflin, reprinted by permission.) 8=8 0.186 0.338 0.321 0.223 0.126 0.061 0.026 0.010 0.003 0.001 10 B = 10 -0.246 0.043 0.255 0.058 -0.220 -0.234 -0.014 0.217 0.318 0.292 0.207 0.123 0.063 0.029 0.012 0.004 0.001
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