Consider the system shown below. Square-law y(1) device z(1) BPF An FM signal u(t) = 5 cos(210r+sin 20000zt) is input to a square-law device defined by y()= 2u (1). The center frequency of the bandpass filter is 2,03MHZ and the bandwidth is 10KHZ. Find the effective bandwidth of the modulated signal u(t). Determine the output z(1), its power and sketch its magnitude spectrum. A-0.1 P-02 A-0.5 A- 8 A- 10 0.997 0.990 0.100 0.005 0.938 0.242 0.031 0.765 0440 0.224 -0.178 -0.328 0.172 -0.246 0.050 0.001 0577 0353 0.129 0.034 0.007 0.001 0.235 -0.113 0.043 0.255 0.058 -0.220 -0.234 -0.014 0.217 0.318 0.292 2. 0.020 0.002 0.047 0.365 -0.291 4 0.391 0.261 0131 0.053 -0.105 0.186 0.338 7. 0.321 0.223 0.126 0.061 0.026 0.010 0.003 0.001 0.018 10 11 0.006 0.001 0.207 0.123 0.063 0.029 0.012 0.004 0.001 12 13 14 15 16

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Consider the system shown below.
u(1)
y(1)
z(1)
Square-law
device
BPF
An FM signal u(1) = 5 cos(2r10°t+sin 20000zt) is input to a square-law device
defined by y(1) = 2u* (t). The center frequency of the bandpass filter is 2.03MHZ
and the bandwidth is 10KHZ.
Find the effective bandwidth of the modulated signal u(t).
Determine the output z(1), its power and sketch its magnitude
spectrum.
A-0.1
A=0.2
80.5
A=1
A- 10
0.997
0.990
0.100
0.005
0.938
0.242
0.031
0.765
0.440
0224
0577
0353
0.129
0.034
0.007
0.001
-0.178
-0.328
0.047
0.365
0.391
0.261
0.172
0.235
-0.113
-0.246
1
0.050
0.001
0.043
0.255
0.020
-0.291
-0.105
0.186
0.338
0.321
0.223
0.126
0.061
0.026
0.010
0.003
0.058
-0220
4
0.002
6.
-0.234
0.131
0.053
0.018
0.006
0.001
-0.014
0.217
0.318
0.292
10
11
0.207
0.123
0.063
0.029
0.012
0.004
12
13
14
15
16
0.001
0.001
Transcribed Image Text:Consider the system shown below. u(1) y(1) z(1) Square-law device BPF An FM signal u(1) = 5 cos(2r10°t+sin 20000zt) is input to a square-law device defined by y(1) = 2u* (t). The center frequency of the bandpass filter is 2.03MHZ and the bandwidth is 10KHZ. Find the effective bandwidth of the modulated signal u(t). Determine the output z(1), its power and sketch its magnitude spectrum. A-0.1 A=0.2 80.5 A=1 A- 10 0.997 0.990 0.100 0.005 0.938 0.242 0.031 0.765 0.440 0224 0577 0353 0.129 0.034 0.007 0.001 -0.178 -0.328 0.047 0.365 0.391 0.261 0.172 0.235 -0.113 -0.246 1 0.050 0.001 0.043 0.255 0.020 -0.291 -0.105 0.186 0.338 0.321 0.223 0.126 0.061 0.026 0.010 0.003 0.058 -0220 4 0.002 6. -0.234 0.131 0.053 0.018 0.006 0.001 -0.014 0.217 0.318 0.292 10 11 0.207 0.123 0.063 0.029 0.012 0.004 12 13 14 15 16 0.001 0.001
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