2- What is the difference between narrowband FM and wideband FM refer to the spectral component of the two signals.

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Author:Robert L. Boylestad
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2- What is the difference between narrowband FM and wideband FM refer to
the spectral component of the two signals.

T2
T,
T,
T,
-v
-v
(a) Sound Wave
(intelligence signal)
(a) Sound Wave
(intelligence signal)
+V
A
(b) Frequency Modulation (FM)
-V
Carrier or
rest frequency
(d) Amplitude Modulation (AM)
+f
(c) Frequency Versus Time in FM
Figure (1) FM signal vs. AM signal.
Transcribed Image Text:T2 T, T, T, -v -v (a) Sound Wave (intelligence signal) (a) Sound Wave (intelligence signal) +V A (b) Frequency Modulation (FM) -V Carrier or rest frequency (d) Amplitude Modulation (AM) +f (c) Frequency Versus Time in FM Figure (1) FM signal vs. AM signal.
50
-K-
1
cos
FM signal
kf
Integrator
Trigonometric
Function
Ac
Message signal
100
fe
Figure (2): FM Modulation.
butter
50
+1
Continuous-Time
VCO
Cos
Matrix
2n
Multiply
Trigonometric
Funcion
Messaze signal
Integrator
Matrix Muliply
Analog
Fiter Design
Cortinuous-Time
VCO
100
fe
Scope1
Figure (3): FM Demodulation.
Transcribed Image Text:50 -K- 1 cos FM signal kf Integrator Trigonometric Function Ac Message signal 100 fe Figure (2): FM Modulation. butter 50 +1 Continuous-Time VCO Cos Matrix 2n Multiply Trigonometric Funcion Messaze signal Integrator Matrix Muliply Analog Fiter Design Cortinuous-Time VCO 100 fe Scope1 Figure (3): FM Demodulation.
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