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Question FM (a) A signal carrier v(t)=100 cos(2×10³t) is modulated by frequency modulation (FM) by a tone signal. For this modulator, the tone amplitude 2 Volt produce deviation of 0.3 kHz. If the tone signal is v(t) = 2.5 cos(4×10³), justify: (i) (ii) (iii) (iv) (v) (vi) The sensitivity of the modulator, kj Maximun deviation frequency, Af Whether this modulated signal is a narrowband FM signal or broadband FM signal? The FM modulated signal equation The bandwidth required to use Carson method Design a block diagram of a transmitter with the values required if the FM modulated signal above is required to be at a carrier frequency of 104 MHz and has a maximum deviation frequency of 75 kHz. You are given only ONE component each to design the diagram: filter, coefficient, oscillator and a mixer. (vii) If there is another FM station transmitter that operates at a frequency of 104.1 MHz with the same attribution as station 1(vi) above, discuss the effect of the FM signal radiated from this station. Solution:

Question FM (a) A signal carrier v(t)=100 cos(2×10³t) is modulated by frequency modulation (FM) by a tone signal. For this modulator, the tone amplitude 2 Volt produce deviation of 0.3 kHz. If the tone signal is v(t) = 2.5 cos(4×10³), justify: (i) (ii) (iii) (iv) (v) (vi) The sensitivity of the modulator, kj Maximun deviation frequency, Af Whether this modulated signal is a narrowband FM signal or broadband FM signal? The FM modulated signal equation The bandwidth required to use Carson method Design a block diagram of a transmitter with the values required if the FM modulated signal above is required to be at a carrier frequency of 104 MHz and has a maximum deviation frequency of 75 kHz. You are given only ONE component each to design the diagram: filter, coefficient, oscillator and a mixer. (vii) If there is another FM station transmitter that operates at a frequency of 104.1 MHz with the same attribution as station 1(vi) above, discuss the effect of the FM signal radiated from this station. Solution:

Introductory Circuit Analysis (13th Edition)
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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Question FM (a) A signal carrier v(t)=100 cos(2×10³t) is modulated by frequency modulation (FM) by a tone signal. For this modulator, the tone amplitude 2 Volt produce deviation of 0.3 kHz. If the tone signal is v(t) = 2.5 cos(4×10³), justify: (i) (ii) (iii) (iv) (v) (vi) The sensitivity of the modulator, kj Maximun deviation frequency, Af Whether this modulated signal is a narrowband FM signal or broadband FM signal? The FM modulated signal equation The bandwidth required to use Carson method Design a block diagram of a transmitter with the values required if the FM modulated signal above is required to be at a carrier frequency of 104 MHz and has a maximum deviation frequency of 75 kHz. You are given only ONE component each to design the diagram: filter, coefficient, oscillator and a mixer. (vii) If there is another FM station transmitter that operates at a frequency of 104.1 MHz with the same attribution as station 1(vi) above, discuss the effect of the FM signal radiated from this station. Solution:
Transcribed Image Text:Question FM (a) A signal carrier v(t)=100 cos(2×10³t) is modulated by frequency modulation (FM) by a tone signal. For this modulator, the tone amplitude 2 Volt produce deviation of 0.3 kHz. If the tone signal is v(t) = 2.5 cos(4×10³), justify: (i) (ii) (iii) (iv) (v) (vi) The sensitivity of the modulator, kj Maximun deviation frequency, Af Whether this modulated signal is a narrowband FM signal or broadband FM signal? The FM modulated signal equation The bandwidth required to use Carson method Design a block diagram of a transmitter with the values required if the FM modulated signal above is required to be at a carrier frequency of 104 MHz and has a maximum deviation frequency of 75 kHz. You are given only ONE component each to design the diagram: filter, coefficient, oscillator and a mixer. (vii) If there is another FM station transmitter that operates at a frequency of 104.1 MHz with the same attribution as station 1(vi) above, discuss the effect of the FM signal radiated from this station. Solution:
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