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P1 - A function generator can be angle modulated with various waveforms. With a carrier signal be...
12 A function generator can be angle modulated with various 7-2 waveforms. Based on a 50-Hz...
12 A function generator can be angle modulated with various 7-2 waveforms. Based on a 50-Hz sinusoid before modulation is applied, the output signal with modulation is v(t) 20 cos(100mt+6t) Determine (a) instantaneous signal phase and (b) instanta- neous signal frequency (radian and cyclic). (c) Sketch the forms of the instantaneous signal phase and frequency
In a coherent detection process, a sinusoidally modulated DSB-SC wave, s(t) = c(t)m(t) where the carrier...
In a coherent detection process, a sinusoidally modulated DSB-SC wave, s(t) = c(t)m(t) where the carrier wave is c(t) =Accos(2πfct) and the message signal is m(t) = Amcos(2πfmt), is applied to a product modulator using a locally generated sinusoid of Ac’ amplitude and is out of phase by φ with respect to the sinusoidal carrier used in the modulation. (a) Draw the block diagram of the coherent detection process and label the block diagram with the information provided above accordingly....
Consider the message signal m(t):
Consider the message signal m(t):a. Sketch the AM signal u(t)=[ A + m(t) ] Cos(wct) for modulation indexes μ = 0.5 and μ = 2.0 by assuming the carrier frequency to be much higher than the bandwidth of m(t) b. Determine the efficiency percentage (η = ps/pt) for μ = 0.5. Herein, Ps and Pt are sideband and total powers respectively, and Pt= Ps + Pc , in which Pc is the carrier power. Hint : Take into account the Parseval's property. c. If the AM waveforms corresponding...
2. [20 points] The carrier c(t-Acce(2106 t) is frequency modulated by the sinusoid signal m(t) 2cos...
2. [20 points] The carrier c(t-Acce(2106 t) is frequency modulated by the sinusoid signal m(t) 2cos (2000mt). The deviation constant is kr 3000 Hz/V Determine the bandwidth of the modulated signal using Carson's rule a. Sketch the magnitude of the spectrum of the modulated signal (plot only those frequency components that lie within the bandwidth derived in part a) with detailed information such as the areas of delta function determined by the Bessel function, frequency separation between each spectrum (note...
Q2 The output signal of an angle modulator is given as V(t) = 6 cos(2000000net +...
Q2 The output signal of an angle modulator is given as V(t) = 6 cos(2000000net + 40 cos(2000xt) + 15cos (400nt)) (v) Determine the following: The average power of the signal. b) The carrier frequency of the signal. The instantaneous frequency of the signal. d) The instantaneous maximum frequency deviation of the signal. e) The wavefom of the message signal, assuming a frequency modulation (FM). f) The modulation index, assuming a FM. Is it a broadband FM or narrowband FM...
An angle-modulated signal is given by: x(t) = Acos(2fsnt + Bcos(2fm Tt)) Find the instantaneous frequency,...
An angle-modulated signal is given by: x(t) = Acos(2fsnt + Bcos(2fm Tt)) Find the instantaneous frequency, average signal power and maximum phase deviation if: A=10,B=5,fs=10000 Hz,fm=1000 Hz
5. Consider the following message signal: m(t) -2 .3 10 Assume that the carrier frequency is f ar...
5. Consider the following message signal: m(t) -2 .3 10 Assume that the carrier frequency is f are kf = 105, kp-25 respectively. 108 Hz, and frequency and phase deviation constants Find the maximum and minimum frequency deviation for FM, and sketch the FM wave for a duration of 103 seconds shown in the above figure (5 points). a. b. Find the maximum and minimum frequency deviation for PM, sketch the PM wave for a duration of 103 seconds shown...
5. Consider the following message signal: -2 Assume that the carrier frequency is f are kr 105, k...
5. Consider the following message signal: -2 Assume that the carrier frequency is f are kr 105, kp 25 respectively. 108 Hz, and frequency and phase deviation constants Find the maximum and minimum frequency deviation for FM, and sketch the FM wave for a duration of 103 seconds shown in the above figure (5 points). a. b. Find the maximum and minimum frequency deviation for PM, sketch the PM wave for a duration of 103 seconds shown in the above...
[5 Marks] uestion 1 A high frequency carrier is frequency modulated by a sinusoidal modulating frequency...
[5 Marks] uestion 1 A high frequency carrier is frequency modulated by a sinusoidal modulating frequency of 2 KHz, resulting in a frequency deviation of 7 Khz.Calculate the bandwidth of the modulated signal. a) [1 Mark] [1.Mark] 0.5 mark] 2.5 Marks] b) Explain how noise immunity is achieved in FM With aid of a neatly labelled illustration describe the Frequency Shift Keying c) Discuss the advantages and de merits of Frequency modulation d) [5 Marks] Question 2 n SSB transmitter...
can someone help me do this and maybe also the picture of the scope explain how you get it. thankyou! Frequency-sh...
can someone help me do this and maybe also the picture of the
scope explain how you get it. thankyou!
Frequency-shift keying (FSK) and Phase-shift keying (PSK) Two other modulation schemes are the phase-shift keying (PSK) and the frequency-shift keying (FSK). These are illustrated in Figure 8 b and c respectively. In phase-shift keying the carrier signal changes phase by a radians when the digital signal changes values. In frequency-shift keying a 0 is transmitted at a different carrier frequency...
12 A function generator can be angle modulated with various 7-2 waveforms. Based on a 50-Hz sinusoid before modulation is applied, the output signal with modulation is v(t) 20 cos(100mt+6t) Determine (a) instantaneous signal phase and (b) instanta- neous signal frequency (radian and cyclic). (c) Sketch the forms of the instantaneous signal phase and frequency
2. [20 points] The carrier c(t-Acce(2106 t) is frequency modulated by the sinusoid signal m(t) 2cos (2000mt). The deviation constant is kr 3000 Hz/V Determine the bandwidth of the modulated signal using Carson's rule a. Sketch the magnitude of the spectrum of the modulated signal (plot only those frequency components that lie within the bandwidth derived in part a) with detailed information such as the areas of delta function determined by the Bessel function, frequency separation between each spectrum (note...
Q2 The output signal of an angle modulator is given as V(t) = 6 cos(2000000net + 40 cos(2000xt) + 15cos (400nt)) (v) Determine the following: The average power of the signal. b) The carrier frequency of the signal. The instantaneous frequency of the signal. d) The instantaneous maximum frequency deviation of the signal. e) The wavefom of the message signal, assuming a frequency modulation (FM). f) The modulation index, assuming a FM. Is it a broadband FM or narrowband FM...
An angle-modulated signal is given by: x(t) = Acos(2fsnt + Bcos(2fm Tt)) Find the instantaneous frequency, average signal power and maximum phase deviation if: A=10,B=5,fs=10000 Hz,fm=1000 Hz
5. Consider the following message signal: m(t) -2 .3 10 Assume that the carrier frequency is f are kf = 105, kp-25 respectively. 108 Hz, and frequency and phase deviation constants Find the maximum and minimum frequency deviation for FM, and sketch the FM wave for a duration of 103 seconds shown in the above figure (5 points). a. b. Find the maximum and minimum frequency deviation for PM, sketch the PM wave for a duration of 103 seconds shown...
5. Consider the following message signal: -2 Assume that the carrier frequency is f are kr 105, kp 25 respectively. 108 Hz, and frequency and phase deviation constants Find the maximum and minimum frequency deviation for FM, and sketch the FM wave for a duration of 103 seconds shown in the above figure (5 points). a. b. Find the maximum and minimum frequency deviation for PM, sketch the PM wave for a duration of 103 seconds shown in the above...
[5 Marks] uestion 1 A high frequency carrier is frequency modulated by a sinusoidal modulating frequency of 2 KHz, resulting in a frequency deviation of 7 Khz.Calculate the bandwidth of the modulated signal. a) [1 Mark] [1.Mark] 0.5 mark] 2.5 Marks] b) Explain how noise immunity is achieved in FM With aid of a neatly labelled illustration describe the Frequency Shift Keying c) Discuss the advantages and de merits of Frequency modulation d) [5 Marks] Question 2 n SSB transmitter...
can someone help me do this and maybe also the picture of the
scope explain how you get it. thankyou!
Frequency-shift keying (FSK) and Phase-shift keying (PSK) Two other modulation schemes are the phase-shift keying (PSK) and the frequency-shift keying (FSK). These are illustrated in Figure 8 b and c respectively. In phase-shift keying the carrier signal changes phase by a radians when the digital signal changes values. In frequency-shift keying a 0 is transmitted at a different carrier frequency...
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