Question

In: Computer Science

Q.N. 1:- Given the following FM modulated signal equation, determine the frequency bandwidth. s(t)=3cos(2π13E9t + 1.04sin(2π13E3t))...

Q.N. 1:-

Given the following FM modulated signal equation, determine the frequency bandwidth. s(t)=3cos(2π13E9t + 1.04sin(2π13E3t))

a. 20kHz

b. 44kHz

c. 53 kHz

d. 106 kHz

Q.N. 2:-

Given the following message, m(t), carrier, c(t), and Kp=0.25(rad/v), determine the PM modulated signal equation and PM index. m(t)=3cos(2π3500t), c(t)=4.5cos(2π4MHzt).

a. s(t)=4.5cos(2π4E6t + 0.75cos(2π3500t)), µPM=0.75

b. s(t)=4.5cos(2π3500t + 0.75cos(2π4E6t)), µPM=0.25

c. s(t)=3cos(2π4E6t + 0.75cos(2π3500t)), µPM=0.75

d. s(t)=3cos(2π3500t + 0.75cos(2π4E6t)), µPM=0.25

old sp19

Q.N. 3:-

Given the following PM modulated signal equation, determine the original message equation, m(t). s(t)=4.4cos(2π2.4E9t + 0.99cos(2π5E3t)), Kp=0.33 (Hz/v)

a. m(t)= 4.4cos(2π5000t)

b. m(t)= 4.4cos(2π2.4E9t)

c. m(t)= 3cos(2π5000t)

d. m(t)= 3cos(2π2.4E9t)

Q.N. 4:-

Given the following PM modulated signal equation, determine the frequency bandwidth. s(t)=3cos(2π13E9t + 2cos(2π13E3t))

a. 22kHz

b. 40kHz

c. 78 kHz

d. 116 kHz

Solutions

Expert Solution

Solution

--

Answered all the questions

all the best

venereology answered 2 hours ago
Next > < Previous

Related Solutions

A baseband signal s(t) = 10Cos(3000*pi*t + 30) V, is wideband fm modulated (Z(t)) with carrier...
A baseband signal s(t) = 10Cos(3000*pi*t + 30) V, is wideband fm modulated (Z(t)) with carrier amplitude of 50V. The index of modulation is B = 4. a) Show the simplified equation of Z(t). b) Determine the wideband FM power using Bessel fnc. Table c) Calculate Kf in the Z(t) equation.
A baseband signal s(t)=8cos(2000t + 45)V, is wideband FM modulated with carrier amplitude of 40 volts....
A baseband signal s(t)=8cos(2000t + 45)V, is wideband FM modulated with carrier amplitude of 40 volts. The index of modulation is beta=3. a. show the simplified equation of the wideband FM modulation b. determine wideband FM power using Bessel function table c. Calculate Kf in the wideband FM modulation equation.
Problem 3: The carrier c(t) = 100cos(2p fct) is frequency modulated by the signal m(t) =...
Problem 3: The carrier c(t) = 100cos(2p fct) is frequency modulated by the signal m(t) = 5cos(20000pt) , where fc = 108 Hz. The peak frequency deviation is 20 kHz. Determine the amplitude and frequency of all the signal components that have a power level of at least 10% of the power of the un-modulated carrier component. Hint: The wide-band FM has frequency components, fc, fc+ fm, fc? fm, fc+2 fm, fc?2 fm, and so on. The amplitude of the...
A carrier signal with unit amplitude and frequency fc1 = 50 kHz is modulated with a...
A carrier signal with unit amplitude and frequency fc1 = 50 kHz is modulated with a message signal ?1(?)=2cos(2??1?), where f1 = 15 kHz, to produce a DSB-SC signal. This DSB signal must be up-converted to a center frequency fc = 100 kHz. a. Determine the image frequency of the DSB signal. [2] b. An Upper-SSB signal with unit amplitude carrier at the image frequency calculated above also exists in the spectrum. The SSB signal is tone modulated with ?2(?)=4cos(2??2?),...
Consider a message signal m(t) with bandwidth W = 5.86 kHz. This signal is applied to...
Consider a message signal m(t) with bandwidth W = 5.86 kHz. This signal is applied to a product modulator, together with a carrier wave c t = cos(210000πt) producing the DSB-SC modulated wave s(t). This modulated wave is next applied to a coherent detector producing an output signal y(t). The coherent detector consists of a product modulator that multiplies s(t) by c r = 2cos(222000πt) and a low pass filter which has a cut off frequency 21 kHz. The output...
What is the frequency content (bandwidth) of an ECG signal? How will this answer guide your...
What is the frequency content (bandwidth) of an ECG signal? How will this answer guide your filter design?
3. For the following analog signal: xa(t) = 3sin(40πt) + 3cos(50πt) which is sampled at a...
3. For the following analog signal: xa(t) = 3sin(40πt) + 3cos(50πt) which is sampled at a rate of 100 samples/second. a. Design an IIR digital filter that will pass the first component 3sin(40πt) with attenuation of less than 1 dB and suppress the second component 3cos(50πt) at least 50 dB. The filter should be monotonic in the passband and have ripple in the stopband. b. Generate 500 samples of the sampled signal xa(t) at the given sampling rate and use...
3. For the following analog signal: xa(t) = 3sin(40πt) + 3cos(50πt) which is sampled at a...
3. For the following analog signal: xa(t) = 3sin(40πt) + 3cos(50πt) which is sampled at a rate of 100 samples/second. a. Design an IIR digital filter that will pass the first component 3sin(40πt) with attenuation of less than 1 dB and suppress the second component 3cos(50πt) at least 50 dB. The filter should be monotonic in the passband and have ripple in the stopband. ( 2 points ) b. Generate 500 samples of the sampled signal xa(t) at the given...
1) Determine the frequency deviation and modulation index for an FM modulator with 8Hz / mV...
1) Determine the frequency deviation and modulation index for an FM modulator with 8Hz / mV frequency sensitivity to which a modulating tone equal to 5Cos (2π5000t) has been applied. select an answer: a. 20 Hz, 16 b. 40 KHz, 8 c. 40 Hz, 8 d. 20 KHz, 16 e. None of the above
If signal x(t) has a maximum frequency (wm1)and signal y(t) has a maximum frequency (wm2)where wm2>wm1,...
If signal x(t) has a maximum frequency (wm1)and signal y(t) has a maximum frequency (wm2)where wm2>wm1, determine the Nyquist rate for each of the following signals: (a)x(t)+ x(t-1) (b) dx/dt c) x(t)y(t) (d)x(t)*y(t)
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT