Question

Problem 1 : The message signal, m(t) = 10sin(400pt) frequency modulates a carrier c(t) = 100cos(2p...

Problem 1 : The message signal, m(t) = 10sin(400pt) frequency modulates a carrier c(t) =
100cos(2p fct). The modulation index is 6.
a. Write an expression of the modulated signal.
b. What is the maximum frequency deviation of the modulated signal?
c. What is power of the modulated signal?
d. Find the bandwidth of the modulated signal.

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
1. An amplitude modulated system has following parameters: Modulating signal frequency fm = 500 Hz, Carrier...
1. An amplitude modulated system has following parameters: Modulating signal frequency fm = 500 Hz, Carrier frequency fc = 2KHz. Draw a two-sided spectrum with approximately scaled frequencies and amplitude. Consider perfect modulation (mod index = 1). 2. What is the typical range of AM modulation index (depth)? What will happen if it is at the lowest value or highest value in the range? What will happen if it goes beyond the range? too low a level of modulation and...
A carrier signal, Vc(t) = 5cos(1π3000t) F is frequency modulated by a modulating signal of 4...
A carrier signal, Vc(t) = 5cos(1π3000t) F is frequency modulated by a modulating signal of 4 kHz with a modulation index of 2. The FM wave is transmitted through a 50 Ω antenna. With the aid of Bessel Function Table, determine the: number of sets of significant sidebands, frequency deviation, carrier swing, minimum and maximum frequency of the FM signal, bandwidth using Bessel Function Table, frequencies of all the significant sidebands, total power of the FM signal. Hence, sketch and...
An angle modulated signal with carrier frequency ωc=2π×105 is described in this equation β(t) = 10cos(ωct...
An angle modulated signal with carrier frequency ωc=2π×105 is described in this equation β(t) = 10cos(ωct + 5sin3000t + 10sin2000t). Find the frequency deviation Find the deviation ratio Bandwidth.
An audio frequency signal 10 sin(2π×500t) is used to amplitude modulate a carrier of 50 sin(2π×105...
An audio frequency signal 10 sin(2π×500t) is used to amplitude modulate a carrier of 50 sin(2π×105 t). Calculate: a) Frequency of side bands b) Bandwidth c) Modulation index d) Amplitude of each side band. e) Total power delivered to a load of 600Ω.
Generate a Matlab Code for amplitude modulated signal by multiplying a message signal (a low frequency...
Generate a Matlab Code for amplitude modulated signal by multiplying a message signal (a low frequency cosine signal) with a carrier signal (a high frequency cosine signal). Sketch the Fourier transform of the modulated signal. Demodulate the modulated signal (with no noise) by again multiplying it with the same carrier signal. Sketch the Fourier transform of the signal obtained in c). Your task is to recover the message signal from the signal in c). Determine the type of filter you...
The message m(t) = 5 cos(2?1000t) is frequency-modulated to 90MHz, with kf=2000?. Determine the frequency deviation...
The message m(t) = 5 cos(2?1000t) is frequency-modulated to 90MHz, with kf=2000?. Determine the frequency deviation and deviation ratio of the FM signal. Also estimate the bandwidth of the FM signal. Suppose now you are provided with a crystal oscillatorat 90MHz, an analog multiplier, and a second-order loop filter, and a VCO. Explain by drawing a block diagram how the FM signal can be demodulated using these components. Specify the minimum required operation range of the VCO.
Specify the frequency response characteristics of a VSB filter that passes the lower sideband and the...
Specify the frequency response characteristics of a VSB filter that passes the lower sideband and the first frequency component of the upper sideband of a DSB modulated signal with the message signal given by m(t)=10cos(3000(pi)t)+20cos(6000(pi)t) . The carrier signal has an amplitude of 20 and a frequency of 250 kHz. a. Write the expression for the DSB signal. b. Write the expression for the single sided spectrum of the DSB signal c. Sketch the spectrum d. Give the specifications for...
An FM signal,2000 sin(2n x 10"t+ 2sin Tux 10't),is applied to a 50 ohms antenna.Determine: (a)The...
An FM signal,2000 sin(2n x 10"t+ 2sin Tux 10't),is applied to a 50 ohms antenna.Determine: (a)The carrier frequency. (b)The transmitter power. (c)The modulating index. (d)The intelligence signal frequency. (e)The bandwidth(using the two methods)
The message signal m(t)=sin(t)+sin(2t) and DC voltage A=1 in an AM transmitter, determine (i) sideband and...
The message signal m(t)=sin(t)+sin(2t) and DC voltage A=1 in an AM transmitter, determine (i) sideband and carrier powers (ii) power efficiency.
Communication deals with the principle of transferring information from one place to ____________. a) Same b)...
Communication deals with the principle of transferring information from one place to ____________. a) Same b) Various c) Another d) different 2. It involves transmission and reception, and processing of - ________between these two locations. a) different b) various c) same d) various 3. The source could be in continuous form as in the case of analog communication and as discrete signals as in the case of digital communication. a) True b) False 4. _________ distance transmission of information is...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT