(TCO 4) A few blocks of a
(non-commercial) FM transmitter are shown in the diagram below.
Using Carson's Rule, find the required bandwidth of the radiated
signal.
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(TCO 4) A few blocks of a
(non-commercial) FM transmitter are shown in the diagram below....
(TCO 3) The diagram shows an SSB transmitter filter method. Determine the required value for quality...
(TCO 3) The diagram shows an
SSB transmitter filter method. Determine the required value for
quality factor (Q) for the filter at the output of the
Low-frequency balanced modulator.
(TCO 3) The diagram shows an SSB transmitter filter method. Determine the required value for quality factor (Q) for the filter at the output of the Low-frequency balanced modulator. Audio amplifier Class-A 3KHz Low-freq balanced modulator Filter and amplifier Medium- freq balanced modulator Linear power amplifier RF carrier oscillator 100 KHz...
A transmitter antenna broadcasts a non-commercial FM signal having modulation index mf = 5 and carrier...
A transmitter antenna broadcasts a non-commercial FM signal having modulation index mf = 5 and carrier deviation Δfc = 40.5 kHz. Find the number of pairs of sidebands from Bessel’s table. What is the frequency separation between the sidebands? Find the bandwidth required to transmit the FM signal from parts a and b.
b) The figure below shows an FM demodulator. s'(t)Envelope detector Demodulated signal s(t) Differentiator Figure 4: Question 2(b) In the system above, the differentiator performs the time-differ...
b) The figure below shows an FM demodulator. s'(t)Envelope detector Demodulated signal s(t) Differentiator Figure 4: Question 2(b) In the system above, the differentiator performs the time-differentiation operation s'(t) = as(t). Also, the envelope detector is assumed to be ideal, capable of extracting the envelope of the incoming signal perfectly. Describe, by equations, how the above FM demodulator may exactly recover the message signal from the FM signal. (6%) (c) Is the FM demodulator in Question 2(b) a coherent detector,...
Prob. 4 Consider the coherent receiver shown in the diagram below. The input signal is first...
Prob. 4 Consider the coherent receiver shown in the diagram below. The input signal is first passed through a mixer before it is demodulated. The frequency of Oscillator I is related to the incoming carrier frequency as fo-f+ fi at all times, where fi is the intermediate frequency. Let the input signal be in the form φ(t) cos 2r/mlt cos 2 πfet, where fe » fm. mo (t) φ(t) BPF 1 Oscillator Oscillator (a) Specify the frequencies present at points...
Please do Part 4 and Show all work! 1. 145 points) <FM/FSK Modulation/Demodulations A periodic wave m(t) in Figure 1 below The resulting FM signal is demodulated as shown in the following figure b...
Please do Part 4 and Show all work!
1. 145 points) <FM/FSK Modulation/Demodulations A periodic wave m(t) in Figure 1 below The resulting FM signal is demodulated as shown in the following figure by using frequency discriminator. Assume no attenuation of the signal due to propagation loss (in other words assume amplifiers properly restored the amplitude of the transmitted signal at the receiver) [10 points] Find the Fourier Series (trigonometric Fourier Series) of the message signal m (t) where To...
Question 1 In the shown block diagram, the missing block is an integrator m(1) SIA True...
Question 1 In the shown block diagram, the missing block is an integrator m(1) SIA True False AA Moving to another question will save this respo Question 2 The narrowband FM signal is expressed as: A(t) cos {2 11 ft+tan- '[kfa(t)}} True False Question 3 Given the message signal m(t) with peak value 2 and carrier signal 5 cos (108 11 t). If ky = x10, the value of (min equals 50.1 MHz O True False Question 4 The following...
(TCO 3) The diagram shows an
SSB transmitter filter method. Determine the required value for
quality factor (Q) for the filter at the output of the
Low-frequency balanced modulator.
(TCO 3) The diagram shows an SSB transmitter filter method. Determine the required value for quality factor (Q) for the filter at the output of the Low-frequency balanced modulator. Audio amplifier Class-A 3KHz Low-freq balanced modulator Filter and amplifier Medium- freq balanced modulator Linear power amplifier RF carrier oscillator 100 KHz...
b) The figure below shows an FM demodulator. s'(t)Envelope detector Demodulated signal s(t) Differentiator Figure 4: Question 2(b) In the system above, the differentiator performs the time-differentiation operation s'(t) = as(t). Also, the envelope detector is assumed to be ideal, capable of extracting the envelope of the incoming signal perfectly. Describe, by equations, how the above FM demodulator may exactly recover the message signal from the FM signal. (6%) (c) Is the FM demodulator in Question 2(b) a coherent detector,...
Prob. 4 Consider the coherent receiver shown in the diagram below. The input signal is first passed through a mixer before it is demodulated. The frequency of Oscillator I is related to the incoming carrier frequency as fo-f+ fi at all times, where fi is the intermediate frequency. Let the input signal be in the form φ(t) cos 2r/mlt cos 2 πfet, where fe » fm. mo (t) φ(t) BPF 1 Oscillator Oscillator (a) Specify the frequencies present at points...
Please do Part 4 and Show all work!
1. 145 points) <FM/FSK Modulation/Demodulations A periodic wave m(t) in Figure 1 below The resulting FM signal is demodulated as shown in the following figure by using frequency discriminator. Assume no attenuation of the signal due to propagation loss (in other words assume amplifiers properly restored the amplitude of the transmitted signal at the receiver) [10 points] Find the Fourier Series (trigonometric Fourier Series) of the message signal m (t) where To...
Question 1 In the shown block diagram, the missing block is an integrator m(1) SIA True False AA Moving to another question will save this respo Question 2 The narrowband FM signal is expressed as: A(t) cos {2 11 ft+tan- '[kfa(t)}} True False Question 3 Given the message signal m(t) with peak value 2 and carrier signal 5 cos (108 11 t). If ky = x10, the value of (min equals 50.1 MHz O True False Question 4 The following...
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