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Question 3 For the FM trannsmitter using PLL shown, what is the sensitivity of the block...
1. Given: SAT (Supervisory Audio Tones) fm= 5970Hz, 6000Hz, 6030 Hz fc = 870.03 MHz Frequency...
1. Given: SAT (Supervisory Audio Tones) fm= 5970Hz, 6000Hz, 6030 Hz fc = 870.03 MHz Frequency deviation = + 12 kHz Find: (a)β (b) Bandwidth using Carson’s rule (c)Sketch the spectrum 2. Given: ST (Signaling Tones) fm= 10 kHz, fc = 870.03 MHz Frequency deviation = + 8 kHz Find: (a)β (b) Bandwidth using Carson’s rule (c)Sketch the spectrum
Problem 3: Explain how the PLL loop shown below works. Show mathematically that for FM input...
Problem 3: Explain how the PLL loop shown below works. Show mathematically that for FM input given by u(t) Accos(2 fe+ (t) where (t) = 2TK, m(t)at, the output can be designed so that к m(t). vkv v(t) (r) Loop filter 8(1) d(t) 21
Problem 3: Explain how the PLL loop shown below works. Show mathematically that for FM input given by u(t) Accos(2 fe+ (t) where (t) = 2TK, m(t)at, the output can be designed so that к m(t)....
(TCO 4) A few blocks of a (non-commercial) FM transmitter are shown in the diagram below....
(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.
(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. Reactance Carrier Frequency Final 4 VP-P Modulator oscillator Multiplier Power 10 KHz +/- 215 Hz / V- 1.97593 MHz 1 doubler 2 triplers 25.48 kHz 30.96...
a. In FM transmission circuits, explain the purpose and function of: i. Pre-emphasis and de-emphasis circuits....
a. In FM transmission circuits, explain the purpose and function of: i. Pre-emphasis and de-emphasis circuits. (CO1: PO1 - 3 Marks) ii. Limiter circuit. (CO1: P01 - 3 Marks) b. A sinusoidal carrier wave of frequency fe = 110 MHz is modulated by a modulating signal m(t). The characteristics of the modulating signal is illustrated in Figure Q2(b) and the Frequency Deviation Constant of the FM Modulator, kf = 107 Hz/volt. Determine the minimum bandwidth required for transmission of the...
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 (25 MARKS) a. A block diagram of a small private radio station is shown...
QUESTION 1 (25 MARKS) a. A block diagram of a small private radio station is shown in Figure Q1(a). Operating at a frequency of 550 kHz, the station receives a full AM signal with 260 mW of power. The minimum and maximum bandwidths required by the system are 100 kHz and 200 kHz. If the surrounding temperature of the system is 18 °C, calculate the following: i. Noise Figure, NF for the system. (CO2: PO2 - 2.5 marks) ii. Noise...
Question 1 In the diagram of Superheterodne AM receiver shown below explain the function of each block. (a) 15 marks Antenna Speaker Audio and power amplifiers RF IF Mixer Detector Mi amplifier a...
Question 1 In the diagram of Superheterodne AM receiver shown below explain the function of each block. (a) 15 marks Antenna Speaker Audio and power amplifiers RF IF Mixer Detector Mi amplifier amplifier AGC --_Local Gang tuned oscillator (b) For a 4-bit DAC, calculate the output voltage for an input code word 1010 if a [10 marks] logic 1 is 10V and a logic 0 is 0V, and R = RFI kΩ Total: 25 marks] Question 2 (a) Explain the...
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...
Need help with schematics for blocks 3, 4 and 5!!!!!! Include all schematics and wiring along with the component values...
Need help with schematics for blocks 3, 4 and
5!!!!!!
Include all schematics and wiring along with the component
values and how you acquired them. Explain how each block functions
and label any figures.
Need schematics for blocks 3, 4 and 5!!!!!!
Goal For your final project you will be asked to design and assemble a system in which you will input a stereo audio signal, mix the channels into a single mono signal, amplify the signal, filter it to...
Question 2 A typical FM radio wave has a wavelength of 3.0 m. What is the...
Question 2 A typical FM radio wave has a wavelength of 3.0 m. What is the frequency of the wave? O a. 100.0 MHZ b. 1000.0 Hz O c. 10.0 KHz O d. 100.0 KHz Moving to another question will save this response. Question 5 of 14 Question 5 3 points Save Answer What is the intensity of an electromagnetic wave with a peak electric field strength of 100.0 V/m and magnetic field strength of 2.0 x 10^-6 T? a....
Problem 3: Explain how the PLL loop shown below works. Show mathematically that for FM input given by u(t) Accos(2 fe+ (t) where (t) = 2TK, m(t)at, the output can be designed so that к m(t). vkv v(t) (r) Loop filter 8(1) d(t) 21
Problem 3: Explain how the PLL loop shown below works. Show mathematically that for FM input given by u(t) Accos(2 fe+ (t) where (t) = 2TK, m(t)at, the output can be designed so that к m(t)....
(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.
(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. Reactance Carrier Frequency Final 4 VP-P Modulator oscillator Multiplier Power 10 KHz +/- 215 Hz / V- 1.97593 MHz 1 doubler 2 triplers 25.48 kHz 30.96...
a. In FM transmission circuits, explain the purpose and function of: i. Pre-emphasis and de-emphasis circuits. (CO1: PO1 - 3 Marks) ii. Limiter circuit. (CO1: P01 - 3 Marks) b. A sinusoidal carrier wave of frequency fe = 110 MHz is modulated by a modulating signal m(t). The characteristics of the modulating signal is illustrated in Figure Q2(b) and the Frequency Deviation Constant of the FM Modulator, kf = 107 Hz/volt. Determine the minimum bandwidth required for transmission of the...
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 (25 MARKS) a. A block diagram of a small private radio station is shown in Figure Q1(a). Operating at a frequency of 550 kHz, the station receives a full AM signal with 260 mW of power. The minimum and maximum bandwidths required by the system are 100 kHz and 200 kHz. If the surrounding temperature of the system is 18 °C, calculate the following: i. Noise Figure, NF for the system. (CO2: PO2 - 2.5 marks) ii. Noise...
Question 1 In the diagram of Superheterodne AM receiver shown below explain the function of each block. (a) 15 marks Antenna Speaker Audio and power amplifiers RF IF Mixer Detector Mi amplifier amplifier AGC --_Local Gang tuned oscillator (b) For a 4-bit DAC, calculate the output voltage for an input code word 1010 if a [10 marks] logic 1 is 10V and a logic 0 is 0V, and R = RFI kΩ Total: 25 marks] Question 2 (a) Explain the...
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...
Need help with schematics for blocks 3, 4 and
5!!!!!!
Include all schematics and wiring along with the component
values and how you acquired them. Explain how each block functions
and label any figures.
Need schematics for blocks 3, 4 and 5!!!!!!
Goal For your final project you will be asked to design and assemble a system in which you will input a stereo audio signal, mix the channels into a single mono signal, amplify the signal, filter it to...
Question 2 A typical FM radio wave has a wavelength of 3.0 m. What is the frequency of the wave? O a. 100.0 MHZ b. 1000.0 Hz O c. 10.0 KHz O d. 100.0 KHz Moving to another question will save this response. Question 5 of 14 Question 5 3 points Save Answer What is the intensity of an electromagnetic wave with a peak electric field strength of 100.0 V/m and magnetic field strength of 2.0 x 10^-6 T? a....
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