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(a) Design (the block diagram of) an Armstrong indirect FM modulator to generate an FM carrier with a carrier frequency...
4.9-3 Design an Armstrong indirect FM modulator in block diagram to generate an FM signal with...
4.9-3 Design an Armstrong indirect FM modulator in block diagram to generate an FM signal with carrier 96.3 MHz and Af = 20.48 kHz. A narrowband FM generator with fe = 150 kHz and Af = 10 Hz is available. Only a limited number of frequency doublers are available as frequency multipliers. In addition, an oscillator with adjustable frequency from 13 to 14 MHz is also available for mixing, along with bandpass filters of any specification.
8. (15 points) Design an Armstrong indirect FM modulator to generate an FM signal with carrier...
8. (15 points) Design an Armstrong indirect FM modulator to generate an FM signal with carrier frequency 97.3MHZ and Af = 10.24kHz. A NBFM generator of fe Af = 5Hz is available. Only frequency doublers can be used as multipliers. Additionally, a local oscillator (LO) with adjustable frequency between 400kHz and 500kHz is readily available for frequency mixing. 20KHZ and %3D
can someone show me how todo this problem step by step? im having trouble with the...
can someone show me how todo this problem step by
step? im having trouble with the whole concept. the answers is
n1=6. n2=5, f_LO=9.8MHz, f_BPF=3MHz.
Hint: Show first that f-? ej(? sin x-nx) d-2?cos (? sin x-rx)d. nx) dx = 2 cos ( 5.3-1 Design (the block diagram of) an Armstrong indirect FM modulator to generate an FM carrier with a carrier frequency of 96 MHz and Af = 20 kHz. A narrowband FM generator withfc-200 kHz and adjustable Af...
You are designing an Armstrong FM radio with a carrier frequency of 91.2MHz and frequency deviati...
You are designing an Armstrong FM radio with a carrier frequency of 91.2MHz and frequency deviation between 40kHz and 45kHz. Your NBFM generates a FM signal with a carrier of 200kHz and the generated frequency deviation is 10Hz. The local oscillator can generate sinusoids with any frequency in the range of 10-12 MHz. Note that you can only use frequency doublers, and you have as many doublers as you need. Draw the block diagram of the FM transmitter. Give details...
) frequency modulatea100KHz carrier to produce the fl loo p narrowband FM signal: 120 pts PrBndt)...
find value of flo????
) frequency modulatea100KHz carrier to produce the fl loo p narrowband FM signal: 120 pts PrBndt) _ 5 cos (2a2. 10st + 0.0025 sin 2π 104t ) agram design) the wideband FM signal wrt) with carmer frequency of 100 MHz and a (peak) frequency deviation of So R Frequency Multipliers of any value following are available for the design Assume that the frequency can be tuned to any value between 200 나 A local oscillator whose...
(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...
The figure below shows the block diagram of a two-stage SSB modulator. The input signal /...
The figure below shows the block diagram of a two-stage SSB modulator. The input signal / consists of a voice signal occupying the frequency of 3.4 KHz. The oscillator frequencies are Si=100 KHz and 2-10 MHz (6) vo Product Modulator Product Modulator BPF Passes USB only BPF Passes USB only A, cos(2.781) A, cos( 21) Specify the sidebands of all the modulated signals appearing in this system. {, vo), 20). 0),
[15 points] You are asked to design a DSB-SC AM modulator to generate a modulated signal km(t)cos...
[15 points] You are asked to design a DSB-SC AM modulator to generate a modulated signal km(t)cos(wt+0), where m(t) is a signal band-limited to B Hz. The following figure shows a DSB- SC AM modulator available in the stockroom. The carrier generator available generates not cos(wct), but cos (wct). Explain whether you would be able to generate the desired signal using only this equipment. You may use any kind of filter you like. 3. What kind of filter is required...
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...
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...
4.9-3 Design an Armstrong indirect FM modulator in block diagram to generate an FM signal with carrier 96.3 MHz and Af = 20.48 kHz. A narrowband FM generator with fe = 150 kHz and Af = 10 Hz is available. Only a limited number of frequency doublers are available as frequency multipliers. In addition, an oscillator with adjustable frequency from 13 to 14 MHz is also available for mixing, along with bandpass filters of any specification.
8. (15 points) Design an Armstrong indirect FM modulator to generate an FM signal with carrier frequency 97.3MHZ and Af = 10.24kHz. A NBFM generator of fe Af = 5Hz is available. Only frequency doublers can be used as multipliers. Additionally, a local oscillator (LO) with adjustable frequency between 400kHz and 500kHz is readily available for frequency mixing. 20KHZ and %3D
can someone show me how todo this problem step by
step? im having trouble with the whole concept. the answers is
n1=6. n2=5, f_LO=9.8MHz, f_BPF=3MHz.
Hint: Show first that f-? ej(? sin x-nx) d-2?cos (? sin x-rx)d. nx) dx = 2 cos ( 5.3-1 Design (the block diagram of) an Armstrong indirect FM modulator to generate an FM carrier with a carrier frequency of 96 MHz and Af = 20 kHz. A narrowband FM generator withfc-200 kHz and adjustable Af...
find value of flo????
) frequency modulatea100KHz carrier to produce the fl loo p narrowband FM signal: 120 pts PrBndt) _ 5 cos (2a2. 10st + 0.0025 sin 2π 104t ) agram design) the wideband FM signal wrt) with carmer frequency of 100 MHz and a (peak) frequency deviation of So R Frequency Multipliers of any value following are available for the design Assume that the frequency can be tuned to any value between 200 나 A local oscillator whose...
(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...
The figure below shows the block diagram of a two-stage SSB modulator. The input signal / consists of a voice signal occupying the frequency of 3.4 KHz. The oscillator frequencies are Si=100 KHz and 2-10 MHz (6) vo Product Modulator Product Modulator BPF Passes USB only BPF Passes USB only A, cos(2.781) A, cos( 21) Specify the sidebands of all the modulated signals appearing in this system. {, vo), 20). 0),
[15 points] You are asked to design a DSB-SC AM modulator to generate a modulated signal km(t)cos(wt+0), where m(t) is a signal band-limited to B Hz. The following figure shows a DSB- SC AM modulator available in the stockroom. The carrier generator available generates not cos(wct), but cos (wct). Explain whether you would be able to generate the desired signal using only this equipment. You may use any kind of filter you like. 3. What kind of filter is required...
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...
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...
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