Phase Shift 90º Narrowband FM Phase Modulator Adder 2πkvm(t) Integrator vc(t) A₁ = 10 dB Figure Q1.1 Narrowband FM Modulator Antenna P₁ A₂ = 10 dB Q1 Answer the following questions related to the analog transmitter system. (a) (b) (c) Angle Modulation comprises Frequency Modulation (FM) and Phase Modulation (PM), which altering the frequency or phase of the carrier signal respectively to encode the message signal. List TWO (2) differences between FM and PM in term of signal generation parameters. Explain the difference between Narrow-Band FM (NBFM) and Wide-Band FM (WBFM). Support your answer using suitable diagram. Given an FM wave as VFM (t) = 50cos(190л × 10't + sin80 × 10³t). From the experimental works of the circuit, the output frequency proportionally increases with the increase of the input voltage, as tabulated in Table Q1.1. Table Q1.1 Voltage vs frequency of FM modulator Frequency (kHz) 10.0 20.0 30.0 40.0 50.0 Voltage (V) 2.0 4.0 6.0 8.0 10.0 (i) Determine the frequency deviation Kr. Formulate an expression of the information signal, v(t). (iii) Sketch and label the amplitude spectrum of the FM signal. (d) Figure Q1.1 shows the Narrowband FM Phase Modulator block diagram. Given the carrier signal v(t) = 25 cos(190 x 106t), the modulating signal vm(t) = 10 cos(20л × 10³t) and frequency deviation sensitivity K₁ = 0.8kHz/y. Given the antenna resistance, R-5002, calculate the total transmitted power, Pt.
Phase Shift 90º Narrowband FM Phase Modulator Adder 2πkvm(t) Integrator vc(t) A₁ = 10 dB Figure Q1.1 Narrowband FM Modulator Antenna P₁ A₂ = 10 dB Q1 Answer the following questions related to the analog transmitter system. (a) (b) (c) Angle Modulation comprises Frequency Modulation (FM) and Phase Modulation (PM), which altering the frequency or phase of the carrier signal respectively to encode the message signal. List TWO (2) differences between FM and PM in term of signal generation parameters. Explain the difference between Narrow-Band FM (NBFM) and Wide-Band FM (WBFM). Support your answer using suitable diagram. Given an FM wave as VFM (t) = 50cos(190л × 10't + sin80 × 10³t). From the experimental works of the circuit, the output frequency proportionally increases with the increase of the input voltage, as tabulated in Table Q1.1. Table Q1.1 Voltage vs frequency of FM modulator Frequency (kHz) 10.0 20.0 30.0 40.0 50.0 Voltage (V) 2.0 4.0 6.0 8.0 10.0 (i) Determine the frequency deviation Kr. Formulate an expression of the information signal, v(t). (iii) Sketch and label the amplitude spectrum of the FM signal. (d) Figure Q1.1 shows the Narrowband FM Phase Modulator block diagram. Given the carrier signal v(t) = 25 cos(190 x 106t), the modulating signal vm(t) = 10 cos(20л × 10³t) and frequency deviation sensitivity K₁ = 0.8kHz/y. Given the antenna resistance, R-5002, calculate the total transmitted power, Pt.
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
ChapterS: Safety, Basic Electricity And Ohm's Law
Section: Chapter Questions
Problem 8RQ: What is an MSDS?
Related questions
Question
Pls provide the answers in neat way thanks
Transcribed Image Text:Phase
Shift
90º
Narrowband FM
Phase Modulator
Adder
2πkvm(t)
Integrator
vc(t)
A₁ = 10 dB
Figure Q1.1 Narrowband FM Modulator
Antenna P₁
A₂ = 10 dB
Transcribed Image Text:Q1
Answer the following questions related to the analog transmitter system.
(a)
(b)
(c)
Angle Modulation comprises Frequency Modulation (FM) and Phase
Modulation (PM), which altering the frequency or phase of the carrier signal
respectively to encode the message signal. List TWO (2) differences between
FM and PM in term of signal generation parameters.
Explain the difference between Narrow-Band FM (NBFM) and Wide-Band FM
(WBFM). Support your answer using suitable diagram.
Given an FM wave as VFM (t) = 50cos(190л × 10't + sin80 × 10³t).
From the experimental works of the circuit, the output frequency proportionally
increases with the increase of the input voltage, as tabulated in Table Q1.1.
Table Q1.1 Voltage vs frequency of FM modulator
Frequency (kHz)
10.0 20.0 30.0 40.0 50.0
Voltage (V)
2.0 4.0 6.0
8.0
10.0
(i)
Determine the frequency deviation Kr.
Formulate an expression of the information signal, v(t).
(iii) Sketch and label the amplitude spectrum of the FM signal.
(d)
Figure Q1.1 shows the Narrowband FM Phase Modulator block diagram. Given
the carrier signal v(t) = 25 cos(190 x 106t), the modulating signal
vm(t) = 10 cos(20л × 10³t) and frequency deviation sensitivity K₁ =
0.8kHz/y. Given the antenna resistance, R-5002, calculate the total transmitted
power, Pt.
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps with 2 images
Recommended textbooks for you
Delmar's Standard Textbook Of Electricity
Electrical Engineering
ISBN:
9781337900348
Author:
Stephen L. Herman
Publisher:
Cengage Learning
Electricity for Refrigeration, Heating, and Air C…
Mechanical Engineering
ISBN:
9781337399128
Author:
Russell E. Smith
Publisher:
Cengage Learning
EBK ELECTRICAL WIRING RESIDENTIAL
Electrical Engineering
ISBN:
9781337516549
Author:
Simmons
Publisher:
CENGAGE LEARNING - CONSIGNMENT
Delmar's Standard Textbook Of Electricity
Electrical Engineering
ISBN:
9781337900348
Author:
Stephen L. Herman
Publisher:
Cengage Learning
Electricity for Refrigeration, Heating, and Air C…
Mechanical Engineering
ISBN:
9781337399128
Author:
Russell E. Smith
Publisher:
Cengage Learning
EBK ELECTRICAL WIRING RESIDENTIAL
Electrical Engineering
ISBN:
9781337516549
Author:
Simmons
Publisher:
CENGAGE LEARNING - CONSIGNMENT
Power System Analysis and Design (MindTap Course …
Electrical Engineering
ISBN:
9781305632134
Author:
J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:
Cengage Learning