Q3. A narrowband FM signal has a carrier frequeney of 110 kHz and a deviation ratio of 0.04. The modulation bandwidth (signal bandwidth) is 10 kHz. This signal is used to generate a wideband FM signal with a deviation ratio of 18 and a carrier frequency of 100 MHz. a) Give the required value of frequency multiplication, n. b) Give two frequencies for the mixer to give the desired carrier. c) Define the required bandpass filter (center frequency and bandwidth).

Q3. A narrowband FM signal has a carrier frequeney of 110 kHz and a deviation ratio of 0.04. The modulation bandwidth (signal bandwidth) is 10 kHz. This signal is used to generate a wideband FM signal with a deviation ratio of 18 and a carrier frequency of 100 MHz. a) Give the required value of frequency multiplication, n. b) Give two frequencies for the mixer to give the desired carrier. c) Define the required bandpass filter (center frequency and bandwidth).

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Concept explainers

Frequency Modulation

Frequency modulation is a method or process of encoding the data of a specific signal (analog or digital) by modulating the carrier wave frequency according to the frequency of the modulated signal. Modulated signals are nothing more than information or data that should be conveyed after being converted into electronic signals.

Question

Q3. A narrowband FM signal has a carrier frequeney of 110 kHz and a deviation ratio of
0.04. The modulation bandwidth (signal bandwidth) is 10 kHz. This signal is used to
generate a wideband FM signal with a deviation ratio of 18 and a carrier frequency of 100
MHz.
a) Give the required value of frequency multiplication, n.
b) Give two frequencies for the mixer to give the desired carrier.
c) Define the required bandpass filter (center frequeney and bandwidth).

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