4. For the block diagram shown below: a) Draw the frequency spectrum of the output signal of: a.2) BM3 a.1) BM1 b) Determine the frequency range of b.1) information 3 at the output of Adder 3 b.2) information 4 at the output of BPF 3 a.3) Adder 1 a.4) Adder 3

4. For the block diagram shown below: a) Draw the frequency spectrum of the output signal of: a.2) BM3 a.1) BM1 b) Determine the frequency range of b.1) information 3 at the output of Adder 3 b.2) information 4 at the output of BPF 3 a.3) Adder 1 a.4) Adder 3

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

4. For the block diagram shown below:
a) Draw the frequency spectrum of the output signal of :
а.1) ВM1
b) Determine the frequency range of
а.2) ВМЗ
a.3) Adder 1
а.4) Adder 3
b.1) information 3 at the output of Adder 3
b.2) information 4 at the output of BPF 3
3kHz
BPF 1
Adder 1
BM3
100k-106kHz
3kHz
LSB Pass
BM1
Filter 1
6kHz
100kHz
Balanced
BPF 3
Adder 3
Oscr.
Osr.
mixer
ЗМ - 3.2МНZ
3kHz
LSB Pass
BM2
3MHZ
Filter 2
Osr.
4
3kHz
BPF 2
Adder 2 H BM4
94k-100kHz

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