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Analog and Digital Communications by Sudakshina Kundu

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CHAPTER 9

Receivers

Chapter Outline

Learning Objectives

  • Principle of Superheterodyne Receiver
  • Receivers for Amplitude-Modulated Signals
  • Frequency Changing and Tracking
  • IF Stages, Local Oscillator Frequency, Image Frequency
  • Detectors for AM Systems and Comparison of AM Receivers with FM Receivers
  • Noise Calculation

9.1 Introduction

A receiver is a component of the communication circuitry that can recover a message signal from the modulated carrier. ...

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