Fundamental Concepts 1 Objectives After studying this chapter, you should be able to: ( ( ( ( Explain the nature and importance of wireless communication. Outline the history…

Amplitude modulation (AM) is a form of modulation in which the amplitude of a carrier wave is varied in direct proportion to that of a modulating signal. (Contrast this with…

Mobile Communication Instructor: Swarup Sinha Ray Slide # 1 Learning Objectives To support you to refresh the basics of cellular technologies To know the scope of functioning…

DC CHOPPERS INTRODUCTION A chopper is a static device which is used to obtain a variable dc voltage from a constant dc voltage source. A chopper is also known as dc-to-dc…

chapter 3 Amplitude Modulation Fundamentals n the modulation process, the baseband voice, video, or digital signal modifies another, higher-frequency signal called the carrier,…

www.jntuworld.com 1 ANALOG COMMUNICATIONS LAB MANUAL EC-351 Prepared by T.Srinivasa Rao Lecturer, ECE. & P.Surendra Kumar Lecturer, ECE. DEPARTMENT OF ELECTRONICS AND…

ULTRA WIDE BAND (UWB) UWB) TECHNOLOGY Presented By ::NEHA SISODIA EC- 12 0809040056 INTRODUCTION Ultra wide band (UWB) technology have been developed since 1980¶s. It is…

Chapter 4 Amplitude Modulation Baseband vs Passband Transmission Baseband signals: Voice (0-4kHz) TV (0-6 MHz) A signal may be sent in its baseband format when a dedicated…

www.jntuworld.com 1 ANALOG COMMUNICATIONS LAB MANUAL EC-351 Prepared by T.Srinivasa Rao Lecturer, ECE. & P.Surendra Kumar Lecturer, ECE. DEPARTMENT OF ELECTRONICS AND…

chapter 3 Amplitude Modulation Fundamentals n the modulation process, the baseband voice, video, or digital signal modifies another, higher-frequency signal called the carrier,…