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Documents Introduction to Modulation and Demodulation(1).ppt

EEE2009 Communications • Contents – Introduction to Communication Systems – Analogue Modulation AM, DSBSC, VSB, SSB, FM, PM, Narrow band FM, PLL Demodulators, and FLL…

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Principles of Communication Prof. V. Venkata Rao CHAPTER 5 CHAPTER 5 Angle Modulation 5.1 Introduction Consider a sinusoid, Ac cos ( 2 π fc t + φ0 ) , where Ac is the (constant)…

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Eeng 360 Communication Systems I Course Information Instructor: Huseyin Bilgekul, Room No: EE 207, Office Tel: 630 1333 Course Webpage: http://faraday.ee.emu.edu.tr/eee360/…

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CHAPTER 2 ANALOG MODULATION Modulation Modulation is the process of having an information signal modify a carrier signal in some way Modulation is operation performed at…

Business Ee443 phase locked loop - presentation - schwappach and brandy

1. Phase-locked loop (PLL)By:Loren Schwappach & Crystal BrandyPrepared for: Dr. Jing GuoCTU – EE443 – Communications 1September 2010 2. Overview• What is a PLL?•…

Documents Analog Communications. Communication systems Analog Modulation – AM – FM Digital Modulation –....

Slide 1Analog Communications Slide 2 Communication systems Analog Modulation – AM – FM Digital Modulation – ASK – FSK Modems Overview Slide 3 The block diagram on…

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1.Signal Encoding TechniquesChapter 62. Reasons for Choosing EncodingTechniques Digital data, digital signal Equipment less complex and expensive thandigital-to-analog…

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1. 3/18/2014 1 Communication Systems Instructor: Engr. Dr. Sarmad Ullah Khan Assistant ProfessorAssistant Professor Electrical Engineering Department CECOS University of…

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1. Chapter 5 ANGLE MODULATION: FREQUENCY and PHASE MODULATIONS(FM,PM) 2. Outlines • Introduction • Concepts of instantaneous frequency • Bandwidth of angle modulated…

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Angle Modulated Systems 1. Consider an FM wave 𝑓(𝑡) = cos[2𝜋𝑓𝑐𝑡 + 𝛽1 sin 2𝜋𝑓1𝑡 + 𝛽22𝜋𝑓2𝑡] The maximum deviation of the instantaneous…