the signal from other signals which may using the same channel (called tuning)‚ amplify the signal for processing and demodulate (remove the carrier) to retrieve the information. It also then processes the information for reception. [pic] Modulation The information signal can rarely be transmitted as is‚ it must be processed. In order to use electromagnetic transmission‚ it must first be converted from audio into an electric signal. The conversion is accomplished by a transducer. After conversion
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LAN-T Quick reference manual v1.4.3 Benchmark LAN-T Quick reference manual April 2009 V 1.4.3 LAN-T is a trademark of Benchmark Electronic Systems (P) Ltd. This manual contains Benchmark proprietary material. All other trademarks and copyrights belong to the respective owners and are hereby acknowledged. All Rights reserved. This manual may not be copied in whole or in part‚ nor transferred to any other media or language without the express written permission of Benchmark Electronic
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STATEMENT OF PURPOSE A fascination for Science & Technology and keen interest in the ever-growing world of technology motivated me to take up engineering. I choose to major in Electronics and communication engineering with an intense urge to delve into the challenging field. During my under graduation program I learned the various fundamentals of Electronics and communication engineering which together with practical course work reinforces interest. Right from my school‚ I had
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antenna is given by the relation: A = πd2 = π (2Rh) = 3.14 × 2 × 6.4 × 106 × 81 = 3255.55 × 106 m2 = 3255.55 ∼ 3256 km2 Question 15.5: * Answer Amplitude of the carrier wave‚ Ac = 12 V Modulation index‚ m = 75% = 0.75 Amplitude of the modulating wave = Am Using the relation for modulation index: Question 15.6: * Answer It can be observed from the given modulating signal that the amplitude of the modulating signal‚ Am = 1 V It is given that the carrier wave c (t) = 2 sin (8πt)
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1 Define modulation? The process of putting information onto a high frequency carrier for transmission. 2 What is carrier frequency? Carrier frequency is used to designate the nominal frequency of a carrier wave and the center frequency of a frequency modulation signal. 3 Name two reasons modulation is used in communications? The human voice ranges from 20 Hz to 3000 Hz‚ if these were transmitted directly as radio waves‚ the signal would be useless. Because of interference from each signal
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PTU/BOS/EC/101/08-05-2004/BATCH 2004 Punjab Technical University‚ Jalandhar B.Tech. Electronics & Communication Engg. Study scheme 3rd Semester Course code AM-201 EE-201 EC-201 EC-203 Course Title Applied MathematicsIII Network Analysis & Synthesis Electronics Devices & Circuits Electronic Measurement & Instrumentation L 4 3 3 3 T 1 2 1 1 P 0 0 0 0 Int. 40 40 40 40 Ext. 60 60 60 60 TOTAL 100 100 100 100 Object Oriented CS –252 Programming using C++ Lab.-I (Electronic EC-205 Devices & Networks)
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chapter 3 Amplitude Modulation Fundamentals n the modulation process‚ the baseband voice‚ video‚ or digital signal modifies another‚ higher-frequency signal called the carrier‚ which is usually a sine wave. A sine wave carrier can be modified by the intelligence signal through amplitude modulation‚ frequency modulation‚ or phase modulation. The focus of this chapter is amplitude modulation (AM). I Carrier Amplitude modulation (AM) Objectives After completing this chapter‚ you
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Communication Channels Mai Chao Thao MGT 521 May 29‚ 2011 John Farley Communication Channels Global marketing is a major leap for the business at hand; thus‚ it requires the richest communication channel‚ oral communication in the form of a conference. This form of communication is rapid and has a built-in feedback mechanism‚ which will lead to the creation of the most effective marketing strategy (Robbins‚ 2011). Additionally‚ oral communication minimizes
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Modulation is a technique in which a signal is imbedded in another signal which is known as the carrier signal. Modulation makes it possible to increase the quality of the signal‚ use smaller antenna‚ and have more flexibility for bandwidth adjustments. Modulation type is dependent on whether it is angular or amplitude. Angular modulation or sinusoidal angular modulation “is the variation in the angle of a sine-wave carrier “ (angle modulation‚ 2015)phase modulation and frequency modulation
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EINSTEIN COLLEGE OF ENGINEERING Sir.C.V.Raman Nagar‚ Tirunelveli-12 Department of Electronics and Communication Engineering Subject Code: EC-76 “ELECTRONIC SYSTEM DESIGN LAB” Name Reg No Branch Year & Semester : …………………………………… : …………………………………… : …………………………………… : …………………………………… EC-76 ESD LAB MANUAL LIST OF EXPERIMENTS Exp.No 1 2 3 4 Name of the experiment DESIGN OF AN INSTRUMENTATION AMPLIFIER Page No DESIGN OF AC/DC VOLTAGE REGULATOR USING SCR DESIGN OF PROCESS CONTROL TIMER i) DESIGN OF
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