Syllabus
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Course Code: EEM -301 Course Name: Operational Principles of Audio and Video Systems |
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| MODULE NO / UNIT | COURSE SYLLABUS CONTENTS OF MODULE | NOTES |
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| 1 | Superheterodyne Receivers: Principles, advantages, block diagram, RF input and coupling AF
coupling arrangements, RF amplifiers, mixer, local oscillator, IF amplifier, detector, audio amplifier,
loud speaker, power requirements. High Fidelity & Stereophony: High Fidelity, Stereophony and Monophony (difference), Ideal & Practical Stereo System, Quadraphonic sound system, stereophonic recording on Disc and Reproduction, block diagram of stereo recording on disc, Hi-Fi stereo reproducing system, Stereo Controls, Troubleshooting of Stereo Amplifier. |
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| 2 | Television Receiver: schematic block diagram and functions of different sections, Analysis of TV Picture:Gross structure, Image continuity, number of scanning lines, flicker, fine structure. CompositeVideoSignal:Video Signal dimensions, Horizontal& Vertical synchronous details, vestigial sidebandtransmission. Video Detector: video signal detection (Basic idea), basic video detector, video detector requirements. |
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| 3 | Video Section Fundamentals: Video amplifiers, Transistor video amplifier, contrast control methods, Direct coupled video amplifier, Advantages of AGC, various AGC systems, merits of keyed AGC system. | |
| 4 | Deflection Oscillators: Deflection current waveform, generation of driving voltage waveform,
Requirements of vertical deflection stage (in brief). Sound System: Sound signal separation, sound take off circuits, audio O/P state. RF Tuner: Tuner operation and its functions, various sections of VHF tuner. Video IF Amplifier: Video IF Section, IF amplifier, Adjacent channel interference. |
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