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APECE-302: Radio & Television EngineeringSession: 2012-13
Credits=3 Number of Lectures= 45 Syllabus: Introduction: The communication process, Sources of information, Communication networks, Communication channels, Analog and digital type of communication; Radio frequency spectrum, Propagation of radio signals; Noise in communication channel: Shot noise, Thermal noise, White noise, Gain in decibel, Signal to noise ratio. Analog Communication System: Amplitude modulation (AM), AM broadcast technical standards, Double sideband suppressed carrier (DSBSC), Single sideband suppressed carrier (SSB), Vestigial sideband (VSB), Phase modulation (PM) and frequency modulation (FM), Envelop detector, Product modulator, AM transmitter (AM modulator), AM demodulator, Superheterodyne receiver, FM transmitters and recivers. Comparison of AM and FM receivers, Noise in receiver, Noise limiting circuits. AGC circuits, Receiver sensitivity, Cross modulation, spurious response converters, Detector and modulation circuits. Digital Modulation Techniques: Digital passband transmission, Amplitude Shift Keying (ASK), Phase Shift Keying (PSK), Differential PSK (DPSK), Frequency Shift Keying (FSK), Quadrature Amplitude Modulation (QAM), MSK, GMSK, M-Ary modulation techniques, Spread spectrum modulation techniques, DSSS, FHSS. Fundamentals of TV: Analysis and synthesis of TV picture, Scanning, Standard scanning pattern, Synchronization, Blanking pulses, Composite video signal, Color video signals, Matrix circuits, Colourplexed composite video signal, Signal transmission, TV channels, Channel bandwidth. TV Camera: Storage type camera tubes: Non-storage type camera tubes; Iconoscope; Image orthicon, Vidicon, Plumbicon, Colour TV camera and other types of camera tubes. TV Receiver & Transmitter: Fundamentals of TV receiver, Picture tubes, Deflection circuit, High voltage power supply, Colour picture tube, Folded dipole with directors and reflectors for TV receiver, TV Transmitter and TV studio design. Digital Television and Video: Video Digitization formats – the 4:2:2 formats, 4:2:0 format, Source Intermediate Format (SIF), Common Intermediate Format (CIF), General compression principles – Run Length Coding, Discrete Cosine Transform (DCT) compression technique, MPEG-1, MPEG-2. Reference Books:
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