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Note for Television and Video Engineering - TVE By Mohit Katiyar

  • Television and Video Engineering - TVE
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Mohit Katiyar
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A Course Material on TELEVISION AND VIDEO ENGINEERING By Mr. B.RAJAGNANAPAZHAM ASSISTANT PROFESSOR DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING SASURIE COLLEGE OF ENGINEERING VIJAYAMANGALAM – 638 056

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EC 2034 TELEVISION AND VIDEO ENGINEERING QUALITY CERTIFICATE This is to certify that the e-course material Subject Code : EC 2034 Subject : TELEVISION AND VIDEO ENGINEERING Class : IV Year ECE being prepared by me and it meets the knowledge requirement of the university curriculum. Signature of the Author Name: Mr.B. RAJAGNANAPAZHAM Designation: Assistant Professor This is to certify that the course material being prepared by Mr.B.RAJAGNANAPAZHAM is of adequate quality. He has referred more than five books among them minimum one is from abroad author. Signature of HD Name: Dr.K.PANDIARAJAN SEAL SCE 2 ECE DEPARTMENT

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EC 2034 TELEVISION AND VIDEO ENGINEERING EC2034 TELEVISION AND VIDEO ENGINEERING UNIT I FUNDAMENTALS OF TELEVISION Aspect ratio-Image continuity-Number of scanning lines-Interlaced scanning-Picture resolution-Camera tubes-Image Orthicon-Vidicon- Plumbicon- Silicon Diode Array Vidicon- Solid-state Image scannersMonochrome picture tubes- Composite video signal- video signal dimension-horizontal sync. Compositionvertical sync. Details functions of vertical pulse train- Scanning sequence details. Picture signal transmission positive and negative modulation- VSB transmission- Sound signal transmission- Standard channel bandwidth. UNIT II MONOCHROME TELEVISION TRANSMITTER AND RECEIVER TV transmitter-TV signal Propagation- Interference- TV Transmission Antennas-Monochrome TV receiver- RF tuner- UHF, VHF tuner-Digital tuning techniques-AFT- IF subsystems-AGC Noise cancellation-Video and Sound inter-carrier detection-Vision IF subsystem- DC re-insertion-Video amplifier circuits-Sync operation- typical sync processing circuits-Deflection current waveforms, Deflection oscillators- Frame deflection circuits- requirements- Line deflection circuits-EHT generationReceiver antennas. UNIT III ESSENTIALS OF COLOUR TELEVISION Compatibility- Colour perception-Three colour theory- Luminance, Hue and saturation- Colour television cameras-Values of luminance and colour difference signals-Colour television display tubes-Delta-gun Precision-in-line and Trinitron colour picture tubes- Purity and convergence- Purity and static and Dynamic convergence adjustments- Pincushion-correction techniques-Automatic degaussing circuit- Gray scale tracking colour signal transmission- Bandwidth-Modulation of colour difference signals-Weighting factorsFormation of chrominance signal. UNIT IV COLOUR TELEVISION SYSTEMS NTSC colour TV systems-SECAM system- PAL colour TV systems- Cancellation of phase errors-PAL-D Colour system-PAL coder-PAL-Decoder receiver-Chromo signal amplifier-separation of U and V signalscolour burst separation-Burst phase Discriminator-ACC amplifier-Reference Oscillator-Ident and colour killer circuits-U and V demodulators- Colour signal matrixing. Sound in TV UNIT V ADVANCED TELEVISION SYSTEMS Satellite TV technology-Geo Stationary Satellites-Satellite Electronics-Domestic Broadcast System-Cable TV-Cable Signal Sources-Cable Signal Processing, Distribution & Scrambling- Video Recording-VCR Electronics-Video Home Formats- Video Disc recording and playback-DVD Players-Tele Text Signal coding and broadcast receiver- Digital television-Transmission and reception –Projection television-Flat panel display TV receivers-LCD and Plasma screen receivers-3DTV-EDTV. TEXTBOOKS: 1. R.R.Gulati, “Monochrome Television Practice, Principles, Technology and servicing.” Third Edition 2006, New Age International (P) Publishers. 2. R.R.Gulati, Monochrome & Color Television, New Age International Publisher, 2003. REFERENCES: 1. A.M Dhake, “Television and Video Engineering”, 2nd ed., TMH, 2003. 2. R.P.Bali, Color Television, Theory and Practice, Tata McGraw-Hill, 1994 SCE 3 ECE DEPARTMENT

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EC 2034 TELEVISION AND VIDEO ENGINEERING EC 2034 TELEVISION AND VIDEO ENGINEERING S.NO PAGE. NO CONTENTS UNIT I FUNDAMENTALS OF TELEVISION 9 1.1 ASPECT RATIO 1.2 IMAGE CONTINUITY 1.3 NUMBER OF SCANNING LINES 1.4 INTERLACED SCANNING 1.5 PICTURE RESOLUTION 1.6 CAMERA TUBES 1.7 IMAGE ORTHICON 1.8 VIDICON 1.9 PLUMBICON 1.10 SILICON DIODE ARRAY VIDICON 1.11 SOLID-STATE IMAGE SCANNERS 1.12 MONOCHROME PICTURE TUBES 1.13 COMPOSITE VIDEO SIGNAL 1.14 VIDEO SIGNAL DIMENSION 1.15 HORIZONTAL SYNC. COMPOSITION 9 12 14 17 18 23 28 32 34 35 39 41 42 45 1.17 VERTICAL SYNC. DETAILSFUNCTIONS OF VERTICAL PULSE TRAIN SCANNING SEQUENCE DETAILS. PICTURE SIGNAL TRANSMISSIONPOSITIVE AND NEGATIVE MODULATION 1.18 VSB TRANSMISSION 1.16 SCE 47 55 57 4 ECE DEPARTMENT

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