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8EC2-RADAR & TV ENGINEERING |
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UNIT 1 : RADAR - |
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Radar Block diagram, frequencies and applications. Radar range equation. |
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Continuous wave (CW) & FM radar; Moving target indicator (MTI) : Delay line cancellers, blind velocity |
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Pulse Doppler Radar. Tracking radar sequential lobbing, Conical scan and monopulse radar, Types of |
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display, Radar receivers, Noise figure. |
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UNIT 2 : NAVIGATIONAL AIDS |
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- Principle of operation of Radar direction finder & range system. |
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LORAN system, DME, TACAN, Aircraft landing systems. |
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UNIT 3 : TV ENGINEERING- |
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Theory of scanning standards, Principles of Monochrome and colour T.V. |
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system (PAL, SECAM, NTSC). Composite video signal analysis. |
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T.V Cameras : Image orthicon, plumbicon, vidicon. CCD camera tubes. |
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Types of Monochrome and colour picture tubes, set-up adjustments. LCD and Plasma displays |
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UNIT 4 : |
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Picture, colour and sound carriers. Vestigial side band transmission. Encoding picture |
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information. Chrominance modulation. Compatibility of colour and monochrome T.V. systems. Block |
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diagram of T.V. transmitters. TV transmission & reception antennas. |
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UNIT 5 :TV RECEIVER: |
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Functional block diagram of T.V. receiver, R.F. Tuner, I.F. amplifier, Video |
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detector, video amplifier, AGC, Synch. Separation, Sync. Processing and AFC. Deflection oscillators, |
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vertical & horizontal deflection and sound system circuits. EHT generation. Common faults and their |
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diagnosis. Basic idea of HDTV, DBS-TV and 3D-TV. |