ELECTIVE (B-TECH Electronics and Communication Engineering 7-8th)

General Introduction Sound and picture transmission, Sound and picture reception,

picture elements, frame and field frequencies, scanning process, interlaced scanning

,resolution- vertical resolution, horizontal resolution ,video bandwidth, receiver controls.

Composite video signals and TV standards Construction of composite signal,

Horizontal & vertical sync details, scanning sequence details, functions of composite

video signal.

Picture carrier signal transmission Negative transmission, vestigial side-band

channel allocations, T.V. studio / control room.

Television Camera and Picture Tube Camera lenses, T. V. camera tubes- Image

orthicon, vidicon, plumbicon, comparison of various T.V. camera tubes, monochrome

picture tube- principle of operation and characteristics.

Broadcast Television receivers Design specifications for T.V. receiver in India, R. F.

tuner, Block diagram of V.H.F tuner, types of tuners, transistor tuners, video I.F.

amplifier, synchronisation and staggered tuning, inter stage coupling methods, types of

trap circuits, transistor video I.F. amplifier circuits , video detector, D.C. component

restoration, sound I.F. take off, video amplifier requirements, low frequency

compensation, H. F. compensation ,A G.C- its types, and E.H.T. generation,

synchronising circuits and control oscillators, horizontal deflection circuits, vertical

deflection circuits, alignment of monochrome and colour T.V. receivers.

Colour Television Colour fundamentals, mixing of colours and colour reception,

chromaticity diagram, colour picture tubes and its types, colour T.V. transmission and

reception-frequency interleaving, modulation of colour difference signals, colour burst

signal, weighting factors.