Notebook

The major topics in Power Systems for Gate 2016 are as follows: The major topics in Power Systems for Gate 2016 are as follows: A. Transmission and Distribution 1.     overhead transmission lines  ·           memorize the expressions for...

TV receiver The receiving antenna intercepts the radiated picture and sound carrier signals and feeds them to the RF tuner . The receiver is of the heterodyne type and employs two or three stages of intermediate frequency (IF) amplification. The output from the last IF stage is demodulated to recover the video signal....

TV transmitter-Block diagram adfl...

Picture transmission The picture information is optical in character and may be thought of as an assemblage of a large number of bright and dark areas representing picture details. These elementary areas into which the picture details may be broken up are known as ‘picture elements’, which when viewed together, represent...

Television Tele- vision- To see from a distance First demonstration -J.L. Baird in UK and C.F. Jenkins in USA around 1927  Technique of mechanical scanning employing rotating discs CRT- Cathode Ray Tube First camera tube (the iconoscope) 1930- electromagnetic scanning of both camera and picture tubes...