Picture Tube
Picture Tube: The Picture Tube is the costliest and most important part of a television receiver. The picture tube is a cat…
Picture Tube: The Picture Tube is the costliest and most important part of a television receiver. The picture tube is a cat…
Monochrome TV Receiver: Monochrome TV Receiver has the following blocks. 1. TV Receiving Aerial: the TV signal radiated by …
Monochrome TV Transmitter: Figure shows the simplified block diagram of a television transmitter. The video signals obtaine…
Positive and Negative Modulation: We use AM for video signal. Generally, the amplitude of the carrier increases with increa…
Composite Video Signal: The composite video signal is the video signal into which blanking and synchronizing pulses are ins…
Blanking, Retrace, Synchronizing and Equalizing Pulses: In TV, ‘blanking’ means ‘going to black’ as part of the video signal…
TV Standard and Frequency Requirements: (a). American Standards: Figure (a). The band of frequencies assigned to a station …
Calculation of Approximate Bandwidth in 625 Line Systems: We know that for transmission, TV picture is divided into a number…
Sequential and Interlaced scanning: The division of picture into many horizontal lines called scanning. Scanning can be com…
TV Camera Tubes: Camera is the first and basic equipment in a TV. The input to a camera is the light from the picture or s…