A transmitter sends both audio and video signals over the air waves. Transmitters usually transmit more than one signal (TV channel) at a time. A transmitter modulates both picture and sound into one signal and then send this transmission over a wide range to be received by a receiver (TV set). Dtv Transmitter,Vhf Uhf Tv Transmitter,Terrestrial Tv Transmitter,Tv Channel Transmitter Anshan Yuexing Technology Electronics Co., LTD , https://www.yxhtfmtv.com
The circuit is very simple, and the components have no special requirements and are easy to do.
It is an electronic device that radiates radio waves that carry a video signal representing moving images, along with a synchronized audio channel, which is received by television receivers ('televisions' or 'TVs') belonging to a public audience, which display the image on a screen.