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A television transmitter is a device which broadcasts an electromagnetic signal to the television receivers. Television transmitters may be analog or digital. The principals of primarily analog systems are summarized as they are typically more complex than digital transmitters due to the multiplexing of VSB and FM modulation stages. == Types of transmitters == There are many types of transmitters depending on * The system standard * Output power * Back up facility, usually the Modulator, Multiplexer and Power Amplifier * Stereophonic (or dual sound) facility, for analogue TV systems * Aural and visual power combining principal, for analogue TV systems * Active circuit element in the final amplifier stage 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Television transmitter」の詳細全文を読む スポンサード リンク
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