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split sound system
Split sound is an old system in analog television transmitters. It has long been superseded, but transmitters working on this principle are still in use. In this system there are two almost independent transmitters, one for sound (aural) and one for picture (visual). The system requires more energy input relative to broadcast energy than the alternative system known as intercarrier system.
== Main stages of a transmitter ==
All superheterodyne transmitters have the following stages:
*Oscillators
*Input stages :Buffer amplifiers, correction circuits etc.
*IF modulator and IF amplifiers
*Frequency mixer
*RF power amplifiers
*Antenna system
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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