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・ Repeatable Battery for the Assessment of Neuropsychological Status
・ Repeated Absences
・ Repeated game
・ Repeated measures design
・ Repeated Offender
・ Repeated sequence (DNA)
・ Repeater
・ Repeater (album)
・ Repeater (band)
・ Repeater (disambiguation)
・ Repeater (horology)
・ Repeater Glacier
・ Repeater insertion
・ Repeaters
・ Repeating circle
Repeating coil
・ Repeating crossbow
・ Repeating decimal
・ Repeating rifle
・ Repeating waveforms
・ Repeatome
・ Repechage
・ Repedea
・ Repedea Hill Fossil Site
・ Repedea River (Bistrița)
・ Repedea River (Latorița)
・ Repedea River (Ruscova)
・ Repedea River (Șușița)
・ Repejioara River
・ Repejov


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Repeating coil : ウィキペディア英語版
Repeating coil
In telecommunications, a repeating coil is a voice-frequency transformer characterized by a closed magnetic core, a pair of identical balanced primary (line) windings, a pair of identical but not necessarily balanced secondary (drop) windings, and low transmission loss at voice frequencies. It permits transfer of voice currents from one winding to another by magnetic induction, matches line and drop impedances, and prevents direct conduction between the line and the drop.
It is a special application of an isolation transformer, and is often used to prevent ground loops or earth loops, which cause humming or buzzing in audio circuits. It also prevents low direct current voltages from passing.
==References==



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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