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Rubber diode : ウィキペディア英語版 | Rubber diode
In electronics, a rubber diode or V multiplier is a Bipolar junction transistor circuit that serves as a voltage reference. It consists of one transistor and two resistors, and the reference voltage across the circuit is determined by the selected resistor values and the base-to-emitter voltage (V) of the transistor. The circuit behaves as a voltage divider, but with the voltage across the base-emitter resistor determined by the forward base-emitter junction voltage. It is commonly used in the biasing of push-pull output stages of amplifiers, where one benefit is thermal compensation: The temperature-dependent variations in the multiplier's V, can be made to match variations occurring in the V of the power transistors by mounting to the same heat sink. In this context, it is sometimes called a bias servo. ==References==
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「Rubber diode」の詳細全文を読む
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