Last Updated
：2025/12/05
Johnson-Nyquist noise
Noun
uncountable
Japanese Meaning
ジョンソン・ナイキスト雑音：平衡状態にある電気伝導体内部で、キャリア（通常は電子）の熱運動により発生する電気雑音。印加電圧の有無にかかわらず生じる。
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The electronic noise generated by the thermal agitation of the charge carriers (usually the electrons) inside an electrical conductor at equilibrium, which happens regardless of any applied voltage.
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Johnson-Nyquist noise
Even in a perfectly quiet laboratory, Johnson-Nyquist noise limits the sensitivity of low-temperature amplifiers used to detect tiny signals.
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Even in a perfectly quiet laboratory, Johnson-Nyquist noise limits the sensitivity of low-temperature amplifiers used to detect tiny signals.
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