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Quasistationary noise in resistors

Quasistationary noise in resistors

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© The Institution of Electrical Engineers
Published

Carbon resistors, operated at very low currents, showed a quasistationary noise spectrum at very low frequencies. Over long periods the stationary noise power density followed S(ω) = Kω−β, with β close to unity. Then sudden large fluctuations occurred ending in another stationary period, but K may have changed its value. This behaviour explains a difficulty in repeating l.f. noise measurements.

Inspec keywords: resistors; noise

Subjects: Resistors

References

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