On the Electrical Origin of Flicker Noise in Vacuum Devices

  title={On the Electrical Origin of Flicker Noise in Vacuum Devices},
  author={J. I. Izpura},
  journal={IEEE Transactions on Instrumentation and Measurement},
We have recently shown that thermal noise in the space-charge regions of solid-state devices can account for most of their excess noise, whose 1/f spectrum is produced by the DC bias that was used to convert resistance noise into a voltage noise to be measured. This spectrum reflects the modulation of an energy barrier that confines carriers along the channel of such devices-a feature that was also found for electrons around cathodes of vacuum tubes. Using this novel theory, we can predict a… CONTINUE READING
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