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Stochastic resonance in a summing network with varied thresholds was investigated using GaAs-based etched nanowire field-effect transistors having different threshold voltages. The network’s response adapted to input offset fluctuations in the range of the threshold voltage variation and the network could detect a weak signal without any adjustment of the input offset or the addition of high noise. The observed adaptability resulted from a widened dynamic range of the system due to signal decomposition and reconstruction by multiple thresholds together with the output summation process.
Published in:
Applied Physics Letters
(Volume:96
,
Issue:
19
)
Date of Publication: May 2010
- Page(s):
- 194102 - 194102-3
- ISSN :
- 0003-6951
- Digital Object Identifier :
- 10.1063/1.3428784
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 18 May 2010
- Issue Date :
- May 2010
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