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  • Title: A three-level amplitude discriminator for the separation of multi-unit electrophysiological information.
    Author: Adler D, Mahler Y, Saphier D.
    Journal: Int J Neurosci; 1987 Feb; 32(3-4):989-93. PubMed ID: 3596943.
    Abstract:
    A device is described that consists of two parallel, three-level differential amplitude discriminators suitable for the selection of electrophysiological data. The present device has been designed for simplicity of construction and operation. The unit allows for a visualisation of the selected levels in precise relationship to the input signal oscilloscope channel. The design eliminates the possibility that a lower level will exceed a higher level. The resulting ease with which complex multi-unit electrophysiological data may be discriminated for analysis using the three digital reference level outputs, makes this instrument suitable for a wide range of electrophysiological experiments.
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