Abstract
A small battery-powered instrument generates sinusoidal pulses of approximately the shape of neuronal pulses. The output consists of alternate positive and negative pulses across a 10 k ohm source resistance. Such a signal allows a quick assessment of the amplification system and indicates possible losses through shunt capacitances along the connections between S and amplifier input.
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References
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PUGH, A. Zero phase-shift multivibrators. Electronic Engineering, 1965, 37, 24–25.
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Development of this apparatus was supported by grants to Dr. R. B. Malmo from National Research Council and Defence Research Board of Canada and U.S. National Institute of Mental Health.
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Mundl, W.J. Simulated unit pulses for calibrating. Behav. Res. Meth. & Instru. 2, 139 (1970). https://doi.org/10.3758/BF03211024
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DOI: https://doi.org/10.3758/BF03211024