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A Piezoelectric Biologically Plausible Spiking Neuron | IEEE Conference Publication | IEEE Xplore

A Piezoelectric Biologically Plausible Spiking Neuron


Abstract:

This paper presents a force sensitive circuit, based on a CMOS-compatible pressure sensitive Piezo-FET and a low-power quadratic integrate-and-fire CMOS neuron. The neuro...Show More

Abstract:

This paper presents a force sensitive circuit, based on a CMOS-compatible pressure sensitive Piezo-FET and a low-power quadratic integrate-and-fire CMOS neuron. The neuron operates within a biologically plausible frequency range of DC to 1.2 kHz, depending on the applied force input. The circuit is able to work in either a low-force-detection, a low-power or a bio-mode, in which firing patterns are generated that are representative of slow adapting sensory cells. Depending on the chosen parameters, different output spike pattern can be generated. In the low-force-detection mode, a minimum force of 30mN can be detected. The power consumption is between 940nW in low-power mode and 4.5 μW in low-force-detection mode. A sensitivity of 200 Hz/N is reached in the bio-mode.
Date of Conference: 21-25 May 2023
Date Added to IEEE Xplore: 21 July 2023
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Conference Location: Monterey, CA, USA

References

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