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- W3178657620 abstract "A neural spike detection circuit is presented, in which all the amplifiers have an open loop architecture to reduce area and current consumption fundamentally. A new method for controlling the gain of an open loop amplifier is proposed. The gains of instrumentation amplifier (IA) and multiplier are controlled by a DC level of the input. In addition, an instrumentation amplifier (IA) includes a compensation circuit against the fabrication process corners to prevent amplification failure. The compensation circuit detects and adds threshold voltage variations in the compensation feedback loop. The circuit is fabricated using the standard 0.18 μm CMOS process. Changing the DC level at the IA input results in the amplification gain increase up to 650 V/V. The nonlinear amplification control capability of the multiplier is verified as the DC input level changes. The minimum detectable amplitude of neural spike is 100 μVpk. The overall power consumption is 1.4 μW. Integrated input-referred noise is measured to be 7.1 μVrms in a frequency range of 100 Hz to 10 kHz." @default.
- W3178657620 created "2021-07-19" @default.
- W3178657620 creator A5049776008 @default.
- W3178657620 date "2021-06-30" @default.
- W3178657620 modified "2023-10-18" @default.
- W3178657620 title "Neural Spike Detection Circuit with Amplification Method using Input DC Level Control" @default.
- W3178657620 doi "https://doi.org/10.5573/jsts.2021.21.3.183" @default.
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