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A multi-axis readout circuit using in female ovulation monitoring platform

机译:用于女性排卵监测平台的多轴读出电路

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In this paper, an energy-efficient monitor, including three capacitive and two resistive readout circuits with hardware-sharing architecture, is presented for female ovulation. The proposed design is featuring two calibration modules: one decreases the initial offset by capacitor array, and the other reduces P-V-T variations by taking proportion between sensing and ruler results. After implemented in UMC 0.18μm CMOS-MEMS technology, the post-layout simulation results show that our circuit consumes 30μW and 49μW in 0.8ms conversion time under 1.8V supplied voltage for 1-axis and 3-axis. The capacitive resolution is around 0.1fF and the sensing range of die-temperature is 0~100°C with 0.05°C resolution.
机译:本文针对女性排卵提出了一种节能显示器,该显示器包括三个具有硬件共享架构的电容性和两个电阻性读出电路。拟议的设计具有两个校准模块:一个通过电容器阵列减小初始偏移,另一个通过考虑传感和标尺结果之间的比例来减小P-V-T变化。在采用UMC0.18μmCMOS-MEMS技术实施后,布局后的仿真结果表明,在1轴和3轴提供1.8V供电电压的情况下,我们的电路在0.8ms的转换时间内分别消耗30μW和49μW。电容分辨率约为0.1fF,芯片温度的感测范围为0〜100°C,分辨率为0.05°C。

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