一个基于0.5VMI-OTA的影子通用过器,集成通带增强补偿和低通控制,用于低频应用
Montree Kumngern1, Fabian Khateb2,3, Tomasz Kulej4
1Department of Telecommunications Engineering, School of Engineering, King Mongkut's Institute of Technology Ladkrabang, Bangkok, 10520, Thailand. montree.ku@kmitl.ac.th.
这项研究引入了用于生物信号传感的超低功耗活性波器. 新的电压模式影子通用过器使用多输入操作传导放大器 (MI-OTA) 进行高效的低电压操作.
科学领域:
- * 电气工程 电气工程
- * 模拟集成电路设计
- * 生物医学工程 * 生物医学工程
背景情况:
- * 超低功耗活性过器对于生物信号传感和可穿戴设备至关重要.
- * 现有的过器经常在低供应电压和高功耗的情况下扎.
- *模拟前端的干扰噪声需要有效的过解决方案.
研究的目的:
- * 介绍一款新的电压模式阴影通用过器.
- * 为了实现超低功耗和低压运行.
- * 为了实现生物信号处理的多功能过功能.
主要方法:
- *使用多输入操作传导放大器 (MI-OTAs) 设计电压模式通用过器.
- *通过多输入散装驱动的MOS晶体管 (MIBD-MOST) 技术实现MI-OTA功能,以实现广泛的输入摆动和低电压.
- * 利用下值操作来降低功耗.
- *使用Cadence Virtuoso与TSMC 65nm CMOS技术进行模拟.
主要成果:
- * 拟议的MI-OTA占据了一个148μm × 89μm的面积.
- * 在0.5V供应和31.2Hz切断频率下,实现了350nW的超低功耗.
- * 证明了多功能过器功能,包括LPF,HPF,BPF,BSF和APF.
- * 实验验证使用商用IC证实了功能.
结论:
- *新的过器设计适用于低压,低功耗的应用.
- * 对于低频生物信号处理 (例如,EEG,EGG) 和传感器接口特别有效.
- * 为增强可穿戴电子产品中的模拟前端提供了有前途的解决方案.
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