1 条结果 关键词:生物传感器接口 ×

Design of a wideband CMOS impedance spectroscopy ASIC analog front-end for multichannel biosensor interfaces.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference 2015 Valente V, Dai Jiang, Demosthenous A

本文提出一种用于电阻抗谱(EIS)的灵活、可编程模拟前端(AFE)电路的初步设计与仿真结果。该AFE是全集成多频EIS平台的一部分,可同时支持电流读出和电压读出。电流读出通道由跨阻放大器(TIA)和自动增益控制(AGC)单元组成,TIA反馈电阻可切换为10 kΩ、50 kΩ或100 kΩ,AGC采用动态峰值检测器跟踪输入电流幅值,并...