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篇名 應用於生醫系統之可調阻值式金氧互補半導體虛擬電阻設計
卷期 143
並列篇名 CMOS Pseudo Resistor Design with Tunable Resistance Capability for Biomedical Systems
作者 龔存雄姚凱文薛木添
頁次 134-140
關鍵字 生醫工程生醫訊號擷取低功耗放大器低頻濾波器金氧互補半導體Biomedical EngineeringBiosignal AcquisitionLow-power AmplifierLow-frequency FilterComplementary Metal-Oxide-Semiconductor
出刊日期 201202

中文摘要

本論文就生醫訊號擷取亟欲解決的課題之一-高通濾波中之低頻截止點的穩定性,進行一探討。文中會就系統觀念、前案探討,以及用以達成消除來自感測元件端的引入直流偏移所提出之電路架構就其分析與模擬進行一完整論述。除此之外,本文也將放在如何使提出之架構達成兼顧低功耗與低硬體成本之穩定、具寬廣操作電壓範圍,且可調之高阻值的實現方式等方面來進行討論。

英文摘要

This paper addresses one of the most important problems for biosignal acquisition- stability regarding the low-frequency cutoff of the high-pass filtering. The paper covers the technical contents of analysis and
simulation for system idea, literature survey, and circuit achieving sensor-output-associated DC offset removal. In addition, the paper discusses how the proposed design can have stable, wide operation voltage
range, and tunable high resistance without sacrificing low power consumption and low hardware overhead.

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