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博碩士論文 etd-0711107-144907 詳細資訊
Title page for etd-0711107-144907
論文名稱
Title
適用於神經紀錄之低雜訊儀表放大器與可植入式低功率膀胱壓力訊號檢測系統
A Low-noise Instrumentation Amplifier for Neural Signal Sensing and a Low-power Implantable Bladder Pressure Monitor System
系所名稱
Department
畢業學年期
Year, semester
語文別
Language
學位類別
Degree
頁數
Number of pages
71
研究生
Author
指導教授
Advisor
召集委員
Convenor
口試委員
Advisory Committee
口試日期
Date of Exam
2007-06-21
繳交日期
Date of Submission
2007-07-11
關鍵字
Keywords
壓力、儀表放大器、神經訊號、膀胱
bladder, neural signals, instrumentation amplifier, pressure
統計
Statistics
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The thesis/dissertation has been browsed 5650 times, has been downloaded 0 times.
中文摘要
本論文有兩大主題:適用於神經紀錄之低雜訊儀表放大器與可植入式低功率膀胱壓力訊號量測系統。
第一個主題提出一適用於生物醫學訊號量測的低雜訊放大器。其具有高增益、高共模拒斥比與適當的頻帶,尤其是有利於處理微小的神經訊號。
第二個主題探討一低功率膀胱壓力訊號檢測系統,其中包含由儀表放大器、類比數位轉換器、並列序列轉換器與自動休眠裝置構成的單晶片系統。前述放大器可處理一大氣壓以上預定之範圍的膀胱壓力,以增加解析度與線性度;並列序列轉換器加入辨識旗標再傳出,增加可靠度;自動休眠裝置則是有效降低系統平均功率,延長電池的使用時間,使長期觀測成為可能。
Abstract
The thesis is composed of two topics : a low-noise instru-mentation amplifier (IA) for neural signal sensing and a low-power implantable bladder pressure monitor SOC (system-on-chip).

A low-noise instrumentation amplifier for bio-medical appli-cations is proposed in the first topic. It is designed for sampling vague neural signals thanks to its high gain, high CMRR in a pre-defined bandwidth.

A low-power implantable bladder pressure monitor system is presented in the next topic. The system contains several parts : a commercial pressure sensor, an IA, an analog to digital converter (ADC), a parallel to serial converter (PtoS), an RF transmitter and a sleep controller. The IA with 1-atm canceling is designed for high resolution and linearity in the pre-defined bladder pressure range. For low power and low speed applications, a successive approximation ADC (SA ADC) is employed in the system. A clear flag is added to the PtoS to enhance reliability. Our chip saves a great portion of power to extend the processing time owing to the novel sleep controller.
目次 Table of Contents
目錄
致謝 i
摘要 ii
Abstract iii
目錄 iv
圖目錄 vii
表目錄 xi
第一章 概論 1
1.1 研究動機 1
1.2 相關技術與文獻探討 2
1.2.1 適用於神經紀錄之低雜訊儀表放大器 2
1.2.2 可植入式低功率膀胱壓力訊號檢測系統 3
1.3 論文架構 4
第二章 適用於紀錄神經訊號之低雜訊儀表放大器 5
2.1 簡介 5
2.2 電路架構 6
2.3 電路設計 8
2.3.1 第一級前端放大器 8
2.3.2 第二級帶通濾波器 9
2.3.3 第三級直流準位提升暨輸出級 11
2.3.4 預計規格 13
2.4 電路模擬與晶片量測 14
2.4.1 電路模擬結果 14
2.4.2 晶片實作與量測結果 17
2.5 晶片實作量測之討論 21
第三章 可植入式低功率膀胱壓力訊號檢測系統 26
3.1 簡介 26
3.2 系統架構 27
3.3 電路設計 28
3.3.1 儀表放大器 28
3.3.2 連續逼近式類比數位轉換器 30
3.3.3 並列序列訊號轉換器 32
3.3.4 時間控制與時脈產生電路 33
3.3.5 預計規格 35
3.4 電路模擬跟晶片量測 36
3.4.1 電路模擬結果 36
3.4.2 晶片實作與量測結果 41
3.5 晶片實作量測之討論 51
第四章 結論與成果 54
參考文獻 55
參考文獻 References
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