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研究生: 紀宗億
Ji, Zong-Yi
論文名稱: 無線心電圖通信晶片之研製
The Study and Implementation of Wireless ECG Communication Chip
指導教授: 羅錦興
Luo, Ching-Hsing
學位類別: 碩士
Master
系所名稱: 電機資訊學院 - 電機工程學系
Department of Electrical Engineering
論文出版年: 2004
畢業學年度: 92
語文別: 中文
論文頁數: 75
中文關鍵詞: 無線心電圖射頻發射機射頻接收機
外文關鍵詞: wireless ECG, transmitter, receiver
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  •   本論文係以CMOS製程研製無線心電圖通信晶片,為了要容易整合成單一晶片,我們不採用現有可用的通訊技術(無線網路以及藍芽技術),而是採用自行設計的無線通訊系統,規格如下:操作頻率:2.4GHz-2.4835GHz ISM band、傳輸距離:10-15公尺、頻道數:40、調變方式:FSK,採用二次升頻發射機架構和超外差式接收機架構,中頻頻率為320MHz-400MHz。
      依據我們所訂出的電路規格,以TSMC 0.25μm 1P5M CMOS製程製作射頻發射機(PA、MIXER、VCO)以及射頻接收機(LNA、MIXER、VCO),射頻發射機經量測其增益約為12dB,最大輸出功率可達0dBm;射頻接收機電路模擬雜訊指數約為3.849dB,增益為16dB,輸入1dB壓縮點約在-27dBm。
      若能繼續整合其他電路實現無線通信晶片於單一晶片,相信對於醫療方面技術將有一定的貢獻。

      The thesis presents the design and implementation of wireless ECG communication chip in CMOS process. In order to integrate the system in a chip easily, we don’t adopt any present wireless communication model, such as Bluetooth and WLAN. Otherwise, we adopt a simple wireless communication system designed by ourselves. The specifications of our designed system are: Operating frequency: ISM band 2.4GHz-2.4835GHz, Transmition distance: 10m-15m, Channel number: 40, and Modulation type: FSK. We adopt two-step transmitter and super-heterodyne receiver structure and the immediate frequency is 320MHz-400MHz.
      According to the specifications of circuit designed by us, we design and implement the RF transmitter (PA/MIXER/VCO) and RF receiver (LNA/MIXER/VCO) in TSMC 0.25μm CMOS process. With measurement, the RF transmitter exhibits a conversion gain of 12dB and the maximum power out of it can achieve 0dBm. The specifications of RF receiver we simulated are noise figure of 3.849dB, conversion gain of 16dB, and input P1dB of –27dBm.
      If we can integrate other circuits in a chip to implement wireless ECG communication chip, our chip will provide contribution to the technology of medicine.

    第一章 序論 1 1-1 前言 1 1-2 研究目的與方法 2 1-3 章節提要 3 第二章 無線心電圖系統原理 4 2-1 心電圖介紹 4 2-1-1 心電圖原理………………………4 2-1-2 標準肢導系統……………………5 2-2 無線心電圖系統架構規劃 7 2-2-1 前端類比放大放路………………7 2-2-2 無線通訊系統考量………………8 2-2-3 無線數位通訊系統規劃…………10 2-2-4 射頻發射機及接收機……………11 第三章 無線心電圖通信晶片介紹 16 3-1 射頻基本概念 16 3-2 射頻電路原理介紹 20 3-2-1 低雜訊放大器……………………20 3-2-2 混波器……………………………24 3-2-3 電壓控制震盪器…………………27 3-2-4 功率放大器………………………30 3-3 射頻前端系統規劃 33 3-3-1 系統規劃…………………………33 3-3-2 系統模擬…………………………36 第四章 無線心電圖通信晶片之實現 38 4-1 射頻前端發射機 38 4-1-1 發射機電路設計…………………38 4-1-2 發射機電路模擬…………………43 4-1-3 量測結果及佈局平面圖…………47 4-1-4 射頻發射機結果討論……………50 4-2 射頻前端接收機 50 4-2-1 接收機電路設計…………………50 4-2-2 接收機電路模擬及佈局平面圖…54 第五章 結論與未來展望 58 5-1 結論 58 5-2 未來展望 58 附錄A 單端平衡混波器晶片製作 63 A-1 設計流程 63 A-2 模擬與量測結果 64 A-3 結果與討論 68 附錄B 環形震盪器晶片製作 69 B-1 架構介紹 69 B-2 模擬結果以及佈局平面圖 71

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