| 研究生: |
蘇碩彬 Shuo-Bing Su |
|---|---|
| 論文名稱: |
異質接面雙極性電晶體之大訊號模型建立及其在功率放大器之應用 A Large-Signal Model Establishment and Power Amplifier Application of HBTs |
| 指導教授: |
詹益仁
Yi-Jen Chan |
| 口試委員: | |
| 學位類別: |
碩士 Master |
| 系所名稱: |
資訊電機學院 - 電機工程學系 Department of Electrical Engineering |
| 畢業學年度: | 90 |
| 語文別: | 中文 |
| 論文頁數: | 84 |
| 中文關鍵詞: | 異質接面雙極性電晶體 、大訊號模型 、功率放大器 |
| 外文關鍵詞: | large signal model, power amplifier, HBT |
| 相關次數: | 點閱:9 下載:0 |
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在本論文中,利用一回授電流源加在Gummel-Poon本質模型的基射極間模擬異質接面雙極性電晶體的熱效應,且加入元件之寄生效應以建立異質接面雙極性電晶體大訊號等效電路模型,對於直流、交流和非線性特性都能準確的模擬,此模型可以應用於一般實際的微波電路設計。
利用單晶微波積體電路的製程,用InGaP/GaAs HBT設計出一個應用於5.2 GHz WLAN系統的兩級功率放大器,。
利用異質接面雙極性電晶體的基射極接面之二極體配合一並聯電容組合一主動偏壓電路,在不犧牲額外的功率損耗情形下,取代傳統電阻式偏壓方式,設計出一個單級功率放大器,可以改善功率放大器非線性因素—增益壓縮。
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