本論文主要分為三部份，第一部份主要是以IEEE 802.11b無線區域網路系統為主，介紹射頻傳收機模組的設計與規劃流程，並詳細說明鏈路預算分析的方法，用以預估射頻傳收機模組之操作性能。第二部分則包含射頻傳收機各級電路之實作與量測，對外部被動電路與測試板之寄生效應詳細的評估與考量，使其電路效能達到預期之規格。第三部份則將各級電路實際整合，並重新佈局以完成一個射頻傳收機模組電路，同時藉由鏈路預算分析的方式預估該模組之整合性能。此外，也實際使用IEEE 802.11b無線區域網路系統之標準調制訊號，對整合模組進行完整之規格測試。整合測試的結果與鏈路預算一致，也完全符合IEEE 802.11b無線區域網路規範之需求。

This thesis consisted of three parts. Part 1 introduced the design procedure of an RF transceiver modules for IEEE 802.11b WLAN system. It contained the selection of RF architectures, frequency planning, and the receiver link budget analysis flow. Part 2 focused on the implementation of each stage in the whole RF link. The design considerations of choosing passive elements and the parasitic effect of the evaluation board are discussed. Part 3 integrated the whole RF transceiver module and estimated the performance of this module through the link budget analysis method. Furthermore, a complete specification measurement was accomplished by using the standard test signals. The test results confirmed with the budget results, and also pass the specification of IEEE 802.11b WLAN system.

第一章 緒論 1
1.1 背景與沿革 1
1.2 無線區域網路系統簡介 2
1.3 鏈路預算分析之概念簡介 3
1.4 章節介紹 5
第二章 無線區域網路射頻架構與鏈路預算原理 6
2.1 射頻傳收機架構 6
2.1.1 外差式射頻傳收機 8
2.1.2 直接轉頻式射頻傳收機 12
2.2 鏈路預算分析原理 16
2.2.1 無線區域網路之規格參數簡介 17
2.2.2 鏈路預算分析 27
第三章 IEEE 802.11b無線區域網路射頻傳收機模組 44
3.1 Prsim 2.0之系統架構介紹與分析 44
3.1.1 Prsim 2.0 射頻架構介紹 45
3.1.2 Prsim 2.0 頻率規劃之分析 47
3.2 無線區域網路射頻傳收機訊號產生源之研製 51
3.2.1 載波產生源之製作與量測─748 MHz之電壓控振盪器 51
3.2.4 本地振盪源製作與量測─2026 MHz電壓控制振盪器 54
3.2 無線區域網路射頻發射機之研製 58
3.2.1 正交調制器與自動增益控制器之製作與量測 58
3.2.2 通道選擇濾波器之製作與量測 70
3.2.3 升頻混波器與驅動放大器之製作與量測 74
3.2.4 功率放大器之製作與量測 85
3.3 無線區域網路射頻接收機之研製 91
3.3.1 低雜訊放大器與降頻混波器之製作與量測 92
3.3.2 自動增益控制器與正交解調器之製作與量測 99
第四章 無線區域網路射頻傳收機模組整合測試 113
4.1 無線區域網路射頻規格簡介 113
4.1.1 最大發射功率 113
4.1.2 發射頻譜遮罩 114
4.1.3 載波抑制 114
4.1.4 調制準確度 114
4.1.5 接收機靈敏度 115
4.1.6 接收機最大輸入功率 115
4.2 無線區域網路射頻模組鏈路預算分析 116
4.3 無線區域網路射頻模組整合測試 123
4.4 綜合討論 130
第五章 結論 132
參考文獻 133
附錄一 訊號產生器E4438C訊號之調制準確度測試 i

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