平面電路是雷達、通信系統小型化、集成化發展的重要組成部分。本書從麥克斯韋方程組和射頻技術的應用出發，以平面傳輸線-平面諧振器-平面電路設計為主線，系統闡述射頻平面電路的電磁理論、電路特性、電路設計以及新技術新材料的應用，內容涵蓋基本電磁理論，平面傳輸線方程及其解，微帶線、共面波導、接地共面波導、帶狀線、槽線等平面傳輸線，不連續性問題，平面諧振器理論與新技術，平面濾波器、功分器、負群延時電路等的設計以及一體化電路設計新技術，并介紹平面電路設計的新材料以及從平面電路到立體多層電路的新技術發展。
肖建康 博士，西安電子科技大學機電工程學院副教授、博導，IEEE會員，美國光學學會會員，中國電子學會高級會員，國家自然科學基金面上項目評議人，教育部學位論文評審人，十多個國際SCI核心期刊的長期審稿人。2007至2009年華南理工大學博士后，2015年至2016年國家留學基金委公派英國Heriot-Watt University訪問學者。先后主講"信號與系統”"電路基礎”"線性代數”"現代通信技術（研究生）”"平面電路（研究生）”"微特結構與測量（研究生）”等本研課程。主要研究方向：無線通信射頻電路、柔性可穿戴電路。主持國家自然科學基金面上項目、陜西省自然科學基金、教育部博士點基金、中國博士后科學基金等項目多項；獲授權發明專利3項、新型實用專利4項。在國際學術期刊上發表學術論文50多篇，在國內外學術會議上發表研究報告40多篇。
目 錄
第 1 章 緒論································································································.1
1.1 射頻/微波簡介 ···············································································.1
1.1.1 射頻/微波概念 ·············································································.1
1.1.2 射頻/微波的特點···········································································.2
1.2 射頻/微波的發展簡史 ······································································.3
1.3 射頻/微波的應用 ············································································.4
1.4 射頻/微波平面電路和系統的組成 ······················································.12
第 2 章 平面電路的電磁理論基礎····································································.15
2.1 麥克斯韋方程組及帶狀線場方程的導出··············································.15
2.2 平面電路的電磁場展開 ···································································.17
2.3 麥克斯韋的貢獻 ············································································.21
參考文獻 ····························································································.23
第 3 章 平面傳輸線······················································································.24
3.1 微帶 ···························································································.24
3.1.1 微帶的模式和特性········································································.24
3.1.2 微帶不連續性·············································································.30
3.1.3 其他類型的微帶結構 ·····································································.32
3.2 帶狀線 ························································································.33
3.3 共面波導和共面帶線 ······································································.36
3.3.1 共面波導 ··················································································.36
3.3.2 背面導體覆蓋的共面波導 ································································.37
3.3.3 共面帶線 ··················································································.38
3.4 槽線 ···························································································.39
3.5 傳輸線方程及傳輸線分析 ································································.41
3.5.1 傳輸線方程 ···············································································.41
3.5.2 端接負載的傳輸線分析···································································.45
3.6 阻抗匹配 ·····················································································.49
3.6.1 傳輸系統的匹配狀態 ·····································································.49
3.6.2 阻抗匹配器 ···············································································.51
3.7 耦合傳輸線 ··················································································.52
3.7.1 耦合微帶和耦合帶狀線···································································.52
3.7.2 平行耦合線的參量········································································.54
參考文獻 ····························································································.60
第 4 章 平面元件·························································································.62
4.1 平面諧振器基本理論 ······································································.62
4.1.1 微波諧振器諧振的基本特性 ·····························································.62
4.1.2 平面諧振器的基本參量···································································.64
4.1.3 傳輸線型諧振器的等效電路 ·····························································.66
4.1.4 平面傳輸線型諧振器分析 ································································.67
4.2 微帶貼片諧振器 ············································································.70
4.2.1 矩形微帶諧振器 ··········································································.71
4.2.2 圓形微帶諧振器 ··········································································.73
4.2.3 正六邊形微帶諧振器 ·····································································.75
4.2.4 圓環形微帶諧振器········································································.75
4.2.5 橢圓環形微帶諧振器 ·····································································.76
4.2.6 三角形微帶諧振器········································································.76
4.3 平面雙模和多模諧振器 ···································································.81
4.3.1 平面雙模諧振器 ··········································································.81
4.3.2 平面多模諧振器 ··········································································.85
4.4 階梯阻抗諧振器 ············································································.86
4.4.1 兩節階梯阻抗諧振器 ·····································································.87
4.4.2 三節階梯阻抗諧振器 ·····································································.92
4.5 分形諧振器 ··················································································.93
4.5.1 分形結構基本概念········································································.93
4.5.2 分形的迭代生成和應用···································································.96
4.6 可集成平面電感和電容 ···································································111
參考文獻 ····························································································114
第 5 章 平面濾波電路···················································································116
5.1 平面濾波器的低通原型 ···································································117
5.1.1 巴特沃思低通原型········································································118
5.1.2 切比雪夫低通原型········································································118
5.1.3 橢圓函數低通原型······································································.120
5.2 只有一種電抗元件的低通原型 ························································.121
5.2.1 倒置變換器 ·············································································.121
5.2.2 倒置變換器的設計公式·································································.123
5.3 頻率變換及濾波器設計 ·································································.125
5.3.1 低通濾波器 ·············································································.126
5.3.2 高通濾波器 ·············································································.130
5.3.3 帶通濾波器 ·············································································.131
5.3.4 帶阻濾波器 ·············································································.140
5.3.5 平面濾波器饋電 ········································································.148
5.4 準橢圓函數濾波器綜合 ·································································.150
5.4.1 準橢圓函數濾波器······································································.150
5.4.2 準橢圓特征函數和傳遞函數 ···························································.150
5.4.3 準橢圓函數濾波器原型·································································.152
5.4.4 原型電路的分析 ········································································.155
5.4.5 準橢圓函數濾波器的綜合方法·························································.158
5.5 幾種濾波器設計技術 ····································································.162
5.5.1 DGS 和 DMS 技術 ······································································.162
5.5.2 信號干擾技術···········································································.172
5.5.3 電磁耦合技術···········································································.174
5.5.4 電調/可重構技術········································································.181
5.6 有耗濾波器 ················································································.183
5.6.1 有耗濾波器的概念和發展 ······························································.183
5.6.2 有耗濾波器綜合 ········································································.185
5.7 無反射濾波器 ·············································································.189
5.7.1 吸收式無反射濾波器理論 ······························································.189
5.7.2 無反射濾波器設計方法·································································.198
5.8 平面平衡濾波器 ··········································································.202
5.8.1 平衡濾波器的散射參數·································································.203
5.8.2 平衡濾波器的設計方法·································································.206
5.9 平面雙/多工器 ············································································.212
參考文獻 ··························································································.216
第 6 章 平面負群時延電路···········································································.225
6.1 負群時延的產生 ··········································································.225
6.1.1 負群時延現象···········································································.225
6.1.2 負群時延產生的條件 ···································································.228
6.2 負群時延電路及其應用 ·································································.231
6.2.1 帶阻濾波器型負群時延電路 ···························································.232
6.2.2 匹配的負群時延電路 ···································································.236
6.2.3 負群時延電路的應用 ···································································.239
參考文獻 ··························································································.241
第 7 章 平面功分器····················································································.244
7.1 平面功分器理論基礎 ····································································.244
7.1.1 平面功分器網絡 ········································································.244
7.1.2 Wilkinson 功分器 ·······································································.246
7.2 平面負群時延功分器 ····································································.251
7.3 平面濾波功分器 ··········································································.255
參考文獻 ··························································································.261
第 8 章 平面耦合器····················································································.263
8.1 平面耦合器簡介 ··········································································.263
8.2 分支線耦合器 ·············································································.264
8.3 混合環耦合器 ·············································································.267
8.4 耦合線定向耦合器 ·······································································.267
8.4.1 耦合線耦合器的工作原理及理論分析 ·················································.270
8.4.2 單節耦合線耦合器的頻率響應·························································.273
8.4.3 多節耦合器 ·············································································.274
8.4.4 非對稱耦合器···········································································.275
8.4.5 Lange 耦合器············································································.277
8.4.6 串聯耦合器 ·············································································.278
8.5 平面耦合器的發展 ·······································································.280
參考文獻 ··························································································.281
第 9 章 平面巴倫·······················································································.283
9.1 巴倫的網絡分析 ··········································································.283
9.2 寬帶巴倫原理與設計方法 ······························································.284
9.2.1 Marchand 巴倫 ··········································································.284
9.2.2 不平衡傳輸線?平衡傳輸線結構的巴倫················································.288
9.2.3 基于功分加移相結構的寬帶巴倫 ······················································.289
9.3 濾波巴倫 ···················································································.291
9.3.1 基于 Marchand 巴倫的濾波巴倫 ·······················································.291
9.3.2 基于平衡濾波器的濾波巴倫 ···························································.292
9.3.3 基于半波長開路線的濾波巴倫·························································.293
參考文獻 ··························································································.294
第 10 章 平面電路的發展 ············································································.296
10.1 平面電路新材料·········································································.296
10.1.1 LCP 材料···············································································.296
10.1.2 高溫超導材料及其應用 ·······························································.300
10.2 3D 打印技術 ·············································································.302
10.3 從平面電路到立體電路································································.303
10.3.1 LCP 多層電路 ·········································································.303
10.3.2 LTCC 電路 ·············································································.304
10.3.3 多層自封裝懸置電路··································································.305
參考文獻 ··························································································.312
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