本論文主要係使用兩種新式導波結構實現微波及毫米波電路。在微波電路設計部分，本論文使用開槽式耦合微帶線研製馬群平衡-不平衡轉換器及雙平衡式混波器；毫米波電路設計部分，本論文使用互補式金屬帶線研製毫米波CMOS帶通濾波器。其電路設計概念、實現方式及模擬量測結果皆於論文中詳細討論。
　　微波電路設計部分，本論文使用菱形開槽式耦合微帶線設計寬頻微波電路。因該導波結構可提供高比例之奇、偶模阻抗比及 平坦相位響應，因此，本論文用此特性實現 相位響應平坦之寬頻馬群平衡-不平衡轉換器，並將其應用於雙平衡式混波器設計。由模擬及實驗量測結果可知，使用開槽式耦合微帶線可設計頻寬約為90%之寬頻馬群平衡-不平衡轉換器，在通帶內之相位平衡擺幅約為 ，振幅平衡擺幅為-0.37 dB ~ 0.32 dB。設計完成之平衡-不平衡轉換器則應用於設計雙平衡式混波器，當中頻輸出頻率為100 MHz時，轉換損耗於射頻輸入頻率1.2 GHz ~ 4 GHz內皆大於-10 dB。
　　毫米波電路設計部分，本論文使用適用於CMOS製程之低損耗慢波結構-互補式金屬帶線，實現雙模環型帶通濾波器，以有效縮小電路面積。濾波器使用單邊、雙邊開路段枝及步階阻抗兩種微擾架構激發環型共振器之雙模態。單邊及雙邊開路段枝微擾濾波器之晶片大小皆為330 mmx240 mm，而單邊及雙邊帶步階阻抗微擾濾波器之晶片大小分別為372 mmx180 mm及360 mmx210 mm。由於步階阻抗微擾濾波器之結構對稱，且不連續效應較開路段枝微擾濾波器較輕緩，因此在60 GHz附近之中心頻率可獲得較佳之穿透損耗。由本論文之實驗結果，互補式金屬帶線用於設計CMOS被動元件可有效縮小電路面積，且維持良好之電路特性。

This thesis uses two new guide-wave structures to develop microwave and millimeter-wave circuits. For the microwave circuit design, the slot-coupled microstrip lines are employed to implement Marchand balun and doubly balanced mixer. For the millimeter-wave circuit design, the complementary-conducting strip(CCS) lines are utilized to realize millimeter-wave bandpass filters. The circuit design concepts, fabrications, and experimental results are presented in the thesis.
For the microwave circuit design, diamond-shape slot-coupled microstrip lines are used to design broadband microwave circuits. Since this guided-wave structure can provide a high ratio of even-mode and odd-mode impedances and flat phase response, these properties are applied to design a broadband Marchand balun with a flat phase response. The developed baluns are then exploited to realize a doubly balanced mixer. Based on the simulated and measured results, the developed Marchand balun has a 90% relative bandwidth. The in-band phase and amplitude im-balances are in the range of -180.4o~181.8o and -0.37 dB~0.32 dB, respectively. The developed doubly balanced mixer has a conversion loss better than -10 dB from 1.2 GHz to 4 GHz as the intermediate frequency is set to 100 MHz.
For the millimeter-wave circuit design, this thesis uses low loss and slow-wave structures, CCS lines, to realize compact dual-mode ring bandpass filters. The open-stub and step-impedance perturbation structures are inserted into the ring resonators for dual-mode excitation. The developed filters with open-stub perturbations occupy chip sizes of 330 mmx240 mm, while those with single and double step-impedance perturbations have 372 mmx 180mm and 360 mmx 210 mm chip sizes, respectively, Since the filters with step-impedance perturbations have symmetrical structures and low discontinuity effects, they can achieve lower insertion losses at center frequency around 60 GHz. The experimental results demonstrate that using CCS line can effectively reduce chip sizes of CMOS passive components and retain original circuit characteristics.

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