本論文主要針對行動通訊與衛星通訊系統分別提出高速連接器及陣列天線之設計，內容包含三款高速連接器以及Ka頻段衛星通訊陣列天線。
第一部份提出兩款應用於光通訊系統之高速連接器及一款背板連接器，分別為OSFP (Octal Small Form-factor Pluggable)、QSFP (Quad Small Form-factor Pluggable)和NEX MAX背板連接器，首先為OSFP高速連接器，此連接器單通道支援頻率為0 ~ 14 GHz，搭配NRZ調變方式，單通道傳輸速率可達28 Gbps。由於此連接器為雙層結構，並且單層具有八通道，因此單顆連接器以NRZ調變方式之傳輸速率可達448 Gbps。接著為QSFP高速連接器，此連接器特點為使用高速軟性電路板取代標準端子連接，此連接器單通道支援頻率也為0 ~ 14 GHz，搭配PAM4調變方式，單通道傳輸速率將可達56 Gbps。由於此連接器為雙層結構並且單層具有四通道，因此單顆連接器以PAM4調變方式之傳輸速率可達448 Gbps。最後為NEX MAX背板連接器，此連接器每個通道支援頻率為0 ~ 12.5 GHz，搭配NRZ調變方式，每個通道傳輸速率達25 Gbps。
第二部份為Ka頻段衛星通訊陣列天線之設計，其中參考了一些典型相控陣列天線來進行改良，並提出以低損耗跳線來取代印刷電路板材走線之架構。此連接方式好處為低傳輸損耗與高陣列天線設計自由度，可根據所需增益來增加天線數量，並且搭配波束控制晶片與混成耦合器電路，期能實現寬頻圓極化陣列天線。

This thesis proposes three kinds of the high speed I/O connector designs for solutions to the mobile communications and also Ka band array antennas for satellite communications.
The first part proposes three high speed I/O connector designs, including Octal Small Form-Factor Pluggable (OSFP) and Quad small form-factor pluggable(QSFP) high speed connectors for optical communication applications and a backplane connector called NEX MAX. For the OSFP high speed connector design, each channel of the connector may support a frequency range of 0~14 GHz. With the NRZ modulation technique, the transmission rate of the OSFP can be up to 28 Gbps per channel. Because this connector has sixteen channels, the transmission rate can reach 448 Gbps to meet the high-speed transmission requirements of the 5G mobile communications. For the QSFP high speed connector design, each channel of the connector may also support a frequency range of 0~14 GHz. With the PAM4 modulation technique, the transmission rate of the QSFP can be up to 56 Gbps per channel. Because this connector has eight channels, the total transmission rate is 448 Gbps. As for the NEX MAX backplane connector design, each channel of the connector may support a frequency range of 0~12.5 GHz. With the NRZ modulation technique, the transmission rate of NEX MAX can reach 25 Gbps per channel.
The second part proposes the design of the Ka band satcom array antennas, where a phased array antenna with low-loss jump wires replacing PCB transmission lines is applied. The advantages of the jump wires are lower transmission loss and more flexible antenna design to increase antenna gain. By combining phase shifters with hybrid couplers, a broadband circularly polarized array antenna may be realized.

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