以光學軟性電路板整合印刷電路板之高頻電路架構設計適用於高畫質多媒體介面光學連接收發模組;Design of High Frequency Circuit Based on an Integration of Optical Flexible Printed Circuit and Printed Circuit Board for Optical Interconnect Module Applied to High Definition Multimedia Interface

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题名:	以光學軟性電路板整合印刷電路板之高頻電路架構設計適用於高畫質多媒體介面光學連接收發模組;Design of High Frequency Circuit Based on an Integration of Optical Flexible Printed Circuit and Printed Circuit Board for Optical Interconnect Module Applied to High Definition Multimedia Interface
作者:	陳玠岑;Chen, Chieh-Tsen
贡献者:	光電科學與工程學系
关键词:	軟性電路板;高畫質多媒體介面;光學連接;高頻電路;FPC;Flexible Printed Circuit;HDMI;High Definition Multimedia Interface;Optical interconnect;High frequency circuit
日期:	2018-08-09
上传时间:	2018-08-31 11:54:38 (UTC+8)
出版者:	國立中央大學
摘要:	目前消費性多媒體設備的資料傳輸量已達到數十 Gbps以上，一般利用傳遞電訊號的銅纜線將因各種物理因素而不敷使用，而光連接技術的應用將可解決這些限制。使用光學軟性電路板作為光連接裝置的核心，將可享有高精度、高可靠性、微型輕量化、可自由彎曲與可批次量產等優點。本論文提出以光學軟性電路板整合印刷電路板之高頻電路架構，並設計適用於高畫質多媒體介面(HDMI)之光學連接收發模組，以模擬方式分析板上傳輸線之高頻特性，並且評估此架構之可行性。光學軟性電路板上同時整合了主動元件(面射型雷射／光學偵測器、雷射驅動晶片／轉阻放大器)以及光學結構(45度微反射面、高分子聚合物波導)。其中面射型雷射／光學偵測器與雷射驅動晶片／轉阻放大器間以單端傳輸線連接；而雷射驅動晶片／轉阻放大器與HDMI接頭間以差動傳輸線連接。光學軟性電路板與印刷電路板以覆晶方式做接合，並且可因應不同型式的接頭更換相對應電路配置之印刷電路板，在應用方面將更為方便。經由高頻模擬，在操作頻率0~60 GHz內，收發端之單端式傳輸線反射損耗均小於 -10 dB，插入損耗均大於 -1.8 dB。差動式傳輸線之反射損耗在操作頻率27 GHz內均小於 -10 dB，插入損耗在操作頻率47 GHz內均大於 -3 dB。在操作頻率12 GHz以下時，反射損耗均小於 -10 dB，插入損耗均大於 -1 dB，此結果可滿足HDMI 2.1實際應用之需求。 ;This thesis proposes a design of high frequency circuit based on an integration of optical flexible printed circuit and printed circuit board for optical interconnect module applied to high definition multimedia interface(HDMI). The optical flexible circuit board integrates vertical cavity surface emitting laser(VCSEL)/photodetector(PD), laser diode driver(LDD)/transimpedance amplifier(TIA), 45-degree micro-reflective surface and polymer polymer waveguide. The VCSEL/PD and LDD/TIA are connected by a single-ended transmission line. The LDD/TIA and HDMI connector are connected by a differential transmission line. This paper evaluates and analyzes the high-frequency transmission line of the optical circuit board integrated printed circuit board. Through high-frequency simulation, the return loss of the single-ended transmission line is less than -10 dB and the insertion loss is greater than -1.3 dB at the operating frequency of 0~60 GHz. The return loss of the differential transmission line is less than -10 dB at the operating frequency of 26 GHz, and the insertion loss is greater than -3 dB at the operating frequency of 46 GHz. At operating frequencies below 12 GHz, the return loss is less than -10 dB and the insertion loss is greater than -1 dB.
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