48×10 Gbps Cost-Effective FPC-Based On-Board Optical Transmitter with PGA Connector

2017 IEEE 67th Electronic Components and Technology Conference (ECTC) Pub Date : 2017-05-30 DOI:10.1109/ECTC.2017.224

Teng Li, S. Dorrestein, G. Guelbenzu, Chenhui Li, R. Stabile, O. Raz

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引用次数: 4

Abstract

High bandwidth density on-board optical transmitter is reported in this paper. This on-board transmitter contains 4×12-channel 10Gbps CMOS driver ICs and 4×12-channel 850nm Multimode (MM) VCSEL arrays, with a total 48×10Gbps bandwidth and is packaged through flip-chip bonding on a flexible printed circuit (FPC) with SnAg solder bumps. Due to the compact package design, based on a commercial 1mm pitch ISI HoLi pin grid array (PGA) connector, the size of FPC is only 31.5mm × 31.5mm and it offers a state-of-art bandwidth density of 0.483Gbps/mm2. Investigation of RF signal propagation on the FPC is carried out for design validation at 10Gbps and to further explore the potential of the suggested platform differential pairs are simulated up to 30Gbps. An optical straight lens connector is used to couple the light to a single 48 fibers MT connector. To validate the design concept the fully assembled transmitter is tested at 10Gbps. Bit error rates for all 48 channels at 10Gbps as well as eye diagrams for few representative channels are reported.

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48×10 Gbps具有成本效益的基于fpc的PGA连接器板载光发射器

本文报道了一种高带宽密度板载光发射机。该板载发射机包含4×12-channel 10Gbps CMOS驱动ic和4×12-channel 850nm多模(MM) VCSEL阵列，总带宽48×10Gbps，并通过带SnAg焊点的柔性印刷电路(FPC)上的倒装键合封装。由于紧凑的封装设计，基于商用1mm间距的ISI HoLi引脚网格阵列(PGA)连接器，FPC的尺寸仅为31.5mm × 31.5mm，并提供最先进的0.483Gbps/mm2带宽密度。研究射频信号在FPC上的传播，以进行10Gbps的设计验证，并进一步探索建议的平台差分对的潜力，模拟高达30Gbps。光直透镜连接器用于将光耦合到单个48光纤MT连接器上。为了验证设计概念，对完全组装的发射机进行了10Gbps的测试。报告了10Gbps下所有48个通道的误码率以及几个代表性通道的眼图。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2017 IEEE 67th Electronic Components and Technology Conference (ECTC)

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