GN3361
Semtech’s GN3361 APD ROSA is a fully integrated device with design features that ensure excellent RF stability, together with high sensitivity.
功能
- 线性动态范围设计，可实现最佳 OSNR 性能
- 功耗 165mW（典型值）
- Integral InGaAs avalanche photodiode
- Optical unstressed sensitivity (10-12 BER) -26.5dBm mean typical
- Optical overload (10-12 BER) -4dBm mean minimum
- Optical return loss < -27dB
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From smartphones and laptops, to ATMs and online shopping, data is constantly in flight. As consumer technology and industry innovations advance, global data creation is projected to grow to 175 zettabytes (ZB) by 2025. Nearly 53ZB of that data will be consumed in real time—the data equivalent of streaming 583 billion 4K videos at once—which will strain current network infrastructure.
Tri-Edge: Preparing for Future Wireless Networks…
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Semtech’s Tri-Edge™ GN2255 is the industry’s first analog IC solution enabling ultra-low latency, less than 1.5W module power, and performance for up to 10km reach for 50Gbps PAM4 SFP56 optical modules. Based on the proven Tri-Edge CDR platform qualified in data center applications, the new solution delivers the cost effectiveness, small footprint, low power, ultra-low latency, and performance demanded by 5G front haul applications. The new Tri-Edge GN2255 enables 50Gbps PAM4 links that will double the bandwidth of currently deployed 25Gbps NRZ front haul links. Semtech’s introduction of the Tri-Edge 5G wireless IC will help support new 5G applications, including edge computing, enhanced mobile broadband and device streaming, and fixed wireless access (i.e., home Internet). Learn more about the product announcement here.
今年早些时候，评估工程 (EE) 与 Semtech 信号完整性产品事业部高级营销经理 Raza Khan 进行了交谈，讨论了行业趋势和新 Tri-Edge 5G 无线产品。
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The dual-density version of the Quad Small Form-factor Pluggable (QFSP) Multi-Source Agreement (MSA) module standard looks set to be the rule for new line-cards, following a raft of demonstrations and alpha module tests in 2018. The hidden message of the QSFP-DD craze is not the physical characteristics of the module itself, but what it says about the turn to advanced signaling methods. Half a decade ago, QSFP28’s arrival heralded the coming dominance of 25Gbps electrical channels using NRZ signaling. Now, QSFP-DD, and its larger cousin, the octal SFP or OSFP, use PAM4 signaling. This most often uses 50Gbps channels, but QSFP-DD is flexible enough to use eight-channel interfaces in a variety of implementations: 25G x 8 for 200Gbit Ethernet, 50G x 8 for 400Gbit Ethernet, and perhaps some early 100G x 8 for a pre-standard 800Gbit Ethernet.
Optics MSA: QSFP-DD Puts PAM4 Signaling in…
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Slow but steady advances were made in 2018 in on-board optical links for chip-to-chip and chip-to-module interfaces. The integrated-optics revolution, anticipated three years ago when the Consortium for On-Board Optics (COBO), of which Semtech is an associate member, was launched, has been replaced by a realization that only slow migration from traditional pluggable modules will serve the data center, whether within a single line card or server blade, or between cards and racks. Even as recent as a year ago, COBO members began rethinking and changing their tune to stress coexistence of pluggable MSA modules and the embedded on-board modules chosen by COBO as a de facto standard.
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第 44 届欧洲光通信会议 (ECOC) 展览会近日在意大利罗马落下帷幕。在会议上，Semtech 展示了多款用于关键超大规模数据中心和 5G 无线市场的产品。Semtech 在其多样化的光学解决方案组合中展示的技术包括用于低成本 25G SFP28 模块的 ClearEdge® CDR 平台，这将成为 5G 基础设施建设的重要组成部分。此外，Semtech 展示了其新的 Tri-Edge CDR 和 FiberEdge™ 线性物理媒介相关 (PMD) 器件系列，这些产品将有助于推动当前的云数据中心建设。
5G and Data Centers: Signal Integrity Trends
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