是德科技Keysight 81491A参考发射机应用场景
Published on2026-06-17
Keysight 81491A是款高性能的参考发射机模块,主要用于光通信测试领域,能够为高达32Gbaud的NRZ和PAM4信号提供高质量的眼图显示,以下就是Keysight 81491A的参数及应用场景介绍。Keysight 81491A参数高速信号支持:支持波特率高达32Gbaud的信号多波长覆盖单模:内置1310nm和1550nm激光源,能通过外部光学输入支持科调谐激光及1260-1565nm范围的WDM应用多模:内置850nm激光源关键性能指标带宽:典型电光带宽为33GHz(部分资料提及模拟调制带宽可达35GHz)。上升/下降时间:< 15 ps(典型值)。抖动:< 1ps RMS(典型值),< 7ps PP(典型值)。TDEC/TDECQ:对于28Gb/s NRZ 信号,TDEC < 0.9 dB;对于 26.56125 Gbaud PAM4 信号,TDECQ < 1.2 dB。标准合规性:完全整合到是德科技光接收机压力测试解决方案中,满足 IEEE 802.3 10、40、100 和 400GBASE 等光通信标准的测试要求。Keysight 81491A应用场景光接收机压力与合规性测试它可完整集成到是德科技光接收机压力测试解决方案中,满足IEEE 802.3 10G、40G、100G和400GBASE等主流光通信标准的测试要求,为高速光模块的接收端性能验证提供低抖动、高质量的基准光信号。NRZ与PAM4高速信号测试支持最高32Gbaud波特率的NRZ和PAM4信号输出,凭借<1ps RMS的典型低抖动、<15ps的极短上升/下降沿特性,能生成眼图质量优异的基准信号,用于28Gb/s NRZ、26.56Gbaud PAM4等高速光信号的性能校准与验证。WDM波分复用相关测试单模型号配备外部光输入接口,可对接可调激光源,覆盖1260~1565nm的波长范围,支撑波分复用系统相关的光器件、光链路测试场景,适配不同波段的光传输测试需求。任意光波形生成场景依托33GHz的典型电光带宽,搭配电任意波形发生器使用时,可扩展实现任意光波形生成功能,满足前沿高速光通信研发中的定制化信号生成、复杂光调制特性研究等实验需求。通用光电转换(E/O)测试作为通用型光电转换器,可在光器件表征、光传输系统搭建等场景中,把高质量的电数字信号精准转换为光信号,为各类光通信实验提供稳定的基准光发射源。
Key Words:Keysight 81491A81491A81491A参考发射机
Copyright and Disclaimer
1.This website reprints content from external sources (not from Shenzhen Haochen Electronic Technology) and clearly indicates the original source. The purpose of such reproduction is for informational exchange only and does not imply endorsement of the views expressed therein, nor does it assume responsibility for the accuracy or authenticity of the content. The website shall not bear any direct or joint liability for infringement arising from the use of such materials.
2.Any media outlets, websites, or individuals reprinting content from this website must retain the original source attribution as specified herein and assume full legal responsibility for copyright compliance and any related intellectual property matters.
3.If the article involves issues such as content or copyright, you may contact the publisher to offer your opinions or request its removal. Alternatively, you need to contact us within one week from the date of publication. Otherwise, it will be regarded as the waiver of relevant rights.
