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M8091BSPA 接收机测试应用软件用于帮助和简化极限信号校准,以便更准确地测试支持 200GAUI-4 和 400GAU-8 PAM4 标准的主机和模块的输入。它最大限度降低了用户干预,并能通过远程控制所有必要的仪器,完全自动地执行所有必要的校准例程和一致性测试。
使用 M8091BSPA 校准的 400GAUI-8 PAM4 接收机极限信号。
此测试应用软件使用了与大多数是德科技发射机测试应用软件相同的图形用户界面框架,相同的外观和风格大大缩短了用户的培训时间。当更改设置时,用户可以得到图形和文字引导,最大限度地减少设置错误。
使用 M8040A BERT 进行 400GAUI-8 C2M 接收机极限测试设置
IEEE 802.3 规范的相应条款和附录(在针 200GbE 和 400GbE 的 bs 项目中添加)定义了通过配套的主机一致性测试电路板(HCB)与模块一致性测试电路板(MCB)连接的极限信号。无论是发射机侧还是接收机侧都具有均衡功能。极限信号的定义假设了一个最佳链路。因此,接收机测试设备的发射机和信号测量设备的接收机都必须针对给出的极限信道进行优化。每一个测试设置都必须要反复执行优化。该标准要求发射机均衡(TxEQ)尽量保持最小,以便为被测器件接收机(DUT RX)创造更极限的条件。这个过程非常地耗时。M8091BSPA 接收机测试应用软件可以自动执行这个任务。
各校准步骤和测试的结果可以用恰当的表格和图形显示。校准和测试结果可以存储在项目中,并在以后随时调用。此应用软件能够生成 HTML 格式的测试报告。