PAM4

新興 OIF-CEI 和 IEEE PAM4 標準的解決方案

當網路頻寬需求持續提高時,PAM4 (4 位準脈波振幅調變) 作為關鍵促成因素而出現以符合此需求。具有每個符號 2 個位元、4 個符號位準,以及每個 UI 3 個眼圖,PAM4 呈現許多新的量測和測試挑戰。

Tektronix 在訊號保真度方面居於領導地位,目前與資料通訊工程師和標準組織合作,以協助提倡為新興 OIF-CEI 和 IEEE PAM4 標準執行高達 112Gbps/56Gbaud 之 PAM4 Tx 和 Rx 特性分析所需的量測技術。

 

PAM4 分析軟體產品規格表 (DPO / MSO70000 系列 RT 示波器)

PAM4 分析軟體產品規格表 (DSA8300 取樣示波器)

 

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資料庫

Title
PAM4 in 400G/200G/100G/50G Networking Technology
Overcoming SNDR Measurement Challenges in 100G, 400G Datacom Testing

With important changes occurring in transmitter characterization and measurement methods for 100G and 400G standards (both IEEE and OIF-CEI) it is vital to learn more about SNDR and its advantages, key instrument considerations to account for, and how acquisition bandwidth influences SNDR noise parameters and more.

This video highlights the benefits of using the DPO70000SX real time oscilloscope…

4:02

The accelerated development of 400G Ethernet technology is driving new…

1:00:12
Title
PAM4 Electrical Webinar

This presentation will review PAM4 measurement methodologies and expand on emerging needs related to FFE reference equalization, clock recovery challenges, BER measurement needs as well as SNDR as it relates to multi-level signaling. 

Practical 400G PAM4 Test Methods - Optical and Electrical Measurement

The accelerated development of 400G Ethernet technology is driving new requirements through the test community as it relates to measuring PAM4 signals for optical and electrical systems. This presentation will review both of these two very different technology fronts and discuss practical elements of physical layer PAM4 testing ranging from 50mm based CEI-XSR specs to 10Km 400GBASE-LR8.

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