How to Test 1.6T Electrical Transmitter Conformance

UXR-Series Oscilloscope
+ UXR-Series Oscilloscope

Characterizing 224 Gb/s PAM4 Lanes with High-Bandwidth Oscilloscopes

Verifying 1.6T Ethernet transmitter performance requires precise analysis of 224 Gb/s PAM4 signals across up to eight lanes. These tests follow the IEEE P802.3dj draft standard and apply to C2M, C2C, KR, and CR interfaces. To meet compliance, test equipment must support 106.25 GBd symbol rates and emulate a 60 GHz Bessel-Thomson reference receiver. OIF-CEI-224G specifications also guide electrical validation, demanding oscilloscopes with 90 GHz bandwidth and tools for jitter, SNDR, and RLM measurements.

Testing at 1.6T speeds introduces physical and signal integrity challenges. Engineers must use high-speed interconnects, 1 mm connectors, and low-loss signal paths to preserve fidelity. Test setups should support flexible clock recovery, equalization modeling, and debug workflows. As IEEE P802.3dj and OIF-CEI-224G standards evolve, test solutions must adapt to updated methodologies and limits, ensuring reliable validation of transceivers in both compliance and exploratory environments, especially during silicon bring-up and data center deployment.

1.6T Electrical Transmitter Conformance Solution

Validating 1.6T transmitter performance to IEEE 802.3dj and OIF-CEI-224G standards requires high-bandwidth oscilloscopes and automated test software. Keysight’s 1.6T electrical transmitter conformance solution uses a UXR-Series oscilloscope and test automation software to streamline compliance and debug workflows, enabling fast, repeatable measurements of jitter, SNDR, and RLM during silicon validation and data center transceiver testing.

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