How to Test UALink Receiver Compliance

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High-Performance BERT
+ High-Performance BERT
High-Performance BERT
+ High-Performance BERT

Automate Stressed‑Receiver and BER Compliance Testing for 200G UALink

High‑speed interconnect standards such as UALink require rigorous receiver compliance testing to ensure interoperability and reliable operation at extremely low bit error rates. At 200 Gb/s PAM4, receiver margins are tightly constrained, increasing sensitivity to jitter, noise, intersymbol interference (ISI), and channel impairments introduced by realistic backplane and cable environments. As data rates scale, even small variations in applied stress conditions or measurement setup can significantly affect observed receiver performance, placing strict demands on stress calibration accuracy and measurement repeatability.

Receiver compliance testing requires developers to execute standards‑defined measurements aligned to specified pass/fail limits. These tests include bit error rate (BER), receiver sensitivity, amplitude tolerance, interference tolerance, and jitter tolerance measurements performed across multiple impairment combinations and operating conditions. Compliance testing depends on precise stress signal calibration and consistent execution to produce results that accurately reflect true receiver margins. Manual test approaches increase risk through setup errors, inconsistent stress application, and poor correlation to specification limits.

UALink Receiver Compliance Testing Solution

Receiver compliance testing requires engineers to accurately verify receiver performance under specification‑defined stressed conditions. Keysight’s UALink receiver compliance testing solution streamlines stressed‑receiver workflows by automating BER and other measurements aligned with UALink electrical requirements. High‑performance 120 GBd BERTs generate calibrated stress conditions, >90 GHz Pro oscilloscopes support stress verification and signal calibration, and automation software orchestrates test execution, data collection, and reporting. By reducing manual errors and improving correlation to specification limits, the solution helps engineers confidently validate receiver compliance and accelerate readiness for system‑level interoperability testing.
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