Automated test and validation accelerates measurements in high speed devices

Engineers can test PCIe 6.0 (Base) receivers using the PCIe 6.0 receiver test option developed by Tektronix in collaboration with Anritsu. 

The PCIe 6.0 (64GTransfers per second) automated test runs on the Tektronix DPO70000SX series real time oscilloscope and the Anritsu MP1900A BERT. 

The automated test and validation option is claimed to render faster test times, and has an intuitive user interface.     

The cohesive PCIe 6.0 transmitter and receiver test presents the ability to test increasing amounts of data as it is transferred at increasing speeds. Data-intensive sectors, like AI, cloud, and data centres use PCIe as a de-facto standard, explained Tektronix. While the recently released Gen 6.0 standard provides fast speeds to handle such workloads, testing brings challenges to those charged with integrating PCIe 6.0 on devices. 

PCIe receiver validation is plagued by the sensitivity of calibrating the stressed eye signal across a high loss channel. Tektronix’s PCIe receiver test targets the required bit error rate (BER) while intuitive step-by-step tools provide link training routines for the Anritsu MP1900A BERT to ensure the receiver is tested accurately. 

The Tektronix PCIe 6.0 Base Rx solution includes what is claimed to be the fastest 64GTransfers per second (PAM4) Rx calibration in the industry. Novel algorithms calibrate the transmitter’s additional pre-cursor added to the 6.0 Base specification. 

The Tektronix PAMJET DSP tool provides critical 64GTransfers per second jitter and noise measurements with instrument noise compensation. Tektronix said that the automated test leverages the market’s first 6.0 Base Tx solution and enhances the capabilities to address receiver challenges at the latest data rate introduced by the PCI Special Interest Group (PCI-SIG).

The TekRxTest automation software provides a single control panel with the power to manage a Tektronix oscilloscope and Anritsu BERT during receiver calibration. This intuitive software wizard guides users through short- and long-channel calibration steps with ease, resulting in an accurate and repeatable calibration at 64 GTransfers per second.

Integrating the Anritsu MP1900A and Tektronix DPO70000SX real time oscilloscopes deliver a complete physical layer PCIe test system that can be expanded to PCIe 6.0 as the market continues to develop technologies for high-speed networks, said Kazuhiro Fujinuma, director of solution marketing department service infrastructure division for Anritsu.

Synopsys also collaborated with Tektronix on early validation of the PCIe 6.0 DesignWare IP, providing early-stage prototypes for Tektronix’s partnership with Anritsu. 

“The PCIe 6.0 interface is instrumental to enabling real-time data connectivity with low latency and high throughput in HPC [high performance computing], storage, and AI applications,” said John Koeter, senior vice president of marketing and strategy for IP at Synopsys. “Conducting early, accurate and efficient validation of the Synopsys silicon-proven PCIe 6.0 IP . . . demonstrates that the IP adheres to the latest PCI-SIG specifications, enabling designers to deliver interoperable products that include Synopsys PCIe 6.0 controller, PHY, verification, and integrity and data encryption (IDE) IP faster and with less risk.”

Tektronix’s PCIe 6.0 receiver test is available now worldwide for use with DPO70000SX real time oscilloscopes.

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