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R&S RTP 16 GHz oscilloscopes and Marvell’s 88Q6113 Multiport Multi-Gigabit Automotive Ethernet
09.01.2020: Switch meet wideband test requirements
Test and measurement specialist Rohde & Schwarz and semiconductor manufacturer Marvell have demonstrated successfully compliance tests and debugging for high-speed digital interface
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Switch meet wideband test requirements
Test and measurement specialist Rohde & Schwarz and semiconductor manufacturer Marvell have demonstrated successfully compliance tests and debugging for high-speed digital interfaces on the 88Q6113 multi-gigabit automotive switch platform.
Developments in advanced driver-assistance systems are creating a new approach to in-vehicle network architecture design. With today’s vehicles leveraging at least a hundred ECUs, the current network architecture has reached its limits. The automotive industry is now focusing on a domain or zonal controller architecture to simplify network design and maximize performance.
A domain controller can potentially replace the functions of many ECUs providing capabilities for high-speed communications, sensor fusion and decision-making, as well as supporting high speed interfaces for cameras, radar, and LIDAR.
The Marvell 88Q6113 is a perfect solution for implementing domain/zonal controller network architecture and is fully compliant with the IEEE 802.3 automotive standard, delivering high-bandwidth with advanced routing and security. The 88Q6113 is an 11-port Ethernet switch that supports RGMII/ MII/RMII/, SGMII, XFI Multi- Speed SerDes (1/2.5/5/10 Gbps), and PCIe Gen 3.0, making it an ideal solution for integrating the full range of sensors required for advanced driver-assistance systems and autonomous driving.
Signal integrity is a key factor for ensuring error-free data communication with all these high-speed digital interfaces. In particular, the introduction of PCIe Gen 3.0 into the automotive industry will bring new challenges to engineers not yet familiar with the technology.
Rohde & Schwarz and Marvell were the first companies to execute successfully 1000BASE-T1 compliance tests, for the Marvell’s 88Q2112 Ethernet transceiver, using an R&S RTO oscilloscope. The latest improvements to the R&S RTP oscilloscope family include the 16 GHz acquisition bandwidth required to perform signal integrity tests and debugging for SerDes, LVDS, PCIe Gen 3.0, MIPI and more, as well as automotive Ethernet interfaces all present in Marvell’s 88Q6113 multi-gigabit automotive switch platform.
The R&S RTP includes real-time de-embedding for signal integrity analysis and has the highest acquisition rate on the market. In addition, the R&S RTP offers bus measurement features supporting the high-precision latency measurements essential for debugging switches and networks, making this oscilloscope an ideal tool for automotive network test.
Dr. Nik Dimitrakopoulos, automotive market segment manager at Rohde & Schwarz comments, “With the introduction of domain and zone controllers in automotive networks, engineers will be faced with new challenges by the integration of fast serial interfaces like PCIe. Rohde & Schwarz is closely following the trends and test requirements in this industry.
The addition to our portfolio of 16 GHz bandwidth for R&S RTP digital oscilloscopes can assist the automotive industry to overcome these challenges and fits perfectly in this market. We are very proud to assist Marvell in providing quality assurance for their products to their customers.”
Tim Lau, senior director of Product Marketing, Automotive Business Unit at Marvell Semiconductor, Inc. adds, “The Marvell 88Q6113 extends our multi-gigabit leadership, with interfaces delivering high-bandwidth to connected controllers and sensors. We are proud to partner with Rohde & Schwarz to complete compliance testing and deliver reliable, high quality solutions in this unique, emerging market.”
Automotive test solutions
As a leading global manufacturer of test and measurement equipment, Rohde & Schwarz offers expert know-how for all phases of automotive development – from predevelopment to R&D to production. OEMs, Tier 1s and chip suppliers benefit from the company’s reliable solutions for high frequency, high bandwidth and high-speed test challenges. Rohde & Schwarz is the market leader for testing radar sensors, automotive Ethernet conformance, connectivity (5G, V2X, eCall, GNSS), EMI precompliance and EMC.
The company also offers outstanding solutions for infotainment component and board level tests (ICT/FCT) during ECU
production. All of these test solutions will ensure maximum efficiency in compliance with the highest quality standards, assuring that various automotive components function correctly, coexist successfully and communicate with the outside world without errors.
Christian Mokry - photo R&S
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