KD, Keysight team on multigigabit optical Ethernet
Spanish fabless semiconductor company KD has signed a key deal with Keysight Technologies for testing optical Ethernet interconnect in automotive platforms.
The deal covers Transmitter Distortion Figure of Merit (TDFOM) based on the based on the IEEE Std 802.3cz physical layer test standard for glass fibres. KD, formerly KD POF, works with both plastic and glass fibres for automotive networks.
The TDFOM measures the transmitted optical signal ability to meet the required system Bit Error Rate (BER) after passing through a worst-case optical channel and a reference receiver, evaluated using an optical-to-electrical converter (O/E) and an oscilloscope.
This makes it is a key metric for assessing the quality of multigigabit optical signals transmitted over glass optical fibre and is measured after a reference receiver, which emulates a representative chip implementation and ensures the interoperability of transmitters in terms of signal integrity, valid to be received by a compliant receiver. TDFOM is also critical for calibrating reference transmitters, enabling precise compliance assessment of optical receivers.
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Keysight and KD worked closely during the development of the IEEE 802.3cz standard to create the final version of the TDFOM and KD has developed a software-based reference receiver and signal metric analysis, aligned with the IEEE Std 802.3cz specifications.
“With this agreement, we make a big step in providing to OEMs and Tier-1 companies with the necessary means to test the quality of developments that incorporate optical communications according to the IEEE Std 802.3cz. Keysight and KD have collaborated in IEEE 802.3 to define the tests and metrics that ensure the new Ethernet communications standard meets the quality requirements demanded by the automotive industry,” stated Rubén Pérez-Aranda, KD’s CTO and co-founder.
“Automotive Ethernet technologies have evolved and now derive significant benefits from optical fiber technologies for enabling multigigabit in-vehicle networking. Keysight is pleased to collaborate with KD, a leading supplier of optical transceivers for the automotive industry, to enhance our support for customers in this emerging ecosystem” said Thomas Goetzl, Vice President and General Manager of Keysight’s Automotive & Energy Solution.
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