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http://dx.doi.org/10.5573/ieie.2017.54.7.61

A Design of Temperature-Compensating Ethernet Equalizer for Reliable Automotive Sensor Communication  

Seo, Seoktae (The school of electrical and computer engineering, Ulsan National Institute of Science and Technology)
Bien, Franklin (The school of electrical and computer engineering, Ulsan National Institute of Science and Technology)
Publication Information
Journal of the Institute of Electronics and Information Engineers / v.54, no.7, 2017 , pp. 61-70 More about this Journal
Abstract
In this paper, an Ethernet equalizer that compensates for automotive temperature variations within a broad range is presented. Communications in automotive systems have become increasingly important because of the many electronics in vehicles. Ethernet protocols are a good candidate for automotive communications. However, they should satisfy the AEC-Q100 requirements that stipulate an operational temperature range from -40 to $150^{\circ}C$. This paper proposes an Ethernet equalizer that can recover data up until 100 m length of CAT-5 cable adaptively within a temperature range of -40 to $150^{\circ}C$. To support the wide temperature range, a feedback system is used. The proposed equalizer has a bandwidth of 31.25 MHz with a fully-differential structure and is implemented in a Hynix $0.13{\mu}m$ BCDMOS technology.
Keywords
Automotive Electronics; IoT; AEC-Q100; Ethernet equalizer; Temperature-Compensating;
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