Ruggedized analog front-end for a network communicative device in a railway-like environment
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United States of America Patent
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Sep 21, 2010
Grant Date -
Dec 4, 2008
app pub date -
Jan 6, 2005
filing date -
Jan 7, 2004
priority date (Note) -
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Abstract
A ruggedized analog front-end for interconnecting a network communicative device to a two-conductor based network operable in a train-like or other harsh environment. The front-end has a coupling circuit having first and second coupling channels providing isolation, impedance matching and energy transfer between a common mode filter circuit connectable to the two-conductor based network, and an amplifier and an attenuator respectively connectable to output and input of the network communicative device. The front-end has a power supply circuit for operative power supply of electronic components of the analog front-end.
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