I've been pretty much retired for some time now (pending contracts etc.) , but as I recall, there was usually  a bypass capacitor at the bus center tap  inside line replaceable units  in aircraft; per DO-160 and MIL 461 etc the items themselves have immunity and emissions requirements.  And it shouldn't be forgotten that stray capacitance IS a bypass for cable shields.

Cortland Richmond


On 6/12/18 5:41 PM, Ken Javor wrote:
Automotive EMC question The CAN bus spec says that shield(s) are to be grounded at one end only. How does this work vs. meeting stringent rf RE and RS requirements at frequencies where cables are electrically long?

Thank you,

Ken Javor
Phone: (256) 650-5261


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