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专利名称:Communication circuit and semiconductor
device
发明人:Okabe, Shigeyuki申请号:EP13172966.7申请日:20130620公开号:EP2680440A3公开日:20171220
专利附图:
摘要:Disclosed is a communication circuit that reduces the influence of commonmode noise on electric-current communication. The communication circuit includes areceiver circuit that provides differential communication by using a first transmission path
and a second transmission path. The first transmission path transmits a first signal. Thesecond transmission path transmits a second signal. The receiver circuit includes acompensation circuit that compensates for the attenuation of a current when commonmode noise is superimposed on the first signal and on the second signal. The
compensation circuit includes a first compensation circuit and a second compensationcircuit. The first compensation circuit detects an electric current attenuation of the firstsignal when the common mode noise is superimposed thereon, and compensates for theattenuation thereof by adding the detected electric current attenuation to the secondsignal. The second compensation circuit detects an electric current attenuation of thesecond signal when the common mode noise is superimposed thereon, and compensatesfor the attenuation thereof by adding the detected electric current attenuation to thefirst signal.
申请人:Renesas Electronics Corporation
地址:2-24, Toyosu 3-chome Koutou-ku Tokyo 135-0061 JP
国籍:JP
代理机构:Glawe, Delfs, Moll
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