US Patent 7492826 Bidirectional buffered interface for crosspoint switch
Patent 7492826 was granted and assigned to Intersil on February, 2009 by the United States Patent and Trademark Office.
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A bidirectional crosspoint switch interface employs a pair of backward-connected transimpedance amplifiers of the type disclosed in the L. Enriquez U.S. Pat. No. 6,411,163, and associated scaling current mirrors that drive nodes of associated reverse signal cancellation circuits. The reverse signal cancellation circuits are coupled to respective pairs of ports of the crosspoint switch and input and output ports of 1:1 current mirrors, in a manner that affords bidirectional buffering between the crosspoint switch and a pair of bidirectional signaling ports that terminate respective signaling links, without signal reflections.
US Patent 07492826 Bidirectional buffered interface for crosspoint switch US Patent 7492826 Bidirectional buffered interface for crosspoint switch
US Patent 07492826 Bidirectional buffered interface for crosspoint switch
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