Transmitter and receiver of differential current driving mode, and interface system of differential current driving mode including the same
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United States of America Patent
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Dec 4, 2012
Grant Date -
Dec 15, 2011
app pub date -
Jul 7, 2009
filing date -
Aug 26, 2008
priority date (Note) -
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Abstract
Differential current driving type transmitter and receiver, and an interface system having the transmitter and receiver. The transmitter includes a current source, a current direction selecting block, and a balancing switch block. The current source sources currents to a pair of transmission lines or sinks currents flowing through the pair of transmission lines. The current direction selecting block transfers a current flowing from the current source to one transmission line of the pair of transmission lines and a current flowing through the other transmission line of the pair of transmission lines to the current source. The balancing switch block initializes the pair of transmission lines to a balanced state.
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