Transmission media driving system
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United States of America Patent
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-
Aug 10, 1993
Grant Date -
N/A
app pub date -
Jun 11, 1991
filing date -
Jun 11, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A transmission media driving system for receiving high data rate serial binary data signal, dividing the signal into two or more lower data rate signal paths, modified duobinary encoding the signals and transmitting the signals on respective two-conductor transmission lines. The system includes ample encoding circuits for generating control signals and a line driver circuit, associated with each encoding circuit, that is responsive to the control signals to drive one of the transmission lines with the modified duobinary encoded signal through a transformer. The driver circuit includes multiple current sources that are switched to conducting or nonconducting states in response to the control signals to drive currents through a primary winding of the transformer to achieve appropriate levels of the encoded signal.
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