Impedance adaptation process and device for a transmitter and/or receiver, integrated circuit and transmission system
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United States of America Patent
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Jan 21, 1997
Grant Date -
N/A
app pub date -
Aug 19, 1994
filing date -
Aug 19, 1993
priority date (Note) -
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status (Latency Note)
Importance
Abstract
An integrated circuit (IC) includes a device (10) that adapts the impedance to the characteristic impedance (Zc) of transmission lines (13) each connecting a transmitter (11) to a receiver (12). Two adaptation blocks (14, 15) reproduce the respective structures of the transmitters (11) and receivers (12) and their impedance is adapted by a reference resistor (Rr). A closed loop control device (Len, Lep, Lrn, Lrp) reproduces the adaptation conditions in the transmitters (11) and receivers (12) respectively.
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