Automatic impedance matching with potential monitoring means
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United States of America Patent
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Oct 17, 1995
Grant Date -
N/A
app pub date -
Apr 18, 1994
filing date -
Apr 20, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus for impedance matching a transmitter to a transmission medium of a communication system during normal operation of the system. The method comprises feeding signals from the transmitter to the transmission medium through a variable impedance; monitoring the potential upstream and downstream of the variable impedance; generating a control signal related to the monitored potentials; and adjusting the impedance of the variable impedance in accordance with the control signal until the monitored potentials satisfy matching conditions in which the transmitter is impedance matched to the transmission medium.
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