Termination circuit for broadband signal lines
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United States of America Patent
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Issued Date -
May 24, 2007
app pub date -
Nov 16, 2005
filing date -
Nov 16, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A termination circuit includes a low-pass filter configured to couple to a first signal line and a second signal line. An activation circuit is coupled to the low-pass filter. A termination impedance is coupled to the activation circuit. A detector circuit is coupled to the low-pass filter. The detector circuit is configured to detect a signal on the first signal line and the second signal line. A control circuit is coupled to an output from the detector circuit. The control circuit is configured to determine if the signal corresponds to a predefined class of telephone service and to select a state of the activation circuit in accordance with the determination.
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