Active network termination circuit
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United States of America Patent
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-
Aug 19, 1986
Grant Date -
N/A
app pub date -
Mar 5, 1984
filing date -
Mar 5, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This disclosure depicts an active network for providing a virtual impedance to a voice frequency loaded pair having tip and ring terminals. The network comprises means for providing a predetermined capacitance between the tip terminal and ground and between the ring terminal and ground and has a variable resistive means. The means has a first input operatively connected to the tip terminal and a second input operatively connected to the ring terminal and also has first and second outputs. First and second fixed resistive means are operatively connected between the first output and the tip terminal and the second output and the ring terminal, respectively. The value of the predetermined capacitance is determined by the first and second fixed resistive means and the variable resistive means in the means for providing a predetermined capacitance.
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