High-speed connector with multi-stage compensation
First Claim
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1. A communication jack for use in a communication network, said jack having a plurality of plug interface contacts for making conductive contact with contacts of a plug, said communication jack comprising:
- eight current-carrying paths through the communication jack, said current-carrying paths comprising first, second, third, and fourth differential pairs of conductors, each of said differential pairs comprising a first and a second conductive pathway;
compensation circuitry adapted to decrease the overall crosstalk when said communication jack is connected to a plug, said compensation circuitry comprising;
a first capacitor connected between the first conductive pathway of the first differential pair and the second conductive pathway of the second differential pair;
a second capacitor connected between the second conductive pathway of the first differential pair and the first conductive pathway of the second differential pair;
a third capacitor connected between the first conductive pathway of the second differential pair and the first conductive pathway of the fourth differential pair; and
a fourth capacitor connected between the second conductive pathway of the second differential pair and the second conductive pathway of the third differential pair;
wherein said first, second, third, and fourth capacitors are provided on a flexible circuit board in electrical contact with said plug interface contacts and further are provided within a single stage of compensation in said jack; and
wherein the jack further comprises a rigid circuit board containing compensation circuitry wherein the compensation circuitry comprises second stage lattice network crosstalk between the first and second differential pairs.
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Abstract
A communication connector uses compensation circuitry to compensate for crosstalk in a network connection. Portions of the compensation circuitry are placed on a flexible circuit board that makes conductive contact with plug interface contacts of the connector. Additional compensation circuitry is provided on a rigid circuit board within the connector.
69 Citations
7 Claims
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1. A communication jack for use in a communication network, said jack having a plurality of plug interface contacts for making conductive contact with contacts of a plug, said communication jack comprising:
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eight current-carrying paths through the communication jack, said current-carrying paths comprising first, second, third, and fourth differential pairs of conductors, each of said differential pairs comprising a first and a second conductive pathway; compensation circuitry adapted to decrease the overall crosstalk when said communication jack is connected to a plug, said compensation circuitry comprising; a first capacitor connected between the first conductive pathway of the first differential pair and the second conductive pathway of the second differential pair; a second capacitor connected between the second conductive pathway of the first differential pair and the first conductive pathway of the second differential pair; a third capacitor connected between the first conductive pathway of the second differential pair and the first conductive pathway of the fourth differential pair; and a fourth capacitor connected between the second conductive pathway of the second differential pair and the second conductive pathway of the third differential pair; wherein said first, second, third, and fourth capacitors are provided on a flexible circuit board in electrical contact with said plug interface contacts and further are provided within a single stage of compensation in said jack; and wherein the jack further comprises a rigid circuit board containing compensation circuitry wherein the compensation circuitry comprises second stage lattice network crosstalk between the first and second differential pairs. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification