- Volume 10 Issue 1
A Study on a Reduced Crosstalk for the Design of 100 MHz High Speed Data Transmission Modular Jack
Crosstalk를 방지한 100 MHz 고속 데이터 전송 Modular Jack의 설계 및 제작에 관한 연구
- 이중근 ;
- Published : 1999.02.01
In this paper, a method of canceling and suppressing differential-mode crosstalk-noise signals caused by non-uniform coupling between two transmission lines in UTP(Unshielded Twisted Paris) modular jacks is discussed. Differential-mode crosstalk-noise signals in balanced transmission lines in UTP modular jacks were suppressed by inserting auxiliary capacitance between balanced transmission line pairs which are located closely enough to be effectively coupled each other. To verify the effectiveness of the inserted capacitances, precisely calculated auxiliary capacitances were applied to 10 pin modular jacks which are used in local area networks at 100 Mb/s with unshielded twisted pair-cables. The NEXT(Near-End Crosstalk) losses were measured to prove its applicability.
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