High performance data cable

H - Electricity – 01 – B

Patent

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Details

H01B 11/02 (2006.01) H01B 7/00 (2006.01) H01B 11/04 (2006.01) H01B 11/08 (2006.01) H01B 11/10 (2006.01) H01B 13/26 (2006.01)

Patent

CA 2381151

An improved high performance twisted pair data cable (20) that has an impedance standard deviation of less than 3.5 when the standard deviation is calculated around an average impedance of 50 to 200 ohms and preferably 90 to 110 ohms. The twisted pair is helically wrapped with a metal shield tape (16) at a tension that provides a cross-sectional void of less than 25 % and preferably less than 18 % of the cross-sectional area of the shielded twisted pair cable. The tape is helically wrapped with an overlap of 30-45 % and at an angle of 35-45 degrees with respect to the longitudinal axis of the cable. The cable has a rating up to 600 MHz.

L'invention concerne un câble de données à paires torsadées haute performance amélioré (20) qui présente un écart-type d'impédance inférieur à 3,5 si l'on calcule cet écart-type autour d'une impédance moyenne située entre 50 et 200 ohms, et de préférence entre 90 et 110 ohms. Les paires torsadées sont enroulées de manière hélicoïdale par un ruban à blindage métallique (16), à une tension qui forme un vide en section transversale inférieur à 25 %, et de préférence à 18 %, de la surface de section transversale dudit câble à paires torsadées blindé. Le ruban est enroulé de manière hélicoïdale avec un chevauchement variant entre 30 et 45 % et à un angle allant de 35 à 45 degrés par rapport à l'axe longitudinal du câble. Enfin, le calibre de ce câble peut atteindre 600 MHz.

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