Wire telecommunication equipment with protection against...

H - Electricity – 05 – K

Patent

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Details

H05K 1/18 (2006.01) H04B 3/28 (2006.01) H04B 15/00 (2006.01) H05K 1/02 (2006.01) H05K 9/00 (2006.01) H05K 1/16 (2006.01)

Patent

CA 2219703

The equipment includes two connectors (7, 8) for connection to two respective lines (9, 10), and a multilayer printed circuit (4), one region (5) of which supports signal processing components (6), each of the lines including at least two electrical conductors. The printed circuit incorporates essentially inductive electrical links (16) between the connectors and the components. The printed circuit further incorporates metallizations (U1, U2, Rx1, Rx2, Tx1, Tx2) associated with the two connectors (7, 8) which link them respectively to the conductors of the two lines (9, 10). These metallizations belong to different layers of the printed circuit (4) and are situated facing one another so as to produce capacitive coupling between the two lines (9, 10) so that a fast electromagnetic disturbance arising on one of the lines is diverted to the other line rather than reaching the signal processing components.

Dispositif comportant deux connecteurs (7 et 8) pour le raccordement de deux lignes (9 et 10), ainsi qu'un circuit imprimé multicouches (4) dont une région (5) est réservée à des composants de traitement de signaux (6), chacune des lignes comportant au moins deux conducteurs électriques. Le circuit imprimé incorpore des couplages électriques essentiellement inductifs (16) entre les connecteurs et les composants. Le circuit imprimé comporte en outre des métallisations (U1, U2, Rx1, Rx2, Tx1 et Tx2) associées aux deux connecteurs (7 et 8), les raccordant respectivement aux conducteurs des deux lignes (9 et 10). Ces métallisations sont en liaisonn avec différentes couches du circuit imprimé (4) et sont positionnées de manière à produire le couplage capacitif des lignes (9 et 10), de sorte que toute perturbation électromagnétique soudaine survenant dans l'une des deux lignes est communiquée à l'autre ligne plutôt que d'atteindre les composants de traitement des signaux.

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