Patent ID: 7151675
Filing Date: 2006-12-19
Classification: H05K

Abstract:
1. A printed-circuit board assembly for high-speed communication comprising: a connector including a plurality of pins for respectively connecting conductors on a first printed-circuit board to corresponding conductors on a second printed-circuit board when the first and second printed-circuit boards are connected to the connector; a first printed-circuit board connected to the connector and including a plurality of conductors, the plurality of conductors including a first signal line for transmitting a high frequency signal and a plurality of lines connected to respective open pins of the connector but not connected to any signal line; a second printed-circuit board connected to the connector and including a first signal line connected to the first signal line of the first printed-circuit board, through a pin of the connector, for transmitting high frequency signals between the first and second printed-circuit boards, and a plurality of lines respectively connected to the open pins of the connector but not being connected to any signal lines; and lossy elements on at least one of the first and second printed-circuit boards and connected to respective open pins of the connector by respective lines.