Abstract: The present disclosure relates to an apparatus for precompensating a VCSEL-signal, comprising a FIR-filter, wherein the FIR-filter is adapted to precompensate a signal by adjusting a portion of the signal in the first bit after a signal transition, and wherein the precompensated signal is injected into a VCSEL.

Abstract: An opto-electrical transceiver module and an active optical cable comprising such a module are disclosed. The module includes a first printed circuit board and a second printed circuit board. The first printed circuit board carries 1) a light sources with driver circuitry that converts incoming electrical signals to optical signals, 2) optical receiver components with amplifier circuitry that converts optical signals to electrical signals, 3) a single optical coupling unit configured to optically coupling waveguides of an optical cable to the light sources as well as to the optical receiver components, and (4) one or more electrical contacts configured to connect to a host device. The second printed circuit board includes electrical contacts connected to the driver circuitry or to the amplifier circuitry on the first printed circuit board.

Abstract: An electrical cable connector is provided that can be configured to be mounted to a printed circuit board. The electrical connector includes a connector housing, and a pair of electrical terminals (38,40) that are configured to be mounted to electrical cables (22,30). The electrical terminals (38,40) can be identical to each other in one example.

Abstract: In accordance with one embodiment, an electrical contact has a mating end and a mounting end. The electrical contact includes an electrically conductive base, and a multi-layered coating disposed on an outer surface of the base at the mating end. The multi-layered coating can include a metallic layer of a noble metal or alloy thereof, a layer of anti-tarnish material disposed on the metallic layer, and a lubricant layer disposed on the layer of anti-tarnish material, the lubricant effective to seal at least some wear regions created in the layer of anti-tarnish material due to micromotion of the mating end in use.

Abstract: An electrical connector includes a plurality of leadframe assembly, each having a leadframe housing and a plurality of contacts carried by the leadframe housing. The electrical connector includes at least one unassigned electrical contact that includes a resistor.

Abstract: A card edge connector including electrical contacts; and a housing having the electrical contacts connected thereto. The housing comprises a card edge receiving slot, and a beam extending at least partially across a width of the card edge receiving slot. An open space is provided between the beam and a bottom of the card edge receiving slot.

Abstract: An electrical connector assembly comprises a first connector having an outer housing having an activatable latch flexibly attached thereto, the latch having a lock tab located thereon; an inner housing mounted in the outer housing, the inner housing having first and second prongs integrally formed with the inner housing and configured to continuously bias the latch; and a second connector comprising a cavity formed on a surface thereof. Continuously biasing the latch by the first and second prongs causes the engagement of the lock tab of the first connector with the cavity of the second connector to lock the first connector to the second connector.

Abstract: A latch assembly for an electrical connector module is configured to releasably secure an electrically conductive housing to an electrically conductive cage. The electrically conductive housing defines a first end that supports an electrical connector, and a second end opposite the first end. A plurality of electrical cables are mounted to a plurality of electrical contacts of the electrical connector, and the cables can extend out a second end of the electrically conductive housing opposite the first end. The latch assembly is configured to secure the electrically conductive housing to the cage when the electrical connector is mated to a complementary electrical component in the cage. The latch assembly can release the electrically conductive housing from the cage when the electrical connector is to be removed from the complementary electrical component in the cage.

Abstract: An electrical connector includes a dielectric housing, a plurality of electrical signal contacts carried by the dielectric housing, and a ground plate carried by the dielectric housing. The electrical signal contacts are arranged along a first plane, wherein the signal contacts define signal pairs. The signal contacts further define respective mating and mounting ends. The ground plate includes a ground plate body oriented in a second plane that is substantially parallel to the first plane and offset from the first plane. The ground plate body defines first and second opposed surfaces. The ground plate includes at least one rib that defines first and second opposed surfaces, wherein the first surface of the rib projects from the first surface of the ground plate body in a direction toward the first plane between adjacent signal pairs, and the second surface is recessed into the second surface of the ground plate body.

Abstract: In accordance with the various embodiments disclosed herein, electrical connector footprints, such as printed circuit boards, is described comprising one or more of signal traces that each include a first section that extends parallel to the linear array direction and a second section extends in a direction that is different than the linear array direction.

Abstract: An electrical connector footprint on a printed circuit board (PCB) can include vias and antipads surrounding those vias. While conventional antipads surrounding vias are large in order to improve impedance of the PCB, the presence of the antipads can compromise the integrity of the ground plane and can permit cross talk to arise between differential pairs on different layers in the PCB. Antipads can be constructed and arranged so as to limit cross talk between layers in a PCB, while also maximizing impedance.

Abstract: A retention housing having a housing body is provided, the retention housing configured to be mounted to a substrate. At least one, such as a plurality of cables can be electrically connected to a respective surface of the substrate to which the retention housing is mounted. When the retention housing is mounted to the respective surface of the substrate, at least a portion of the at least one cable can be compressed between a ground element supported by the respective surface of the substrate and a corresponding upper wall of the housing body, such that the at least one cable is placed into electrical communication with a ground plane defined by the substrate.

Abstract: An insulation displacement contact includes a monolithic electrically conductive contact body that includes mating portion and a mounting portion. The mating portion defines a pair of insulation displacement slots configured to receive an electrical cable delivered by a connector housing.

Abstract: An electrical connector assembly includes first and second mezzanine electrical connectors that include respective first and second arrays of electrical contacts. The electrical contacts can be receptacle, or one can be a plug and the other can be a receptacle. Each electrical connector can further include at least one alignment member that cooperate to align the first and second arrays of electrical contacts relative to each other. Each electrical connector can further include at least one orientation member that allows the first and second electrical connectors to mate when in a predetermined orientation relative to each other.

Abstract: An insulation displacement contact includes a monolithic electrically conductive contact body that includes mating portion and a mounting portion. The mating portion defines a pair of insulation displacement slots configured to receive an electrical cable delivered by a connector housing. The insulation displacement contact includes a retention wall that is received by the connector housing in order to insert the electrical cable into the insulation displacement slots. The connector housing can further receive the insulation displacement contact so as to deliver the mounting portion to a complementary electrical component to which the insulation displacement contact is mounted.

Abstract: In accordance with the various embodiments disclosed herein, an improved electrical connector footprints, such as printed circuit boards (printed circuit board), is described comprising one or more of, for example, a first linear array containing at least a first anti-pad extending along a first direction, a first electrical signal trace extending along the first direction and spaced from the first linear array along a second direction that is perpendicular to the first direction, a group of ground isolation vias containing at least one electrically conductive ground via arranged along a line extending parallel to the first direction and spaced from the first electrical signal trace along the second direction, and a second linear array containing at least a second anti-pad extending along the first direction spaced from the group of ground isolation vias along the second direction.

Abstract: A method is provided for mounting a plurality of cable connectors onto a panel that defines a plurality of target mounting locations. At least two of the plurality of cable connectors defines at least a pair of cable retaining apertures. The pairs of cable retaining apertures of a first one of the two cable connectors are spaced apart in a first direction, and the pair of cable retaining apertures of a second one of the two cable connectors are spaced apart in a second direction that is different than the first direction.

Abstract: In accordance with the various embodiments disclosed herein, an improved electrical connector footprints, such as printed circuit boards (printed circuit board), is described comprising one or more of, for example, a first linear array containing at least a first anti-pad extending along a first direction, a first electrical signal trace extending along the first direction and spaced from the first linear array along a second direction that is perpendicular to the first direction, a group of ground isolation vias containing at least one electrically conductive ground via arranged along a line extending parallel to the first direction and spaced from the first electrical signal trace along the second direction, and a second linear array containing at least a second anti-pad extending along the first direction spaced from the group of ground isolation vias along the second direction.