A mid-plane assembly includes a main circuit board portion including a plurality of electrical connectors configured to releasably engage a plurality of devices, a first circuit board portion, and a first electrical coupling assembly configured to electrically couple the first circuit board portion to the main circuit board portion and position the first circuit board portion essentially orthogonal to the main circuit board portion.

A connector with contact tails configured to provide a connector footprint enabling a low cost printed circuit board. The contact tails are positioned to leave routing channels, parallel to an edge of a printed circuit board, within the connector footprint. The routing channels may enable routing of high speed signal traces out of the connector footprint on a small number of routing layers. In a connector with 16 columns, each with 8 pairs of signal traces, two routing layers may be adequate to route traces connecting all of the signal vias in the connector footprint to components at the interior of the printed circuit board.

Printed circuit board (PCB), electrical structures including PCBs, and methods for making the same. One PCB structures includes: a substrate having a plurality of surfaces, including a first aerial main face (AMF), a second AMF, and a first peripheral end face (PEF), wherein the first PEF separates the first AMF from the second AMF, and a first plurality of contacts embedded in the first PEF, where each of the first plurality of contacts forms a contiguous contact with the first PEF and at least one of i) the second AMF, ii) the first AMF, and iii) another one of the plurality of surfaces.

A circuit card assembly includes an electrical connector having a housing mounted to a PCB. The housing has a mounting end and a mating end extending between a front and a rear. The housing has a cavity at the mating end configured to receive a second electrical connector. The housing holds deflectable contacts having spring beams at the mating end having mating interfaces. The circuit card assembly includes a contact actuator in the cavity engaging the spring beams and moving the spring beams between compressed positions and released positions. The mating interfaces of the spring beams are spaced apart from the second electrical connector in the compressed positions and are configured to engage and electrically connect with the second electrical connector in the released positions.

An electronic apparatus includes a housing, a first substrate, and at least one substrate module. The housing includes side plates and a bottom plate. The side plates define the inside space having a bottom opening. The side plates include a first side plate and a second side plate connected to the first side plate. The first side plate has a protrusion protruding toward the inside space of the housing. The bottom plate is connected to the side plates to close the bottom opening. The first substrate is provided in the inside space to face the bottom plate. The at least one substrate module is provided on the first substrate in the inside space. The substrate connecting member is provided on the first substrate to face the second side plate and has a hole into which the protrusion of the first side plate is inserted.

A microphone assembly includes a circuit board and a microphone array disposed on the circuit board. The circuit board includes: a first FPC extending along a first direction, and a second FPC extending along a second direction different from the first direction and separated from the first FPC, the second FPC and the first FPC are fixed to each other and form an electrical connection, and the microphone array is disposed on the first FPC.

A control module attached to a lighting fixture and having a front cover portion may comprise one or more sensors, such as a daylight and/or occupancy sensor, for sensing information through the front cover portion. The control module may have a main printed circuit board (PCB) that extends from a front side to a rear side of the control module, and a sensor PCB perpendicular to the main PCB to enable at least one sensor attached to the sensor PCB to face the front side of the control module. The main PCB may comprise a wireless communication circuit and an antenna for communicating radio frequency (RF) signals, wherein at least a portion of the antenna is located within a plastic lip of the front cover portion of the control module. The control module may further have a conductive enclosure to reduce radio-frequency interference noise from coupling into the antenna.

The technology of this application relates to a circuit board assembly and an electronic device. The circuit board assembly is applied to the electronic device, and the circuit board assembly includes a circuit board carrying a large-sized chip and a substrate. The substrate is disposed on a side that is of the circuit board and that faces away from the chip, and is connected to the circuit board. In this application, a deformation manner of the circuit board assembly is designed, to effectively reduce impact of a stress generated by deformation of the substrate on self-deformation of the circuit board, and improve a long-term temperature cycle fatigue life of a solder joint between the chip and the circuit board.

An electronic device includes a back board, a circuit board, a first attaching member and a second attaching member. The circuit board is arranged on the back board. The first attaching member is arranged between the back board and the circuit board. The second attaching member is arranged between the back board and the circuit board. The circuit board is fixed on the back board through the first attaching member and the second attaching member, and a material of the first attaching member is different from that of the second attaching member.

A control module attached to a lighting fixture and having a front cover portion may comprise one or more sensors, such as a daylight and/or occupancy sensor, for sensing information through the front cover portion. The control module may have a main printed circuit board (PCB) that extends from a front side to a rear side of the control module, and a sensor PCB perpendicular to the main PCB to enable at least one sensor attached to the sensor PCB to face the front side of the control module. The main PCB may comprise a wireless communication circuit and an antenna for communicating radio frequency (RF) signals, wherein at least a portion of the antenna is located within a plastic lip of the front cover portion of the control module. The control module may further have a conductive enclosure to reduce radio-frequency interference noise from coupling into the antenna.