Patent classifications
H05K2201/09309
Power supplies including shielded multilayer power transmission boards
A power supply comprises a main circuit board and a multilayer power transmission board electrically coupled to the main circuit board. The multilayer board includes a conductive neutral layer having an inner side, a conductive line layer having an inner side facing the inner side of the conductive neutral layer, and a dielectric medium positioned between the conductive neutral layer and the conductive line layer. The power supply also comprises a first conductive outer layer positioned adjacently to an outer side of the conductive neutral layer, a second conductive outer layer positioned adjacently to an outer side of the conductive line layer, and a conductive plating material positioned within a slot formed in the multilayer power transmission board and covering an interior portion of the multilayer power transmission board facing the slot. The conductive plating material electrically couples the first and second conductive outer layers.
PRINTED CIRCUIT BOARD INCLUDING GROUND LINE FOR CANCELING ELECTROMAGNETIC WAVES GENERATED BY POWER LINE, AND ELECTRONIC DEVICE INCLUDING SAME
A printed circuit board according to various embodiments of the present disclosure can include a first substrate layer, a dielectric layer stacked below the first substrate layer, and a second substrate layer stacked below the dielectric layer. The second substrate layer can include: a power line; a ground part disposed to have an isolated area along the power line; and a ground line which extends from the ground part so as to be disposed in the isolated area, and which separates the isolated area into a first area and a second area so as to generate electromagnetic waves for canceling the electromagnetic waves generated by a current flowing through the power line. Other embodiments are also possible.
TRANSMISSION LINE MEMBER
A transmission line member includes a base body extending along a transmission direction of a high-frequency signal, and a first transmission line, a second transmission line, and a third transmission line. The base body includes a first portion including the first transmission line, a second portion including the second transmission line, and a third portion including the third transmission line. The second portion is connected between the first and third portions. A thickness of the second portion is smaller than a thickness of the first and third portions. The second transmission line includes only a conductor pattern extending more in the transmission direction than in a direction of the thickness.
PRINTED CIRCUIT BOARDS FOR POWER SUPPLIES
At least one embodiment of a power supply includes a printed circuit board formed from a plurality of double-sided laminates and a plurality of thermally conductive, electrically insulating pre-preg sheets interleaved with the plurality of double-sided laminates. Each double-sided laminate illustratively includes an electrically insulating core, a first patterned layer of electrically conductive material arranged on a first side of the electrically insulating core, and a second patterned layer of electrically conductive material arranged on a second side of the electrically insulating core opposite the first side. The printed circuit board illustratively further includes a thermally conductive, electrically insulating additive resin filling spaces between the electrically conductive material in both the first and second patterned layers of each of the plurality of double-sided laminates, such that the electrically conductive material and the additive resin together form planar surfaces that contact the plurality of pre-preg sheets.
NON-OVERLAPPING POWER/GROUND PLANES FOR LOCALIZED POWER DISTRIBUTION NETWORK DESIGN
Embodiments described herein are directed to methods and apparatus for power distribution. The apparatus can include a power distribution network for a plurality of integrated circuits (IC). According to embodiments, the power distribution network includes a plurality of overlapping power/ground (PG) plane segments and one or more non-overlapping PG (no-PG) plane segments. Each overlapping-PG plane segment is separated from another overlapping-PG plane segment by at least one no-PG plane segment. The no-PG plane segments can include at least one of a multilayered power (P) plane segment with no ground reference of any PG plane and a multilayered ground (G) plane segment with no power reference of any PG plane.
System-in-Package device ball map and layout optimization
Systems and methods for the design and use of a System-in-Package (SiP) device with a connection layout for minimizing a system Printed Circuit Board (PCB) using the SiP are provided.
PRINTED CIRCUIT BOARD, POWER SUPPLY, AND POWER SUPPLY SYSTEM
This application provides a printed circuit board. The printed circuit board includes a first outer conducting layer, a second outer conducting layer, and at least one insulation medium layer sandwiched between the first outer conducting layer and the second outer conducting layer. The printed circuit board includes a gold finger area and a soldering area. A total thickness of all conducting layers in the gold finger area is greater than that of all conducting layers in the soldering area. Because the total thickness of all conducting layers in the gold finger area is relatively thick, resistance of the gold finger area can be reduced, and a through-current capability of the gold finger area is improved. In addition, the total thickness of all conducting layers in the soldering area is relatively thin, so that a sufficient soldering temperature and a good soldering effect can be ensured.
RESISTIVE PCB TRACES FOR IMPROVED STABILITY
A method of running a printed circuit board (PCB) trace on a PCB. The PCB comprising a plurality of PCB layers. The method comprising forming a conductive trace on at least one of the plurality of PCB layers; coupling a first portion of the conductive trace to a capacitor formed on at least one of the plurality of PCB layers; coupling a second portion, different from the first portion, of the conductive trace to a conductive material formed within a first via extending through two or more of the plurality of PCB layers; and configurably setting a length of a conductive path of the conductive trace according to a predetermined impedance. The capacitor is separated laterally in a plan view at a first distance from the first via. The length of the conductive trace in the plan view is greater than the first distance. The conductive path of the conductive trace of the length has the predetermined impedance.
SpaceCube V3.0 single-board computer
A single-board computer system radiation hardened for space flight includes a printed circuit board (PCB) having a top side and bottom side; a reconfigurable field programmable gate array (FPGA) processor device a connector disposed on the top side; a plurality of peripheral components mounted on the bottom side, wherein AC coupling capacitors are configured to select routing between the first FPGA and the second FPGA. An expansion card plug attaches to a connector on the bottom of the PCB and a frame is mounted to the PCB.
Integrated power delivery board for delivering power to an ASIC with bypass of signal vias in a printed circuit board
In one embodiment, an apparatus generally comprises a power delivery board for integration with a printed circuit board, the power delivery board comprising a power plane for delivering power from a voltage regulator module to an application specific integrated circuit (ASIC) mounted on a first side of the printed circuit board. The power plane in the power delivery board interconnects with power vias in the power delivery board for vertical alignment with the ASIC through power vias in the printed circuit board to electrically couple the voltage regulator module and the ASIC when the power delivery board is mounted on a second side of the printed circuit board.