H05K3/222

Low-cost method for selectively reducing switch loss

A method includes providing a radio frequency front end (RFFE) switch including a single pole input terminal and a number (N) of output terminals. Each of the N output terminals is a component of a respective one of N throws of the RFFE switch, with N being greater than one. The N output terminals include a first output terminal corresponding to a first throw of the N throws and at least one additional output terminal not connected to any radio frequency (RF) band path. The at least one additional output terminal includes a second output terminal corresponding to a second throw of the N throws. The method includes connecting the first output terminal to a single RF band path. The method includes forming a parallel connection between the single pole input terminal and the single RF band path. The parallel connection provides at least two parallel branches for routing RF signals being transceived between the single pole input terminal and the single RF band path.

Apparatus, system, and method including a bridge device for interfacing a package device with a substrate

Techniques and mechanisms for facilitating connection between a packaged device and a substrate of another device. In an embodiment, a devicesuch as a printed circuit boardcomprises a substrate and a hardware interface at a first side of the substrate, the hardware interface to couple the device to a package including integrated circuitry. The device is further configured to couple to a bridge device via contacts disposed at a second side of the substrate. An interconnect extends from the hardware interface to one of the contacts at the second side. In another embodiment, coupling the substrate to the bridge device interconnects two of the contacts at the second side to one another via the bridge device, where one or more contacts of the hardware interface (e.g., only a subset of all such contacts) are also interconnected with the bridge device via the second side.

MOTOR DRIVING DEVICE AND AIR CONDITIONER
20190305649 · 2019-10-03 ·

A motor driving device that converts alternating-current power to direct-current power and drives a motor, the motor driving device including a printed circuit board having a first plate surface and a second plate surface, having an inverter module and an inverter module provided on the first plate surface, having a first power pattern provided on the second plate surface and connected to the inverter module, having a second power pattern provided on the second plate surface and connected to the inverter module, and having a jumper portion to connect the first power pattern and the second power pattern. A cross-sectional area of the jumper portion is larger than a cross-sectional area of the first power pattern or the second power pattern.

Power conversion device
10432106 · 2019-10-01 · ·

A power conversion device includes a printed wiring board on which an alternating-current power-supply input part, a converter circuit part to convert alternating-current power to direct-current power, an inverter circuit part to convert direct-current power converted by the converter circuit part to alternating-current power, an alternating-current power-supply output part to output alternating-current power converted by the inverter circuit part, and a conductive pattern to electrically connect the alternating-current power-supply input part, the converter circuit part, the inverter circuit part, and the alternating-current power-supply output part to one another are provided, and a busbar that has a plate-like shape with a plane direction thereof perpendicular to a plane direction of the printed wiring board, is arranged to overlap the conductive pattern in plan view, and includes two or more connecting portions that are in contact with the conductive pattern.

Light emitting device and substrate
10396262 · 2019-08-27 · ·

A substrate for a light emitting device includes: a plurality of wiring patterns, each including: a first conductive pattern including: a light emitting element mounting region defined by a first, second, third, and fourth sides in a plan view, and a contact region; and a second conductive pattern surrounding a portion of the first side where the contact region is not present, an entirety of the second side, and a portion of or an entirety of the third side, wherein a first end portion of the second conductive pattern at the third side is positioned nearer to the fourth side than a second end portion of the second conductive pattern at the first side is to the fourth side. The third side of a second wiring pattern faces the first side of a first wiring pattern.

Printed circuit board, corresponding lighting module, lighting system and method for implementing lighting modules
10356862 · 2019-07-16 · ·

The printed circuit board includes metallic zones including: a first, second and third positive terminal, a first and second negative terminal, wherein the second negative terminal is connected to the first negative terminal, and electric contacts for the mounting of one or more LEDs and electric traces such that the LEDs are connected in series forming a LED string. The printed circuit board comprises selection means implemented with electric traces and metallic contacts adapted to be short-circuited via links in order to permit all of the following connections: a connection of the LED string between the first and third positive terminal, a connection of the LED string between the first positive terminal and the first negative terminal, a connection of the LED string between the second and third positive terminal, and a connection of the LED string between the second positive terminal and the first negative terminal.

INSTALLATION STRUCTURE OF THERMAL FUSE
20190206651 · 2019-07-04 ·

An installation structure of a temperature fuse is disclosed. The temperature fuse includes a first leg fixed to one surface of a printed circuit board (PCB), a bent part formed to be bent several times in an outer direction of the PCB from an end part of the first leg, and a second leg incorporated with the bent part and fixed to one surface of the PCB while being spaced apart from the first leg by a predetermined distance. The installation structure of the temperature fuse includes a third leg formed to extend from any one of the first leg and the second leg, a conductive member electrically connected to the third leg while being electrically isolated from the PCB, and a sensing part electrically connected to the third leg through the conductive member, and configured to detect whether a connection state between the third leg and the conductive member is normal.

CIRCUIT BOARDS AND METHOD TO MANUFACTURE CIRCUIT BOARDS
20190174619 · 2019-06-06 · ·

A printed circuit board (1) comprises a conductive outer layer (2) and at least one conductive inner layer (4, 14). At least one bus bar (7, 8) for conducting high current and at least one power semiconductor (12) for controlling and/or activating the high current are disposed on a side of the outer layer (2) facing away from the at least one inner layer (4, 14). The printed circuit board (1) allows for a high level of component density while simultaneously providing for effective heat dissipation. Furthermore, the printed circuit board (1) can be produced economically and flexibly.

System and method for cross-talk cancellation in single-ended signaling
10312967 · 2019-06-04 · ·

A method for transmitting data advantageously reduces cross-talk in high-speed data transmission. The method comprises receiving an input data word, encoding the input data word into a code word, and driving the code word on to an interconnect for transmission. The code word is generating using a balanced coding scheme, and the interconnect is a single-ended, twisted-wire on-chip fly-over interconnect. A receiver circuit decodes the code word to generate an output data word.

NOVEL TIMER MODULE
20240206085 · 2024-06-20 ·

Disclosed is a novel timer module. The novel timer module includes a replaceable movement, a master control circuit board, an upper housing, and a lower housing. A circuit board is disposed inside the replaceable movement. Five first inserting pins are welded on the circuit board. The first inserting pins are exposed from the outside of a housing of the replaceable movement. The master control circuit board is located in the upper housing and the lower housing, and is fixed on an upper surface of the lower housing. A relay is disposed inside the master control circuit board. Contacts of the relay respectively extend and are fixed on a surface of the master control circuit board by using leads. Therefore, a problem that a conventional timer movement is fixedly welded on a circuit of a timer module can be resolved.