A single-row electrical wire structure includes a first circuit board and a wire assembly. A board-to-board connector is on the first circuit board. The first circuit board includes a first group of contacts arranged into a single row. A distance between center portions of adjacent two contacts of the first group of contacts forms a width. The wires assembly includes a plurality of high-speed signal pairs and at least one low-speed signal pair respectively connected to the first group of contacts. A first spacing between a contact in the first group of contacts corresponding to a first high-speed signal pair of the high-speed signal pairs and a contact in the first group of contacts corresponding to a second high-speed signal pair of the high-speed signal pairs adjacent to the first high-speed signal pair is at least equal to or greater than 2 times of the width.

Disclosed is a coaxial cable male connector for transmitting super-high frequency signals, which is used in a coaxial cable connector for transmitting super-high frequency signals and is received in a connector socket mounted on a printed circuit board (PCB) to connect multiple coaxial cables to the PCB. The coaxial cable male connector includes: a single or multiple coaxial cables each including an inner conductor, an outer conductor, a dielectric, and a sheath, wherein the outer conductor, the dielectric, and the sheath are partially stripped to expose the inner conductor over a predetermined length, and a terminal of the exposed inner conductor is brought into electrical connect with a signal line terminal pad formed on the PCB; and a shielding can receiving the exposed inner conductors of the single or multiple coaxial cables, securing and protecting ends of the exposed inner conductors, and blocking electromagnetic waves generated from the inner conductors.

A shielded electrical cable includes conductor sets extending along a length of the cable and spaced apart from each other along a width of the cable. First and second shielding films are disposed on opposite sides of the cable and include cover portions and pinched portions arranged such that, in transverse cross section, the cover portions of the films in combination substantially surround each conductor set. An adhesive layer bonds the shielding films together in the pinched portions of the cable. A transverse bending of the cable at a cable location of no more than 180 degrees over an inner radius of at most 2 mm causes a cable impedance of the selected insulated conductor proximate the cable location to vary by no more than 2 percent from an initial cable impedance measured at the cable location in an unbent configuration.

A foldable modular flex circuit for attaching to at least one component. The flex circuit may comprise a central area and at least one tab depending from the central area. The central area may comprise a cable attachment section configured to electrically couple to at least one coaxial cable. A first tab may depend from the central area and is configured to electrically couple to a ball grid array (BGA) of the component. A second pair of tabs may depend from the central area and are configured to electrically couple to an additional at least one component, wherein each tab depends substantially perpendicular from the central area.

A cable connection structure includes: cables, each including a jacket and a core wire exposed at an end portion by removing the jacket; a first fixing member configured to fix distal end portions of exposed core wires while holding the cables at predetermined intervals; a second fixing member configured to fix proximal end portions of the exposed core wires while holding the cables at predetermined intervals; and a substrate including a core wire connection electrode configured to electrically connect the core wire at a position between the first fixing member and the second fixing member, wherein the first fixing member and the second fixing member are different members.

A foldable modular flex circuit for attaching to at least one component. The flex circuit may comprise a central area and at least one tab depending from the central area. The central area may comprise a cable attachment section configured to electrically couple to at least one coaxial cable. A first tab may depend from the central area and is configured to electrically couple to a ball grid array (BGA) of the component. A second pair of tabs may depend from the central area and are configured to electrically couple to an additional at least one component, wherein each tab depends substantially perpendicular from the central area.

A shielded electrical cable includes conductor sets extending along a length of the cable and spaced apart from each other along a width of the cable. First and second shielding films are disposed on opposite sides of the cable and include cover portions and pinched portions arranged such that, in transverse cross section, the cover portions of the films in combination substantially surround each conductor set. An adhesive layer bonds the shielding films together in the pinched portions of the cable. A transverse bending of the cable at a cable location of no more than 180 degrees over an inner radius of at most 2 mm causes a cable impedance of the selected insulated conductor proximate the cable location to vary by no more than 2 percent from an initial cable impedance measured at the cable location in an unbent configuration.

A communication module includes a wiring board including ground wiring, an electronic component provided on the wiring board, and a first connector provided on the wiring board and electrically connected to the electronic component via the wiring board. The first connector includes a metal member electrically connected to the ground wiring, and a plurality of pins arranged in an arrangement direction and including a plurality of high-frequency signal pins used for transmission of a high-frequency signal and a plurality of non-high-frequency signal pins for a use different from the transmission of the high-frequency signal. The plurality of high-frequency signal pins include a plurality of first pins successively arranged in the arrangement direction. None of the plurality of non-high-frequency signal pins is interposed between the plurality of first pins and the metal member.

Disclosed herein is a compact connector for transmitting super-high-frequency signals, which is adapted to connect a printed circuit board (PCB) to a single or multiple high-frequency signal lines transmitting super-high frequency signals therethrough. The compact connector includes: a male connector connected to the single or multiple super-high frequency signal lines and comprising a male connector housing receiving, securing, and protecting terminals of the single or multiple super-high frequency signal lines; and a connector socket mounted on the PCB and receiving the male connector housing fastened to the male connector, wherein the super high-frequency signal line terminals in the male connector are brought into direct contact with and connected to signal line terminal pads formed on the printed circuit board, respectively.

Disclosed is a coaxial cable male connector for transmitting super-high frequency signals, which is used in a coaxial cable connector for transmitting super-high frequency signals and is received in a connector socket mounted on a printed circuit board (PCB) to connect multiple coaxial cables to the PCB. The coaxial cable male connector includes: a single or multiple coaxial cables each including an inner conductor, an outer conductor, a dielectric, and a sheath, wherein the outer conductor, the dielectric, and the sheath are partially stripped to expose the inner conductor over a predetermined length, and a terminal of the exposed inner conductor is brought into electrical connect with a signal line terminal pad formed on the PCB; and a shielding can receiving the exposed inner conductors of the single or multiple coaxial cables, securing and protecting ends of the exposed inner conductors, and blocking electromagnetic waves generated from the inner conductors.