Relay circuit board, electric wire for differential transmission with relay circuit board, cable with connector

An electric wire for differential transmission with a relay circuit board, compressing:

• a relay circuit board including a plurality of first pads arranged in parallel in a first direction, a plurality of second pads arranged in parallel in a second direction, and wirings connecting the plurality of first pads and the plurality of second pads, respectively;
• and
• a plurality of electric wires for differential transmission, wherein:
• the plurality of electric wires for differential transmission are respectively connected to the plurality of first pads,
• one or more of the wirings of the relay circuit board, which connect the plurality of first pads and the plurality of second pads, respectively, are provided in a bent state in a meandering manner,
• the second direction is inclined at a predetermined angle with respect to the first direction, and the predetermined angle is greater than 0 degree and smaller than 90 degrees,
• the one or more of the wirings include differential transmission line formed by a pair of a first wiring and a second wiring which are adjacent to each other,
• a distance from one of the first pads connected to the first wiring to one of the second pads connected to the first wiring is shorter than a distance from another of the first pads connected to the second wiring to the one of the second pads, in the first direction, and
• the first wiring is more meandering than the second wiring.

A cable with a connector, comprising:

• a connector;
• and
• a cable, wherein:
• the connector includes:
• a relay circuit board including a plurality of first pads arranged in parallel in a first direction, a plurality of second pads arranged in parallel in a second direction, and wirings connecting the plurality of first pads and the plurality of second pads, respectively;
• a housing accommodating the relay circuit board;
• and
• a plurality of connector terminals arranged in parallel in the second direction, wherein the plurality of second pads are connected to the plurality of connector terminals,
• the cable includes
• a plurality of electric wires for differential transmission, and is led out from the housing in a state in which the plurality of electric wires for differential transmission are bundled,
• the plurality of electric wires for differential transmission are respectively connected to the plurality of first pads,
• the second direction is inclined at a predetermined angle with respect to the first direction, the predetermined angle is greater than 0 degree and smaller than 90 degrees,
• the second direction and the direction in which the cable is led out from the housing are the same direction,
• the wirings include differential transmission line formed by a pair of a first wiring and a second wiring which are adjacent to each other,
• a distance from one of the first pads connected to the first wiring to one of the second pads connected to the first wiring is shorter than a distance from another of the first pads connected to the second wiring to the one of the second pads, in the first direction, and
• the first wiring is more meandering than the second wiring.

A cable with a connector, comprising:

• a connector;
• and
• a cable, wherein:
• the connector includes:
• a relay circuit board including a plurality of first pads arranged in parallel in a first direction, a plurality of second pads arranged in parallel in a second direction, and wirings connecting the plurality of first pads and the plurality of second pads, respectively;
• a housing accommodating the relay circuit board;
• and
• a plurality of connector terminals arranged in parallel in the second direction, wherein the plurality of second pads are connected to the plurality of connector terminals,
• the cable includes
• a plurality of electric wires for differential transmission, and is led out from the housing in a state in which the plurality of electric wires for differential transmission are bundled,
• the plurality of electric wires for differential transmission are respectively connected to the plurality of first pads,
• one or more of the wirings of the relay circuit board, which connect the plurality of first pads and the plurality of second pads, respectively, are provided in a bent state in a meandering manner,
• the second direction is inclined at a predetermined angle with respect to the first direction, the predetermined angle is greater than 0 degree and smaller than 90 degrees,
• the relay circuit board includes a connector portion which is exposed and protrudes from the housing in a lateral direction of the cable led out from the housing,
• the plurality of the connector terminals is disposed on the connector portion,
• the one or more of the wirings include differential transmission line formed by a pair of a first wiring and a second wiring which are adjacent to each other,
• a distance from one of the first pads connected to the first wiring to one of the second pads connected to the first wiring is shorter than a distance from another of the first pads connected to the second wiring to the one of the second pads, in the first direction, and
• the first wiring is more meandering than the second wiring.