Abstract:
Circuit arrangement for vehicles with at least one semiconductor element 30 and at least one first metal carrier plate 2a and a metal circuit board 2b. A multifaceted scope of application is provided if the carrier plate 2a is electrically insulated from the circuit board 2b and the carrier plate 2a is electrically linked with at least one of the circuit boards 2b by means of at least one semiconductor device 30 so that the carrier plate 2a and the circuit board 2b form an electrical three-pole.
Abstract:
In a high frequency signal line, a first signal line extends along a first dielectric element assembly, a first reference ground conductor extends along the first signal line, a second signal line is provided in or on the second dielectric element assembly and extends along the second dielectric element assembly, a second reference ground conductor is provided in or on the second dielectric element assembly and extends along the second signal line. A portion of a bottom surface at an end of the first dielectric element assembly and a portion of the top surface at an end of the second dielectric element assembly are joined together such that a joint portion of the first and second dielectric element assemblies includes a corner. The second signal line and the first signal line are electrically coupled together. The first and second reference ground conductors are electrically coupled together.
Abstract:
An electrical connector that includes a circuit board having a board substrate that has opposite board surfaces and a thickness measured along an orientation axis that extends between the opposite board surfaces. The circuit board has associated pairs of input and output terminals and signal traces that electrically connect the associated pairs of input and output terminals. The input and output terminals being configured to communicatively coupled to mating and cable conductors, respectively. Each associated pair of input and output terminals is electrically connected through a corresponding signal trace that has a conductive path extending along the board substrate between the corresponding input and output terminals. At least two signal traces form a broadside-coupling region in which the conductive paths of the at least two signal traces are stacked along the orientation axis and spaced apart through the thickness and extend parallel to each other for a crosstalk-reducing distance.
Abstract:
A printed circuit board includes a plurality of layers including attachment layers and routing layers; and via patterns formed in the plurality of layers, each of the via patterns including first and second signal vias forming a differential signal pair, the first and second signal vias extending through at least the attachment layers; ground vias extending through at least the attachment layers, the ground vias including ground conductors; and shadow vias located adjacent to each of the first and second signal vias, wherein the shadow vias are free of conductive material in the attachment layers. The printed circuit board may further include slot vias extending through the attachment layers and located between via patterns.
Abstract:
A circuit may be configured to reduce electrical signal degradation. The circuit may include a first trace and a second trace that may be broadside coupled between a first ground plane and a second ground plane. The first and second traces may be configured to carry first and second signals, respectively, of a differential signal. The circuit may also include a first dielectric material disposed between the first trace and the second trace. Further, the circuit may include a second dielectric material disposed between the first trace and the first ground plane and disposed between the second trace and the second ground plane. A difference between a first dielectric constant of the first dielectric material and a second dielectric constant of the second dielectric material may suppress a mode conversion of the differential signal from a differential mode to a common mode.
Abstract:
In a high frequency signal line, a first signal line extends along a first dielectric element assembly, a first reference ground conductor extends along the first signal line, a second signal line is provided in or on the second dielectric element assembly and extends along the second dielectric element assembly, a second reference ground conductor is provided in or on the second dielectric element assembly and extends along the second signal line. A portion of a bottom surface at an end of the first dielectric element assembly and a portion of the top surface at an end of the second dielectric element assembly are joined together such that a joint portion of the first and second dielectric element assemblies includes a corner. The second signal line and the first signal line are electrically coupled together. The first and second reference ground conductors are electrically coupled together.
Abstract in simplified Chinese:[课题]本发明系提供使导通孔的阻抗上升的多层印刷配线板。 [构造]多层印刷配线板(P)系具备接地层(L1)及导通孔(V1)。接地层(L1)系包含配线层(L11)及第1阻抗调整层(L12)。配线层(L11)系导电线(L114)配置于设置在实心导体(L111)的开口(L112)及通路(L113)内的构造。调整层(L12)系开口(L122)设置于实心导体(L121)的构造。导通孔(V1)系以位于开口(L112)及开口(L122)内之方式设置于接地层(L1)及绝缘层(L2),且连接于导电线(L114)。距离(R1)>距离(R2)。距离(R1)系从开口(L112)的外形线(α1)到导通孔(V1)为止之Y-Y’方向的距离。距离(R2)系从开口(L122)的外形线(α2)到导通孔(V1)为止之Y-Y’方向的距离。
Abstract in simplified Chinese:一种印刷电路板组装物包括一基板。基板包括一第一绝缘盖层、一第二绝缘盖层以及复数导电层。导电层夹于第一绝缘盖层以及第二绝缘盖层之间,其中基板具有为一第一部份、一第二部份以及一第三部份,第二部份在长度方向上夹在第一部份以及第三部份中间,其中对应第二部份并且垂直于长度方向之每一导电层的边侧,距离对应第二部份并且垂直于长度方向之第一绝缘盖层以及第二绝缘盖层之边侧至少一第一既定距离,以防止水汽进入导电层。