Circuit member with enhanced performance
An electrical connector includes a dielectric housing with a plurality of filtering modules therein. Each filtering module has a housing and a magnetics assembly including transformer cores with wires wrapped therearound. An array of pins extend from the module housing for connection to the wires. A plurality of tails extend from the module housing for interconnection to a circuit board upon which the connector may be mounted. An interconnection is provided between the pins and tails that may include filtering or other signal modifying circuitry. A circuit member having an enhanced layout is also provided for use in or upon which the connector may be mounted.
1. A multi-layer circuit member comprising:
a conductive reference plane;
a linear array of reference through holes interconnected to the reference plane; and
first and second arrays of through holes positioned on opposite sides of the linear array, each of the first and second arrays of through holes including first and second rows of through holes, the first and second rows being offset in a direction so that each of the rows is generally parallel to the linear array of reference through holes, wherein the through holes of each of the first and second arrays are arranged in a series of first, second, third and fourth triangular arrays of through holes, the triangular arrays being arranged in an alternating manner with the second and fourth triangular arrays being inverted relative to the first and third triangular arrays.
2. The multi-layer circuit member of claim 1 , wherein the first and second arrays of through holes are mirror-images of each other.
3. The multi-layer circuit member of claim 1 , wherein each triangular array includes a differential pair of signal conductors and a centertap conductor.
4. The multi-layer circuit member of claim 1 , wherein the triangular arrays of through holes include a base defined by first and second through holes and a peak defined by a third through hole, the peak of each triangular array having generally identical electrical functionality.
5. The multi-layer circuit member of claim 4 , wherein the first and second arrays of through holes are mirror-images of each other.
6. The multi-layer circuit member of claim 4 , wherein a first distance from the peak of the first and third triangular arrays to the linear array of reference through holes is less than a second distance from the base of the first and third triangular arrays to the linear array of reference through holes and a third distance from the peak of the second and fourth triangular arrays to the linear array of reference through holes is greater than a fourth distance from the base of the second and fourth triangular arrays to the linear array of reference through holes.
7. A multi-layer circuit member comprising:
a conductive reference plane;
a linear array of reference through holes interconnected to the reference plane;
first and second arrays of through holes positioned on opposite sides of the linear array, each of the first and second arrays of through holes including first and second rows of through holes, the first and second rows being offset from each other in a direction so that each of the rows is generally parallel to the linear array of reference through holes; and
first and second additional linear arrays of through holes, the first array of through holes being positioned between the first additional linear array and the linear array of reference through holes and the second array of through holes being positioned between the second additional linear array and the linear array of reference through holes.
8. The multi-layer circuit member of claim 7 , further including circuitry to electrically connect each of the through holes of the first additional linear array to one of the through holes of the first array of through holes and electrically connect each of the through holes of the second additional linear array to one of the through holes of the second array of through holes.
9. A filtering module, comprising:
the multi-layer circuit board that includes a conductive reference plane, a linear array of reference through holes interconnected to the reference plane and first and second arrays of through holes positioned on opposite sides of the linear array, each of the first and second arrays of through holes including first and second rows of through holes, the first and second rows being offset in a direction so that each of the rows is generally parallel to the linear array of reference through holes;
a dielectric housing, wherein the multi-layer circuit board is mounted on the housing; and
a magnetics assembly mounted on the housing including a plurality of filtering transformers, each filtering transformer having first and second signal conductors and a centertap conductor, wherein the plurality of filtering transformers includes first, second, third and fourth filtering transformers and wherein the centertap of the first filter transformer is electrically connected to a predetermined through hole in the first row, the centertap of the second filter transformer is being electrically connected to a predetermined through hole in the second row, the centertap of the third filter transformer being electrically connected to a predetermined through hole in the first row and the centertap of the fourth filter transformer being electrically connected to a predetermined through hole in the second row.
10. The filtering module of claim 9 , wherein the plurality of filtering transformers includes first, second, third and fourth filtering transformers.
11. The filtering module of claim 9 , wherein the through holes of each of the first and second arrays are arranged as a plurality of triangular arrays of through holes, the triangular arrays being arranged in an alternating manner such that adjacent arrays are inverted relative to each other.
12. The filtering module of claim 11 , wherein each of the plurality of triangular array is electrically connected to the first and second signal conductors and the centertap of corresponding filtering transformer.
13. A filtering module, comprising:
the multi-layer circuit board that includes a conductive reference plane, a linear array of reference through holes interconnected to the reference plane and first and second arrays of through holes positioned on opposite sides of the linear array, each of the first and second arrays of through holes including first and second rows of through holes, the first and second rows being offset in a direction so that each of the rows is generally parallel to the linear array of reference through holes, wherein the through holes of each of the first and second arrays are arranged in a series of first, second, third and fourth triangular arrays of through holes, the triangular arrays being arranged in an alternating manner with the second and fourth triangular arrays being inverted relative to the first and third triangular arrays; and
a dielectric housing, wherein the multi-layer circuit board is mounted on the housing; and
a magnetics assembly mounted on the housing including a plurality of filtering transformers, each filtering transformer having first and second signal conductors and a centertap conductor.