Signal speed increase in a connector wipe
A printed circuit board includes a dielectric and a connector. The dielectric has a first dielectric constant. A first area within the dielectric has a second dielectric constant. The connector is mounted on the dielectric. The connector includes a first connector lead mounted on the dielectric, a first contact point above the dielectric, and a first connector wipe. The first connector wipe is disposed above the first area.
1 . A printed circuit board comprising:
a dielectric having a first dielectric constant;
a first area within the dielectric having a second dielectric constant; and
a connector mounted on the dielectric, the connector including a first connector lead mounted on the dielectric, a first contact point above the dielectric, and a first connector wipe, the first connector wipe disposed above the first area, wherein a first portion of a signal transmitted along the connector lead is provided to a contact in physical communication with the first contact point and a second portion of the signal is provided along the first connector wipe, wherein a first signal propagation velocity for the first portion of the signal along the contact is slower than a second signal propagation velocity for the second portion of the signal along the first connector wipe.
2 . The printed circuit board of claim 1 , wherein air is located within the first area.
3 . The printed circuit board of claim 1 , wherein a material different from the dielectric is located within the first area.
4 . The printed circuit board of claim 1 , wherein the second dielectric constant is lower than the first dielectric constant.
5 . The printed circuit board of claim 1 , wherein the first contact point is located between the first connector lead and the first connector wipe.
6 . An information handling system comprising:
a cable connector having an extension portion and a contact portion; and
a printed circuit board including:
a dielectric having a first dielectric constant;
a first area within the dielectric having a second dielectric constant; and
a connector mounted on the dielectric, the connector including a first connector lead mounted on the dielectric, a first contact point above the dielectric, and a first connector wipe, the first connector wipe disposed above the first area, wherein a first portion of a signal transmitted along the connector lead is provided to a contact in physical communication with the first contact point and a second portion of the signal is provided along the first connector wipe, and wherein a first signal propagation velocity for the first portion of the signal along the contact is slower than a second signal propagation velocity for the second portion of the signal along the first connector wipe.
7 . The information handling system of claim 6 , wherein the first connector wipe is a stub extending beyond the first contact point.
8 . The information handling system of claim 6 , wherein air is located within the first area.
9 . The information handling system of claim 6 , wherein a material different from the dielectric is located within the first area.
10 . The information handling system of claim 6 , wherein the first contact point is located between the first connector lead and the first connector wipe.
11 . The information handling system of claim 6 , wherein the second dielectric constant is lower than the first dielectric constant.
12 . A printed circuit board comprising:
a dielectric having a first dielectric constant;
an area within the dielectric having a second dielectric constant; and
a connector mounted on the dielectric, the connector including a first connector lead mounted on the dielectric, a first contact point above the dielectric, and a first connector wipe, the first connector wipe disposed above the area, wherein the second dielectric constant is lower than the first dielectric constant, wherein a first portion of a signal transmitted along the connector lead is provided to a contact in physical communication with the first contact point and a second portion of the signal is provided along the first connector wipe, wherein a first signal propagation velocity for the first portion of the signal along the contact is slower than a second signal propagation velocity for the second portion of the signal along the first connector wipe.
13 . The printed circuit board of claim 12 , wherein air is located within the area.
14 . The printed circuit board of claim 12 , wherein a material different from the dielectric is located within the area.