Low inductance radio head cable
A radio head cable may include an inner conductor and an outer conductor coaxially arranged around the inner conductor. The inner conductor may have a first direct current resistance and a cross-sectional area of at least 5.0 square millimeters. The outer conductor may have a second direct current resistance equal to or less than the first direct current resistance. A first dielectric layer including polyvinylchloride may be positioned between the inner conductor and the outer conductor. A second dielectric layer including polyvinylchloride may be positioned around the outer conductor, and a third dielectric layer including nylon may be positioned around the second dielectric layer.
1. A cable comprising:
an inner conductor having a first direct current resistance and a first cross-sectional area between that of a 4 AWG and a 6 AWG wire, the inner conductor formed from a first plurality of uninsulated conductive elements helically stranded together;
an outer conductor coaxially arranged around the inner conductor, the outer conductor having a second direct current resistance approximately equal to the first direct current resistance such that the inner conductor and the outer conductor comprise a balanced pair of conductors;
a first dielectric layer comprising polyvinylchloride positioned between the inner conductor and the outer conductor;
a second dielectric layer comprising polyvinylchloride positioned around the outer conductor; and
a third dielectric layer comprising nylon positioned around the second dielectric layer,
wherein the outer conductor is formed from a second plurality of uninsulated conductive elements helically stranded around the first dielectric layer, each of the second plurality of conductive elements comprising a second cross-sectional area of at least 0.5 square millimeters.
2. The cable of claim 1 , further comprising:
a fourth dielectric layer comprising nylon positioned between the first dielectric layer and the outer conductor.
3. The cable of claim 1 , further comprising:
an outer jacket formed around the third dielectric layer.
4. The cable of claim 1 , wherein the cable satisfies a THHN/THWN rating as set forth by the sixteenth edition of the UL 83 Standard.
5. The cable of claim 1 , wherein the cable satisfies a THWN-2 rating as set forth by the sixteenth edition of the UL 83 Standard.
6. The cable of claim 1 , wherein the cable has a cross-sectional area less than 120 square millimeters.
7. A cable comprising:
an inner conductor having a first direct current resistance and a first cross-sectional area between that of a 4 AWG and a 6 AWG wire, the inner conductor formed from a first plurality of uninsulated conductive elements helically stranded together;
a first dielectric layer comprising polyvinylchloride formed around the inner conductor;
an outer conductor formed around the first dielectric layer and coaxially arranged with the inner conductor, the outer conductor having a second direct current resistance approximately equal to the first direct current resistance such that the inner conductor and the outer conductor comprise a balanced pair of conductors, wherein the outer conductor is formed from a second plurality of uninsulated conductive elements helically stranded around the first dielectric layer, each of the second plurality of conductive elements comprising a second cross-sectional area of at least 0.5 square millimeters;
a second dielectric layer comprising polyvinylchloride positioned around the outer conductor; and
a third dielectric layer comprising nylon positioned around the second dielectric layer,
wherein the cable has a cross-sectional area less than 120 square millimeters.
8. The cable of claim 7 , further comprising:
a fourth dielectric layer comprising nylon positioned between the first dielectric layer and the outer conductor.
9. The cable of claim 7 , further comprising:
an outer jacket formed around the third dielectric layer.
10. The cable of claim 7 , wherein the cable satisfies a THWN rating as set forth by the sixteenth edition of the UL 83 Standard.
11. The cable of claim 7 , wherein the cable satisfies a THWN- 2 rating as set forth by the sixteenth edition of the UL 83 Standard.
12. A cable comprising:
an inner conductor having a first direct current resistance and a first cross-sectional area between that of a 4 AWG and a 6 AWG wire, the inner conductor formed from a first plurality of uninsulated conductive elements helically stranded together;
a first dielectric layer comprising polyvinylchloride formed around the inner conductor;
a second dielectric layer comprising nylon positioned around the first dielectric layer;
an outer conductor formed around the second dielectric layer and coaxially arranged with the inner conductor, the outer conductor having a second direct current resistance approximately equal to the first direct current resistance such that the inner conductor and the outer conductor comprise a balanced pair of conductors, wherein the outer conductor is formed from a second plurality of uninsulated conductive elements helically stranded around the second dielectric layer, each of the second plurality of conductive elements comprising a second cross-sectional area of at least 0.5 square millimeters;
a third dielectric layer comprising polyvinylchloride positioned around the outer conductor; and
a fourth dielectric layer comprising nylon positioned around the third dielectric layer,
wherein the cable has a cross-sectional area less than 120 square millimeters.