Radial power combiner/divider using dielectrically loaded waveguides
View Patent ↗A power combiner/power divider has a disk shaped housing cavity and a housing of electrically conductive material, such as metal. A junction pin is positioned centrally in the power combiner/divider. Additional ports are positioned radially along the periphery of the disk shaped portion. Tapered waveguides may extend from the radially positioned ports to the centrally positioned junction pin. A hollow radial cavity provided in the cavity holds a dielectric insert that may have tapering extensions radiating from a central ring. The ring surrounds the centrally positioned port.
1. A radial power combiner, comprising
an electrically conductive housing having a disk shaped cavity;
a plurality of input ports for receiving inputs, wherein the input ports are positioned radially around the disk shaped cavity and have electrical connections to the housing;
a junction rod centrally positioned at the disk shaped cavity for combining the inputs received by the input ports;
an output port having electrical communication with the junction rod;
wherein the housing provides tapered waveguides extending from the input ports to the junction rod;
wherein the a disk shaped cavity comprises a dielectric material positioned concentrically around the output port;
wherein the dielectric material has extenders extending radially outward from a central position, and
wherein the extenders are stepped radially.
2. A radial power combiner, comprising
an electrically conductive housing having a disk shaped cavity;
a plurality of input ports for receiving inputs, wherein the input ports are positioned radially around the disk shaped cavity and have electrical connections to the housing;
a junction rod centrally positioned at the disk shaped cavity for combining the inputs received by the input ports;
an output port having electrical communication with the junction rod;
wherein the housing provides tapered waveguides extending from the input ports to the junction rod;
wherein the a disk shaped cavity comprises a first dielectric material positioned concentrically around the output port;
wherein the first dielectric material has extenders extending radially outward from a central position, and
wherein multiple dielectric materials are positioned in the radial cavity.
3. A radial power combiner, comprising
an electrically conductive housing having a disk shaped cavity;
a plurality of input ports for receiving inputs, wherein the input ports are positioned radially around the disk shaped cavity and have electrical connections to the housing;
a junction rod centrally positioned at the disk shaped cavity for combining the inputs received by the input ports;
an output port having electrical communication with the junction rod;
wherein the housing provides tapered waveguides extending from the input ports to the junction rod;
wherein the a disk shaped cavity comprises a dielectric material positioned concentrically around the output port;
wherein the dielectric material has extenders extending radially outward from a central position, and
wherein the dielectric material occupies substantially all of a height of the radial cavity where present in the radially cavity.
4. The radial power combiner of claim 3 wherein the extenders are tapered radially.
5. The radial power combiner of claim 3 wherein the dielectric material is plastic.
6. The radial power combiner of claim 3 wherein the housing is made of metal.
7. The radial power combiner of claim 3 wherein the junction rod comprises cylindrical sections of various diameters.
8. The radial power combiner of claim 3 further comprising one or more impedance transformers radially positioned between the dielectric material and the junction rod.
9. A radial power combiner, comprising
an electrically conductive housing having a disk shaped cavity;
a plurality of input ports for receiving inputs, wherein the input ports are positioned radially around the disk shaped cavity and have electrical connections to the housing;
a junction rod centrally positioned at the disk shaped cavity for combining the inputs received by the input ports;
an output port having electrical communication with the junction rod;
wherein the housing provides tapered waveguides extending from the input ports to the junction rod;
wherein the a disk shaped cavity comprises a dielectric material positioned concentrically around the output port;
wherein the dielectric material has extenders extending radially outward from a central position, and
wherein there is a structure to prevent the dielectric insert from sliding.
10. The radial power combiner of claim 9 wherein the structure is a recess.
11. The radial power combiner of claim 3 wherein the input ports are coaxial input ports.
12. The radial power combiner of claim 3 wherein the input ports are waveguide input ports.
13. The radial combiner of claim 3 wherein the output port is coaxial output port.
14. The radial power combiner of claim 3 wherein the output port is a waveguide output port.
15. A radial power divider, comprising
an electrically conductive housing having a disk shaped cavity;
an input port for receiving an input;
a junction pin centrally positioned in the disk shaped cavity for distributing the input to the output ports and being electrically connected to the housing;
output ports for outputting outputs, wherein the output ports are positioned radially around the disk shaped cavity and have electrical connections to the housing;
wherein the housing includes tapered waveguides extending from the junction pin to the output ports; and
dielectric material positioned concentrically around the junction pin, the dielectric material has tapered extensions extending radially outward from a central position and occupies substantially all of a height of the radial cavity where present in the radial cavity.