Magic-Y splitter

Patent metadata

Field	Value
Publication number	US-10153536-B2
Application number	US-201615388244-A
Country	US
Kind code	B2
Filing date	Dec 22, 2016
Priority date	Dec 22, 2016
Publication date	Dec 11, 2018
Grant date	Dec 11, 2018

Abstract

In one aspect, a Y-splitter includes a first arm having a first port, a second arm having a second port, a third arm having a third port, a fourth arm having a fourth port and a Y-split portion having a first end coupled to the first arm, a second end coupled to the second arm, a third end coupled to the third arm and a fourth end coupled to the fourth arm. The Y-split portion splits a signal from a first signal path from the first port into a second signal on a second signal path and a third signal on a third signal path. A first angle between the second signal path and the first signal path is greater than 90 degrees and a second angle between the third signal path and the first signal path is greater than 90 degrees.

First claim

What is claimed is:

1. A Y-splitter comprising:
a first arm having a first port;
a second arm having a second port;
a third arm having a third port;
a fourth arm having a fourth port;
a Y-split portion having:
a first end coupled to the first arm;
a second end coupled to the second arm;
a third end coupled to the third arm; and
a fourth end coupled to the fourth arm;

a post having a circular cross-section, said post disposed on a bottom surface of said first arm at a location aligning with a center of the Y-split portion and configured to suppress non-dominant waveguide modes;
wherein the Y-split portion splits a signal from a first signal path from the first port into a second signal on a second signal path and a third signal on a third signal path,
wherein a first angle between the second signal path and the first signal path is greater than 90 degrees, and
wherein a second angle between the third signal path and the first signal path is greater than 90 degrees.

2. The Y-splitter of claim 1 , wherein the fourth port is a waste port,
wherein the Y-splitter is a divider,
wherein the first port is an input port and the second and third ports are output ports.

3. The Y-splitter of claim 1 , wherein the second arm, the third arm and the Y-split portion form a step.

4. The Y-splitter of claim 1 , wherein the Y-splitter is a combiner with the first port is an output port and the second and third ports are input ports.

5. The Y-splitter of claim 1 , wherein the first, second and third signal paths are in a first plane.

6. The Y-splitter of claim 5 , wherein the first plane is an E-plane.

7. The Y-splitter of claim 6 , wherein the fourth arm is in an H-plane.

8. The Y-splitter of claim 1 , wherein the splitter floor step at a bottom of the Y-split portion is raised or lowered.

9. The Y-splitter of claim 1 , further comprising a load disposed on the fourth port.

10. The Y-splitter of claim 1 , wherein the Y-splitter is fabricated in two pieces split along an E-plane.

11. The Y-splitter of claim 1 , wherein the second signal exits the Y-splitter at the second port, and wherein the third signal exits the Y-splitter at the third port.

12. The Y-splitter of claim 1 , wherein the second signal is isolated from the third signal.

13. A Y-splitter comprising:
a first arm having an input port;
a second arm having a first output port;
a third arm having a second output port;
a fourth arm having a waste port;
a Y-split portion having:
a first end coupled to the first arm;
a second end coupled to the second arm, wherein the second arm, the third arm and the Y-split portion form a step;
a third end coupled to the third arm; and
a fourth end coupled to the fourth arm;

a post having a circular cross-section, said post disposed on a bottom surface of said first arm at a location aligning with a center of the Y-split portion and configured to suppress non-dominant waveguide modes,
wherein the Y-split portion splits a signal from a first signal path from the input port into a second signal on a second signal path and a third signal on a third signal path,
wherein a first angle between the second signal path and the first signal path is greater than 90 degrees,
wherein a second angle between the third signal path and the first signal path is greater than 90 degrees,
wherein the first, second and third signal paths are in an E-plane,
wherein the fourth arm is in an H-plane, and
wherein the Y-splitter is fabricated in two pieces split by the E-plane.

14. The Y-splitter of claim 13 , wherein the second signal exits the Y-splitter at the second port, and
wherein the third signal exits the Y-splitter at the third port.

15. The Y-splitter of claim 14 , wherein the second signal is isolated from the third signal.

16. A method comprising:
splitting a first signal into a second signal and a third signal using a Y-splitter, wherein the Y-splitter comprises:
a first arm having an input port;
a second arm having a first output port;
a third arm having a second output port;
a waste arm having a waste port;
a Y-split portion having:
a first end coupled to the first arm;
a second end coupled to the second arm, wherein the second arm, the third arm and the Y-split portion form a step;
a third end coupled to the third arm; and
a fourth end coupled to the fourth arm;

a post having a circular cross-section, said post disposed on a bottom surface of said first arm at a location aligning with a center of the Y-split portion and configured to suppress non-dominant waveguide modes; and

isolating the second signal from the third signal using the Y-splitter.

17. The method of claim 16 , wherein isolating the second signal from the third signal using the Y-splitter further comprises adding a load to the waste port.

Assignees

• Raytheon Co

Inventors

• Gritters Darin M
• Brown Kenneth W
• Crouch David D

Classifications

• H01P5/181 Primary

  the guides being hollow waveguides · CPC title

• H01P5/20

  Magic-T junctions · CPC title

• H01P5/19 Primary

  of the junction type · CPC title