Waveguide device, microwave outdoor unit, and long-haul microwave transmission device

A waveguide device, comprising:

• a body, comprising a first surface and a second surface that are opposite to each other, wherein a chamber extends from the first surface;
• a cover plate arranged on the first surface and covering the chamber;
• a ridge structure arranged in the chamber;
• a ferrite arranged on the ridge structure;
• a permanent magnet arranged on the second surface;
• and
• a tuning member arranged on the ridge structure and spaced apart from the ferrite, wherein the tuning member comprises a top surface that is farthest away from the second surface, the ridge structure comprises a top surface that is farthest away from the second surface, and the top surface of the tuning member is higher over the second surface than the top surface of the ridge structure.

A device, comprising:

• a microwave radio frequency unit, comprising a lower box body, a box cover, a circuit board, a shielding cover, and a waveguide isolator, wherein the box cover is arranged on the lower box body, the box cover and the lower box body form a container, the circuit board, the shielding cover, and the waveguide isolator are arranged in the container, the shielding cover and the waveguide isolator are successively arranged on the circuit board, a duplexer is connected to the box cover, the waveguide isolator is integrated onto the shielding cover, and the waveguide isolator is connected to the box cover;
• a microwave branching unit, arranged on the microwave radio frequency unit, wherein the microwave branching unit is connected to the waveguide isolator through the box cover;
• and
• a waveguide device comprising:
• a body, comprising a first surface and a second surface that are opposite to each other, wherein a chamber extends from the first surface;
• a cover plate arranged on the first surface and covering the chamber;
• a ridge structure arranged in the chamber;
• a ferrite arranged on the ridge structure;
• a permanent magnet arranged on the second surface;
• and
• a tuning member arranged on the ridge structure and spaced apart from the ferrite,
• wherein the tuning member comprises a top surface that is farthest away from the second surface, the ridge structure comprises a top surface that is farthest away from the second surface, and the top surface of the tuning member is higher over the second surface than the top surface of the ridge structure.

A device, comprising:

• a microwave radio frequency unit;
• and
• a microwave branching unit, arranged on the microwave radio frequency unit, wherein the microwave branching unit comprises a waveguide circulator,
• wherein the waveguide circulator comprises a waveguide device, and a chamber in a body of the waveguide device comprises a plurality of channels, ends of the plurality of channels are in communication with each other, each of the channels is provided with one port, and each port extends through the body;
• wherein the waveguide device comprises:
• the body, comprising a first surface and a second surface that are opposite to each other, wherein the chamber extends from the first surface;
• a cover plate arranged on the first surface and covering the chamber;
• a ridge structure arranged in the chamber;
• a ferrite arranged on the ridge structure;
• a permanent magnet arranged on the second surface;
• and
• a tuning member arranged on the ridge structure and spaced apart from the ferrite,
• wherein the tuning member comprises a top surface that is farthest away from the second surface, the ridge structure comprises a top surface that is farthest away from the second surface, and the top surface of the tuning member is higher over the second surface than the top surface of the ridge structure.