CN219498151U

CN219498151U - 5X10Butler matrix

Info

Publication number: CN219498151U
Application number: CN202320477942.3U
Authority: CN
Inventors: 吕士禄; 杨卓; 岳彩龙; 梁兆标
Original assignee: Tongyu Communication Inc
Current assignee: Tongyu Communication Inc
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-08-08
Anticipated expiration: 2033-03-13

Abstract

The utility model discloses a 5 multiplied by 10Butler matrix, which comprises a first 3 multiplied by 5Butler matrix, a second 3 multiplied by 5Butler matrix, a first Lange coupler, a second Lange coupler and a first power divider; the first Lange coupler and the second Lange coupler have 2 input ends and 2 output ends, and the first power divider has 1 input end and 2 output ends; the 5 outputs of the first 3x5Butler matrix and the 5 outputs of the second 3x5Butler matrix form 10 outputs of the 5x10Butler matrix; the first input end and the second input end of the first Lange coupler, the first input end and the second input end of the second Lange coupler and the input end of the first power divider form 5 input ports of a 5 multiplied by 10Butler matrix; the frequency band of the matrix board can be 1427-2690MHz through the structure, 5 input ports have good standing waves and isolation, 10 output ports have stable power ratio and phase difference, and the matrix board has very good practicability.

Description

5X10Butler matrix

Technical Field

The utility model relates to the technical field of microwave passive devices, in particular to a 5 multiplied by 10Butler matrix.

Background

The existing similar matrix board mainly has two implementation modes, one implementation mode is a microstrip line, a scheme of cascading branch line couplers is adopted, and the main disadvantage of the scheme is that a single-section branch line coupler can only achieve 20% of bandwidth, if more than 50% of bandwidth is to be achieved, a mode of cascading a plurality of sections of branch line couplers is needed, but with the increase of branch lines, the impedance of part of branch lines is extremely large, the width of the corresponding microstrip line is extremely thin, and the actual machining precision is difficult to ensure. In addition, the multi-section branch line coupler cascade can greatly increase the area of the matrix board, and brings great inconvenience to the overall layout of the antenna.

The implementation mode of the multi-layer board design mainly comprises a strip line, a multi-layer coplanar waveguide and a medium integrated suspension line, the scheme of the multi-layer board design is adopted, a plurality of cross junctions can be avoided, compared with the single-layer board design, the multi-layer board design is easy to realize wide frequency and smaller in size, but is limited by the implementation mode of the strip line, the defects of high production cost, difficulty in mass production and difficulty in cascade welding with a common feed network exist, the problem that the whole machine is easy to generate intermodulation hidden trouble and difficult to maintain is caused, and therefore, a novel Butler matrix is needed to solve the problems.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a 5×10Butler matrix.

The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: a 5x10Butler matrix comprising a first 3x5Butler matrix, a second 3x5Butler matrix, a first Lange coupler, a second Lange coupler and a first power divider;

the first Lange coupler and the second Lange coupler have 2 input ends and 2 output ends, and the first power divider has 1 input end and 2 output ends;

the 5 outputs of the first 3x5Butler matrix and the 5 outputs of the second 3x5Butler matrix form 10 outputs of the 5x10Butler matrix;

the first input end and the second input end of the first Lange coupler, the first input end and the second input end of the second Lange coupler and the input end of the first power divider form 5 input ports of a 5 multiplied by 10Butler matrix;

the first output end of the first Lange coupler is connected with the first input end of the first 3X5Butler matrix through a microstrip line with a plurality of short circuit branches, and the second output end of the first Lange coupler is connected with the first input end of the second 3X5Butler matrix through the microstrip line; the first output end of the second Lange coupler is provided with a plurality of microstrip lines with short circuit branches and is connected with the second input end of the first 3X5Butler matrix, and the second output end of the second Lange coupler is connected with the second input end of the second 3X5Butler matrix through the microstrip lines; the first output end of the first power divider is connected with the third input end of the first 3×5Butler matrix through a microstrip line, and the second output end of the first power divider is connected with the third input end of the second 3×5Butler matrix through a microstrip line.

Further, the first input end and the first output end of the first Lange coupler and the second Lange coupler are distributed on the same side, and the second input end and the second output end are distributed on the same side.

Further, the first Lange coupler and the second Lange coupler are 3dB couplers, and when any one of the input ends of the first Lange coupler and the second Lange coupler is fed, the transmission phase of the output end on the opposite side is delayed by 90 ° from the transmission phase of the output end on the same side.

Further, the first 3×5Butler matrix includes a first 3×3Butler matrix, a second power divider, and a third power divider;

the first 3x3Butler matrix has 3 inputs and 3 outputs, and the second and third power splitters each have 1 input and 2 outputs;

the 3 input ends of the first 3×3Butler matrix are respectively connected with the first output end of the first Lange coupler, the first output end of the second Lange coupler and the first output end of the first power divider through microstrip lines, the first output end of the first 3×3Butler matrix is connected with the input end of the second power divider through microstrip lines, the second output end of the first 3×3Butler matrix is connected with the input end of the third power divider through microstrip lines, and the third output end of the first 3×3Butler matrix, the first output end of the second power divider, the second output end of the second power divider, the first output end of the third power divider and the second output end of the third power divider form 5 output ports of the 5×10Butler matrix.

The first 3x3Butler matrix includes a third Lange coupler, a fourth Lange coupler, and a fifth Lange coupler each having 2 inputs and 2 outputs;

the first input end and the second input end of the third Lange coupler are respectively connected with the second output end of the first Lange coupler and the second output end of the second Lange coupler through microstrip lines, the second input end of the fourth Lange coupler is connected to the second output end of the first power divider through microstrip lines, the first input end of the fourth Lange coupler is connected to the second output end of the third Lange coupler, the first output end of the third Lange coupler is connected to the first input end of the fifth Lange coupler through microstrip lines, the second input end of the fifth Lange coupler is connected to the first output end of the fourth Lange coupler, the second output end of the fourth Lange coupler is connected to the input end of the fifth power divider through microstrip lines, the second output end of the fifth Lange coupler is connected to the input end of the fourth power divider through microstrip lines, and the first output end of the fifth Lange coupler is provided with a plurality of microstrip lines which are in a plurality of short-circuited 1X 10 pieces of output matrix with one or more branches as ports of the microstrip lines

Further, the power ratio of the first power divider is 1:1, and the power ratio of the second power divider and the third power divider is 1:2.

Further, the first input end and the first output end of the third Lange coupler, the fourth Lange coupler and the fifth Lange coupler are distributed on the same side, and the second input end and the second output end are distributed on the same side.

Further, the third Lange coupler and the fifth Lange coupler are 3dB couplers, the fourth Lange coupler is a 4.8dB coupler, and when any one of the input ends of the third Lange coupler, the fourth Lange coupler and the fifth Lange coupler is fed, the transmission phase of the output end on the opposite side is delayed by 90 ° from the transmission phase of the output end on the same side.

Further, the second 3×5Butler matrix includes a second 3×3Butler matrix, a fourth power divider, and a fifth power divider;

the second 3x3Butler matrix has 3 inputs and 3 outputs, and the fourth and fifth power splitters each have 1 input and 2 outputs;

the 3 input ends of the second 3×3Butler matrix are respectively connected with the second output end of the first Lange coupler, the second output end of the second Lange coupler and the second output end of the first power divider through microstrip lines, the first output end of the second 3×3Butler matrix is connected with the input end of the fourth power divider through microstrip lines, the second output end is connected with the input end of the fifth power divider through microstrip lines, and the third output end of the second 3×3Butler matrix, the first output end of the fourth power divider, the second output end of the fourth power divider, the first output end of the fifth power divider and the second output end of the fifth power divider form other 5 output ports of the 5×10Butler matrix.

Further, the second 3×3Butler matrix includes a sixth Lange coupler, a seventh Lange coupler, and an eighth Lange coupler each having 2 inputs and 2 outputs;

the first input end and the second input end of the sixth Lange coupler are respectively connected with the second output end of the first Lange coupler and the second output end of the second Lange coupler through microstrip lines, the second input end of the seventh Lange coupler is connected to the second output end of the first power divider through microstrip lines, the first input end of the seventh Lange coupler is connected to the second output end of the sixth Lange coupler, the first output end of the sixth Lange coupler is connected to the first input end of the eighth Lange coupler through microstrip lines, the second input end of the eighth Lange coupler is connected to the first output end of the seventh Lange coupler, the second output end of the seventh Lange coupler is connected to the input end of the fifth power divider through microstrip lines, the second output end of the eighth Lange coupler is connected to the input end of the fourth power divider through microstrip lines, and the first output end of the eighth Lange coupler is provided with a plurality of branches and a plurality of microstrip lines which are used as microstrip line-to be short-circuited output ports of the microstrip matrix 1X 10 pieces.

The utility model has the beneficial effects that: a 5x10Butler matrix comprising a first 3x5Butler matrix, a second 3x5Butler matrix, a first Lange coupler, a second Lange coupler and a first power divider; the first Lange coupler and the second Lange coupler have 2 input ends and 2 output ends, and the first power divider has 1 input end and 2 output ends; the 5 outputs of the first 3x5Butler matrix and the 5 outputs of the second 3x5Butler matrix form 10 outputs of the 5x10Butler matrix; the first input end and the second input end of the first Lange coupler, the first input end and the second input end of the second Lange coupler and the input end of the first power divider form 5 input ports of a 5 multiplied by 10Butler matrix; the first output end of the first Lange coupler is connected with the first input end of the first 3X5Butler matrix through a microstrip line with a plurality of short circuit branches, and the second output end of the first Lange coupler is connected with the first input end of the second 3X5Butler matrix through the microstrip line; the first output end of the second Lange coupler is provided with a plurality of microstrip lines with short circuit branches and is connected with the second input end of the first 3X5Butler matrix, and the second output end of the second Lange coupler is connected with the second input end of the second 3X5Butler matrix through the microstrip lines; the first output end of the first power divider is connected with the third input end of the first 3X5Butler matrix through a microstrip line, and the second output end of the first power divider is connected with the third input end of the second 3X5Butler matrix through a microstrip line; the frequency band of the matrix board can be 1427-2690MHz through the structure, 5 input ports have good standing waves and isolation, 10 output ports have stable power ratio and phase difference, and the matrix board has very good practicability.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a matrix board of a 5×10Butler matrix;

FIG. 2 is a topology of a 5×10Butler matrix;

FIG. 3 is a simplified topology of a 5×10Butler matrix;

fig. 4 is a matrix board of a 3x3Butler matrix.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, plural means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and the above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless clearly defined otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may be connected directly or indirectly through an intermediary; the connecting device can be fixedly connected, detachably connected and integrally formed; may be a mechanical connection; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the utility model can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.

Referring to fig. 1 to 4, a 5×10Butler matrix includes a first 3×5Butler matrix 11, a second 3×5Butler matrix 12, a first Lange coupler 21, a second Lange coupler 22, and a first power divider 31;

the first Lange coupler 21 and the second Lange coupler 22 have 2 inputs and 2 outputs, and the first power divider 31 has 1 input and 2 outputs;

the 5 outputs of the first 3x5Butler matrix 11 and the 5 outputs of the second 3x5Butler matrix 12 constitute 10 outputs of the 5x10Butler matrix;

the first input and the second input of the first Lange coupler 21, the first input and the second input of the second Lange coupler 22 and the input of the first power divider 31 form 5 input ports of a 5x10Butler matrix;

the first output end of the first Lange coupler 21 is connected with the first input end of the first 3×5Butler matrix 11 through a microstrip line 50 with a plurality of short-circuit branches 40, and the second output end of the first Lange coupler 21 is connected with the first input end of the second 3×5Butler matrix 12 through the microstrip line 50; the first output end of the second Lange coupler 22 is provided with a microstrip line 50 with a plurality of short-circuit branches 40, which is connected with the second input end of the first 3×5Butler matrix 11, and the second output end of the second Lange coupler 22 is connected with the second input end of the second 3×5Butler matrix 12 through the microstrip line 50; the first output of the first power divider 31 is connected to the third input of the first 3x5Butler matrix 11 via a microstrip line 50, and the second output of the first power divider 31 is connected to the third input of the second 3x5Butler matrix 12 via a microstrip line 50.

1. Referring to fig. 2, the topology structure of the 5×10Butler matrix of the present utility model is that the 5×10Butler matrix has three 5 input ports and 10 output ports, and is composed of 8 Lange couplers, 5 power splitters, short-circuit branches and microstrip lines; the 5 multiplied by 10Butler matrix of the utility model uses four-stage lange coupler cascade connection from the input end to the output end, and the two lange couplers of each stage have the same power; wherein the front two-stage Lange coupler is 3dB coupling quantity (i.e. the power ratio of through and coupling is 1:1), and the rear two-stage Lange coupler is a Lange coupler with 4.8dB coupling quantity (i.e. the power ratio of through and coupling is 2:1) and a Lange coupler with 3dB coupling quantity respectively;

2. according to the utility model, the traditional branch line coupling is replaced by the 5-wire short-circuit coupling line, so that the phase difference between the through port and the coupling port can be kept at 90 degrees in a wider frequency band, and the coupling degree of the directional coupler can be controlled by adjusting the gap of the short-circuit coupling line, so that different power distribution is realized;

3. referring to fig. 4, the present utility model is mainly used for a 5-beam base station antenna, and needs to improve the conventional butler matrix to generate an odd number of beams, specifically, by expanding the power dividers with the power ratio of 1:2 for the output ports 2 and 3 of the 3x3butler matrix network, 1 x5butler matrix network can be constructed; the 3x3butler matrix web correlation is as follows:

(1) if in1 is the input port, then the amplitude phase is 1/2 (90 °) at node 1a and 1/2 (0 °) at node 1 b; the amplitude phase at the node 2a is 1/2 (90 °), the amplitude phase at the node 2b is 1/6 (90 °), and the amplitude phase at the node 2c is 1/3 (0 °); the amplitude phase at the node 3a is 1/3 (150 °), the amplitude phase at the node 3b is 1/3 (120 °), and the amplitude phase at the node 3c is 1/3 (0 °); the amplitude phase of the output ports out1, out2 and out3 is 1/3 (240 degrees), 1/3 (120 degrees), 1/3 (0 degrees) in sequence;

(2) if in2 is the input port, then the amplitude phase is 1/2 (0 °) at node 1a and 1/2 (90 °) at node 1 b; the amplitude phase at the node 2a is 1/2 (0 °), the amplitude phase at the node 2b is 1/6 (180 °), and the amplitude phase at the node 2c is 1/3 (90 °); the amplitude phase at the node 3a is 1/3 (120 degrees), the amplitude phase at the node 3b is 1/3 (-30 degrees), and the amplitude phase at the node 3c is 1/3 (90 degrees); the amplitude phase of the output ports out1, out2 and out3 is 1/3 (-150 degrees), 1/3 (-30 degrees) and 1/3 (90 degrees) in sequence.

(3) If in3 is the input port, then the amplitude phase is 2/3 (0 °) at node 2b and 1/3 (90 °); the amplitude phase at the node 3a is 1/3 (0 °), the amplitude phase at the node 3b is 1/3 (90 °), and the amplitude phase at the node 3c is 1/3 (90 °); the amplitude phase of the output ports out1, out2 and out3 is 1/3 (90 degrees), 1/3 (90 degrees) and 1/3 (90 degrees) in sequence.

4. After expanding the 3x3butler matrix network to a 3x5butler matrix network:

(1) if in1 is used as an input port, the amplitude phase of the 5 output ports is sequentially 1/3 (240 degrees), 1/9 (120 degrees), 2/9 (120 degrees), 1/9 (0 degrees), 2/9 (120 degrees);

(2) if in2 is used as the input port, the amplitude phase of the 5 output ports is sequentially 1/3 (-150 degrees), 1/9 (-30 degrees), 2/9 (-30 degrees), 1/9 (90 degrees), and 2/9 (90 degrees);

(3) if in3 is used as the input port, the amplitude phase of the 5 output ports is 1/3 (90 °), 1/9 (90 °), 2/9 (90 °), 1/9 (90 °), 2/9 (90 °).

5. FIG. 3 shows a simplified topology of a 5x10butler matrix network, and it can be seen that the utility model comprises 2 parallel 3x5 sub-matrix networks, and a large network with 10 output ports and 5 input ports is formed by cascading two 3x5 sub-matrix networks with two 3dB directional couplers and 1 3dB equal power divider; assuming that the amplitude phase of the node a is the same as that of the node d, the output phases of the OPs 1 to OP10 are 120 °, 0 °, 240 °, 120 °, 0 °, and 0 °;

(1) when IP1 is excited, the phase of the node a is 90 degrees, the phase of the node d is minus 30 degrees, the phase of the node d is 120 degrees smaller than the phase of the node a, and the output phases of the OP1-OP10 are 0 degrees, 120 degrees, minus 120 degrees, 0 degrees, 120 degrees, 240 degrees and 0 degrees; OP1-OP10 are incremented at 120 ° constant phase with the corresponding horizontal beam pointing at +40°;

(2) when IP2 is excited, the phase of the point a is 0 DEG, the phase of the point d is 60 DEG more than the phase of the point a, the phases of the corresponding OP1-OP10 are 180 DEG, 120 DEG, 60 DEG, 0 DEG, 300 DEG, 240 DEG, 180 DEG, 120 DEG, 60 DEG and 0 DEG, the phases of the corresponding OP1-OP10 are reduced by 60 DEG constant phases, the corresponding horizontal beam directions are-20 DEG, and the output phases of the OP1-OP10 are-30 DEG, 90 DEG, -150 DEG, -30 DEG, 90 DEG and 90 DEG assuming that the amplitude phases of the node b and the node d are the same;

(3) when IP3 is excited, the phase at node b is 90 °, the phase at node e is-150 °, the phase at node b is 120 ° smaller than node a, where the phases of OP1-OP10 are-30 °, -150 °, 90 °, -30 °, -150 °, 90 ° and-30 °, OP1-OP10 are decreasing with a constant phase of 120 °, the corresponding horizontal plane beam pointing at-40 °;

(4) when IP4 is excited, the phase at node b is 0 °, the phase at node e is-60 °, the phase at node b is 60 ° more than the phase at node e, the phases corresponding to OP1-OP10 are-30 °, 90 °, 150 °, -90 °, -30 °, 90 ° and 150 °, the output phases of OP1-OP10 are incremented by 60 ° constant phases, the corresponding horizontal plane beam is directed to +20;

(5) when IP5 is excited, the amplitude and the phase of the node c and the node f are the same, the output phases of the OP1-OP10 are 90 degrees, the phase difference is 0, and the beams in the normal direction of the horizontal plane are corresponding.

6. The amplitude derivation of the 5x10Butler matrix network is relatively simple and will not be described in detail here, in practical application, the input port of the matrix board is connected to the output port of the phase shifter, and the output port is connected to the 10-unit subarray in the horizontal direction, so as to achieve good shaping in the horizontal direction (the 5-beam base station antenna generally requires that the first side lobe of the horizontal plane does not exceed-10 dB), and triangular weighting is performed on the 10 output ports of the 5x10Butler matrix network.

7. The utility model has the advantages that: the stable 120-degree phase difference in the three-beam antenna matrix can be realized through cascading of Lange couplers, and the stable phase difference with the equilong microstrip line can be realized through short circuit branches or open circuit branches by utilizing different power superposition, so that the stable phase difference is generated at the output end of the Lange coupler; the frequency band of the matrix board is 1427-2690MHz, 5 input ports have good standing waves and isolation, 10 output ports have stable power ratio and phase difference, and the matrix board has very good practicability.

The first input terminal and the first output terminal of the first Lange coupler 21 and the second Lange coupler 22 are distributed on the same side, and the second input terminal and the second output terminal are distributed on the same side.

The first Lange coupler 21 and the second Lange coupler 22 are 3dB couplers, and when any one of the input terminals of the first Lange coupler 21 and the second Lange coupler 22 is fed, the transmission phase of the output terminal on the opposite side thereof is delayed by 90 ° from the transmission phase of the output terminal on the same side.

The first 3x5Butler matrix 11 comprises a first 3x3Butler matrix 61, a second power divider 32 and a third power divider 33;

the first 3x3Butler matrix 61 has 3 inputs and 3 outputs, the second power divider 32 and the third power divider 33 each have 1 input and 2 outputs;

the 3 input ends of the first 3×3Butler matrix 61 are respectively connected to the first output end of the first Lange coupler 21, the first output end of the second Lange coupler 22, and the first output end of the first power divider 31 through microstrip lines 50, the first output end of the first 3×3Butler matrix 61 is connected to the input end of the second power divider 32 through microstrip lines 50, the second output end is connected to the input end of the third power divider 33 through microstrip lines 50, and the third output end of the first 3×3Butler matrix 61, the first output end of the second power divider 32, the second output end of the second power divider 32, the first output end of the third power divider 33, and the second output end of the third power divider 33 constitute 5 output ports of the 5×10Butler matrix.

The first 3x3Butler matrix 61 comprises a third Lange coupler 23, a fourth Lange coupler 24 and a fifth Lange coupler 25, each having 2 inputs and 2 outputs;

the first input end and the second input end of the third Lange coupler 23 are respectively connected with the second output end of the first Lange coupler 21 and the second output end of the second Lange coupler 22 through microstrip lines 50, the second input end of the fourth Lange coupler 24 is connected to the second output end of the first power divider 31 through microstrip lines 50, the first input end of the fourth Lange coupler 24 is connected to the second output end of the third Lange coupler 23 through microstrip lines 50, the first output end of the third Lange coupler 23 is connected to the first input end of the fifth Lange coupler 25 through microstrip lines 50, the second input end of the fifth Lange coupler 25 is connected to the first output end of the fourth Lange coupler 24 through microstrip lines 50 and then to the input end of the fifth power divider 35, the second output end of the fifth Lange coupler 25 is connected to the second output end of the fourth Lange coupler 34 through microstrip lines 50 and then to the fifth Lange coupler 25 through microstrip lines 50 and then to the first output end of the fifth Lange coupler 5 as a plurality of microstrip lines 10 to the first microstrip lines 5, and several pieces of the first Lange coupler 5 are connected to the first microstrip lines 10 and the first and the second Lange coupler 22 as a short-circuit line

The power ratio of the first power divider 31 is 1:1, and the power ratios of the second power divider 32 and the third power divider 33 are 1:2.

The first input and the first output of the third Lange coupler 23, the fourth Lange coupler 24 and the fifth Lange coupler 25 are distributed on the same side, and the second input and the second output are distributed on the same side.

The third Lange coupler 23 and the fifth Lange coupler 25 are 3dB couplers, the fourth Lange coupler 24 is a 4.8dB coupler, and when any one of the input ends of the third Lange coupler 23, the fourth Lange coupler 24 and the fifth Lange coupler 25 is fed, the transmission phase of the output end on the opposite side is delayed by 90 ° from the transmission phase of the output end on the same side.

The second 3x5Butler matrix 12 comprises a second 3x3Butler matrix 62, a fourth power divider 34 and a fifth power divider 35;

the second 3x3Butler matrix 62 has 3 inputs and 3 outputs, and the fourth power divider 34 and the fifth power divider 35 each have 1 input and 2 outputs;

the 3 input ends of the second 3×3Butler matrix 62 are respectively connected to the second output end of the first Lange coupler 21, the second output end of the second Lange coupler 22, and the second output end of the first power divider 31 through microstrip lines 50, the first output end of the second 3×3Butler matrix 62 is connected to the input end of the fourth power divider 34 through microstrip lines 50, the second output end is connected to the input end of the fifth power divider 35 through microstrip lines 50, and the third output end of the second 3×3Butler matrix 62, the first output end of the fourth power divider 34, the second output end of the fourth power divider 34, the first output end of the fifth power divider 35, and the second output end of the fifth power divider 35 constitute another 5 output ports of the 5×10Butler matrix.

The second 3x3Butler matrix 62 includes a sixth Lange coupler 26, a seventh Lange coupler 27, and an eighth Lange coupler 28, each having 2 inputs and 2 outputs;

the first input end and the second input end of the sixth Lange coupler 26 are respectively connected with the second output end of the first Lange coupler 21 and the second output end of the second Lange coupler 22 through microstrip lines 50, the second input end of the seventh Lange coupler 27 is connected to the second output end of the first power divider 31 through microstrip lines 50, the first input end of the seventh Lange coupler 27 is connected to the second output end of the sixth Lange coupler 26 through microstrip lines 50, the first output end of the sixth Lange coupler 26 is connected to the first input end of the eighth Lange coupler 28 through microstrip lines 50, the second input end of the eighth Lange coupler 28 is connected to the first output end of the seventh Lange coupler 27 through microstrip lines 50, the second output end of the seventh Lange coupler 27 is connected to the input end of the fifth power divider 35 through microstrip lines 50, the second output end of the eighth Lange coupler 28 is connected to the second output end of the fourth Lange coupler 34 through microstrip lines 50, and the second output end of the eighth Lange coupler 28 is connected to the first output end of the eighth Lange coupler 10 through microstrip lines 40 as a plurality of microstrip lines 10×5 of the microstrip lines 1.

Of course, the present utility model is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present utility model, and these equivalent modifications and substitutions are included in the scope of the present utility model as defined in the appended claims.

Claims

1. A 5x10Butler matrix, characterized by: comprises a first 3X5Butler matrix (11), a second 3X5Butler matrix (12), a first Lange coupler (21), a second Lange coupler (22) and a first power divider (31);

the first Lange coupler (21) and the second Lange coupler (22) have 2 input ends and 2 output ends, and the first power divider (31) has 1 input end and 2 output ends;

the 5 output ends of the first 3×5Butler matrix (11) and the 5 output ends of the second 3×5Butler matrix (12) form 10 output ports of the 5×10Butler matrix;

the first input end and the second input end of the first Lange coupler (21), the first input end and the second input end of the second Lange coupler (22) and the input end of the first power divider (31) form 5 input ports of the 5×10Butler matrix;

the first output end of the first Lange coupler (21) is connected with the first input end of the first 3X5Butler matrix (11) through a microstrip line (50) with a plurality of short-circuit branches (40), and the second output end of the first Lange coupler (21) is connected with the first input end of the second 3X5Butler matrix (12) through the microstrip line (50); a first output end of the second Lange coupler (22) is provided with a microstrip line (50) with a plurality of short-circuit branches (40) and is connected with a second input end of the first 3X5Butler matrix (11), and a second output end of the second Lange coupler (22) is connected with a second input end of the second 3X5Butler matrix (12) through the microstrip line (50); the first output end of the first power divider (31) is connected with the third input end of the first 3×5Butler matrix (11) through a microstrip line (50), and the second output end of the first power divider (31) is connected with the third input end of the second 3×5Butler matrix (12) through the microstrip line (50).

2. A 5x10Butler matrix as claimed in claim 1 wherein: the first input end and the first output end of the first Lange coupler (21) and the second Lange coupler (22) are distributed on the same side, and the second input end and the second output end are distributed on the same side.

3. A 5x10Butler matrix as claimed in claim 2 wherein: the first Lange coupler (21) and the second Lange coupler (22) are 3dB couplers, and when any one of the input ends of the first Lange coupler (21) and the second Lange coupler (22) is fed, the transmission phase of the output end on the opposite side is delayed by 90 degrees from the transmission phase of the output end on the same side.

4. A 5x10Butler matrix as claimed in claim 1 wherein: the first 3x5Butler matrix (11) comprises a first 3x3Butler matrix (61), a second power divider (32) and a third power divider (33);

the first 3x3Butler matrix (61) has 3 inputs and 3 outputs, the second power divider (32) and the third power divider (33) each have 1 input and 2 outputs;

the 3 input ends of the first 3×3Butler matrix (61) are respectively connected with the first output end of the first Lange coupler (21), the first output end of the second Lange coupler (22) and the first output end of the first power divider (31) through microstrip lines (50), the first output end of the first 3×3Butler matrix (61) is connected with the input end of the second power divider (32) through microstrip lines (50), the second output end is connected with the input end of the third power divider (33) through microstrip lines (50), and the third output end of the first 3×3Butler matrix (61), the first output end of the second power divider (32), the second output end of the second power divider (32), the first output end of the third power divider (33) and the second output end of the third power divider (33) form 5×10Butler matrix, wherein the output ports of the first 3×3Butler matrix (61) are formed.

5. A 5x10Butler matrix according to claim 4 wherein: the first 3x3Butler matrix (61) comprises a third Lange coupler (23), a fourth Lange coupler (24) and a fifth Lange coupler (25) each having 2 inputs and 2 outputs;

the first input end and the second input end of the third Lange coupler (23) are respectively connected with the second output end of the first Lange coupler (21) and the second output end of the second Lange coupler (22) through microstrip lines (50), the second input end of the fourth Lange coupler (24) is connected to the second output end of the first power divider (31) through microstrip lines (50), the first input end of the fourth Lange coupler (24) is connected to the second output end of the third Lange coupler (23), the first output end of the third Lange coupler (23) is connected to the first input end of the fifth Lange coupler (25) through microstrip lines (50), the second input end of the fifth Lange coupler (25) is connected to the first output end of the fourth Lange coupler (24) through microstrip lines (50), the second output end of the fourth Lange coupler (24) is connected to the first output end of the fifth Lange coupler (50) through microstrip lines (35), and the first output end of the fifth Lange coupler (25) is connected to the first output end of the fifth Lange coupler (50) through microstrip lines (50), and the first output end of the fifth Lange coupler (25) is connected to the first input end of the fifth Lange coupler (50) through microstrip lines (50).

6. A 5x10Butler matrix according to claim 4 wherein: the power ratio of the first power divider (31) is 1:1, and the power ratio of the second power divider (32) to the third power divider (33) is 1:2.

7. A 5x10Butler matrix according to claim 5 wherein: the first input end and the first output end of the third Lange coupler (23), the fourth Lange coupler (24) and the fifth Lange coupler (25) are distributed on the same side, and the second input end and the second output end are distributed on the same side.

8. A 5x10Butler matrix as claimed in claim 7 wherein: the third Lange coupler (23) and the fifth Lange coupler (25) are 3dB couplers, the fourth Lange coupler (24) is a 4.8dB coupler, and when any one of the input ends of the third Lange coupler (23), the fourth Lange coupler (24) and the fifth Lange coupler (25) is fed, the transmission phase of the output end at the different side is delayed by 90 degrees than the transmission phase of the output end at the same side.

9. A 5x10Butler matrix as claimed in claim 1 wherein: the second 3x5Butler matrix (12) comprises a second 3x3Butler matrix (62), a fourth power divider (34) and a fifth power divider (35);

the second 3x3Butler matrix (62) has 3 inputs and 3 outputs, the fourth power divider (34) and the fifth power divider (35) each have 1 input and 2 outputs;

the 3 input ends of the second 3×3Butler matrix (62) are respectively connected with the second output end of the first Lange coupler (21), the second output end of the second Lange coupler (22) and the second output end of the first power divider (31) through microstrip lines (50), the first output end of the second 3×3Butler matrix (62) is connected with the input end of the fourth power divider (34) through microstrip lines (50), the second output end is connected with the input end of the fifth power divider (35) through microstrip lines (50), and the third output end of the second 3×3Butler matrix (62), the first output end of the fourth power divider (34), the second output end of the fourth power divider (34), the first output end of the fifth power divider (35) and the second output end of the fifth power divider (35) form another 5×10Butler matrix output ports.

10. A 5x10Butler matrix as claimed in claim 9 wherein: the second 3x3Butler matrix (62) includes a sixth Lange coupler (26), a seventh Lange coupler (27), and an eighth Lange coupler (28) each having 2 inputs and 2 outputs;

the first input end and the second input end of the sixth Lange coupler (26) are respectively connected with the second output end of the first Lange coupler (21) and the second output end of the second Lange coupler (22) through microstrip lines (50), the second input end of the seventh Lange coupler (27) is connected to the second output end of the first power divider (31) through microstrip lines (50), the first input end of the seventh Lange coupler (27) is connected to the second output end of the sixth Lange coupler (26), the first output end of the sixth Lange coupler (26) is connected to the first input end of the eighth Lange coupler (28) through microstrip lines (50), the second input end of the eighth Lange coupler (28) is connected to the first output end of the seventh Lange coupler (27) through microstrip lines (50), the second output end of the seventh Lange coupler (27) is connected to the first output end of the microstrip line (50) through a plurality of the microstrip lines (35), and the first output end of the eighth Lange coupler (28) is connected to the first output end of the microstrip line (50) through microstrip lines (50).