CN208507910U - A kind of nonstandard waveguide magic T power divider/synthesizer - Google Patents
A kind of nonstandard waveguide magic T power divider/synthesizer Download PDFInfo
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- CN208507910U CN208507910U CN201821272162.0U CN201821272162U CN208507910U CN 208507910 U CN208507910 U CN 208507910U CN 201821272162 U CN201821272162 U CN 201821272162U CN 208507910 U CN208507910 U CN 208507910U
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Abstract
The utility model discloses a kind of nonstandard waveguide magic T power divider/synthesizers, belong to microwave and millimeter wave passive device field.It includes E arm, H arm, two side arms, and the impedance matching structure in waveguide cavity；Impedance matching structure includes the step structure immediately below E arm and two cuboid metal blocks positioned at E arm end；Two cuboid metal blocks are located at two narrow sides of E arm.The utility model has the characteristics that isolation is good, work belt is wide, Insertion Loss is small, small in size, structure is simple, the power combiner particularly suitable for satellite communication microwave channel transmitter apparatus.
Description
Technical field
The utility model relates to a kind of nonstandard waveguide magic T power divider/synthesizers, it belongs to microwave and millimeter wave passive device
Power divider/synthesizer in field, the power for being particularly suitable for application as satellite communication microwave channel plant capacity amplifier close
It grows up to be a useful person.
Background technique
To the higher communications band development such as Ka, message capacity is increasing, thus required micro- for satellite communication
The power of wave millimeter wave radio equipment is increasing, but in the defeated of the single solid-state power amplifier chip of microwave and millimeter wave frequency range
Power limited out, thus the mode of power combing is all made of in the high band solid-state power amplifier of satellite communication.Currently, at this
A little frequency ranges are space power synthesis in waveguide using most power synthetic techniques, and space power synthesis can be effectively in waveguide
Power combining efficiency when solving the heat dissipation of each power single-chip and can improve multichannel synthesis, is more suitably applied in these frequency ranges
Generate biggish complete machine power output.Therefore the power divider/synthesizer that amplitude-phase consistency is good, isolation is high, small in size
Just at one of the bottleneck for developing high-power output microwave and millimeter wave power amplifier.
Utility model content
The technical problem to be solved by the present invention is to provide the nonstandard waveguide magic T power of a kind of microwave and millimeter wave frequency range point
With/synthesizer, have the characteristics that small in size, light-weight, combined coefficient is high, bandwidth.
In order to solve the above technical problems, technical solution adopted in the utility model is:
A kind of nonstandard waveguide magic T power divider/synthesizer, including E arm, H arm, two side arms, and be located in waveguide cavity
Impedance matching structure；The E arm, H arm and two side arms are to subtract high nonstandard rectangular waveguide, the impedance matching structure packet
Include the step structure being located at immediately below E arm and two cuboid metal blocks positioned at E arm end；The step structure includes setting
In the first cylinder on waveguide cavity bottom surface and the second cylinder with the first cylindrical-concentric on the first cylinder is stood on, the first cylinder
Radius be greater than the radius of the second cylinder, the second cylinder is inserted into the waveguide cavity of E arm；Two cuboid metal blocks are located at
At two narrow sides of E arm, the bottom surface of the cuboid metal block and the distal end faces of E arm waveguide cavity maintain an equal level, the cuboid gold
The both ends for belonging to block extend to two broadsides of E arm respectively.
Optionally, the value range of the ratio of width to height of the E arm, H arm and two side arms is 3~5:1.
Optionally, the step structure is fixed in the waveguide cavity by a connector；The connector and the first circle
Column is contour, and the extending direction of connector is parallel with the opening direction of H arm, and the cross section of connector is rectangle, one end of connector
It is connect with the first cylinder, the side wall connection of the other end and waveguide cavity.
Generated beneficial effect is the utility model in terms of existing technologies by adopting the above technical scheme:
Four waveguide mouths of the nonstandard waveguide magic T power divider/synthesizer of the utility model are all to subtract high nonstandard waveguide,
Under the precondition for meeting power divider/synthesizer basic performance, waveguide magic T power distribution/synthesis is reduced to the full extent
The volume and weight of device.
Especially in the binary tree multichannel power combing that the cascade of 3dB waveguide bridge is realized, which can be significantly
Reduce the volume of waveguide power synthesis network.
In short, the utility model compared with the existing technology for, have it is small in size, light-weight, combined coefficient is high, bandwidth
The advantages of, it is a kind of important improvement to the prior art.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the schematic diagram of Fig. 1 middle impedance mating structure；
Fig. 3 is the surface structure schematic diagram of the utility model；
Fig. 4 is the simulation result diagram of the nonstandard waveguide magic T port standing wave of Ka frequency range；
Fig. 5 is the S parameter simulation result diagram of the nonstandard waveguide mouth 1,2,3 of the nonstandard waveguide magic T of Ka frequency range；
Fig. 6 is the nonstandard waveguide magic T interport isolation simulation result diagram of Ka frequency range.
Specific embodiment
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
A kind of nonstandard waveguide magic T power divider/synthesizer, including E arm, H arm, two side arms, and be located in waveguide cavity
Impedance matching structure；The E arm, H arm and two side arms are to subtract high nonstandard rectangular waveguide, the impedance matching structure packet
Include the step structure being located at immediately below E arm and two cuboid metal blocks positioned at E arm end；The step structure includes setting
In the first cylinder on waveguide cavity bottom surface and the second cylinder with the first cylindrical-concentric on the first cylinder is stood on, the first cylinder
Radius be greater than the radius of the second cylinder, the second cylinder is inserted into the waveguide cavity of E arm；Two cuboid metal blocks are located at
At two narrow sides of E arm, the bottom surface of the cuboid metal block and the distal end faces of E arm waveguide cavity maintain an equal level, the cuboid gold
The both ends for belonging to block extend to two broadsides of E arm respectively.
Optionally, the value range of the ratio of width to height of the E arm, H arm and two side arms is 3~5:1.
Optionally, the step structure is fixed in the waveguide cavity by a connector；The connector and the first circle
Column is contour, and the extending direction of connector is parallel with the opening direction of H arm, and the cross section of connector is rectangle, one end of connector
It is connect with the first cylinder, the side wall connection of the other end and waveguide cavity.
Specifically, as illustrated in fig. 1 and 2, a kind of nonstandard waveguide magic T power divider/synthesizer comprising interconnected
Four nonstandard waveguide mouths 1, nonstandard waveguide mouth 2, nonstandard waveguide mouth 3, nonstandard waveguide mouth 4.
Single nonstandard waveguide magic T is specifically processed there are many implementation methods, and the simple processing implementation method of one kind is nonstandard
The inner wall upper edge of slab guide determined by waveguide mouth 2, nonstandard waveguide mouth 3 and nonstandard waveguide mouth 4 is divided into two up and down
Wire chamber, i.e., wire chamber 11 under wire chamber 10 and nonstandard waveguide magic T on nonstandard waveguide magic T, as shown in Figure 3.
In the case, cuboid metal block 5 and cuboid metal block 6 can be arranged in nonstandard by mach mode
On waveguide magic T on wire chamber 10, circle metal column 7, circle metal column 8, cuboid metal block 9 can be arranged by mach mode
Under nonstandard waveguide magic T on wire chamber 11；Wire chamber 11 can lead under wire chamber 10 and nonstandard waveguide magic T on nonstandard waveguide magic T
The modes such as screw or welding are crossed to be fixed together.
The nonstandard waveguide mouth 1 of the nonstandard waveguide magic T power divider/synthesizer is used as input terminal, and nonstandard waveguide mouth 4 is as negative
When carrying end, output signal constant amplitude, the reverse phase of nonstandard waveguide mouth 2,3；Nonstandard waveguide mouth 4 is used as input terminal, nonstandard 1 conduct of waveguide mouth
When load end, output constant amplitude, the same phase of nonstandard waveguide mouth 2,3.4 ports of 4 port network can match simultaneously, nonstandard wave
The isolation between mouth 2,3 is led better than 20dB.Nonstandard waveguide magic T passes through two rectangular metal block 5,6 and E arms pair at E arm T junction
Double ladder metal columns 7,8 in face are matched, and will be matched to realize convenient for the processing of nonstandard waveguide magic T using rectangular metal block 9
Big metal column 8 is connect with waveguide arm.The utility model is with isolation is good, work belt is wide, Insertion Loss is small, small in size, structure is simple
Single feature, the power combiner particularly suitable for satellite communication microwave channel transmitter apparatus.
The brief working principle and performance of the utility model are as follows:
As shown in figures 4-6, when input signal is motivated from nonstandard waveguide mouth 1, nonstandard waveguide mouth 2 and nonstandard waveguide mouth 3 have
The signal output of width, reverse phase, nonstandard waveguide mouth 4 are load port, and the port standing wave of nonstandard waveguide mouth 2 and nonstandard waveguide mouth 3 is excellent
In -20dB, and the isolation between two ports is better than 20dB；When input signal is motivated from nonstandard waveguide mouth 4, nonstandard waveguide mouth
2 and nonstandard waveguide 3 have constant amplitude, with phase signal export, nonstandard waveguide mouth 1 be load port, nonstandard waveguide mouth 2 and nonstandard waveguide
The port standing wave of mouth 3 is better than -20dB, and the isolation between two ports is better than 20dB.
In short, the utility model compared with the existing technology for, have it is small in size, light-weight, combined coefficient is high, bandwidth
The advantages of, it is a kind of important improvement to the prior art.
It is to be appreciated that be intended merely to facilitate this field common for the above-mentioned narration for this patent specific embodiment
Technical staff understands this patent scheme and the exemplary description enumerated, does not imply that the protection scope of this patent is limited solely to
In this few example, those of ordinary skill in the art completely can the art of this patent scheme is made fully understand under the premise of,
In the form of not paying any creative work, by taking combination technique feature, replacement to each example cited by this patent
More technical characteristics etc. mode is added in some technical characteristics, obtains more specific embodiments, all these specific implementations
Mode is within the covering scope of patent claims book, and therefore, these new specific embodiments also should be in this patent
Protection scope within.
Claims (3)
1. a kind of nonstandard waveguide magic T power divider/synthesizer, including E arm, H arm, two side arms, and in waveguide cavity
Impedance matching structure；It is characterized in that, the E arm, H arm and two side arms are to subtract high nonstandard rectangular waveguide, the impedance
Mating structure includes the step structure immediately below E arm and two cuboid metal blocks positioned at E arm end；The step
Structure includes the first cylinder on the waveguide cavity bottom surface and stands on the second circle with the first cylindrical-concentric on the first cylinder
Column, the radius of the first cylinder are greater than the radius of the second cylinder, and the second cylinder is inserted into the waveguide cavity of E arm；Two cuboid gold
Belonging to block to be located at two narrow sides of E arm, the bottom surface of the cuboid metal block and the distal end faces of E arm waveguide cavity maintain an equal level,
The both ends of the cuboid metal block extend to two broadsides of E arm respectively.
2. a kind of nonstandard waveguide magic T power divider/synthesizer according to claim 1, which is characterized in that the E arm, H
The value range of the ratio of width to height of arm and two side arms is 3~5:1.
3. a kind of nonstandard waveguide magic T power divider/synthesizer according to claim 1, which is characterized in that the Step-edge Junction
Structure is fixed in the waveguide cavity by a connector；The connector and the first cylinder are contour, the extending direction and H of connector
The opening direction of arm is parallel, and the cross section of connector is rectangle, and one end of connector is connect with the first cylinder, the other end and waveguide
The side wall of chamber connects.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821272162.0U CN208507910U (en) | 2018-08-08 | 2018-08-08 | A kind of nonstandard waveguide magic T power divider/synthesizer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821272162.0U CN208507910U (en) | 2018-08-08 | 2018-08-08 | A kind of nonstandard waveguide magic T power divider/synthesizer |
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| CN208507910U true CN208507910U (en) | 2019-02-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112290181A (en) * | 2020-10-30 | 2021-01-29 | 南京邮电大学 | Millimeter wave waveguide power combiner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112290181A (en) * | 2020-10-30 | 2021-01-29 | 南京邮电大学 | Millimeter wave waveguide power combiner |
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