CN112072257A - Waveguide synthesis network with ET structure - Google Patents
Waveguide synthesis network with ET structure Download PDFInfo
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- CN112072257A CN112072257A CN202011012867.0A CN202011012867A CN112072257A CN 112072257 A CN112072257 A CN 112072257A CN 202011012867 A CN202011012867 A CN 202011012867A CN 112072257 A CN112072257 A CN 112072257A
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- Prior art keywords
- waveguide
- branch
- metal probe
- microstrip metal
- waveguides
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/12—Coupling devices having more than two ports
- H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
- H01P5/18—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers
- H01P5/184—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers the guides being strip lines or microstrips
Abstract
The application is applicable to the technical field of communication, and provides a waveguide synthesis network with an ET structure, which comprises a main waveguide, two branch waveguides and four tail end branch waveguides, wherein the two branch waveguides are symmetrically arranged at one end of the main waveguide, and two tail end branch waveguides are arranged at one end, far away from the main waveguide, of each branch waveguide; a first microstrip metal probe is arranged at one end of the main waveguide close to the two branch waveguides, and the other end of the first microstrip metal probe is connected with a load resistor; and a second microstrip metal probe is arranged at one end of each branch waveguide close to the tail end branch waveguide, and the other end of the second microstrip metal probe is connected with the load resistor. According to the waveguide synthesis network with the ET structure, the microstrip metal probe structure is added to the ET branch structure of the main waveguide, the rear part of the probe penetrating into the waveguide is welded with the load resistor, the other end of the load resistor is grounded, and the high isolation degree of the branch waveguide can be realized through the structure.
Description
Technical Field
The application belongs to the technical field of communication, and particularly relates to a waveguide synthesis network with an ET structure.
Background
The waveguide synthesis network of the conventional ET structure cannot adjust the isolation between the two branch waveguides. In high power synthesis applications, poor isolation can cause crosstalk between power modules connecting the branch waveguides, affecting electrical performance indexes.
Disclosure of Invention
In view of this, embodiments of the present application provide a waveguide combining network with an ET structure, so as to solve the problem that it is difficult to effectively isolate each branch waveguide in the waveguide combining network with the ET structure.
The embodiment of the application provides a waveguide synthesis network with an ET structure, which comprises: the waveguide comprises a main waveguide, two branch waveguides and four tail end branch waveguides, wherein the two branch waveguides are L-shaped, the two branch waveguides are symmetrically arranged at one end of the main waveguide, and one end of each branch waveguide, which is far away from the main waveguide, is provided with two tail end branch waveguides; and a first microstrip metal probe is arranged at one end of the main waveguide close to the two branch waveguides, one end of the first microstrip metal probe extends into the main waveguide, and the other end of the first microstrip metal probe is connected with a load resistor.
And a second microstrip metal probe is arranged at one end of each branch waveguide close to the tail end branch waveguide, one end of the second microstrip metal probe extends into the branch waveguide, and the other end of the second microstrip metal probe is connected with a load resistor.
In some embodiments of the present application, an end of the load resistor, which is not connected to the first microstrip metal probe or the second microstrip metal probe, is grounded.
In some embodiments of the present application, the first microstrip metal probe is mounted at the junction of the main waveguide and the two-way branching waveguide by means of an inverted "T" shaped printed board; and erecting the second microstrip metal probe at the joint of each branch waveguide and the corresponding tail end branch waveguide through the inverted T-shaped printing plate.
In some embodiments of the present application, a junction of the two branch waveguides is provided with two stages of bosses facing the main waveguide.
In some embodiments of the present application, the first microstrip metal probe is disposed on a central axis of the two-stage boss.
In some embodiments of the present application, a single-stage boss is provided at the junction of the two final-stage branch waveguides connected toward the branch waveguide.
In some embodiments of the present application, the second microstrip metal probe is disposed on a central axis of the single stage boss.
In some embodiments of the present application, the four-way end branch waveguides are all half-height waveguides.
In some embodiments of the present application, a waveguide-microstrip transition structure is disposed on each of the final-stage branch waveguides.
According to the waveguide synthesis network with the ET structure, the microstrip metal probe structure is added to the ET branch structure of the main waveguide, the rear part of the probe penetrating into the waveguide is welded with the load resistor, the other end of the load resistor is grounded, and the high isolation degree of the branch waveguide can be realized through the structure.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic top view of a specific example of a waveguide synthesis network of an ET structure provided in an embodiment of the present application.
The device comprises 100 parts of a main waveguide, 200 parts of a branch waveguide, 300 parts of a tail end branch waveguide, 301 parts of a waveguide-microstrip conversion structure, 400 parts of a first microstrip metal probe, 500 parts of a load resistor, 600 parts of a second microstrip metal probe, 700 parts of a printing plate, 800 parts of a two-stage boss and 900 parts of a single-stage boss.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
In order to explain the technical solution described in the present application, the following description will be given by way of specific examples.
Fig. 1 shows an ET waveguide composite network including a two-stage branching structure. As shown in fig. 1, the waveguide synthesis network of the ET structure includes a main waveguide 100, two-way branch waveguides 200, and four-way end branch waveguides 300. The two branched waveguides 200 are L-shaped, and the two branched waveguides 200 are symmetrically disposed at one end of the main waveguide 100. Two terminal branch waveguides 300 are disposed on each branch waveguide 200 at an end away from the main waveguide 100.
A first microstrip metal probe 400 is disposed at one end of the main waveguide 100 close to the two branch waveguides 200. The first microstrip metal probe 400 may be mounted at the junction of the main waveguide 100 and the two-way branched waveguide 200 using an inverted "T" -shaped printed board 700. One end of the first microstrip metal probe 400 is inserted into the main waveguide 100, and the other end of the first microstrip metal probe 400 is connected to the load resistor 500.
A second microstrip metal probe 600 is disposed on each branch waveguide 200 near one end of the end branch waveguide 300. A second microstrip metal probe 600 may be mounted at the junction of each branch waveguide 200 and its corresponding end branch waveguide 300 by an inverted "T" shaped printed board 700. One end of the second microstrip metal probe 600 is inserted into the branched waveguide 200, and the other end of the second microstrip metal probe 600 is connected to the load resistor 500. One end of the load resistor 500, which is not connected to the first microstrip metal probe 400 or the second microstrip metal probe 600, is grounded.
A two-stage boss 800 facing the main waveguide 100 is disposed at the connection of the two branch waveguides 200, and the first microstrip metal probe 400 may be disposed on the central axis of the two-stage boss 800 and the main waveguide 100.
A single-stage boss 900 facing the branch waveguide 300 is disposed at the junction of the two connected last-stage branch waveguides 300, and the second microstrip metal probe 600 may be disposed on the central axis of the single-stage boss 900 and the corresponding branch waveguide 300.
In order to reduce the size of the waveguide composite network, half-height waveguides can be used for the four-way end branch waveguides 300. In addition, in order to receive a signal to be transmitted into the synthesis network, a waveguide-microstrip transition structure 301 may be provided on each of the final branch waveguides 300.
According to the waveguide synthesis network with the ET structure, the microstrip metal probe structure is added to the ET branch structure of the main waveguide, the rear part of the probe penetrating into the waveguide is welded with the load resistor, the other end of the load resistor is grounded, and the high isolation degree of the branch waveguide can be realized through the structure.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (9)
1. A waveguide synthesis network with an ET structure comprises a main waveguide, two branch waveguides and four tail end branch waveguides, wherein the two branch waveguides are L-shaped, the two branch waveguides are symmetrically arranged at one end of the main waveguide, and two tail end branch waveguides are arranged at one end, far away from the main waveguide, of each branch waveguide; the device is characterized in that a first microstrip metal probe is arranged at one end of the main waveguide close to the two branch waveguides, one end of the first microstrip metal probe extends into the main waveguide, and the other end of the first microstrip metal probe is connected with a load resistor;
and a second microstrip metal probe is arranged at one end of each branch waveguide close to the tail end branch waveguide, one end of the second microstrip metal probe extends into the branch waveguide, and the other end of the second microstrip metal probe is connected with a load resistor.
2. The waveguide synthesis network of an ET structure of claim 1, wherein an end of the load resistor not connected to the first microstrip metal probe or the second microstrip metal probe is grounded.
3. An ET structured waveguide synthesis network according to claim 2, wherein the first microstrip metal probe is mounted at the junction of the main waveguide and the two-way branching waveguide by means of an inverted "T" shaped printing plate; and erecting the second microstrip metal probe at the joint of each branch waveguide and the corresponding tail end branch waveguide through the inverted T-shaped printing plate.
4. An ET structured waveguide synthesis network according to claim 3, wherein the junction of the two branch waveguides is provided with two stages of bosses facing the main waveguide.
5. An ET structured waveguide combining network according to claim 4, wherein the first microstrip metal probe is disposed on a central axis of the two-stage boss.
6. An ET structure waveguide combining network according to claim 3, wherein a single-stage boss is provided toward the branched waveguides at the junction of the two final-stage branched waveguides connected.
7. An ET structured waveguide combining network according to claim 4, wherein the second microstrip metal probe is disposed on a central axis of the single-stage boss.
8. An ET structured waveguide combining network according to claim 1, wherein the four-way end branch waveguides are all half-height waveguides.
9. An ET structure waveguide combining network according to claim 8, wherein each of the final branch waveguides has a waveguide-microstrip transition structure disposed thereon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011012867.0A CN112072257A (en) | 2020-09-23 | 2020-09-23 | Waveguide synthesis network with ET structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011012867.0A CN112072257A (en) | 2020-09-23 | 2020-09-23 | Waveguide synthesis network with ET structure |
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| CN112072257A true CN112072257A (en) | 2020-12-11 |
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| CN202011012867.0A Pending CN112072257A (en) | 2020-09-23 | 2020-09-23 | Waveguide synthesis network with ET structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112909472A (en) * | 2021-01-14 | 2021-06-04 | 电子科技大学 | TE based on rectangular waveguide20Mode power divider |
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2020
- 2020-09-23 CN CN202011012867.0A patent/CN112072257A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112909472A (en) * | 2021-01-14 | 2021-06-04 | 电子科技大学 | TE based on rectangular waveguide20Mode power divider |
| CN112909472B (en) * | 2021-01-14 | 2021-10-15 | 电子科技大学 | TE based on rectangular waveguide20Mode power divider |
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