CN105514543A - Metal cavity duplexer - Google Patents
Metal cavity duplexer Download PDFInfo
- Publication number
- CN105514543A CN105514543A CN201510991491.5A CN201510991491A CN105514543A CN 105514543 A CN105514543 A CN 105514543A CN 201510991491 A CN201510991491 A CN 201510991491A CN 105514543 A CN105514543 A CN 105514543A
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- China
- Prior art keywords
- rectangular aperture
- cavity
- screwed hole
- aperture cavity
- metal
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/207—Hollow waveguide filters
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Abstract
The invention discloses a metal cavity duplexer. The metal cavity duplexer comprises a metal resonant cavity, a metal plate and a plurality of probes with SMA joints; the metal plate is embedded in the metal resonant cavity; slot lines and connecting holes for connecting the probes are formed in the metal plate; and one end of each probe is provided with the SMA joint, and the other end of the probe passes through a corresponding cavity wall of the metal resonant cavity so as to be inserted in the metal plate. The metal cavity duplexer of the invention has the advantages of small size, simple design, easiness in processing, excellent performance and the like, and can satisfy the requirements of a modern communication system.
Description
Technical field
The present invention relates to the technical field of duplexer, refer in particular to a kind of wire chamber duplexer.
Background technology
Microwave diplexer is the requisite device of radio-frequency front-end in Modern Communication System, and it plays signal and is separated input and output effects, allows the useful signal of two different frequent points is zero-decrement as far as possible to be passed through, and the decay large as far as possible to useless signal suppresses it to pass through.Along with the development of wireless communication technology, the frequency band between signal is more and more narrow, and this just has higher requirement to the specification of duplexer and reliability.Rectangular cavities duplexer has that high frequency selectivity, filter with low insertion loss, power capacity are large, steady performance and have very high using value.
Summary of the invention
The object of the invention is to overcome the shortcoming of prior art and deficiency; provide a kind of wire chamber duplexer that can produce single mode or multimode and transmission zero; bandpass filtering can be realized; the advantage such as have that volume is little, simplicity of design, easily processing, performance are good, can be good at the requirement meeting modern communication systems.
For achieving the above object, technical scheme provided by the present invention is: a kind of wire chamber duplexer, include Metal cavity body, metallic plate and multiple probe with sub-miniature A connector, wherein, described metallic plate is embedded in Metal cavity body, and this metallic plate have the line of rabbet joint and connect hole for linking probe, sub-miniature A connector is equipped with in one end of described probe, and its other end is plugged on metallic plate through the respective chamber wall of Metal cavity body.
Described Metal cavity body is rectangular metal resonant cavity, by paired with each other and can be combined together to form and be made up of the first rectangular aperture cavity of convex accommodation space and the second rectangular aperture cavity, two chamber walls of described first rectangular aperture cavity have the screwed hole for fixing sub-miniature A connector, and described screwed hole is close to the input/output port of the first rectangular aperture cavity, the top of the other two chamber walls of described first rectangular aperture cavity has the groove for fixed metal plate, and the screwed hole had on the bottom land of described groove for hold-down screw, described metallic plate is rectangular metal plate, it has the screwed hole for hold-down screw, screwed hole one_to_one corresponding on the groove of the screwed hole on this metallic plate and the first rectangular aperture cavity, described first rectangular aperture cavity has half-round cross hole at its input/output port place, two chamber walls of described second rectangular aperture cavity have the screwed hole for fixing sub-miniature A connector, and described screwed hole is close to the input/output port of the second rectangular aperture cavity, the top of described second rectangular aperture cavity has the screwed hole for hold-down screw, and the screwed hole one_to_one corresponding on the groove of this screwed hole and the first rectangular aperture cavity, described second rectangular aperture cavity has half-round cross hole at its input/output port place, and the half-round cross hole of the half-round cross hole of this second rectangular aperture cavity and the first rectangular aperture cavity can be combined to form as the manhole for holding probe, described first rectangular aperture cavity, the second rectangular aperture cavity, rectangular metal plate adopt screw to be an entirety admittedly.
Described second rectangular aperture cavity is assembled by the two halves of symmetry.
Compared with prior art, tool has the following advantages and beneficial effect in the present invention:
By regulating position, the size of the line of rabbet joint on metallic plate and metallic plate, controlling the single mode of duplexer or the position of multimode and transmission zero, there is the advantages such as volume is little, structure simple, handling ease, performance are good, the requirement of communication system can be met.
Accompanying drawing explanation
Fig. 1 is the stereogram of wire chamber duplexer of the present invention.
Fig. 2 is the end view of wire chamber duplexer of the present invention.
Fig. 3 is the vertical view of wire chamber duplexer of the present invention.
Fig. 4 is one of exploded view of wire chamber duplexer of the present invention.
Fig. 5 is the exploded view two of wire chamber duplexer of the present invention.
Fig. 6 is the schematic graph of wire chamber duplexer of the present invention frequency response.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described.
As shown in Figures 1 to 5, wire chamber duplexer described in the present embodiment, include rectangular metal resonant cavity, rectangular metal plate 2 and three probes 4 with sub-miniature A connector 3, wherein, described rectangular metal plate 2 is embedded in rectangular metal resonant cavity, and this rectangular metal plate 2 have the line of rabbet joint 5 and connect hole 6 for linking probe 4, sub-miniature A connector 3 is equipped with in one end of described probe 4, and its other end is plugged in rectangular metal plate 2 through the respective chamber wall of rectangular metal resonant cavity.The response characteristic of this wire chamber duplexer as shown in Figure 6.
In the present embodiment, described rectangular metal resonant cavity is by paired with each other and can be combined together to form and be made up of the first rectangular aperture cavity 101 of convex accommodation space and the second rectangular aperture cavity 102, two chamber walls of described first rectangular aperture cavity 101 have the screwed hole 101-1 for fixing sub-miniature A connector, and described screwed hole 101-1 is close to the input/output port of the first rectangular aperture cavity 101, the top of the other two chamber walls of described first rectangular aperture cavity 101 has the groove for fixing rectangular metal plate 2, and the screwed hole 101-2 had on the bottom land of described groove for hold-down screw 103, described rectangular metal plate 2 has the screwed hole 7 for hold-down screw 103, screwed hole 101-2 one_to_one corresponding on screwed hole 7 in this rectangular metal plate 2 and the groove of the first rectangular aperture cavity 101, described first rectangular aperture cavity 101 has half-round cross hole 101-3 at its input/output port place, two chamber walls of described second rectangular aperture cavity 102 have the screwed hole 102-1 for fixing sub-miniature A connector, and described screwed hole 102-1 is close to the input/output port of the second rectangular aperture cavity 102, the top of described second rectangular aperture cavity 102 has the screwed hole 102-2 for hold-down screw 103, and the screwed hole 101-2 one_to_one corresponding on the groove of this screwed hole 102-2 and the first rectangular aperture cavity 101, described second rectangular aperture cavity 102 has half-round cross hole at its input/output port place, and the half-round cross hole 101-3 of the half-round cross hole of this second rectangular aperture cavity 102 and the first rectangular aperture cavity 101 can be combined to form as the manhole for holding probe 4, described second rectangular aperture cavity 102 is assembled by the two halves of symmetry, as shown in Figure 4, described first rectangular aperture cavity 101, second rectangular aperture cavity 102, rectangular metal plate 2 adopt screw 103 to be fixed up, and are assembled into an entirety.
The examples of implementation of the above are only the preferred embodiment of the present invention, not limit practical range of the present invention with this, therefore the change that all shapes according to the present invention, principle are done, all should be encompassed in protection scope of the present invention.
Claims (3)
1. a wire chamber duplexer, it is characterized in that: include Metal cavity body, metallic plate and multiple probe with sub-miniature A connector, wherein, described metallic plate is embedded in Metal cavity body, and this metallic plate have the line of rabbet joint and connect hole for linking probe, sub-miniature A connector is equipped with in one end of described probe, and its other end is plugged on metallic plate through the respective chamber wall of Metal cavity body.
2. a kind of wire chamber duplexer according to claim 1, it is characterized in that: described Metal cavity body is rectangular metal resonant cavity, by paired with each other and can be combined together to form and be made up of the first rectangular aperture cavity of convex accommodation space and the second rectangular aperture cavity, two chamber walls of described first rectangular aperture cavity have the screwed hole for fixing sub-miniature A connector, and described screwed hole is close to the input/output port of the first rectangular aperture cavity, the top of the other two chamber walls of described first rectangular aperture cavity has the groove for fixed metal plate, and the screwed hole had on the bottom land of described groove for hold-down screw, described metallic plate is rectangular metal plate, it has the screwed hole for hold-down screw, screwed hole one_to_one corresponding on the groove of the screwed hole on this metallic plate and the first rectangular aperture cavity, described first rectangular aperture cavity has half-round cross hole at its input/output port place, two chamber walls of described second rectangular aperture cavity have the screwed hole for fixing sub-miniature A connector, and described screwed hole is close to the input/output port of the second rectangular aperture cavity, the top of described second rectangular aperture cavity has the screwed hole for hold-down screw, and the screwed hole one_to_one corresponding on the groove of this screwed hole and the first rectangular aperture cavity, described second rectangular aperture cavity has half-round cross hole at its input/output port place, and the half-round cross hole of the half-round cross hole of this second rectangular aperture cavity and the first rectangular aperture cavity can be combined to form as the manhole for holding probe, described first rectangular aperture cavity, the second rectangular aperture cavity, rectangular metal plate adopt screw to be an entirety admittedly.
3. a kind of wire chamber duplexer according to claim 2, is characterized in that: described second rectangular aperture cavity is assembled by the two halves of symmetry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510991491.5A CN105514543B (en) | 2015-12-22 | 2015-12-22 | A kind of wire chamber duplexer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510991491.5A CN105514543B (en) | 2015-12-22 | 2015-12-22 | A kind of wire chamber duplexer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105514543A true CN105514543A (en) | 2016-04-20 |
| CN105514543B CN105514543B (en) | 2018-02-23 |
Family
ID=55722342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510991491.5A Expired - Fee Related CN105514543B (en) | 2015-12-22 | 2015-12-22 | A kind of wire chamber duplexer |
Country Status (1)
| Country | Link |
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| CN (1) | CN105514543B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602189A (en) * | 2017-01-16 | 2017-04-26 | 华南理工大学 | Annular metal resonant cavity waveguide filter |
| CN106684512A (en) * | 2017-01-18 | 2017-05-17 | 华南理工大学 | Duplexing antenna based on metal integrated structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2305762Y (en) * | 1997-07-02 | 1999-01-27 | 中国航天工业总公司第五研究院第五○四研究所 | One cavity three mode double operation device having one or two feedback |
| CN1236196A (en) * | 1998-04-06 | 1999-11-24 | 株式会社村田制作所 | Dielectric filter, T-R shared device and communication machine |
| JP2000261170A (en) * | 1999-03-12 | 2000-09-22 | Alps Electric Co Ltd | Transmission and reception unit |
| CN204333188U (en) * | 2014-12-08 | 2015-05-13 | 成都亚光电子股份有限公司 | A kind of E band duplexer and wireless telecommunications system |
| CN204857911U (en) * | 2015-08-27 | 2015-12-09 | 深圳盛邦传奇科技有限公司 | An acoustic surface wave duplexer |
| CN205335399U (en) * | 2015-12-22 | 2016-06-22 | 华南理工大学 | Wire chamber duplexer |
-
2015
- 2015-12-22 CN CN201510991491.5A patent/CN105514543B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2305762Y (en) * | 1997-07-02 | 1999-01-27 | 中国航天工业总公司第五研究院第五○四研究所 | One cavity three mode double operation device having one or two feedback |
| CN1236196A (en) * | 1998-04-06 | 1999-11-24 | 株式会社村田制作所 | Dielectric filter, T-R shared device and communication machine |
| JP2000261170A (en) * | 1999-03-12 | 2000-09-22 | Alps Electric Co Ltd | Transmission and reception unit |
| CN204333188U (en) * | 2014-12-08 | 2015-05-13 | 成都亚光电子股份有限公司 | A kind of E band duplexer and wireless telecommunications system |
| CN204857911U (en) * | 2015-08-27 | 2015-12-09 | 深圳盛邦传奇科技有限公司 | An acoustic surface wave duplexer |
| CN205335399U (en) * | 2015-12-22 | 2016-06-22 | 华南理工大学 | Wire chamber duplexer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602189A (en) * | 2017-01-16 | 2017-04-26 | 华南理工大学 | Annular metal resonant cavity waveguide filter |
| CN106602189B (en) * | 2017-01-16 | 2020-04-28 | 华南理工大学 | Annular metal resonant cavity waveguide filter |
| CN106684512A (en) * | 2017-01-18 | 2017-05-17 | 华南理工大学 | Duplexing antenna based on metal integrated structure |
| CN106684512B (en) * | 2017-01-18 | 2019-10-18 | 华南理工大学 | A kind of duplexed antenna based on metal-integral structure |
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| Publication number | Publication date |
|---|---|
| CN105514543B (en) | 2018-02-23 |
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