CN205752471U - A kind of waveguide filter and Ka band up-converter - Google Patents
A kind of waveguide filter and Ka band up-converter Download PDFInfo
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- CN205752471U CN205752471U CN201620631522.6U CN201620631522U CN205752471U CN 205752471 U CN205752471 U CN 205752471U CN 201620631522 U CN201620631522 U CN 201620631522U CN 205752471 U CN205752471 U CN 205752471U
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Abstract
This utility model is applicable to Ka band communication field, a kind of waveguide filter and Ka band up-converter are provided, described waveguide filter, including wave-guide cavity wave and the E face metallic membrane being fixed on described wave-guide cavity wave central authorities, the end face of described wave-guide cavity wave has two rectangular waveguide openings, in said two rectangular waveguide opening is generally aligned in the same plane, one of them rectangular waveguide opening is the waveguide receiving port of described waveguide filter, and another rectangular waveguide opening is the waveguide emission port of described waveguide filter.This utility model is generally aligned in the same plane interior rectangular waveguide opening by offering two at the end face of the wave-guide cavity wave of waveguide filter, waveguide receiving port and waveguide emission port respectively as described waveguide filter, enable described waveguide filter to fit with upconverter pcb board simply and easily, reduce assembly difficulty.
Description
Technical field
This utility model belongs to Ka band communication field, particularly relates to a kind of waveguide filter and Ka band up-converter.
Background technology
Ka wave band millimeter wave is more and more extensive in the application of satellite communication field, and Ka band up-converter is received as millimeter wave
The vitals of the machine of sending out, is the Primary Component realizing satellite communication, and the Ka band filter in Ka ripple upconverter is impact
One of important devices of transmitting chain performance.Existing Ka band filter mainly has waveguide filter and flat filter two
Kind, waveguide filter is widely adopted because of features such as the requirement of its processing technique are relatively low, filtering performance is good.
But, the waveguide receiving port of existing waveguide filter and waveguide emission port the most in the same plane, cause ripple
When waveguide filter is applied to Ka band up-converter, it is impossible to directly fit with the pcb board of Ka band up-converter, it is unfavorable for dress
Join.
Utility model content
The purpose of this utility model is to provide a kind of waveguide filter and Ka band up-converter, it is intended to solve existing
The waveguide input port of waveguide filter and output waveguide port the most in the same plane, cause waveguide filter is applied to Ka
During band up-converter, it is impossible to directly fit with the pcb board of Ka band up-converter, the problem being unfavorable for assembling.
This utility model is achieved in that a kind of waveguide filter, including wave-guide cavity wave be fixed on described waveguide cavity
The E face metallic membrane of body central authorities, the end face of described wave-guide cavity wave has two rectangular waveguide openings, and said two rectangular waveguide is opened
In mouth is generally aligned in the same plane, one of them rectangular waveguide opening is the waveguide receiving port of described waveguide filter, another rectangle
Waveguide openings is the waveguide emission port of described waveguide filter.
Preferably, described wave-guide cavity wave includes that upper cavity and the lower chamber of involutory setting, described upper cavity central authorities are bottom surface
Having the rectangular recess of said two rectangular waveguide opening, described lower chamber central authorities are trapezoidal groove or rectangular recess, described E face
Metallic membrane is fixed between described upper cavity and described lower chamber, described upper cavity, described lower chamber and described E face metal film
Sheet is collectively forming the resonator cavity of described waveguide filter.
Preferably, when described lower chamber central authorities are trapezoidal groove, the gradient of described trapezoidal groove is 5 °～85 °.
Preferably, described upper cavity, described lower chamber and described E face metallic membrane are fastened by securing member.
Preferably, described E face metallic membrane is made up of unitary piece of metal diaphragm, and described unitary piece of metal diaphragm passes through pierced process
At least two metal line that formation is arranged in order along its length and width is equal, adjacent wires unequal interval is distributed, institute
State wave-guide cavity wave and form at least three resonant cavity structure by described at least two metal line intervals.
Preferably, the length of described at least two metal line according to the distribution sequence of metal wire with middle m metal line is
Benchmark successively decreases to both sides, and as m ＞ 1, the length of described middle m metal line is equal, and wherein, m is the positive integer more than 0.
Preferably, described E face metallic membrane is monometallic diaphragm, hybrid metal diaphragm or the metal of two-sided covering superconducting film
Diaphragm.
This utility model embodiment also provides for a kind of Ka band up-converter, including upconverter pcb board, also includes as front
Described waveguide filter, said two rectangular waveguide opening fits with described upconverter pcb board.
Compared with prior art, it has the beneficial effects that this utility model:
It is generally aligned in the same plane interior rectangular waveguide opens by offering two at the end face of the wave-guide cavity wave of waveguide filter
Mouthful, respectively as waveguide receiving port and the waveguide emission port of described waveguide filter, enable described waveguide filter the most square
Fitting with upconverter pcb board just, reduces assembly difficulty.
Accompanying drawing explanation
Fig. 1 is the basic perspective view of the waveguide filter that this utility model embodiment one provides
Fig. 2 is the detonation configuration figure of the waveguide filter that this utility model embodiment two provides；
Fig. 3 is upper cavity and the three-dimensional structure diagram of lower chamber of this utility model embodiment two offer；
Fig. 4 is the structural representation of the E face metallic membrane that this utility model embodiment two provides；
Fig. 5 is the structural representation of the E face metallic membrane that this utility model embodiment three provides.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.Should be appreciated that specific embodiment described herein is only in order to explain this
Utility model, is not used to limit this utility model.
Embodiment one
As it is shown in figure 1, the waveguide filter that the present embodiment provides includes wave-guide cavity wave 20 and E face metallic membrane (in Fig. 1 not
Illustrate).
Wave-guide cavity wave 20 end face has two rectangular waveguide openings 24, rectangular waveguide opening 24 and rectangular waveguide opening 24
In same plane, one of them rectangular waveguide opening is the waveguide receiving port of waveguide filter 10, and another rectangular waveguide is opened
Mouth is the waveguide emission port of waveguide filter；E face metallic membrane is fixed on the central authorities of wave-guide cavity wave 20.
The present embodiment, is generally aligned in the same plane interior square by offering two at the end face of the wave-guide cavity wave of waveguide filter
Shape waveguide openings, respectively as waveguide receiving port and the waveguide emission port of described waveguide filter, makes described waveguide filter energy
Enough fit with upconverter pcb board simply and easily, reduce assembly difficulty.
Embodiment two
As in figure 2 it is shown, in the present embodiment, waveguide filter includes the waveguide cavity being made up of upper cavity 21 and lower chamber 23
Body and E face metallic membrane 22；
When assembling, upper cavity 21 and involutory setting of lower chamber 23 constitute wave-guide cavity wave 20；
E face metallic membrane 22 is fixed between upper cavity 21 and lower chamber 23；
Upper cavity 21, E face metallic membrane 22 and lower chamber 23 are fastened by securing member；
In the present embodiment, preferred upper cavity 21, E face metallic membrane 22 and lower chamber 23 are by arranging along respective length direction
Multiple screwed holes 26 and corresponding bolt (not shown) be connected and fixed；
Upper cavity 21, E face metallic membrane 22 and lower chamber 23 are collectively forming the resonator cavity of waveguide filter.
In a particular application, upper cavity 21, E face metallic membrane 22 and lower chamber 23 and can also consolidate by other means
Fixed, the most involutory buckle structure.
As seen in figures 3-5, in the present embodiment, the central authorities of upper cavity 21 are that two ends have rectangular waveguide opening 24
Rectangular recess；
The central authorities of lower chamber 23 are trapezoidal groove or rectangular recess, when described lower chamber central authorities are trapezoidal groove, described
The gradient of trapezoidal groove is 5 °～85 °；
In the present embodiment, preferred lower chamber 23 central authorities are the trapezoidal groove on cavity wall slope 25 for two ends, the slope on cavity wall slope 25
Degree is 45 °.
The present embodiment connects and composes detachable waveguide filter by upper cavity, E face metallic membrane and lower chamber being fixed
Ripple device, makes user can be replaced upper cavity, lower chamber and E face metallic membrane as required, it is simple to guide filter
When the mid frequency of device and the coefficient of coup have difference to require, will have upper and lower cavity and the E of different in width of different cavity size
Face metallic membrane combination is fixed together.
In one embodiment, E face metallic membrane is made up of unitary piece of metal diaphragm, and unitary piece of metal diaphragm passes through pierced process shape
At least two metal line that one-tenth is arranged in order along its length and width is equal, adjacent wires unequal interval is distributed, described
Wave-guide cavity wave forms at least three resonant cavity structure by described at least two metal line intervals.
The length of described at least two metal line according to the distribution sequence of metal wire on the basis of middle m metal line to two
Successively decreasing in side, as m ＞ 1, the length of described middle m metal line is equal, and wherein, m is the positive integer more than 0.
Described E face metallic membrane is monometallic diaphragm, hybrid metal diaphragm or the metallic membrane of two-sided covering superconducting film.
In a particular application, the size of E face metallic membrane and material and above the metal wire that hollow out is formed quantity and
Size all can be arranged as required to；Such as, E face metallic membrane could be arranged to the seven cavity knots formed by six metal line
Structure, five metal line formed six cavity body structures, four metal line formed five cavity body structures, three metal line formed four
Three cavity body structures that cavity body structure or two metal line are formed.
As shown in Figure 4, the E face metallic membrane 22 that the present embodiment provides is made up of unitary piece of metal diaphragm, unitary piece of metal diaphragm
22 are formed by pierced process and to be arranged in order along its length and two metal line 221 that width is equal, adjacent wires 221
Unequal interval is distributed, and wave-guide cavity wave 20 forms three resonant cavity structures 222, along unitary piece of metal film by two metal line intervals
The length direction of sheet 22 is provided with for assembling fixing screwed hole 223.
Embodiment three
As it is shown in figure 5, in the present embodiment, E face metallic membrane 30 is made up of unitary piece of metal diaphragm, unitary piece of metal diaphragm 30
Formed by pierced process and be arranged in order along its length and seven metal line 31 Fig. 3 that width is equal, adjacent wires 31
Unequal interval is distributed, and wave-guide cavity wave forms eight resonant cavity structures 32, along unitary piece of metal diaphragm by seven metal line intervals
The length direction of 30 is provided with for assembling fixing screwed hole 33.
In the present embodiment, the width of seven metal line 31 is 3.550mm, and length is followed successively by according to distribution sequence
0.450mm、2.150mm、2.600mm、2.650mm、2.600mm、2.150mm、0.450mm；E face metallic membrane by thickness is
0.1 ± 0.01mm copper foil material is made.
The present embodiment, by selecting the E face metallic membrane of above-mentioned dimensional structure, can make waveguide filter have wider band
Width, mid frequency is about～1.1GHz in about 29.75GHz, three dB bandwidth；For Ka band up-converter, its frequency range can
Think 29.5GHz～30GHz, carry a width of 0.5GHz；When the processing thickness of E face metallic membrane is in the range of 0.1 ± 0.01mm,
The performance of waveguide filter is almost unchanged, and relative to traditional waveguide filter, the waveguide filter that the present embodiment provides is to E face
The requirement on machining accuracy of metallic membrane is substantially reduced, and while ensureing performance, the production greatly reducing waveguide filter is wanted
Ask.
This utility model also provides for a kind of Ka band up-converter, including upconverter pcb board, also includes foregoing
Waveguide filter, said two rectangular waveguide opening fits with described upconverter pcb board.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Any amendment, equivalent and the improvement etc. made within the spirit of utility model and principle, should be included in this utility model
Protection domain within.
Claims (8)
1. a waveguide filter, including wave-guide cavity wave and the E face metallic membrane being fixed on described wave-guide cavity wave central authorities, its feature
Being, the end face of described wave-guide cavity wave has two rectangular waveguide openings, and said two rectangular waveguide opening is generally aligned in the same plane
In, one of them rectangular waveguide opening is the waveguide receiving port of described waveguide filter, and another rectangular waveguide opening is described
The waveguide emission port of waveguide filter.
2. waveguide filter as claimed in claim 1, it is characterised in that described wave-guide cavity wave includes the upper cavity of involutory setting
And lower chamber, described upper cavity central authorities are the rectangular recess having said two rectangular waveguide opening, and described lower chamber central authorities are
Trapezoidal groove or rectangular recess, described E face metallic membrane is fixed between described upper cavity and described lower chamber, described epicoele
Body, described lower chamber and described E face metallic membrane are collectively forming the resonator cavity of described waveguide filter.
3. waveguide filter as claimed in claim 2, it is characterised in that when described lower chamber central authorities are trapezoidal groove, institute
The gradient stating trapezoidal groove is 5 °～85 °.
4. waveguide filter as claimed in claim 2, it is characterised in that described upper cavity, described lower chamber and described E face gold
Belong to diaphragm to be fastened by securing member.
5. waveguide filter as claimed in claim 1 or 2, it is characterised in that described E face metallic membrane is by unitary piece of metal diaphragm
Constitute, described unitary piece of metal diaphragm formed by pierced process be arranged in order along its length and width is equal at least two
Metal wire, adjacent wires unequal interval is distributed, and described wave-guide cavity wave is formed at least by described at least two metal line intervals
Three resonant cavity structures.
6. waveguide filter as claimed in claim 5, it is characterised in that the length of described at least two metal line is according to metal
The distribution sequence of line is successively decreased to both sides on the basis of middle m metal line, as m ＞ 1, and the length of described middle m metal line
Equal, wherein, m is the positive integer more than 0.
7. waveguide filter as claimed in claim 5, it is characterised in that described E face metallic membrane is monometallic diaphragm, mixing
Metallic membrane or the metallic membrane of two-sided covering superconducting film.
8. a Ka band up-converter, including upconverter pcb board, it is characterised in that also include such as claim 1～7
One described waveguide filter, said two rectangular waveguide opening fits with described upconverter pcb board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620631522.6U CN205752471U (en) | 2016-06-23 | 2016-06-23 | A kind of waveguide filter and Ka band up-converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620631522.6U CN205752471U (en) | 2016-06-23 | 2016-06-23 | A kind of waveguide filter and Ka band up-converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205752471U true CN205752471U (en) | 2016-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620631522.6U Active CN205752471U (en) | 2016-06-23 | 2016-06-23 | A kind of waveguide filter and Ka band up-converter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099281A (en) * | 2016-06-23 | 2016-11-09 | 深圳市华讯方舟卫星通信有限公司 | A kind of waveguide filter and Ka band up-converter |
| CN114335968A (en) * | 2021-12-29 | 2022-04-12 | 南宁国人射频通信有限公司 | Dual-mode dielectric resonator and filter |
-
2016
- 2016-06-23 CN CN201620631522.6U patent/CN205752471U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099281A (en) * | 2016-06-23 | 2016-11-09 | 深圳市华讯方舟卫星通信有限公司 | A kind of waveguide filter and Ka band up-converter |
| CN114335968A (en) * | 2021-12-29 | 2022-04-12 | 南宁国人射频通信有限公司 | Dual-mode dielectric resonator and filter |
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Effective date of registration: 20210630 Granted publication date: 20161130 |
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Date of cancellation: 20230421 Granted publication date: 20161130 |
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Effective date of registration: 20230821 Address after: 518000 404, building 37, chentian Industrial Zone, chentian community, Xixiang street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Huaxun ark Photoelectric Technology Co.,Ltd. Patentee after: SHENZHEN HUAXUN ARK SATELLITE TELECOMMUNICATIONS Co.,Ltd. Address before: 518000, 2nd Floor, Building 37, Chentian Industrial Zone, Baotian 1st Road, Xixiang Street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN HUAXUN ARK SATELLITE TELECOMMUNICATIONS Co.,Ltd. Patentee before: CHINA COMMUNICATION TECHNOLOGY Co.,Ltd. |
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