CN107994310A - A kind of dielectric waveguide filter negative zero point coupled structure - Google Patents
A kind of dielectric waveguide filter negative zero point coupled structure Download PDFInfo
- Publication number
- CN107994310A CN107994310A CN201711221153.9A CN201711221153A CN107994310A CN 107994310 A CN107994310 A CN 107994310A CN 201711221153 A CN201711221153 A CN 201711221153A CN 107994310 A CN107994310 A CN 107994310A
- Authority
- CN
- China
- Prior art keywords
- resonator
- waveguide filter
- dielectric waveguide
- main body
- coupled
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
A kind of dielectric waveguide filter negative zero point coupled structure, it is related to moving communicating field, solve existing dielectric waveguide filter and pass through resonator transmission mode change, or coupling polarity changes come technical deficiency existing for introducing negative coupling zero point, includes dielectric waveguide filter main body and the radio signal transmission connector being fixed in the dielectric waveguide filter main body；The dielectric waveguide filter main body includes the first resonator, the second resonator and the 3rd resonator, three V-shaped structure distributions of resonator；Between first resonator and the second resonator, and coupled by dielectric waveguide filter window between the second resonator and the 3rd resonator, coupled between the first resonator and the 3rd resonator by coaxial type cylinder coupled structure.With simple and reasonable for structure, signal coupling can be effectively played, improves performance of filter, is designed, production, debugging is convenient.By adjusting the small column thickness in coaxial type cylinder, depth etc., the negative transmission zero coupling adjusted between dielectric waveguide filter is strong and weak, can conveniently realize the negative transmission zero coupling between dielectric waveguide filter.
Description
Technical field
The present invention relates to moving communicating field, particularly a kind of dielectric waveguide filter, specifically a kind of medium ripple
The coupled structure of waveguide filter.
Background technology
It is higher and higher for the performance requirement of wave filter in system with the development of technology in moving communicating field.With
It is required that raising, base station end High-Power Microwave Filter shows index height, small, inexpensive feature.Realizing these
When high performance filter, cavity size is limited to, wave filter needs to realize using new material or technology.In transmission frequency
During in high frequency, in order to meet to be lost and the performance requirement such as suppress, dielectric waveguide filter can be selected.Dielectric waveguide filter passes
Defeated pattern is identical with metal waveguide filter transfer pattern, is TE01 moulds.But dielectric waveguide filter volume smaller, loss are excellent
In metal waveguide wave filter.
The limited material property with dielectric waveguide filter, generally needs to add transmission zero when designing wave filter.And
The dielectric waveguide filter of TE01 moulds is more difficult compared to metal waveguide wave filter when realizing negative coupling zero point.Tradition is set
Meter passes through resonator transmission mode change, or coupling polarity changes to introduce negative coupling zero point, while also causes wave filter
Overall structure is more complicated or adds the volume of wave filter, it is therefore desirable to a kind of new negative zero point transmission coupled structure.
The content of the invention
It is an object of the invention to solve existing dielectric waveguide filter to pass through resonator transmission mode change, or coupling
Reversing bears technical deficiency existing for coupling zero point to introduce, and proposes a kind of dielectric waveguide filter negative zero point coupling knot
Structure.
To solve technical problem proposed by the invention, the technical solution used for：Scheme 1：A kind of Medium Wave Guide filtering
Device negative zero point coupled structure, includes dielectric waveguide filter main body and is fixed on penetrating in the dielectric waveguide filter main body
Frequency signal transmission connector；The dielectric waveguide filter main body includes the first resonator, the second resonator and the 3rd resonance
Device, three V-shaped structure distributions of resonator；It is characterized in that：Between first resonator and the second resonator, Yi Ji
Coupled between two resonators and the 3rd resonator by dielectric waveguide filter window, between the first resonator and the 3rd resonator
Coupled by coaxial type cylinder coupled structure.
Scheme 2：A kind of dielectric waveguide filter negative zero point coupled structure, includes dielectric waveguide filter main body and fixation
Radio signal transmission connector in the dielectric waveguide filter main body；The dielectric waveguide filter main body includes the
One resonator, the second resonator, the 3rd resonator and the 4th resonator, four resonators are in matrix pattern structure distribution；Its feature
It is：Between first resonator and the second resonator, between the second resonator and the 3rd resonator, and the 3rd resonance
Coupled between device and the 4th resonator by dielectric waveguide filter window, by same between the first resonator and the 4th resonator
Spindle-type cylinder coupled structure couples.
Scheme 3：A kind of dielectric waveguide filter negative zero point coupled structure, includes dielectric waveguide filter main body and fixation
Radio signal transmission connector in the dielectric waveguide filter main body；The dielectric waveguide filter main body includes the
One resonator, the second resonator, the 3rd resonator and the 4th resonator, four resonators are in matrix pattern structure distribution；Its feature
It is：Between first resonator and the second resonator, between the second resonator and the 3rd resonator, the 3rd resonator with
Between 4th resonator, and coupled between the first resonator and the 4th resonator by dielectric waveguide filter window, second
Coupled between resonator and the 4th resonator by coaxial type cylinder coupled structure.
Beneficial effects of the present invention are：The present invention dielectric waveguide filter negative zero point coupled structure have it is simple in structure,
Rationally, signal coupling can be effectively played, improves performance of filter, is designed, production, it is convenient to debug.Compared with prior art, originally
A kind of negative transmission zero coupled structure of dielectric waveguide filter of invention, it is thick by adjusting the small column in coaxial type cylinder
Carefully, depth etc., the negative transmission zero coupling adjusted between dielectric waveguide filter is strong and weak, can conveniently realize dielectric waveguide filter
Between negative transmission zero coupling.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the embodiment of the present invention 1；
Fig. 2 is the main structure diagram of the embodiment of the present invention 1；
Fig. 3 is the Section A-A structure diagram of Fig. 2；
Fig. 4 is the section B-B structure diagram of Fig. 2；
Fig. 5 is the dimensional structure diagram of the embodiment of the present invention 2；
Fig. 6 is the main structure diagram of the embodiment of the present invention 2；
Fig. 7 is the C-C cross section structure schematic diagrams of Fig. 6；
Fig. 8 is the D-D cross section structure schematic diagrams of Fig. 6；
Fig. 9 is the dimensional structure diagram of the embodiment of the present invention 3；
Figure 10 is the main structure diagram of the embodiment of the present invention 3；
Figure 11 is the E-E cross section structure schematic diagrams of Figure 10；
Figure 12 is the F-F cross section structure schematic diagrams of Figure 10.
Embodiment
The present invention is further described below in conjunction with the specific embodiment of attached drawing and the present invention.
Embodiment 1
Shown in Fig. 4, present media waveguide filter negative zero point coupled structure, includes Medium Wave Guide filtering
Device main body 1 and the radio signal transmission connector 2 being fixed in the dielectric waveguide filter main body 1；It is described in the present embodiment
Dielectric waveguide filter main body 1 include the first resonator 3, the second resonator 4 and the 3rd resonator 5, three resonators 3,4 and
5 V-shaped structure distributions；Wherein, between first resonator 3 and the second resonator 4, and the second resonator 4 and the 3rd
Coupled respectively by dielectric waveguide filter window 7 and dielectric waveguide filter window 8 between resonator 5, realize the medium
The main coupling of waveguide filter main body 1；Pass through 6 coupling of coaxial type cylinder coupled structure between first resonator 3 and the 3rd resonator 5
Close, the dielectric waveguide filter main body 1 can produce a transmission zero in passband low side.
Embodiment 2
With reference to Fig. 5 to shown in Fig. 8, the present embodiment has further included the 4th resonator, four resonators as different from Example 1
In matrix pattern structure distribution；Between first resonator and the second resonator, between the second resonator and the 3rd resonator,
And the 3rd coupled by dielectric waveguide filter window between resonator and the 4th resonator, the first resonator and the 4th resonance
Coupled between device by coaxial type cylinder coupled structure 6, the dielectric waveguide filter main body 1 can respectively be produced in the high low side of passband
One transmission zero.
Embodiment 3
With reference to Fig. 9 to shown in Figure 12, the present embodiment position of coaxial type cylinder coupled structure 6 respectively as different from Example 2
Difference is put, while increases dielectric waveguide filter window 9 between the first resonator and the 4th resonator, the Medium Wave Guide filter
Ripple device main body 1 can produce two transmission zeros in passband low side.
Claims (3)
1. a kind of dielectric waveguide filter negative zero point coupled structure, includes dielectric waveguide filter main body and is fixed on and given an account of
Radio signal transmission connector in matter waveguide filter main body；The dielectric waveguide filter main body includes the first resonance
Device, the second resonator and the 3rd resonator, three V-shaped structure distributions of resonator；It is characterized in that：First resonator
Between the second resonator, and coupled between the second resonator and the 3rd resonator by dielectric waveguide filter window, the
Coupled between one resonator and the 3rd resonator by coaxial type cylinder coupled structure.
2. a kind of dielectric waveguide filter negative zero point coupled structure, includes dielectric waveguide filter main body and is fixed on and given an account of
Radio signal transmission connector in matter waveguide filter main body；The dielectric waveguide filter main body includes the first resonance
Device, the second resonator, the 3rd resonator and the 4th resonator, four resonators are in matrix pattern structure distribution；It is characterized in that：Institute
Between the first resonator and the second resonator stated, between the second resonator and the 3rd resonator, and the 3rd resonator and
Coupled by dielectric waveguide filter window between four resonators, justified between the first resonator and the 4th resonator by coaxial type
Column coupled structure couples.
3. a kind of dielectric waveguide filter negative zero point coupled structure, includes dielectric waveguide filter main body and is fixed on and given an account of
Radio signal transmission connector in matter waveguide filter main body；The dielectric waveguide filter main body includes the first resonance
Device, the second resonator, the 3rd resonator and the 4th resonator, four resonators are in matrix pattern structure distribution；It is characterized in that：Institute
Between the first resonator and the second resonator stated, between the second resonator and the 3rd resonator, the 3rd resonator and the 4th humorous
Shake between device, and coupled between the first resonator and the 4th resonator by dielectric waveguide filter window, the second resonator
Coupled between the 4th resonator by coaxial type cylinder coupled structure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711221153.9A CN107994310A (en) | 2017-11-29 | 2017-11-29 | A kind of dielectric waveguide filter negative zero point coupled structure |
| PCT/CN2018/078876 WO2019104901A1 (en) | 2017-11-29 | 2018-03-13 | Negative zero-point coupling structure of dielectric waveguide filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711221153.9A CN107994310A (en) | 2017-11-29 | 2017-11-29 | A kind of dielectric waveguide filter negative zero point coupled structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107994310A true CN107994310A (en) | 2018-05-04 |
Family
ID=62033909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711221153.9A Pending CN107994310A (en) | 2017-11-29 | 2017-11-29 | A kind of dielectric waveguide filter negative zero point coupled structure |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107994310A (en) |
| WO (1) | WO2019104901A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109728385A (en) * | 2019-02-22 | 2019-05-07 | 江西一创新材料有限公司 | A kind of dielectric filter coupled structure with symmetrical null characteristic |
| CN111129667A (en) * | 2019-11-25 | 2020-05-08 | 江苏希奥飞尔微电子科技有限公司 | Negative coupling structure applied to dielectric waveguide filter and dielectric waveguide filter |
| WO2021008005A1 (en) * | 2019-07-16 | 2021-01-21 | 深圳国人科技股份有限公司 | Dielectric waveguide filter |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112563693A (en) | 2019-09-25 | 2021-03-26 | 深圳三星通信技术研究有限公司 | Dielectric filter |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103718375A (en) * | 2011-08-05 | 2014-04-09 | 株式会社Kmw | Radio frequency filter employing notch structure |
| CN106898849A (en) * | 2017-04-25 | 2017-06-27 | 四川省韬光通信有限公司 | A kind of dielectric waveguide filter with cross coupling structure |
| CN207719379U (en) * | 2017-11-29 | 2018-08-10 | 深圳市麦捷微电子科技股份有限公司 | A kind of dielectric waveguide filter negative zero point coupled structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9030279B2 (en) * | 2011-05-09 | 2015-05-12 | Cts Corporation | Dielectric waveguide filter with direct coupling and alternative cross-coupling |
-
2017
- 2017-11-29 CN CN201711221153.9A patent/CN107994310A/en active Pending
-
2018
- 2018-03-13 WO PCT/CN2018/078876 patent/WO2019104901A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103718375A (en) * | 2011-08-05 | 2014-04-09 | 株式会社Kmw | Radio frequency filter employing notch structure |
| CN106898849A (en) * | 2017-04-25 | 2017-06-27 | 四川省韬光通信有限公司 | A kind of dielectric waveguide filter with cross coupling structure |
| CN207719379U (en) * | 2017-11-29 | 2018-08-10 | 深圳市麦捷微电子科技股份有限公司 | A kind of dielectric waveguide filter negative zero point coupled structure |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109728385A (en) * | 2019-02-22 | 2019-05-07 | 江西一创新材料有限公司 | A kind of dielectric filter coupled structure with symmetrical null characteristic |
| CN109728385B (en) * | 2019-02-22 | 2023-12-08 | 江西一创新材料有限公司 | Dielectric filter coupling structure with symmetrical zero characteristic |
| WO2021008005A1 (en) * | 2019-07-16 | 2021-01-21 | 深圳国人科技股份有限公司 | Dielectric waveguide filter |
| CN111129667A (en) * | 2019-11-25 | 2020-05-08 | 江苏希奥飞尔微电子科技有限公司 | Negative coupling structure applied to dielectric waveguide filter and dielectric waveguide filter |
| CN111129667B (en) * | 2019-11-25 | 2021-02-12 | 江苏希奥飞尔微电子科技有限公司 | Negative coupling structure applied to dielectric waveguide filter and dielectric waveguide filter |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019104901A1 (en) | 2019-06-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107994310A (en) | A kind of dielectric waveguide filter negative zero point coupled structure | |
| Zhang et al. | Design of microstrip dual-mode filters based on source-load coupling | |
| CN109149037B (en) | TM mode-based medium dual-mode band-pass filter and control method | |
| CN207925634U (en) | A kind of three mode filter of medium based on capacitive load and aperture coupled | |
| CN103531874B (en) | Double-passband balun filter | |
| CN108767412A (en) | A kind of ultra wide band YIG electrically tunable filter coupled resonance structures based on LTCC | |
| CN101599564A (en) | Controllable electromagnetic coupling microstrip split-ring resonator filter | |
| CN101950828A (en) | Four-open-loop dual-band microstrip filter | |
| CN201450087U (en) | Micro-strip open loop resonator filter capable of controlling electromagnetic coupling | |
| CN103367843B (en) | Four-model resonator-based compact dual-passband high-temperature superconductive filter | |
| CN101656337A (en) | Novel double-module band-pass filter | |
| CN207719379U (en) | A kind of dielectric waveguide filter negative zero point coupled structure | |
| CN206564315U (en) | A kind of mode filter of cavity four | |
| CN103457008B (en) | A kind of filter with back of the body chamber resonator | |
| CN108258371A (en) | A kind of three mode filter of medium based on capacitive load and aperture coupled | |
| CN104143675B (en) | Cross-linked bandpass filter and its design method | |
| CN104091985B (en) | A kind of broadband filter adopting single chamber four mould cavity resonator | |
| CN201174412Y (en) | A dual-mode circular high order cavity filter of substrate integration waveguide | |
| CN104241744B (en) | A kind of broadband filter of the mould cavity resonator of use single-chamber five | |
| CN109390644A (en) | A kind of four mould dielectric waveguide filter of two-chamber | |
| CN103337678B (en) | There is the cross-couplings substrate integral wave guide filter of steep side band characteristic | |
| CN209045720U (en) | A kind of four mould dielectric waveguide filter of two-chamber | |
| CN209747694U (en) | Low-pass filter with complementary split resonant ring and U-shaped groove defected ground | |
| CN113690560B (en) | Dielectric filter, dielectric resonator and communication equipment | |
| CN111883887A (en) | High-selectivity balanced filter based on ceramic dielectric loading |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180504 |