CN102723591A - Filtering antenna for microwave and millimeter wave circuit - Google Patents
Filtering antenna for microwave and millimeter wave circuit Download PDFInfo
- Publication number
- CN102723591A CN102723591A CN2011100781873A CN201110078187A CN102723591A CN 102723591 A CN102723591 A CN 102723591A CN 2011100781873 A CN2011100781873 A CN 2011100781873A CN 201110078187 A CN201110078187 A CN 201110078187A CN 102723591 A CN102723591 A CN 102723591A
- Authority
- CN
- China
- Prior art keywords
- substrate
- resonant cavity
- microwave
- waveguide
- guide
- 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
Images
Abstract
The present invention discloses a filtering antenna for microwave and millimeter wave circuits, The filtering antenna comprises a dielectric substrate, wherein two sides of the dielectric substrate are provided with metal pasters. At least two resonant cavities are arranged on the dielectric substrate and a substrate integrated waveguide sensitive window is mounted in a public sidewall of two adjacent resonant cavities. Waveguide is disposed at one side of one resonant cavity and one end of the waveguide is connected with the resonant cavity. The sidewall of the resonant cavity between the waveguide and the resonant cavity is also provided with a substrate integrated waveguide sensitive window. An input through hole probe is arranged in the waveguide and is apart from the waveguide by a circular hole. Each resonant cavity is made by enclosure of metal through holes and a transmitting terminal consists of at least two lines of metal through holes. The filtering antenna of the invention can achieve optimal excitation, cavity filtering effect and excellent frequency selective characteristic by means of the excitation of the input through hole semi-stretching into the substrate integrated rectangular waveguide to regulate the length of the through hole stretching into the waveguide.
Description
Technical field
It is antenna integrated to the present invention relates to a kind of substrate that is used for the microwave and millimeter wave circuit, the integrated H face of especially a kind of microwave millimeter-wave substrate rectangular horn filter antenna.
Background technology
The microwave and millimeter wave antenna is the important part of contemporary communication system.Along with the fast development of Modern Communication System, volume is little, cost is low to having, it is integrated to be easy to and microwave and millimeter wave antenna that performance is high has urgent demand.In communication system, because active device, the nonlinear characteristic like power amplifier, frequency mixer etc. can produce a large amount of noise signals outside working band, can worsen systematic function on the one hand, can produce other system on the other hand and disturb.Therefore,, proposed very high requirement, thereby realized suppressing the purpose of outer clutter of band and interference like the linearity of amplifier and the frequency selectivity of filter etc. to nonlinear device.Though antenna commonly used has certain frequency selective characteristic; But its frequency selectivity is very poor, and its standing wave performance can not be compared with the filter frequencies selectivity characteristic far away, and the outer clutter of the band of system is suppressed not obvious with disturbing; Therefore need a kind of antenna that can have fine frequency selective characteristic; Suppress outer clutter of band and interference, thereby reduce requirement, reduce the realization cost of system other designs index in the system.
Summary of the invention
Technical problem to be solved of the present invention provides a kind ofly can satisfy the needs of Antenna Design in the communication system, be easy to microwave and millimeter wave circuit in the communication system again and the microwave and millimeter wave antenna integrates and the integrated H face of the microwave millimeter-wave substrate rectangular horn filter antenna that can suppress to disturb; Its operating characteristic has the performance of filter, has frequency selective characteristic preferably.
The present invention adopts following technical scheme for solving the problems of the technologies described above:
A kind of filter antenna that is applied to the microwave and millimeter wave circuit comprises dielectric substrate, on dielectric substrate, sets gradually at least 2 resonant cavitys from an end to the other end, and said resonant cavity is surrounded by metal throuth hole and forms;
Wherein, the area of said resonant cavity is H face trumpet type successively and increases continuously;
On the common side-wall of two adjacent resonant cavitys, be provided with substrate integration wave-guide perception window;
One end of said dielectric substrate is provided with substrate integration wave-guide, and an end of substrate integration wave-guide is connected with the initiating terminal of said resonant cavity, on the resonance sidewall between substrate integration wave-guide and this resonant cavity, also is provided with substrate integration wave-guide perception window;
In substrate integration wave-guide, be provided with input through hole probe, and should import between through hole probe and the substrate integration wave-guide isolated through circular hole.
Further, the filter antenna that is applied to the microwave and millimeter wave circuit of the present invention, the positive and negative of dielectric substrate is provided with metal patch.
Further, the filter antenna that is applied to the microwave and millimeter wave circuit of the present invention, the transmitting terminal of resonant cavity are made up of 2 row metal through holes at least.
Further, the filter antenna that is applied to the microwave and millimeter wave circuit of the present invention, substrate integration wave-guide be shaped as rectangle.
Further, the filter antenna that is applied to the microwave and millimeter wave circuit of the present invention, being shaped as of resonant cavity is trapezoidal.
Further, the filter antenna that is applied to the microwave and millimeter wave circuit of the present invention, dielectric substrate are LTCC or PCB double-sided copper-clad substrate.
Compared with prior art, the present invention has following advantage:
The present invention organically integrates integral wave guide filter and the integrated H face of substrate horn antenna, has formed the integrated H face of the substrate with fine frequency selective characteristic rectangular horn filter antenna.Entire antenna utilizes traditional P CB or LTCC technology to realize, thereby helps this antenna integrated in the microwave and millimeter wave circuit design.This antenna structure form is simple, is easy to design.Have following advantage:
Entire antenna is placed with substrate integration wave-guide perception window mainly by metal throuth hole and metal patch between the adjacent trapezoidal resonant cavity, total can utilize traditional P CB or LTCC technology to realize;
This antenna has good frequency selective characteristic, and its stationary wave characteristic has and the similar response of filter reflection coefficient;
This Antenna Design is with low cost, does not need extra debugging after machining;
This antenna can work in high frequency (10GHz) microwave circuit, and the size of antenna is little, in light weight, simple in structure simultaneously;
Because the stationary wave characteristic of this antenna has good frequency selective characteristic; Therefore it can reflect back parasitic disturbances that active device produced or the noise jamming by system; Make it to pass through a day alignment space radiation, thereby improve the performance of system transmitter.On the other hand, this antenna is the interference of space clutter always, because it has good frequency selective characteristic, it can not receive the energy that is caused by the space clutter, thereby reduce the band that system receiver caused is disturbed outward, improves the performance of system receiver;
This antenna belongs to a kind of of horn antenna, has higher antenna gain equally, can utilize planar integrated circuit technology to realize the high-gain H face horn antenna of three-dimensional band filter function.
Description of drawings:
Fig. 1 is the front view of structure of the present invention.
Label among the figure: 1-LTCC or PCB double-sided copper-clad medium substrate; The integrated rectangular waveguide of 2-substrate; The integrated H face of 3-substrate loudspeaker part; 4-plated-through hole probe; The no metal circular hole of 5-isolated vias probe and the integrated rectangular waveguide of substrate; 6-perception window; The 7-chipset is resonant cavity in echelon; The 8-manhole that metallizes; 9,11-metal patch; 10-resonant cavity transmitting terminal.
Fig. 2 is the rearview of structure of the present invention.
Specific embodiments:
Below in conjunction with accompanying drawing the enforcement of technical scheme is done further to describe in detail:
The present invention provides a kind of integrated H face of microwave millimeter-wave substrate rectangular horn filter antenna that is applied to; Comprise the two-sided dielectric substrate that is coated with metal patch; On dielectric substrate, be provided with the trapezoidal resonant cavity that waits that surrounds at least 2 of forming by plated-through hole, on the common side-wall of adjacent two resonant cavitys, be provided with substrate integration wave-guide perception window, be provided with waveguide in a side of resonant cavity; And an end of waveguide is connected with this resonant cavity; On the resonance sidewall between waveguide and this resonant cavity, also be provided with substrate integration wave-guide perception window, in the integrated rectangular waveguide of substrate, be provided with the plated-through hole probe that partly stretches into, the integrated loudspeaker other end of substrate is open spoke side.
Like Fig. 1, shown in Figure 2; The present invention includes the two-sided dielectric substrate 1 that is provided with metal patch 9,11; On dielectric substrate 1, be provided with 2 resonant cavitys 7 at least; On the common side-wall of two adjacent resonant cavitys, be provided with substrate integration wave-guide perception window 6; An end that is provided with substrate integration wave-guide 2 and this waveguide in a side of resonant cavity is connected with this resonant cavity, on the resonance sidewall between substrate integration wave-guide 2 and this resonant cavity, also is provided with substrate integration wave-guide perception window 6, in waveguide 2, be provided with input through hole probe 4 and should input through hole probe 4 and waveguide 2 to pass through circular hole 5 isolated; Above-mentioned resonant cavity 2,7 is surrounded by metal throuth hole 8 and forms, and the transmitting terminal 10 of resonant cavity has at least 2 row metal through holes to constitute.The quantity of resonant cavity 7 can be selected 2,3,5 or more.
The principle of antenna of the present invention is: be through partly stretching into input through hole 4 excitations in the integrated rectangular waveguide 2 of substrate; The length that adjusting through hole 4 stretches in the waveguide can realize optimal excitation; Form back of the body chamber through the integrated rectangular waveguide 2 of substrate then, with reflection of electromagnetic wave to transmitting terminal 10, along with slowly opening of the integrated H face of substrate loudspeaker 3; The realization electromagnetic wave is propagated in the space; When electromagnetic wave transmits, passed through trapezoidal substrate integration wave-guide resonant cavity 7 grades simultaneously in the integrated H face of substrate loudspeaker 3, reached good frequency selective characteristic to realize the cavity filter effect.
According to the above, just can realize the present invention.
Claims (6)
1. filter antenna that is applied to the microwave and millimeter wave circuit, it is characterized in that: comprise dielectric substrate, on dielectric substrate, set gradually at least 2 resonant cavitys from an end to the other end, said resonant cavity is surrounded by metal throuth hole and forms;
Wherein, the area of said resonant cavity is H face trumpet type successively and increases continuously;
On the common side-wall of two adjacent resonant cavitys, be provided with substrate integration wave-guide perception window;
One end of said dielectric substrate is provided with substrate integration wave-guide, and an end of substrate integration wave-guide is connected with the initiating terminal of said resonant cavity, on the resonance sidewall between substrate integration wave-guide and this resonant cavity, also is provided with substrate integration wave-guide perception window;
In substrate integration wave-guide, be provided with input through hole probe, and should import between through hole probe and the substrate integration wave-guide isolated through circular hole.
2. the filter antenna that is applied to the microwave and millimeter wave circuit according to claim 1 is characterized in that: the positive and negative of said dielectric substrate is provided with metal patch.
3. the filter antenna that is applied to the microwave and millimeter wave circuit according to claim 1 is characterized in that: said
The transmitting terminal of resonant cavity is made up of 2 row metal through holes at least.
4. the filter antenna that is applied to the microwave and millimeter wave circuit according to claim 1 is characterized in that: said substrate integration wave-guide be shaped as rectangle.
5. the filter antenna that is applied to the microwave and millimeter wave circuit according to claim 1 is characterized in that: being shaped as of said resonant cavity is trapezoidal.
6. the filter antenna that is applied to the microwave and millimeter wave circuit according to claim 1 is characterized in that: said dielectric substrate is LTCC or PCB double-sided copper-clad substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100781873A CN102723591A (en) | 2011-03-30 | 2011-03-30 | Filtering antenna for microwave and millimeter wave circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100781873A CN102723591A (en) | 2011-03-30 | 2011-03-30 | Filtering antenna for microwave and millimeter wave circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102723591A true CN102723591A (en) | 2012-10-10 |
Family
ID=46949295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100781873A Pending CN102723591A (en) | 2011-03-30 | 2011-03-30 | Filtering antenna for microwave and millimeter wave circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102723591A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022670A (en) * | 2012-12-21 | 2013-04-03 | 东南大学 | Amplitude-calibrated 3D-package surface antenna with embedded plated through holes |
| CN103022675A (en) * | 2012-12-21 | 2013-04-03 | 东南大学 | Three-dimensional surface antenna for phase calibration |
| CN103326094A (en) * | 2013-05-24 | 2013-09-25 | 华为技术有限公司 | Waveguide filter, manufacturing method thereof and communication device |
| CN109742538A (en) * | 2018-12-05 | 2019-05-10 | 东南大学 | A kind of mobile terminal millimeter wave phased array magnetic-dipole antenna and its aerial array |
| CN111009732A (en) * | 2019-12-03 | 2020-04-14 | 西安电子科技大学 | Planar horn antenna and filter antenna with filtering function |
| CN113224511A (en) * | 2021-04-23 | 2021-08-06 | 华南理工大学 | Waveguide filter antenna array based on mixed resonant mode resonant cavity |
| CN115173069A (en) * | 2022-08-10 | 2022-10-11 | 北京星英联微波科技有限责任公司 | High-gain filtering horn antenna |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1815800A (en) * | 2006-01-26 | 2006-08-09 | 东南大学 | Micro-wave milimeter substrate integrated wave-guide filter antenna |
| CN101179149A (en) * | 2007-11-12 | 2008-05-14 | 杭州电子科技大学 | One point coaxial feed low profile back-cavity circularly polarized antenna |
| US20090243762A1 (en) * | 2008-03-27 | 2009-10-01 | Xiao-Ping Chen | Waveguide filter |
| CN201994414U (en) * | 2011-03-30 | 2011-09-28 | 南京邮电大学 | Filtering antenna applied to microwave/millimeter-wave circuit |
-
2011
- 2011-03-30 CN CN2011100781873A patent/CN102723591A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1815800A (en) * | 2006-01-26 | 2006-08-09 | 东南大学 | Micro-wave milimeter substrate integrated wave-guide filter antenna |
| CN101179149A (en) * | 2007-11-12 | 2008-05-14 | 杭州电子科技大学 | One point coaxial feed low profile back-cavity circularly polarized antenna |
| US20090243762A1 (en) * | 2008-03-27 | 2009-10-01 | Xiao-Ping Chen | Waveguide filter |
| CN201994414U (en) * | 2011-03-30 | 2011-09-28 | 南京邮电大学 | Filtering antenna applied to microwave/millimeter-wave circuit |
Non-Patent Citations (1)
| Title |
|---|
| 张兵: "基于介质加载SIW的H面喇叭天线及其阵列研究", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022675A (en) * | 2012-12-21 | 2013-04-03 | 东南大学 | Three-dimensional surface antenna for phase calibration |
| CN103022670B (en) * | 2012-12-21 | 2014-11-12 | 东南大学 | Amplitude-calibrated 3D-package surface antenna with embedded plated through holes |
| CN103022675B (en) * | 2012-12-21 | 2015-01-28 | 东南大学 | Three-dimensional surface antenna for phase calibration |
| CN103022670A (en) * | 2012-12-21 | 2013-04-03 | 东南大学 | Amplitude-calibrated 3D-package surface antenna with embedded plated through holes |
| CN103326094A (en) * | 2013-05-24 | 2013-09-25 | 华为技术有限公司 | Waveguide filter, manufacturing method thereof and communication device |
| CN109742538B (en) * | 2018-12-05 | 2024-01-30 | 东南大学 | Millimeter wave phased array magnetic dipole antenna of mobile terminal and antenna array thereof |
| CN109742538A (en) * | 2018-12-05 | 2019-05-10 | 东南大学 | A kind of mobile terminal millimeter wave phased array magnetic-dipole antenna and its aerial array |
| CN111009732A (en) * | 2019-12-03 | 2020-04-14 | 西安电子科技大学 | Planar horn antenna and filter antenna with filtering function |
| CN111009732B (en) * | 2019-12-03 | 2022-01-25 | 西安电子科技大学 | Planar horn antenna with filtering function |
| CN113224511B (en) * | 2021-04-23 | 2022-12-16 | 华南理工大学 | Waveguide filter antenna array based on mixed resonant mode resonant cavity |
| CN113224511A (en) * | 2021-04-23 | 2021-08-06 | 华南理工大学 | Waveguide filter antenna array based on mixed resonant mode resonant cavity |
| CN115173069A (en) * | 2022-08-10 | 2022-10-11 | 北京星英联微波科技有限责任公司 | High-gain filtering horn antenna |
| CN115173069B (en) * | 2022-08-10 | 2024-05-07 | 北京星英联微波科技有限责任公司 | High gain filtering horn antenna |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102723591A (en) | Filtering antenna for microwave and millimeter wave circuit | |
| CN1925211B (en) | Half-modular substrate integral wave guide filter | |
| CN201994414U (en) | Filtering antenna applied to microwave/millimeter-wave circuit | |
| CN100533852C (en) | Micro-wave milimeter substrate integrated wave-guide filter antenna | |
| CN101237082B (en) | Multi-resistance band and ultra-broadband antenna based on split ring resonancer and mount erosion aperture | |
| CN209747698U (en) | novel SIGW power divider | |
| CN100418263C (en) | Hemi-membrane substrate integrated waveguide | |
| CN101320840B (en) | Multi-stop band ultra-wideband antenna based on miniaturization double module resonator | |
| CN205122768U (en) | Two trapped wave ultra -wideband antenna | |
| CN201210512Y (en) | Directional coupler for wideband wave-guide | |
| CN103151610B (en) | A kind of miniaturized unsymmetrical plan ultra-wideband antenna | |
| CN201167133Y (en) | Multi-stopband ultra-wideband disc antennae base on band-elimination filter | |
| CN201188454Y (en) | Implementation of multi-frequency interference resistance ultra-wideband antenna using double frequency characteristics of ladder impedance resonator | |
| CN2914356Y (en) | Half-die substrate integrated waveguide directional coupler coupling continuously | |
| CN101237081B (en) | Multi-resistance band and ultra-broadband antenna realized by split ring resonancer coupling feedback antenna | |
| CN207368186U (en) | A kind of bandstop filter and communication equipment | |
| CN200950464Y (en) | Semi-module substrate integrated waveguide filter | |
| CN111697321B (en) | Filter antenna based on half-mode substrate integrated waveguide structure | |
| CN203085714U (en) | Substrate integrated waveguide filter with direct coupling between source and load | |
| CN100459282C (en) | Half-module chip integrated waveguide 90 degree three-decibel directional coupler | |
| CN2896562Y (en) | Antenna with inhibiting external interference characteristic | |
| CN201149898Y (en) | Multiple stop band ultra-broadband disc antenna | |
| US20100117756A1 (en) | Feeding Apparatus for a Waveguide and Related Communication Apparatus | |
| CN2914357Y (en) | Half-die substrate integrated waveguide 180-degree three-decibel directional coupler | |
| CN201247814Y (en) | Ultra wideband communication antenna with five rejection bands |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20121010 |