CN106972224B - A kind of balanced type microwave phase shifter for antenna - Google Patents
A kind of balanced type microwave phase shifter for antenna Download PDFInfo
- Publication number
- CN106972224B CN106972224B CN201710278510.9A CN201710278510A CN106972224B CN 106972224 B CN106972224 B CN 106972224B CN 201710278510 A CN201710278510 A CN 201710278510A CN 106972224 B CN106972224 B CN 106972224B
- Authority
- CN
- China
- Prior art keywords
- line
- pair
- phase shifter
- balanced type
- coupling
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/18—Phase-shifters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/18—Phase-shifters
- H01P1/182—Waveguide phase-shifters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/18—Phase-shifters
- H01P1/184—Strip line phase-shifters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
Landscapes
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
Abstract
The invention discloses a kind of balanced type microwave phase shifter for antenna, which includes delay line and reference line unit, and reference line unit includes a pair of of the coupling line being placed between a pair of of balanced type input port and output port；Delay line includes a pair of of the coupling line being placed between another pair balanced type input port and output port, and the coupling line middle position in delay line is loaded with half-wavelength transmission line.Present invention firstly provides the balanced type microwave phase shifters with common mode inhibition, compared to existing single-ended phase shifter, it when the phase shifter is used for balanced systems or antenna, can directly be docked with other neutrodyne circuits, avoid separately adding and equilibrate to unbalanced switching device-balun；Compared to existing balanced type phase shifter, the present invention not only realizes stabilization phase shift of the differential signal within the scope of certain frequency, but also has the function of common-mode signal inhibition, and anti-interference ability is stronger.
Description
Technical field
The present invention relates to field of microwave communication more particularly to a kind of balanced type microwave phase shifters for antenna.
Background technique
Phase shifter is a kind of element for controlling signal relative phase.In microwave circuit, phase shifter can be micro- by controlling
Wave phase controls the direction of the launch of microwave beam, in phased-array radar, guided missile ability of posture control, communication, apparatus measures even sound
Happy field, which suffers from, to be widely applied.
From port organization, phase shifter has single-ended and two kinds of forms of balanced type.The research of phase shifter is mainly collected at present
In in single-ended structure, it is considerably less to the research of balanced type phase shifter.Balanced type phase shifter is a kind of novel phase shifter, in circuit
It can directly be docked with other neutrodyne circuits in form, avoid separately adding and equilibrate to unbalanced switching device-balun,
Be conducive to miniaturization, the high-performance, the development trend of low cost of microwave circuit in the microwave system of highly resistance immunity；It is put down in performance
Weighing apparatus formula phase shifter is able to achieve the phase shift function of difference mode signal, and inhibits common-mode signal, thus can improve system anti-interference ability,
Harmonics restraint and reliability.Current existing balanced type microwave phase shifter is realized using loaded transmission line structure, existing
Balanced type microwave phase shifter lacks common mode inhibition capacity, poor to ambient noise immunocompetence.
Summary of the invention
The technical problem to be solved in the present invention is that lacking common mode inhibition energy for existing balanced type microwave phase shifter
Power, to the defect of ambient noise immunocompetence difference, a kind of balanced type microwave phase shifter for antenna is provided.
The technical solution adopted by the present invention to solve the technical problems is: construction
A kind of balanced type microwave phase shifter, including delay line and reference line unit, the reference line unit include setting
A pair of of coupling line between a pair of of balanced type input port and output port；The delay line includes being placed in another pair to put down
A pair of of coupling line between weighing apparatus formula input port and output port, and the coupling line middle position in delay line is loaded with half
Wavelength transmission line.
Optionally, the phase shifter is the double panel structure being made of two dielectric layers, has one between two dielectric layers
Metal ground layer, the delay line and reference line unit are set on the dielectric layer of top layer, the half-wavelength transmission line setting
In on the dielectric layer of bottom；
Wherein, the coupling line middle position in delay line is loaded with a pair of of minor matters, in the metal ground layer with it is described
The corresponding position of a pair of of minor matters is provided with a pair of of metallization removal window, and the pair of minor matters are via passing through the pair of metallization removal
A pair of of Transmission Part of window is connected to the both ends of half-wavelength transmission line.
Optionally, the phase shifter is the lamina structure being made of a dielectric layer, and the bottom of the dielectric layer has
One metal ground layer, the delay line, reference line unit, half-wavelength transmission line are all set on the dielectric layer；
Wherein, the coupling line in delay line is divided between two sections and two sections is connected by outwardly projecting non-coupled line
It connects, the half-wavelength transmission line is set in the region between two non-coupled lines.
Optionally, the coupling line, the half-wavelength transmission line using it is following any one: microstrip line, co-planar waveguide, band
Shape line.
Optionally, the pair of Transmission Part is a pair of conductive cylindrical body.
Implement the balanced type microwave phase shifter for antenna of the invention, has the advantages that the present invention mentions for the first time
The balanced type microwave phase shifter with common mode inhibition is gone out, compared to existing single-ended phase shifter, which is used for balanced type
It when system or antenna, can directly be docked with other neutrodyne circuits, avoid separately adding and equilibrate to unbalanced switching device-
Balun；Compared to existing balanced type phase shifter, due to coupling line middle position load half of the present invention in delay line
Wavelength transmission cable architecture, therefore the present invention not only realizes the phase shift of differential signal, but also has the function of common-mode signal inhibition,
Anti-interference ability is stronger.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings:
Fig. 1 is the electrical block diagram of delay line in present pre-ferred embodiments；
Fig. 2 is the electrical block diagram of reference line unit in present pre-ferred embodiments；
Fig. 3 is the equivalent circuit schematic in present pre-ferred embodiments
Fig. 4 is the differential mode matching schematic diagram of balanced type microwave phase shifter in present pre-ferred embodiments；
Fig. 5 is the differential mode phase shift response schematic diagram of balanced type microwave phase shifter in present pre-ferred embodiments；
Fig. 6 is the common-mode response simulation waveform of balanced type microwave phase shifter in present pre-ferred embodiments.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give exemplary embodiments of the invention.But the invention can be realized in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is make it is more thorough and comprehensive to the disclosure.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
The total thinking of the present invention is that the coupling line middle position in delay line is loaded with half-wavelength transmission line, real
Show stabilization phase shift of the differential signal within the scope of certain frequency, and has the function of common-mode signal inhibition, anti-interference ability
It is stronger.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
It states technical solution to be described in detail, it should be understood that the specific features in the embodiment of the present invention and embodiment are to the application
The detailed description of technical solution, rather than the restriction to technical scheme, in the absence of conflict, the present invention are implemented
Technical characteristic in example and embodiment can be combined with each other.
With reference to Fig. 1-2, in preferred embodiment, balanced type microwave phase shifter is the bilayer being made of two dielectric layers 10,30
Hardened structure has a metal ground layer 20 between two dielectric layers 10,30, delay line and ginseng is arranged on the dielectric layer 10 of top layer
Line unit is examined, half-wavelength transmission line 31 is set on the dielectric layer 30 of bottom.
The cabling of half-wavelength transmission line 31 is generally rectangular shaped in the present embodiment, and is located at the right side of 30 upper surface of dielectric layer.
It is understood that the cabling of half-wavelength transmission line 31 is not limited to this, the left side of 30 upper surface of dielectric layer can also be set,
Or the left and right sides is distributed, and can also be other non-regular shapes, as long as guaranteeing that the electrical length of half-wavelength transmission line 31 is
180 °.
As shown in figure 1, phase shifter has 4 ports, the input port of middle port 1-1 ' Compositional balance formula delay line, port
2-2 ' constitutes the output port of balanced type delay line, and port 3-3 ' constitutes the input port of balanced type reference line, port 4-
4 ' constitute the output port of balanced type reference line.
Wherein, delay line includes the coupling line 12,12 ' that a pair of of electrical length is 180 °, the reference line line unit packet
The adjustable coupling line 34,34 ' of a pair of of electrical length is included, electrical length is determined by the phase shift value of phase shifter.With reference to Fig. 1, coupling line 12
Input terminal 1 and output terminal 2 are connected, coupling line 12 ' connects input terminal 1 ' and output terminal 2 ', with reference to Fig. 2, coupling line 34
Input terminal 3 and output terminal 4 are connected, coupling line 3 ' 4 ' connects input terminal 3 ' and output terminal 4 '.
The middle position of coupling line 12,12 ' loads the half-wavelength transmission line 31.Specifically, the coupling in delay line
The middle position of zygonema 12,12 ' is loaded with a pair of of minor matters 120,120 ', in the metal ground layer 20 with the pair of minor matters 120,
120 ' corresponding positions are provided with a pair of of metallization removal window 21, and the pair of minor matters 120,120 ' are gone via across the pair of
A pair of of Transmission Part 123,123 ' of metallization window 21 is connected to the both ends of half-wavelength transmission line 31.
Wherein, the shape of metallization removal window 21 and with no restrictions.It is to pass through painting by metal ground layer 20 in this present embodiment
Metal realization is covered, so-called metallization removal can be not coated by metal at window.
Wherein, the pair of Transmission Part 123,123 ' is a pair of conductive cylindrical body.
Wherein, the coupling line, the half-wavelength transmission line can be using the transmission such as microstrip line, co-planar waveguide, strip line
Line form is realized.
With reference to Fig. 3, in conjunction with Fig. 1-2, the parity mode impedance of coupling line 12,12 ' and electrical length are respectively in delay line
Zco、ZceAnd θc, the characteristic impedance of load half-wavelength transmission line 31 is Zs, electrical length θs, coupling line 34 in reference line unit,
34 ' parity mode impedance and electrical length are respectively Zro、ZreAnd θr.The working principle of the phase shifter is as follows:
The phase shift of Fig. 1 middle port 1-1 ' and 2-2 ' isThe phase shift of port 3-3 ' and 4-4 ' isThe then phase shift
The phase shift value of device
Because being load four in odd mould equivalent circuit in the intermediate load half-wavelength transmission line 31 of coupling line 12,12 '
The short-circuit minor matters of/mono- wavelength are equivalent to an open circuit point in A point, and signal can pass to terminal 2 from terminal 1.And in even mould
It is the quarter-wave open circuit minor matters of load in equivalent circuit, is equivalent to a short dot in A point, signal passes through short when A
Road can not be transferred to terminal 2 from terminal 1.So this phase shifter has the advantages that transmit difference mode signal and inhibits common-mode signal.
The impedance setting of the impedance of coupling line parity mode and load half-wavelength transmission line in the present invention in delay line is answered
Ensure that phase shifter has stable phase shift within the scope of certain frequency, while difference mode signal can be transmitted again and inhibit common-mode signal.
It in another embodiment, can also be the lamina structure being made of a dielectric layer by phase shifter design,
The bottom of dielectric layer has a metal ground layer, and delay line, reference line unit, half-wavelength transmission line are all set in the medium
On layer.Wherein, the coupling line in delay line is divided between two sections and two sections through outwardly projecting non-coupled line connection, institute
Half-wavelength transmission line is stated to be set in the region between two non-coupled lines by suitably bending.
Design procedure of the invention is divided into three steps.
The first step, formula (1) based on following and (2) pass through default differential mode transmission pole location, phase shift value and phase shift band
Width carrys out the odd mode impedance Z of coupling line in computing relay line unitcoWith half-wavelength transmission line impedance Zs:
Wherein, Z0 is port Impedance, fn(n=1,2) be differential mode transmission pole frequency location.
There are a transmission poles in centre frequency for circuit known to formula (1), know circuit by formula (1) and (2)
Also respectively there is a transmission pole in centre frequency two sides, i.e., there are 3 transmission poles for circuit.The transmission pole of centre frequency two sides
Point, with ZcoAnd ZsIt is related.Z can be calculated by setting differential mode transmission pole location, phase shift value and phase shift bandwidthcoAnd Zs。
Step 2: determining differential mode matching and phase shift bandwidth.
According to the Z calculated in the first stepcoAnd ZsValue, emulation obtains differential mode matching and phase shift bandwidth, and passes through parameter scanning
Optimize ZcoAnd ZsTo obtain required differential mode matching and phase shift bandwidth.
Third step, by determining ZcoAnd ZsTo obtain required common mode inhibition bandwidth.
The Z calculated according to the first stepsWith the Z determined by parameter scanningcoCommon mode inhibition bandwidth required for can obtaining.
With reference to Fig. 4-6, according to the above analysis, provide 3 emulation cases of the phase shifter, realize respectively 30 ° ± 2.1 °,
60 ° ± 4.2 ° and 90 ° ± 6.3 ° of differential mode phase shift, centre frequency f0=1GHz, differential mode matching is less than -15dB, common mode presses down
System is greater than 10dB, and bandwidth of operation is all 62%, and insertion loss is less than 0.8dB in bandwidth of operation.
In conclusion implementing the balanced type microwave phase shifter for antenna of the invention, this hair is had the advantages that
The bright balanced type microwave phase shifter being put forward for the first time with common mode inhibition, compared to existing single-ended phase shifter, which is used
When balanced systems or antenna, can directly be docked with other neutrodyne circuits, avoid separately adding equilibrate to it is unbalanced
Switching device-balun；Compared to existing balanced type phase shifter, due to coupling line interposition of the present invention in delay line
Load half-wavelength transmission line structures in order is set, therefore the present invention not only realizes differential signal stablizing within the scope of certain frequency and moves
Phase, and have the function of common-mode signal inhibition, anti-interference ability is stronger.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (5)
1. a kind of balanced type microwave phase shifter, which is characterized in that including delay line and reference line unit, the reference line list
Member includes a pair of of the coupling line being placed between a pair of of balanced type input port and output port；The delay line includes being placed in
A pair of of coupling line between another pair balanced type input port and output port, and the coupling line middle position in delay line
It is loaded with half-wavelength transmission line.
2. balanced type microwave phase shifter according to claim 1, which is characterized in that the phase shifter is by two dielectric layers
The double panel structure of composition has a metal ground layer, the coupling of the delay line and reference line unit between two dielectric layers
Zygonema is set on the dielectric layer of top layer, and the half-wavelength transmission line is set on the dielectric layer of bottom；
Wherein, the coupling line middle position in delay line is loaded with a pair of of minor matters, in the metal ground layer with it is the pair of
The corresponding position of minor matters is provided with a pair of of metallization removal window, and the pair of minor matters are via across the pair of metallization removal window
A pair of of Transmission Part be connected to the both ends of half-wavelength transmission line.
3. balanced type microwave phase shifter according to claim 1, which is characterized in that the phase shifter is by a dielectric layer
The lamina structure of composition, the bottom of the dielectric layer have a metal ground layer, the delay line, reference line unit, half
Wavelength transmission line is all set on the dielectric layer；
Wherein, the coupling line in delay line is divided between two sections and two sections through outwardly projecting non-coupled line connection, institute
It states in the region that half-wavelength transmission line is set between two non-coupled lines.
4. balanced type microwave phase shifter according to claim 1, which is characterized in that the coupling line, the half-wave long pass
Defeated line using it is following any one: microstrip line, co-planar waveguide, strip line.
5. balanced type microwave phase shifter according to claim 2, which is characterized in that the pair of Transmission Part is a pair of conductive
Cylindrical body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710278510.9A CN106972224B (en) | 2017-04-25 | 2017-04-25 | A kind of balanced type microwave phase shifter for antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710278510.9A CN106972224B (en) | 2017-04-25 | 2017-04-25 | A kind of balanced type microwave phase shifter for antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106972224A CN106972224A (en) | 2017-07-21 |
| CN106972224B true CN106972224B (en) | 2019-07-26 |
Family
ID=59333773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710278510.9A Active CN106972224B (en) | 2017-04-25 | 2017-04-25 | A kind of balanced type microwave phase shifter for antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106972224B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109586017B (en) * | 2018-11-02 | 2019-12-03 | 南京航空航天大学 | A kind of wideband MIMO differential filtering slot antenna |
| CN109786919A (en) * | 2019-03-04 | 2019-05-21 | 南京理工大学 | Combined two road power splitter based on LTCC |
| CN111244585B (en) * | 2020-01-17 | 2021-04-06 | 中山大学 | Differential phase shifter with filtering function |
| KR20220169643A (en) * | 2021-06-21 | 2022-12-28 | 엘지이노텍 주식회사 | Phase shifter and wireless communication device including the same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105244589A (en) * | 2015-10-19 | 2016-01-13 | 南通大学 | Branch line coupler and manufacture method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100403972B1 (en) * | 2000-07-25 | 2003-11-01 | 한국과학기술원 | Microwave double pole double throw switch and microwave divide through switch and power amplifier using thereof |
-
2017
- 2017-04-25 CN CN201710278510.9A patent/CN106972224B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105244589A (en) * | 2015-10-19 | 2016-01-13 | 南通大学 | Branch line coupler and manufacture method thereof |
Non-Patent Citations (1)
| Title |
|---|
| "Novel Multi-way Broadband Differential Phase Shifter With Uniform Reference Line Using Coupled Line Structure";Xing Yu Pu等;《IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS》;20150531;第25卷(第3期);第2-4栏，附图3 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106972224A (en) | 2017-07-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106972224B (en) | A kind of balanced type microwave phase shifter for antenna | |
| CN104753468B (en) | A kind of millimeter wave even harmonic mixer structure | |
| EP2214251A1 (en) | A waveguide orthomode transducer | |
| CN207559072U (en) | A kind of 2 × 3 wideband butler matrix plates, butler matrix and multibeam antenna | |
| KR20140114644A (en) | Broadband butler matrix device | |
| CN108470968A (en) | It is a kind of termination etc. complex impedances across directional coupler | |
| CN109066039A (en) | A kind of novel micro-strip function divides duplexer | |
| CN109742496A (en) | Broadband bandpass filter based on nested annular and slot line resonator | |
| Chen et al. | Modified vertically installed planar couplers for ultrabroadband multisection quadrature hybrid | |
| CN108123196B (en) | Broadband filtering integrated stereo balun based on vertical double-sided parallel strip lines | |
| KR20190088523A (en) | Circuits and Techniques for Via-Leased Beam Formers | |
| CN206163714U (en) | Dual -band antenna | |
| US20170346151A1 (en) | Broadband high power microwave combiner/divider | |
| Kilani et al. | Novel wideband multilayer Butler matrix using CPW technology | |
| Ibrahim et al. | Wideband butler matrix in microstrip-slot technology | |
| TWI703819B (en) | Dual-band transformer structure | |
| CN109378592A (en) | It is a kind of with the broad-band antenna array feeding network for stablizing beam angle and Sidelobe | |
| Nedil et al. | A new ultra-wideband beamforming for wireless communications in underground mines | |
| CN209282412U (en) | It is a kind of with the broad-band antenna array feeding network for stablizing beam angle and Sidelobe | |
| US20090284326A1 (en) | Balanced hybrid coupler | |
| Azizi et al. | Realization of a compact branch line couple using semi-lumped element | |
| Hagiwara et al. | Wideband unbalanced fed 180-degree phase shifter using phase inverter | |
| CN109346842A (en) | The adjustable antenna of wave width | |
| Zaidel et al. | Design of compact single-section directional coupler for butler matrix beam-forming MIMO | |
| Nedil et al. | Novel ultra-wideband Butler matrix for wireless underground mines |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201102 Address after: 201802 room j5684, Zone E, floor 1, building 4, No. 358, Kefu Road, Jiading District, Shanghai Patentee after: Shanghai Maibahe Information Technology Co., Ltd Address before: 226019 Jiangsu city of Nantong province sik Road No. 9 Institute of electronic and Information Engineering Nantong University Patentee before: NANTONG University Patentee before: NANTONG RESEARCH INSTITUTE FOR ADVANCED COMMUNICATION TECHNOLOGIES Co.,Ltd. |
|
| TR01 | Transfer of patent right |