CN105914469B - The microstrip line butler matrix with band-pass filtering property based on uniform impedance resonator - Google Patents
The microstrip line butler matrix with band-pass filtering property based on uniform impedance resonator Download PDFInfo
- Publication number
- CN105914469B CN105914469B CN201610383314.3A CN201610383314A CN105914469B CN 105914469 B CN105914469 B CN 105914469B CN 201610383314 A CN201610383314 A CN 201610383314A CN 105914469 B CN105914469 B CN 105914469B
- Authority
- CN
- China
- Prior art keywords
- resonator
- feeder line
- line head
- port
- input
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
- H01Q3/34—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 by electrical means
- H01Q3/40—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 by electrical means with phasing matrix
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
-
- 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
- H01Q3/34—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 by electrical means
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The invention discloses a kind of microstrip line butler matrix with band-pass filtering property based on uniform impedance resonator comprising 4 half-wavelength uniform impedance resonators, 2 input terminal feeder line heads, 2 output end feeder line heads, 4 root port feeder lines.It is each to be electrically coupled between resonator and other two resonator or magnetic coupling, by being electrically coupled and phase-shift characterisitc is realized in the combination in magnetic coupling path.The present invention replaces three-dB coupler using uniform impedance resonator element, simple in structure, and realizes band-pass filtering property；Phase shift is generated with magnetic-coupled combination of paths by being electrically coupled, not only eliminates the use of phase shifter, also ensures that preferable isolation, circuit size greatly reduce.Since butler matrix is microstrip structure, light weight and cost is low, is suitble to industrial mass manufacture, so butler matrix has advantage simple in structure, that design is easy, manufacturing cost is cheap.
Description
Technical field
The present invention relates to the technical fields of microstrip line form butler matrix, more particularly to a kind of to be based on uniform impedance resonance
The microstrip line butler matrix with band-pass filtering property of device.
Background technology
Due to the high speed development wirelessly communicated in recent years, either the universal of 3G technology, Internet of Things it is burning hot or 4G
It arrives, all indicate wireless technology and a booming peak period will be welcome.On the other hand, swift and violent with electronic information
The problems such as development, requirement of the people for communication quality is higher and higher, the interference of multipath fading and interchannel, also more seems heavy
It wants.The major technique solved these problems at present is to utilize beam switchover smart antenna, and butler matrix is as composition wave beam
The pith for switching smart antenna, can realize beam-forming network, therefore also become one of research hotspot in recent years.
Meanwhile in practical applications, in order to inhibit transmit signal undesire frequency and amplifier Intermodulation Interference, usually also need to cascade
One bandpass filter, this will cause the increasing of circuit size.If can be by butler matrix and band-pass filtering property collection
At in one structure, the size of circuit must can be greatly reduced, this also complies with the trend of device miniaturization.
More commonly used also eaily structure is intersected between input port and output port to butler matrix at present
The phase shifter for cascading three-dB coupler and special angle, enables the performance of butler matrix to reach expected index.
2013, O.M.Haraz et al. existed " IEEE International Conference on Ultra-
Wideband " on deliver entitled " Two-Layer Butterfly-Shaped 4 × 4Butler of Microstrip Matrix
For Ultra-Wideband Beam-Forming Applications " realize coupler using double-layer microstrip-line structure
With cross interconnected, the butler matrix that formation is one 4 × 4 of phase shifter.The structure is as shown in Fig. 1.
2013, Tong-Hong Lin et al. existed " IEEE TRANSACTIONS ON MICROWAVE THEORY AND
TECHNIQUES " on deliver entitled " 4 × 4ButlerMatrixUsing of Bandwidth Enhancement of
Broadband Forward-Wave DirectionalCoupler and Phase Difference Compensation ",
Using double panel structure, it is utilized respectively forward-wave direct-coupling and phase difference compensation technique realizes coupler and phase shifter, shape
At one 4 × 4 butler matrix.The structure is as shown in Fig. 2.
2015, M.J.Lancaster et al. existed " IEEE TRANSACTIONS ON MICROWAVE THEORY AND
TECHNIQUES " on deliver entitled " Advanced Butler Matrices with Integrated Bandpass
Filter Functions " realize band-pass filtering property using cavity resonator, real using the coupling between cavity resonator
Existing phase shift, forms one 2 × 2 butler matrix with filtering characteristic.The structure is as shown in Fig. 3.
Invention content
The shortcomings that it is an object of the invention to overcome the prior art with it is insufficient, provide a kind of based on uniform impedance resonator
Microstrip line butler matrix with band-pass filtering property, the butler matrix using input port and output port it
Between cascade resonator element structure, and by between resonator element be electrically coupled with magnetic-coupled combination, come realize output
Signal phase difference is 0 ° or 180 °, to which phase shifter structure be omitted, reduces the size of circuit, while cascade resonator list
Member can realize good band-pass filtering property.
The purpose of the invention is achieved by the following technical solution：
A kind of microstrip line butler matrix with band-pass filtering property based on uniform impedance resonator, with printed circuit
The mode of plate is produced on medium substrate 1,
The first input end feeder line head for being useful for input electromagnetic wave signal is made on the same face of the medium substrate respectively
P1 and the second input terminal feeder line head P2, the first output end feeder line head P3 for exporting electromagnetic wave signal and second output terminal feeder line
Head P4, the first port feeder line 2 being connected with the first input end feeder line head P1 are connected with the second input terminal feeder line head P2
Second port feeder line 5, be connected with the first output end feeder line head P3 third port feeder line 3, with the second output terminal
4, two groups connected feeder line head P4 of the 4th port feedline respectively left and right 9 and the 4th resonator 8 of the first resonator disposed in parallel with
And third resonator 6 and the second resonator 7；
First resonator 9 and the 4th resonator 8 and the third resonator 6 and second resonator 7
It is arranged in parallel up and down；The first port feeder line 2 and the 4th port feedline 4 are located at first resonator 9
With the outside of the 4th resonator 8, and the first port feeder line 2 and the second port feeder line 4 or so are arranged in parallel；
The third port feeder line 3 and the second port feeder line 5 are located at the third resonator 6 and second resonator 7
Outside, and the third port feeder line 3 and the second port feeder line 5 or so are arranged in parallel.
Further, first resonator 9, the 4th resonator 8, second resonator 7, the third resonance
Device 6 is half-wavelength uniform impedance resonator.
Further, first resonator 9 and the c-type resonator that the third resonator 6 is setting symmetrical above and below,
In, the opening direction of first resonator 9 is lower right, and the opening direction of the third resonator 6 is upper right side.
Further, the 4th resonator 8 and the U-shaped resonator that second resonator 7 is setting symmetrical above and below,
In, the opening direction of the 4th resonator 8 is top, and the opening direction of second resonator 7 is lower section.
Further, first resonator 9 and the third resonator 6, first resonator 9 and the described 4th are humorous
Shake to exist between device 8, the third resonator 6 and second resonator 7 and be electrically coupled, respectively by adjust above-mentioned resonator it
Between the first coupling gap 10, the second coupling gap 11, third coupling gap 12 size control the size that is electrically coupled.
Further, there are magnetic couplings between second resonator 7 and the 4th resonator 8, above-mentioned by adjusting
The size of the 4th coupling gap 13 between resonator controls magnetic-coupled size.
Further, when the first input end feeder line head P1 inputs electromagnetic wave signal, the first output end feeder line head
The signal phase of P3 and second output terminal feeder line head P4 outputs is equal.
Further, when the second input terminal feeder line head P2 inputs electromagnetic wave signal, the first output end feeder line head
The signal phase of P3 and second output terminal feeder line head P4 outputs differs 180 °.
Further, one end vertical connection of the first input end feeder line head P1 and the first port feeder line 2, it is described
One end vertical connection of second input terminal feeder line head P2 and the second port feeder line 5, the first output end feeder line head P3 with
One end vertical connection of the third port feeder line 3, the second output terminal feeder line head P4 and the one of the 4th port feedline 4
Hold vertical connection.
The present invention has the following advantages and effects with respect to the prior art：
1, three-dB coupler is replaced using uniform impedance resonator element, it is simple in structure, and realize bandpass filtering spy
Property.
2, phase shift is generated with magnetic-coupled combination of paths by being electrically coupled, not only eliminates the use of phase shifter, also protects
Preferable isolation is demonstrate,proved, circuit size greatly reduces.
3, since butler matrix is microstrip structure, light weight and cost is low, is suitble to industrial mass manufacture, so Butler
Matrix has advantage simple in structure, that design is easy, manufacturing cost is cheap.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of butler matrix disclosed in the prior art 1；
Fig. 2 is a kind of structural schematic diagram of butler matrix disclosed in the prior art 2；
Fig. 3 is a kind of structural schematic diagram of butler matrix disclosed in the prior art 3；
Fig. 4 is the microstrip line Butler square with band-pass filtering property proposed by the present invention based on uniform impedance resonator
The structural schematic diagram of battle array；
Fig. 5 is the microstrip line Butler square with band-pass filtering property proposed by the present invention based on uniform impedance resonator
The structure size schematic diagram of battle array；
Fig. 6 (a) be from the ports P1 input signal when butler matrix scattering parameter simulation result diagram；
Fig. 6 (b) be from the ports P2 input signal when butler matrix scattering parameter simulation result diagram；
Fig. 7 is the microstrip line Butler square with band-pass filtering property proposed by the present invention based on uniform impedance resonator
The phase of output signal differential of the ports P3 and the ports P4 of battle array is intended to；
Fig. 8 is the error of the simulation result and ideal phase of output signal difference of phase of output signal difference proposed by the present invention
Schematic diagram.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer and more explicit, develop simultaneously embodiment pair referring to the drawings
The present invention is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and do not have to
It is of the invention in limiting.
Embodiment
The present embodiment discloses a kind of microstrip line Butler square with band-pass filtering property based on uniform impedance resonator
Battle array is as shown in Figure 1, the microstrip line butler matrix is produced in the manner of a printed circuit board on double-sided copper-clad micro-strip plate 1, micro-strip
In addition plate is to cover copper earth plate on one side.In the structure chart of butler matrix in the present invention.
The first input end feeder line head for being useful for input electromagnetic wave signal is made on the same face of the medium substrate respectively
P1 and the second input terminal feeder line head P2, the first output end feeder line head P3 for exporting electromagnetic wave signal and second output terminal feeder line
Head P4, the first port feeder line 2 being connected with the first input end feeder line head P1 are connected with the second input terminal feeder line head P2
Second port feeder line 5, be connected with the first output end feeder line head P3 third port feeder line 3, with the second output terminal
4, two groups connected feeder line head P4 of the 4th port feedline respectively left and right 9 and the 4th resonator 8 of the first resonator disposed in parallel with
And third resonator 6 and the second resonator 7；
First resonator 9 and the 4th resonator 8 and the third resonator 6 and second resonator 7
It is arranged in parallel up and down；The first port feeder line 2 and the 4th port feedline 4 are located at first resonator 9
With the outside of the 4th resonator 8, and the first port feeder line 2 and the second port feeder line 4 or so are arranged in parallel；
The third port feeder line 3 and the second port feeder line 5 are located at the third resonator 6 and second resonance
The outside of device 7, and the third port feeder line 3 and the second port feeder line 5 or so are arranged in parallel.
Wherein, first resonator 9, the 4th resonator 8, second resonator 7, the third resonator 6
It is half-wavelength uniform impedance resonator.
Wherein, first resonator 9 and the c-type resonator that the third resonator 6 is setting symmetrical above and below, wherein
The opening direction of first resonator 9 is lower right, and the opening direction of the third resonator 6 is upper right side.
Meanwhile the 4th resonator 8 and second resonator 7 are the U-shaped resonator of setting symmetrical above and below, wherein
The opening direction of 4th resonator 8 is top, and the opening direction of second resonator 7 is lower section.
The external sort factor of bandpass filter can pass through the coupling between the length and feeder line resonator of change feeder line
It adjusts.First resonator 9 and the third resonator 6, first resonator 9 and the 4th resonator 8, described the
Exist between three resonators 6 and second resonator 7 and be electrically coupled, respectively by adjusting the first coupling between above-mentioned resonator
The size that the size control in gap 10, the second coupling gap 11, third coupling gap 12 is electrically coupled.
There are magnetic couplings between second resonator 7 and the 4th resonator 8, by between the above-mentioned resonator of adjusting
The size of the 4th coupling gap 13 control magnetic-coupled size.
When first input end feeder line head P1 input electromagnetic wave signal, the first output end feeder line head P3 and described the
The signal phase of two output end feeder line head P4 outputs is equal.
When the second input terminal feeder line head P2 input electromagnetic wave signal, the first output end feeder line head P3 and described the
The signal phase of two output end feeder line head P4 outputs differs 180 °.
One end vertical connection of the first input end feeder line head P1 and the first port feeder line 2, second input
Hold one end vertical connection of feeder line head P2 and the second port feeder line 5, the first output end feeder line head P3 and the third
One end vertical connection of port feedline 3, the second output terminal feeder line head P4 is vertical with described one end of 4th port feedline 4 to be connected
It connects.
The signal inputted from the ports first input end feeder line head P1, is coupled to the first resonator by first port feeder line 2
9, the 4th resonator 8 is then coupled to by being electrically coupled between the first resonator 9 and the 4th resonator 8, and signal is made to generate
90 ° of phase is advanced, and then the signal of the 4th resonator 8 is coupled to second output terminal feeder line head P4 by the 4th port feedline 4,
Therefore second output terminal feeder line head P4 can receive advanced 90 ° of the signal of phase；Meanwhile the first signal in resonator 9, also can
The phase for being coupled to third resonator 6 by being electrically coupled between the first resonator 9 and third resonator 6, and signal being made to generate 90 °
Position is advanced, and then the signal of third resonator 6 is coupled to the first output end feeder line head P3 by third port feeder line 3, therefore the
One output end feeder line head P3 can receive advanced 90 ° of the signal of phase；So the first output end feeder line head P3 and second output terminal
The port of feeder line head P4 can obtain all advanced 90 ° of the signal of phase, but their phase or equal.4th resonance simultaneously
Signal passes through the magnetic coupling and third resonance between the 4th resonator 8 and the second resonator 7 respectively in device 8 and third resonator 6
Being electrically coupled between device 6 and the second resonator 7 is coupled to the second resonator 7, and respectively generate 90 ° delayed phase and 90 °
Phase is advanced, then cancels out each other, therefore second there are two signal equal in magnitude, that phase difference is 180 ° in the second resonator 7
Input terminal feeder line head P2 port output signal very littles, therefore there is higher isolation between two input ports.
The signal inputted from the second ports input terminal feeder line head P2, is coupled to the second resonator by second port feeder line 5
7, the 4th resonator 8 is then coupled to by the magnetic coupling between the second resonator 7 and the 4th resonator 8, and signal is made to generate
90 ° of delayed phase, then the signal of the 4th resonator 8 second output terminal feeder line head P4 is coupled to by the 4th port feedline 4,
Therefore second output terminal feeder line head P4 can receive the signal of 90 ° of delayed phase；Meanwhile the second signal in resonator 7, also can
The phase for being coupled to third resonator 6 by being electrically coupled between the second resonator 7 and third resonator 6, and signal being made to generate 90 °
Position is advanced, and then the signal of third resonator 6 is coupled to the first output end feeder line head P3 by third port feeder line 3, therefore the
One output end feeder line head P3 can receive advanced 90 ° of the signal of phase；So the first output end feeder line head P3 and second output terminal
The port of feeder line head P4 can respectively obtain 90 ° of delayed phase and advanced 90 ° of the signal of phase, therefore their phase differs 180 °.
While signal passes through the thermocouple between the 4th resonator 8 and the first resonator 9 respectively in the 4th resonator 8 and third resonator 6
Being electrically coupled between conjunction and third resonator 6 and the first resonator 9 is coupled to the first resonator 9, and all generates 90 ° of phase
In advance, there are two equal in magnitude therefore in the first resonator 9, phase difference is 180 °, is cancelled out each other, therefore first input end feeder line
Head P1 port output signal very littles, have higher isolation.This four ports are 50 ohm of matching impedance.
Fig. 5 is Butler matrix structure scale diagrams proposed by the present invention.The structure chart is symmetrical.
Butler matrix is emulated using three-dimensional artificial software ZELAND IE3D, the Butler square that the present invention designs
The relative dielectric constant for the micro-strip substrate that battle array uses is 2.55, and the main structure parameters of medium level 0.8, filter are：L1
=12.85mm, L2=17.20mm, L3=5.00mm, L4=11.10mm, L5=11.57mm, L6=5.63mm, L7=8.30mm,
L8=13.95mm, W1=0.7mm, W2=1mm, W3=1mm, S1=0.20mm, S2=0.89mm, S3=1.83mm, S4=
1.58mm,S5=0.35mm.
Fig. 6 (a) and Fig. 6 (b) show respectively from the ports P1 and the ports P2 input signal when butler matrix scattering parameter
The centre frequency of simulation result, band-pass filtering property is respectively 2.4Ghz, and horizontal axis indicates the letter of butler matrix in the present invention
Number frequency, the longitudinal axis indicate amplitude, including insertion loss (S31、S41、S32、S42) amplitude, return loss (S11, S22) amplitude with
And isolation (S21, S12) amplitude, wherein S11, S22The return loss of port1 and port2, S are indicated respectively31Indicate port1 and
The insertion loss of port3, S41Indicate the insertion loss of port1 and port4, S32Indicate the insertion loss of port2 and port3, S42
Indicate the insertion loss of port2 and port4.The input power of insertion loss one signal of expression is defeated with another port signal
Go out the relationship between power, corresponding mathematical function is：Output power/input power (dB)=20*log | S21|.Echo damages
Consumption indicates that the relationship between the input power and the reflection power of signal of the port signal, corresponding mathematical function are as follows：Instead
Penetrate power/incident power==20*log | S11|。
In the passband of 2.4Ghz, return loss S11And S22Absolute value be more than 17dB, insertion loss S31、S41、S32With
S42Absolute value be respectively less than 4dB.In terms of frequency range from 1.8 to 3Ghz, the isolation S of butler matrix12And S21Absolute value
More than 36dB.
Fig. 7 show butler matrix the ports P3 and the ports P4 phase of output signal it is poor, horizontal axis indicate the present invention in
The signal frequency of butler matrix, the longitudinal axis indicate angle.In the passband of bandpass filter, when signal is inputted from the ports P1,
Two of substantially equal signals of phase can be received in the ports P3 and the ports P4；When signal is inputted from the ports P2, Ke Yi
The ports P3 and the ports P4 receive two signals that phase difference is about 180 °.Fig. 8 shows the emulation knot of phase of output signal difference
The error of fruit and ideal phase of output signal difference.As shown in Fig. 8, in the passband of bandpass filter, the phase of output signal
The error of potential difference is less than 5 °.
In conclusion a kind of design scheme for butler matrix with band-pass filtering property that the present embodiment proposes, profit
With the uniform impedance resonator structure of four half wavelength of combination, and it is each between resonator and other two resonators
In the presence of being electrically coupled or magnetic coupling, the phase difference that output signal generates 0 ° or 180 ° is made by the combination of coupling path.With design
Flexibly, small, at low cost, isolation is high, and filtering characteristic is good, the small feature of phase of output signal mistake difference.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, it is other it is any without departing from the spirit and principles of the present invention made by changes, modifications, substitutions, combinations, simplifications,
Equivalent substitute mode is should be, is included within the scope of the present invention.
Claims (3)
1. a kind of microstrip line butler matrix with band-pass filtering property based on uniform impedance resonator, with printed circuit board
Mode be produced on medium substrate (1), it is characterised in that：
On the same face of the medium substrate respectively make be useful for input electromagnetic wave signal first input end feeder line head P1 and
Second input terminal feeder line head P2, the first output end feeder line head P3 for exporting electromagnetic wave signal and second output terminal feeder line head
P4, the first port feeder line (2) being connected with the first input end feeder line head P1 are connected with the second input terminal feeder line head P2
Second port feeder line (5), be connected with the first output end feeder line head P3 third port feeder line (3), with it is described second defeated
Connected outlet feeder line head P4 the 4th port feedline (4), two groups of left and right first resonators (9) disposed in parallel and the 4th humorous respectively
Shake device (8) and third resonator (6) and the second resonator (7)；
First resonator (9) and the 4th resonator (8) and the third resonator (6) and second resonator
(7) it is arranged in parallel up and down；The first port feeder line (2) and the 4th port feedline (4) are located at first resonance
The outside of device (9) and the 4th resonator (8), and the first port feeder line (2) and the second port feeder line (4) are left
The right side is arranged in parallel；The third port feeder line (3) and the second port feeder line (5) are located at the third resonator (6)
With the outside of second resonator (7), and the third port feeder line (3) and the second port feeder line (5) left and right are flat
Row setting；
First resonator (9), the 4th resonator (8), second resonator (7), the third resonator (6) are equal
For half-wavelength uniform impedance resonator；
First resonator (9) and the third resonator (6) are the c-type resonator of setting symmetrical above and below, wherein described the
The opening direction of one resonator (9) is lower right, and the opening direction of the third resonator (6) is upper right side；
4th resonator (8) and second resonator (7) are the U-shaped resonator of setting symmetrical above and below, wherein described the
The opening direction of four resonators (8) is top, and the opening direction of second resonator (7) is lower section；
First resonator (9) and the third resonator (6), first resonator (9) and the 4th resonator
(8), exist between the third resonator (6) and second resonator (7) and be electrically coupled, respectively by adjusting above-mentioned resonator
Between the first coupling gap (10), the second coupling gap (11), third coupling gap (12) size control be electrically coupled it is big
It is small；
There are magnetic couplings between second resonator (7) and the 4th resonator (8), by between the above-mentioned resonator of adjusting
The size of the 4th coupling gap (13) control magnetic-coupled size.
2. the microstrip line Butler square with band-pass filtering property according to claim 1 based on uniform impedance resonator
Battle array, which is characterized in that when inputting electromagnetic wave signal from the first input end feeder line head P1 or the second input terminal feeder line head P2
When, the signal of the first output end feeder line head P3 and second output terminal feeder line head P4 outputs has identical second order
Filtering characteristic, while another input feed head is in isolation, the first input end feeder line head P1 inputs electromagnetic wave letter
Number when, the first output end feeder line head P3 and the second output terminal feeder line head P4 output signal in filter passband phase
Position is equal with amplitude；When the second input terminal feeder line head P2 input electromagnetic wave signal, the first output end feeder line head P3 and
The signal amplitude of the second output terminal feeder line head P4 outputs is equal, and phase differs 180 °.
3. the microstrip line Butler square with band-pass filtering property according to claim 1 based on uniform impedance resonator
Battle array, which is characterized in that
One end vertical connection of the first input end feeder line head P1 and the first port feeder line (2), second input terminal
One end vertical connection of feeder line head P2 and the second port feeder line (5), the first output end feeder line head P3 and the third
One end vertical connection of port feedline (3), the second output terminal feeder line head P4 and one end of the 4th port feedline (4) are hung down
It is direct-connected to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610383314.3A CN105914469B (en) | 2016-06-01 | 2016-06-01 | The microstrip line butler matrix with band-pass filtering property based on uniform impedance resonator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610383314.3A CN105914469B (en) | 2016-06-01 | 2016-06-01 | The microstrip line butler matrix with band-pass filtering property based on uniform impedance resonator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105914469A CN105914469A (en) | 2016-08-31 |
| CN105914469B true CN105914469B (en) | 2018-09-14 |
Family
ID=56741970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610383314.3A Expired - Fee Related CN105914469B (en) | 2016-06-01 | 2016-06-01 | The microstrip line butler matrix with band-pass filtering property based on uniform impedance resonator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105914469B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108879098B (en) * | 2018-06-11 | 2024-01-26 | 华南理工大学 | Microstrip line 2 x 4butler matrix with band-pass filtering characteristic |
| CN109586020A (en) * | 2018-12-05 | 2019-04-05 | 广东工业大学 | A kind of circularly-polarized patch antenna |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101038979A (en) * | 2006-03-16 | 2007-09-19 | 中国科学院上海微系统与信息技术研究所 | Compensation type helix microstrip resonant unit and branch line coupler |
| CN102130662A (en) * | 2010-10-20 | 2011-07-20 | 许河秀 | Fractal and composite right/left-handed transmission line-based miniature double-frequency microstrip rat-race coupler |
| CN102394333A (en) * | 2011-10-27 | 2012-03-28 | 电子科技大学 | Filtering directional coupler with adjustable frequency |
| CN104409811A (en) * | 2014-11-26 | 2015-03-11 | 华南理工大学 | Switchable plane surface bandpass-bandstop filter |
| US20150244072A1 (en) * | 2012-09-11 | 2015-08-27 | Alcatel Lucent | Multiband antenna with variable electrical tilt |
| CN205723953U (en) * | 2016-06-01 | 2016-11-23 | 华南理工大学 | The microstrip line butler matrix with band-pass filtering property based on uniform impedance resonator |
-
2016
- 2016-06-01 CN CN201610383314.3A patent/CN105914469B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101038979A (en) * | 2006-03-16 | 2007-09-19 | 中国科学院上海微系统与信息技术研究所 | Compensation type helix microstrip resonant unit and branch line coupler |
| CN102130662A (en) * | 2010-10-20 | 2011-07-20 | 许河秀 | Fractal and composite right/left-handed transmission line-based miniature double-frequency microstrip rat-race coupler |
| CN102394333A (en) * | 2011-10-27 | 2012-03-28 | 电子科技大学 | Filtering directional coupler with adjustable frequency |
| US20150244072A1 (en) * | 2012-09-11 | 2015-08-27 | Alcatel Lucent | Multiband antenna with variable electrical tilt |
| CN104409811A (en) * | 2014-11-26 | 2015-03-11 | 华南理工大学 | Switchable plane surface bandpass-bandstop filter |
| CN205723953U (en) * | 2016-06-01 | 2016-11-23 | 华南理工大学 | The microstrip line butler matrix with band-pass filtering property based on uniform impedance resonator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105914469A (en) | 2016-08-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103413995B (en) | Based on the C-band high-performance balance filter of LTCC technology | |
| KR102046408B1 (en) | A power divider with enhanced selectivity performance | |
| CN103825076B (en) | Sheet type LTCC miniaturized 3dB directional coupler | |
| CN208189756U (en) | A kind of novel 3dB directional coupler | |
| CN103326093A (en) | Novel cross coupling substrate integrated waveguide band-pass filter | |
| CN103700917A (en) | Gysel power distribution filter with high power distribution ratio | |
| CN104681900B (en) | The high-isolation duplexer of electromagnetism branch coupling | |
| CN110098454B (en) | Single-body double-path balanced filter and radio frequency front-end circuit | |
| CN103730709A (en) | Double belt filter based on composite right and left hand and complementary split ring resonator defected ground of substrate integrated waveguide | |
| CN103811833B (en) | Be applied to the height isolation line of rabbet joint duplexer of ultra wide band channel and narrowband channels | |
| CN105990629A (en) | Broadband three-mode Balun band-pass filter based on E multi-mode resonators | |
| CN105304982A (en) | Tapped feed dual-mode Balun band-pass filter | |
| CN105914468B (en) | The microstrip line butler matrix with band-pass filtering property of resonator is loaded based on minor matters | |
| CN107742767A (en) | Fin line type orthomode coupler based on double ridge ledge structures | |
| CN108598654A (en) | A kind of coupler integrating gap waveguide based on substrate | |
| CN105914469B (en) | The microstrip line butler matrix with band-pass filtering property based on uniform impedance resonator | |
| CN101694898A (en) | Bimodule annular resonant cavity band-pass filter with direct feed planar structure | |
| CN103779640B (en) | Micro-band double-passband filter | |
| CN105932378B (en) | A kind of plane that bandwidth is controllable tunable band-pass-bandstop filter | |
| CN105489980A (en) | High-isolation low-pass and band-pass triplexer | |
| CN104134836B (en) | A kind of plane duplexer based on quarter-wave short-circuited feeder | |
| CN101217209B (en) | A substrate integration waveguide multi-mode filter based on square high order cavity | |
| CN205723953U (en) | The microstrip line butler matrix with band-pass filtering property based on uniform impedance resonator | |
| CN105826640A (en) | Multi-mode resonator based dual-mode balun bandpass filter | |
| CN205723954U (en) | The microstrip line butler matrix with band-pass filtering property of resonator is loaded based on minor matters |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180914 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |