CN110474138A - A kind of restructural function filter-divider - Google Patents
A kind of restructural function filter-divider Download PDFInfo
- Publication number
- CN110474138A CN110474138A CN201910807716.5A CN201910807716A CN110474138A CN 110474138 A CN110474138 A CN 110474138A CN 201910807716 A CN201910807716 A CN 201910807716A CN 110474138 A CN110474138 A CN 110474138A
- Authority
- CN
- China
- Prior art keywords
- quarter
- line
- resonance device
- wave resonance
- feeder line
- 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.)
- Granted
Links
- 239000000758 substrate Substances 0.000 claims abstract description 27
- 238000002955 isolation Methods 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 230000008878 coupling Effects 0.000 claims description 18
- 238000010168 coupling process Methods 0.000 claims description 18
- 238000005859 coupling reaction Methods 0.000 claims description 18
- 238000001914 filtration Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/201—Filters for transverse electromagnetic waves
- H01P1/203—Strip line filters
-
- 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
- H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The invention discloses a kind of restructural function filter-dividers, including medium substrate, the medium substrate bottom surface is equipped with metal ground plate, input port feeder line, the first output port feeder line and second output terminal mouth feeder line are respectively equipped on medium substrate, it is equipped with multimode resonator between the input port feeder line and the first output port feeder line, second output terminal mouth feeder line, isolation resistance is equipped between the first output port feeder line and second output terminal mouth feeder line.The input port feeder line includes 50 ohm microstrip conduction bands, impedance matching line and wavelength main transmission line, 50 ohm microstrip conduction band one end extend to the side of medium substrate, the other end connects with impedance matching line, and the impedance matching line other end is connect with wavelength main transmission line.
Description
Technical field
The present invention relates to microwave passive component technical field, especially a kind of restructural function filter-divider.
Background technique
Power splitter and filter are indispensable two kinds of passive devices in modern wireless communication systems.In systems, it
Be usually to be concatenated together, this often leads to big circuit size and high insertion loss.In order to solve this problem, by function
Device and bandpass filter is divided to be integrated into a component, i.e. function filter-divider (Filtering Power Diver, FPD), simultaneously
Realize the function of specified power distribution/combination and frequency selectivity.In addition, with the development of modern wireless communication systems, it is right
The demand of reconfigurable microwave device with multifunctional characteristics is also increasing.However, the research of restructural function filter-divider is but
Seldom.
Document 1 [H.Zhu, A.M.Abbosh, and L.Guo, " Planar In-Phase Filtering Power
Divider With Tunable Power Division and Controllable Band for Wireless
Communication Systems,”IEEE Transactionson Components,Packagingand
Manufacturing Technology, vol.8, no.8, pp.1458-1468, Aug.2018] FPD it is reconstitution be by
Load what branch realized with varactor on the impedance transformer of the λ of Wilkinson power divider/4.But regulable center frequency is humorous
The shortage of property limits its application.
Document 2 [C.F.Chen, C.-Y.Lin, B.-H.Tseng, and S.-F.Chang, " Compact microstrip
electronically tunable power divider with Chebyshevbandpass response,”IEEE
Microwave Conference, vol.pp.1291-1293, Nov.2014] and document 3 [L.Gao, X.Y.Zhang, and
Q.Xue,“Compact Tunable Filtering Power Divider With Constant Absolute
Bandwidth,”IEEE Transactions on Microwave Theory and Techniques,vol.63,no.10,
Pp.3505-3513, Oct.2015] the turnable resonator structure substitution impedance transformer of λ/4 of varactor is loaded with using a pair
Design come realize can Power Regulation filter-divider, although highly selective or succinct topology knot in the designs can be obtained
Structure, but these designs can not change bandwidth.
Document 4 [P.L.Chi and T.Yang, " 1.3-2.08GHz Filtering Power Divider With of A
Bandwidth Control and High In-Band Isolation,”IEEE Microwave&Wireless
Components Letters, vol.26, no.6, pp.407-409, May.2016] three ports are inputted into tuning network and two
Second order filter combines, and proposes a kind of high isolation FPD based on varactor.However, excessive varactor (12
It is a) participation cause this design to become sufficiently complex.
Summary of the invention
Goal of the invention: a kind of restructural the technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide
Function filter-divider.
In order to solve the above-mentioned technical problem, the invention discloses a kind of restructural function filter-divider, including medium substrate, institutes
It gives an account of matter substrate bottom surface and is equipped with metal ground plate, be respectively equipped with input port feeder line, the first output port feeder line on medium substrate
With second output terminal mouth feeder line, set between the input port feeder line and the first output port feeder line, second output terminal mouth feeder line
There is multimode resonator, isolation resistance is equipped between the first output port feeder line and second output terminal mouth feeder line.
In the present invention, the input port feeder line includes 50 ohm microstrip conduction bands, impedance matching line and the main transmission of wavelength
Line, 50 ohm microstrip conduction band one end extend to the side of medium substrate, and the other end connects with impedance matching line, impedance matching line
The other end is connect with wavelength main transmission line.
In the present invention, the first output port feeder line includes sequentially connected one 50 ohm microstrip conduction band, first
Impedance matching line and the first coupling output line, the one 50 ohm microstrip conduction band is parallel with the first coupling output line, the first impedance
Matched line is L-type structure.
In the present invention, the second output terminal mouth feeder line includes sequentially connected 2nd 50 ohm microstrip conduction band, second
Impedance matching line and the second coupling output line, the 2nd 50 ohm microstrip conduction band is parallel with the second coupling output line, the second impedance
Matched line is L-type structure.
In the present invention, the multimode resonator is humorous including the first quarter-wave resonance device, the second quarter-wave
Shake device, third quarter-wave resonance device and the 4th quarter-wave resonance device；
First quarter-wave resonance device and the second quarter-wave resonance device are located at same straight line, the three or four/
One wave resonator and the 4th quarter-wave resonance device are located at same straight line；
First quarter-wave resonance device, the second quarter-wave resonance device and third quarter-wave resonance
Device, the 4th quarter-wave resonance device are vertical；
First quarter-wave resonance device, the second quarter-wave resonance device, third quarter-wave resonance device
It is connected with each other with the 4th quarter-wave resonance device by disresonance node.
In the present invention, the first quarter-wave resonance device end connects the first transfiguration two by the first capacitance
Pole pipe, the first quarter-wave resonance device end connect the first DC voltage load(ing) point by the first current-limiting resistance；
The second quarter-wave resonance device end by the second capacitance connect the second varactor, second
Quarter-wave resonance device end connects the second DC voltage load(ing) point by the second current-limiting resistance；
The third quarter-wave resonance device end connects third varactor, third by third capacitance
Quarter-wave resonance device end connects third DC voltage load(ing) point by third current-limiting resistance；
The 4th quarter-wave resonance device end by the 4th capacitance connect the 4th varactor, the 4th
Quarter-wave resonance device end connects the 4th DC voltage load(ing) point by the 4th current-limiting resistance.
In the present invention, first varactor bottom is connected to metal ground plate by the first earthing rod；
Second varactor bottom is connected to metal ground plate by the second earthing rod；
Third varactor bottom is connected to metal ground plate by third earthing rod；
4th varactor bottom is connected to metal ground plate by the 4th earthing rod.
In the present invention, the first coupling of isolation resistance connection output line endpoint couples output line endpoint with second.
Detailed description of the invention
The present invention is done with reference to the accompanying drawings and detailed description and is further illustrated, of the invention is above-mentioned
And/or otherwise advantage will become apparent.
Fig. 1 is a kind of schematic perspective view of restructural function filter-divider of the present invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the structure size schematic diagram of embodiment 1.
Fig. 4 a is the S parameter analogous diagram one of embodiment 1.
Fig. 4 b is the S parameter analogous diagram two of embodiment 1.
Fig. 5 a is the matching properties and isolation characteristic S parameter analogous diagram of the first output port feeder line of embodiment 1.
Fig. 5 b is the matching properties and isolation characteristic S parameter analogous diagram of the second output terminal mouth feeder line of embodiment 1.
In Fig. 1, input port feeder line 1, the first output port feeder line 2, second output terminal mouth feeder line 3, the load of the first minor matters
Type multimode resonator 4, the second minor matters loaded type multimode resonator 5, isolation resistance 6, polygonal medium substrate 7, metal ground plate
8,50 ohm microstrip conduction bands 11, impedance matching line 12, the 13, a 1st ohm microstrip conduction band 21 of wavelength main transmission line,
First terminal open circuit minor matters 22, the first coupling the 23, the 2nd 50 ohm microstrip conduction band 31 of output line, second terminal open circuit minor matters
32, the second coupling output line 33, the first half wave resonator 41, the first plane of symmetry minor matters loading unit 42, second pair
Title face minor matters loading unit 43, the second half wave resonator 51, third plane of symmetry minor matters loading unit 52, the 4th is symmetrical
Face minor matters loading unit 53.
Specific embodiment
Embodiment 1:
As shown in Figure 1 and Figure 2, a kind of restructural function filter-divider is present embodiments provided, including lower surface connects equipped with metal
The Rectangular Enclosure with Participating Media substrate 7 on floor 8 is equipped with input port feeder line 1, the first output end in the upper surface of the Rectangular Enclosure with Participating Media substrate 7
Mouth feeder line 2 and second output terminal mouth feeder line 3, the first output port feeder line 2 lean on respectively with the second output terminal mouth feeder line 3
The same short side of the nearly Rectangular Enclosure with Participating Media substrate 7, the first output port feeder line 2 and second output terminal mouth feeder line 3 with
It is equipped with multimode resonator 4 between input port feeder line 1, respectively loads the first transfiguration two in four ports of the multimode resonator 4
Pole pipe 51, the second varactor 52, third varactor 53 and the 4th varactor 54.In first output port
Isolation resistance 65 is equipped between feeder line 2 and second output terminal mouth feeder line 3.
The polygonal medium substrate 7 is rectangle, and the short side center line about rectangle is symmetrical.
The input port feeder line 1 includes 50 ohm microstrip conduction bands 11, impedance matching line 12 and a main transmission of wavelength
Line 13, described 50 ohm microstrip conduction band, 11 1 end faces connect with impedance matching line 12, and other end is in Rectangular Enclosure with Participating Media substrate 7
The upper bottom surface of short side, the ohm microstrip of impedance matching line 12 and 50 conduction band 11 are connected with the end face of a wavelength main transmission line 13.
The first output port feeder line 2 includes the one 50 ohm microstrip conduction band 21, the first impedance matching line 22 and the
One coupling output line 23, described one 50 ohm microstrip conduction band, 21 one end are located at one side of the short side of Rectangular Enclosure with Participating Media substrate 7, separately
One end connects with the short side end face of the first impedance matching line 22 of L-shaped bending, the L-type long side of the first impedance matching line 22
With Rectangular Enclosure with Participating Media substrate 7 vertically adjacent to short side it is parallel, and be directed toward the plane of symmetry of polygonal medium substrate 7；First coupling
Close the L-type long side endface that output line 23 is vertically connected to the first impedance matching line 22.
The second output terminal mouth feeder line 3 includes the 2nd 50 ohm microstrip conduction band 31, the second impedance matching line 32 and the
Two coupling output lines 33, described 2nd 50 ohm microstrip conduction band, 31 one end are located at one side of the short side of Rectangular Enclosure with Participating Media substrate 7, separately
One end connects with the short side end face of the second impedance matching line 32 of L-shaped bending, the L-type long side of the second impedance matching line 32
With Rectangular Enclosure with Participating Media substrate 7 vertically adjacent to short side it is parallel, and be directed toward the plane of symmetry of polygonal medium substrate 7；Second coupling
Close the L-type long side endface that output line 33 is vertically connected to the second impedance matching line 32.
The multimode resonator 4 is located at 7 center of Rectangular Enclosure with Participating Media substrate.The multimode resonator 4 is presented in the first output port
Between line 2 and second output terminal mouth feeder line 3 and input port feeder line 1.
The multimode resonator 4 include the first quarter-wave resonance device 41, the second quarter-wave resonance device 42,
Third quarter-wave resonance device 43 and the 4th quarter-wave resonance device 44 are connected with each other by disresonance node 45.It is described
First varactor 51, the second varactor 52, third varactor 53 and the 4th varactor 54 pass through first
Capacitance 91, the second capacitance 92, third capacitance 93 and the 4th capacitance 94 are connected to the first quarter-wave
Long resonator 41, the second quarter-wave resonance device 42, third quarter-wave resonance device 43 and the 4th quarter-wave
Long 44 endface of resonator, 51 bottom of the first varactor are connected to metal ground plate 8 by the first earthing rod 111；Second
52 bottom of varactor is connected to metal ground plate 8 by the second earthing rod 112；53 bottom of third varactor passes through the
Three earthing rods 113 are connected to metal ground plate 8；4th varactor, 54 bottom is connected to metal by the 4th earthing rod 114
Earth plate 8.And pass through the first current-limiting resistance 61, the second current-limiting resistance 62, third current-limiting resistance 63 and the 4th current-limiting resistance 64
Respectively correspond with the first DC voltage load(ing) point 101, the second DC voltage load(ing) point 102, third DC voltage load(ing) point 103 and
4th DC voltage load(ing) point 104 connection, to load bias voltage to corresponding varactor.
The isolation resistance 65 is connected to the first coupling output line 23 and couples at 33 endpoint of output line with second.
First quarter-wave resonance device 41 of multimode resonator 4 and the length of the second quarter-wave resonance device 42
The position of two transmission zeros and a pole, the third quarter-wave resonance device of multimode resonator 4 are determined with width
43 and the 4th the length and width of quarter-wave resonance device 44 determine the positions of two poles, adjust multimode resonator 4
The first quarter-wave resonance device 41, the second quarter-wave resonance device 42, third quarter-wave resonance device 43
It can change the bandwidth and centre frequency of initial passband with the length and width of the 4th quarter-wave resonance device 44；Pass through
It is straight to change the first DC voltage load(ing) point 101, the second DC voltage load(ing) point 102, third DC voltage load(ing) point 103 and the 4th
Galvanic electricity presses the DC voltage value of load(ing) point 104, make to load multimode resonator 4 the first quarter-wave resonance device 41, the
Two quarter-wave resonance devices 42, third quarter-wave resonance device 43 and 44 endpoint of the 4th quarter-wave resonance device
The first varactor 51, the second varactor 52, third varactor 53 and the 4th varactor 54 it is equivalent
Its resonance frequency can be changed in the capacitance of capacitor, to change bandwidth and centre frequency；In addition, isolation resistance 65 is exported to two
The isolation of port is affected, and adjusts the size of isolation resistance resistance value, can get optimal isolation degree.
The present embodiment in manufacture by printed-circuit board manufacturing technology to circuit substrate front and the back side metal covering into
Row processing corrosion, thus the metal pattern needed for being formed, structure is simple, can realize on monolithic pcb board, easy to process integrated.
Meanwhile the present invention obtains good power point using the resonance mechanism of multimode resonator and the electric field distribution characteristic of main transmission line
With characteristic and filtering characteristic, by cleverly in the indirect isolation resistance of resonator, obtaining good port isolation characteristic.This
Invention loads varactor using multimode resonator, has extensive centre frequency and bandwidth tuning range.Due to the present invention
Restructural function filter-divider utilize output coupling line indirect isolation resistance, isolation is good, be suitable for Modern wireless communication system
System.And the same filtering part is shared by doubleway output, the usage quantity of varactor can on the one hand reduced, separately
On the one hand it is reduced in size, reduces production cost.Present invention is further described in detail below.
The structure of embodiment 1 as shown in Figure 1, top view as shown in Fig. 2, related dimensions is as shown in Figure 3.It is used
7 relative dielectric constant of medium substrate is 3.55, with a thickness of 0.508mm, loss angle tangent 0.0027.In conjunction with Fig. 3, restructural function
Each dimensional parameters of filter-divider are as follows: L1=13.8mm, L2=15.1mm, L3=12mm, L4=13.8mm, L5=10.6mm,
L0=5mm, W0=1.18mm, W1=0.32mm, W2=1.4mm, W3=0.54mm, g1=0.1mm, g2=0.1mm, R0=160
Ω, Rb=10k Ω, Cb=100pF.Varactor model: D1、D3And D4For SMV2019, D2For SMV1248.Restructural function point
Filter does not include that the gross area of 50 ohm microstrip conduction bands is 40.2 × 20.4mm2, corresponding guide wavelength is having a size of 0.37 λg×
0.19λg, wherein λgFor the length of lowest center frequency 1.5GHz waveguide.
The restructural filter-divider of this example function is to combine modeling in electromagnetic simulation software HFSS.13.0 and ADS2017 to imitate
Really.Fig. 4 a and Fig. 4 b are the S parameter analogous diagrams of restructural function filter-divider in this example, it can be seen from the figure that this can be weighed
The adjustable extent of the passband central frequency of structure function filter-divider is 1.5GHz-1.91GHz, the passband when centre frequency is 1.7GHz
The adjustable extent of bandwidth is 80MHz-300 MHz, and return loss is lower than 18dB in passband, and minimum insertion loss is 1.8dB.
Fig. 5 is the S of two power output port matching properties and isolation characteristic of restructural function filter-divider in this example
Parameters simulation figure leads to it can be seen from the figure that the output port return loss in the example function filter-divider passband is lower than 18dB
It is better than 18dB with interior isolation.
In conclusion a kind of highly selective broadband function filter-divider of the present embodiment, in conjunction with minor matters loaded type multimode resonance
The Field distribution characteristic of device and a wavelength open end transmission line utilizes the indirect isolation resistance of resonator, output end load open circuit
Minor matters share same filtering part, realize it is a kind of it is compact-sized, loss is low, selectivity is high, isolation is good, diode uses
Quantity is few, broadband function filter-divider with preferable Out-of-band rejection performance, which is highly suitable for modern channel radio
Letter system.
The present invention provides the thinking and method of a kind of restructural function filter-divider, the method for implementing the technical solution
It is many with approach, the above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill of the art
For personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.All undefined components in this embodiment can be implemented in the prior art.
Claims (8)
1. a kind of restructural function filter-divider, which is characterized in that including medium substrate (7), medium substrate (7) bottom surface is equipped with
Metal ground plate (8) is respectively equipped with input port feeder line (1), the first output port feeder line (2) and second on medium substrate (7)
Output port feeder line (3), the input port feeder line (1) and the first output port feeder line (2), second output terminal mouth feeder line (3)
Between be equipped with multimode resonator (4), between the first output port feeder line (2) and second output terminal mouth feeder line (3) equipped with every
From resistance (65).
2. a kind of restructural function filter-divider according to claim 1, which is characterized in that the input port feeder line (1)
Including 50 ohm microstrip conduction bands (11), impedance matching line (12) and wavelength main transmission line (13), 50 ohm microstrip conduction bands
(11) one end extends to the side of medium substrate (7), and the other end connects with impedance matching line (12), and impedance matching line (12) is another
End is connect with wavelength main transmission line (13).
3. a kind of restructural function filter-divider according to claim 2, which is characterized in that the first output port feeder line
It (2) include sequentially connected one 50 ohm microstrip conduction band (21), the first impedance matching line (22) and the first coupling output line
(23), the one 50 ohm microstrip conduction band (21) is parallel with the first coupling output line (23), and the first impedance matching line (22) is L-type
Structure.
4. a kind of restructural function filter-divider according to claim 3, which is characterized in that the second output terminal mouth feeder line
It (3) include sequentially connected 2nd 50 ohm microstrip conduction band (31), the second impedance matching line (32) and the second coupling output line
(33), the 2nd 50 ohm microstrip conduction band (31) is parallel with the second coupling output line (33), and the second impedance matching line (32) is L-type
Structure.
5. a kind of restructural function filter-divider according to claim 4, which is characterized in that multimode resonator (4) packet
Include the first quarter-wave resonance device (41), the second quarter-wave resonance device (42), third quarter-wave resonance
Device (43) and the 4th quarter-wave resonance device (44)；
First quarter-wave resonance device (41) and the second quarter-wave resonance device (42) are located at same straight line, and the three or four
/ mono- wave resonator (43) and the 4th quarter-wave resonance device (44) are located at same straight line；
First quarter-wave resonance device (41), the second quarter-wave resonance device (42) and third quarter-wave are humorous
Vibration device (43), the 4th quarter-wave resonance device (44) are vertical；
First quarter-wave resonance device (41), the second quarter-wave resonance device (42), third quarter-wave are humorous
It shakes device (43) and the 4th quarter-wave resonance device (44) is connected with each other by disresonance node (45).
6. a kind of restructural function filter-divider according to claim 5, which is characterized in that first quarter-wave
Resonator (41) end passes through the first capacitance (91) connection the first varactor (51), the first quarter-wave resonance
Device (41) end connects the first DC voltage load(ing) point (101) by the first current-limiting resistance (61)；Second quarter-wave
By the second capacitance (92) connection the second varactor (52), the second quarter-wave is humorous for long resonator (42) end
Vibration device (42) end connects the second DC voltage load(ing) point (102) by the second current-limiting resistance (62)；
The third quarter-wave resonance device (43) end connects third varactor by third capacitance (93)
(53), third quarter-wave resonance device (43) end connects third DC voltage load(ing) point by third current-limiting resistance (63)
(103)；
The 4th quarter-wave resonance device (44) end connects the 4th varactor by the 4th capacitance (94)
(54), the 4th quarter-wave resonance device (44) end connects the 4th DC voltage load(ing) point by the 4th current-limiting resistance (64)
(104)。
7. a kind of restructural function filter-divider according to claim 6, which is characterized in that first varactor
(51) bottom is connected to metal ground plate (8) by the first earthing rod (111)；
Second varactor (52) bottom is connected to metal ground plate (8) by the second earthing rod (112)；
Third varactor (53) bottom is connected to metal ground plate (8) by third earthing rod (113)；
4th varactor (54) bottom is connected to metal ground plate (8) by the 4th earthing rod (114).
8. a kind of restructural function filter-divider according to claim 4, which is characterized in that isolation resistance (65) connection
First coupling output line (23) endpoint couples output line (33) endpoint with second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910807716.5A CN110474138B (en) | 2019-08-29 | 2019-08-29 | Reconfigurable power division filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910807716.5A CN110474138B (en) | 2019-08-29 | 2019-08-29 | Reconfigurable power division filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110474138A true CN110474138A (en) | 2019-11-19 |
| CN110474138B CN110474138B (en) | 2021-01-08 |
Family
ID=68513976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910807716.5A Active CN110474138B (en) | 2019-08-29 | 2019-08-29 | Reconfigurable power division filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110474138B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111490320A (en) * | 2020-04-21 | 2020-08-04 | 南京智能高端装备产业研究院有限公司 | Reconfigurable power division filter |
| CN113178701A (en) * | 2021-05-14 | 2021-07-27 | 西安电子科技大学 | Luneberg lens feed source antenna based on directional diagram is reconfigurable |
| CN113644429A (en) * | 2021-08-10 | 2021-11-12 | 合肥工业大学 | Planar microwave passive device capable of reconstructing four microwave functions |
| CN114039185A (en) * | 2021-11-24 | 2022-02-11 | 南京理工大学 | Broadband filtering power divider capable of realizing high power division ratio and wide isolation bandwidth |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100136941A1 (en) * | 2008-12-03 | 2010-06-03 | Lackey Raymond J | Quadratic amplitude control circuit for cosite interference cancellation |
| US20140368294A1 (en) * | 2013-06-18 | 2014-12-18 | Electronics And Telecommunications Research Institute | Power divider |
| CN104852112A (en) * | 2015-03-26 | 2015-08-19 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | Hybrid coupler with reconfigurable frequency and phase and design method thereof |
| CN105186088A (en) * | 2015-09-12 | 2015-12-23 | 电子科技大学 | Electrically tunable filtering type power divider having harmonic suppression function |
| CN208873861U (en) * | 2018-10-31 | 2019-05-17 | 上海剑桥科技股份有限公司 | Wideband filtered power splitter based on S-band |
-
2019
- 2019-08-29 CN CN201910807716.5A patent/CN110474138B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100136941A1 (en) * | 2008-12-03 | 2010-06-03 | Lackey Raymond J | Quadratic amplitude control circuit for cosite interference cancellation |
| US20140368294A1 (en) * | 2013-06-18 | 2014-12-18 | Electronics And Telecommunications Research Institute | Power divider |
| CN104852112A (en) * | 2015-03-26 | 2015-08-19 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | Hybrid coupler with reconfigurable frequency and phase and design method thereof |
| CN105186088A (en) * | 2015-09-12 | 2015-12-23 | 电子科技大学 | Electrically tunable filtering type power divider having harmonic suppression function |
| CN208873861U (en) * | 2018-10-31 | 2019-05-17 | 上海剑桥科技股份有限公司 | Wideband filtered power splitter based on S-band |
Non-Patent Citations (1)
| Title |
|---|
| 张旻皓: ""S波段滤波功分器设计"", 《电信快报》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111490320A (en) * | 2020-04-21 | 2020-08-04 | 南京智能高端装备产业研究院有限公司 | Reconfigurable power division filter |
| CN111490320B (en) * | 2020-04-21 | 2022-06-07 | 南京智能高端装备产业研究院有限公司 | Reconfigurable power division filter |
| CN113178701A (en) * | 2021-05-14 | 2021-07-27 | 西安电子科技大学 | Luneberg lens feed source antenna based on directional diagram is reconfigurable |
| CN113644429A (en) * | 2021-08-10 | 2021-11-12 | 合肥工业大学 | Planar microwave passive device capable of reconstructing four microwave functions |
| CN113644429B (en) * | 2021-08-10 | 2022-08-02 | 合肥工业大学 | Planar microwave passive device capable of reconstructing four microwave functions |
| CN114039185A (en) * | 2021-11-24 | 2022-02-11 | 南京理工大学 | Broadband filtering power divider capable of realizing high power division ratio and wide isolation bandwidth |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110474138B (en) | 2021-01-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110474138A (en) | A kind of restructural function filter-divider | |
| CN106602200B (en) | A kind of micro-strip work(filter-divider | |
| CN201156573Y (en) | Integrated wave-guide band filter based on foldable substrate | |
| CN106099268A (en) | A kind of broadband merit filter-divider | |
| CN106299575B (en) | A kind of Compact type broadband work(filter-divider | |
| CN110429363B (en) | Three-passband power division filter based on multimode Y-shaped resonator | |
| CN207165728U (en) | A kind of compact-sized ultra wide band bandpass filter | |
| US11158924B2 (en) | LTCC wide stopband filtering balun based on discriminating coupling | |
| CN106972228B (en) | A kind of highly selective balun filter based on line of rabbet joint form | |
| CN105098303A (en) | Power divider with double-band filter function | |
| CN105304982A (en) | Tapped feed dual-mode Balun band-pass filter | |
| CN108493566A (en) | A kind of restructural filtering type power splitter of Wide stop bands based on SIR and DGS structures | |
| CN104934663A (en) | Broadband high-selectivity balanced band-pass filter based on multimode resonators | |
| CN109473756B (en) | kinds of fully reconfigurable differential filter | |
| CN109066039A (en) | A kind of novel micro-strip function divides duplexer | |
| CN106299560A (en) | A kind of high selectivity broadband merit filter-divider | |
| CN109830789A (en) | A kind of broadband band-pass filter based on folded substrate integrated waveguide and complementary openings resonant ring | |
| CN107579317B (en) | Balun bandpass filter based on the line of rabbet joint and micro-strip multimode resonator | |
| CN111384534B (en) | Three-way band-pass power division filter | |
| US7764146B2 (en) | Cavity microwave filter assembly with lossy networks | |
| CN109273807A (en) | A kind of novel four function filter-divider of high performance wideband | |
| CN110247145B (en) | Bandwidth-adjustable broadband filtering balun with in-band good matching and isolation | |
| CN109326855B (en) | Novel broadband four-power division filter | |
| CN205159476U (en) | Power distribution unit with double frequency -band filtering function | |
| CN109193087A (en) | A kind of novel four function filter-divider of high-performance dual-passband |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |