CN115360487B - Plane filtering power divider with broadband external suppression - Google Patents
Plane filtering power divider with broadband external suppression Download PDFInfo
- Publication number
- CN115360487B CN115360487B CN202211079198.8A CN202211079198A CN115360487B CN 115360487 B CN115360487 B CN 115360487B CN 202211079198 A CN202211079198 A CN 202211079198A CN 115360487 B CN115360487 B CN 115360487B
- Authority
- CN
- China
- Prior art keywords
- microstrip line
- line
- microstrip
- branch
- port
- 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
- H01P1/20—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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The invention relates to a plane filtering power divider with broadband external suppression, belonging to the technical field of radio frequency and microwave passive devices. The planar filtering power divider comprises an upper microstrip line structure, a middle dielectric substrate, a bottom metal ground and two isolation resistors. The upper microstrip line structure comprises three ports, a first branch microstrip line structure and a second branch microstrip line structure, wherein the first port is respectively connected with the first branch microstrip line structure and the second branch microstrip line structure, the first branch microstrip line structure is connected to the second port, and the second branch microstrip line structure is connected to the third port. The invention has good input return loss and broadband filter response in the S wave band, small size, low cost and wide applicability.
Description
Technical Field
The invention belongs to the technical field of radio frequency and microwave passive devices, and relates to a plane filtering power divider with broadband external suppression.
Background
As rf microwave technology research progresses toward integration and multi-functionality, researchers have little attention to rf components or circuits having only a single function, and components or circuits having multi-functionality integration will be more and more appreciated. The filter and the power divider are used as two core passive microwave devices and passive circuits designed based on a single-layer planar structure and a multi-layer quasi-planar structure, and are commonly used in the circuits of the radio frequency front end of the communication system in a cascading way.
Disclosure of Invention
In view of the above, the present invention aims to provide a planar filter power divider with wideband external suppression, which reduces power loss, and achieves the purposes of small size, wide application, and wideband suppression and ultra wideband isolation.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the plane filtering power divider with the broadband external suppression comprises a first port 1, a second port 2, a third port 3, a first branch microstrip line structure and a second branch microstrip line structure which are symmetrically arranged;
the first port 1 is respectively connected with the first branch microstrip line structure and the second branch microstrip line structure, the first branch microstrip line structure is connected with the second port 2, and the second branch microstrip line structure is connected with the third port 3.
Further, the first branch microstrip line structure includes a first step impedance resonator i, a second step impedance resonator i, a first open branch node line i, a second open branch node line i, a fifth microstrip line i 405, a sixth microstrip line i 406, an eleventh microstrip line i 411, a fourteenth microstrip line i 414, a first coupling line i 408, and a second coupling line i 412;
the first port 1, the first step impedance resonator i, the first open branch line i, the fifth microstrip line i 405, the sixth microstrip line i 406, the first coupling line i 408, the second step impedance resonator i, the eleventh microstrip line i 411, the second coupling line i 412, the fourteenth microstrip line i 414, and the second port 2 are sequentially connected;
the second open branch node line I comprises a seventh microstrip line I407 and a thirteenth microstrip line I413, wherein the seventh microstrip line I407 is connected with the first coupling line I408 and is positioned at the same end of the first coupling line I408 with the sixth microstrip line I406; the thirteenth microstrip line I413 is connected to the upper end of the second coupling line I412 and is located at the same end of the second coupling line I412 as the fourteenth microstrip line I414.
Further, the first step impedance resonator i includes a first microstrip line i 401 and a second microstrip line i 402, the first open branch node line i includes a third microstrip line i 403 and a fourth microstrip line i 404, and the second step impedance resonator i includes a ninth microstrip line i 409 and a tenth microstrip line i 410.
The first microstrip line I401 and the second microstrip line I402 are connected in sequence, and the third microstrip line I403 and the fourth microstrip line I404 are connected and arranged between the second microstrip line I402 and the fifth microstrip line I405 and are perpendicular to the fifth microstrip line I405; one end of a ninth microstrip line I409 is connected with the first coupling line I408 and the eleventh microstrip line I411 respectively, the other end is connected with a tenth microstrip line I410, and the other end of the tenth microstrip line I410 is open.
Further, the second branch microstrip line structure includes a first step impedance resonator ii, a second step impedance resonator ii, a first open branch node line ii, a second open branch node line ii, a fifth microstrip line ii 505, a sixth microstrip line ii 506, an eleventh microstrip line ii 511, a fourteenth microstrip line ii 514, a first coupling line ii 508, and a second coupling line ii 512;
the first port 1, the first step impedance resonator ii, the first open-circuited stub ii, the fifth microstrip ii 505, the sixth microstrip ii 506, the first coupling line ii 508, the second step impedance resonator ii, the eleventh microstrip ii 511, the second coupling line ii 512, the fourteenth microstrip ii 514, and the third port 3 are sequentially connected;
the second open-circuit branch line II comprises a seventh microstrip line II 507 and a thirteenth microstrip line II 513, wherein the seventh microstrip line II 507 is connected with the first coupling line II 508 and is positioned at the same end of the first coupling line II 508 as the sixth microstrip line II 506; the thirteenth microstrip line ii 513 is connected to the upper end of the second coupling line ii 512, and is located at the same end of the second coupling line ii 512 as the fourteenth microstrip line ii 514.
Further, the first step impedance resonator ii includes a first microstrip line ii 501 and a second microstrip line ii 502, the first open branch node line ii includes a third microstrip line ii 503 and a fourth microstrip line ii 504, and the second step impedance resonator ii includes a ninth microstrip line ii 509 and a tenth microstrip line ii 510;
the first microstrip line II 501 and the second microstrip line II 502 are sequentially connected, and the third microstrip line II 503 and the fourth microstrip line II 504 are connected and arranged between the second microstrip line II 502 and the fifth microstrip line II 505 and are perpendicular to the fifth microstrip line II 505; one end of a ninth microstrip line II 509 is connected to the first coupling line II 508 and the eleventh microstrip line II 511, respectively, and the other end is connected to a tenth microstrip line II 510, and the other end of the tenth microstrip line II 510 is open-circuited.
Further, the first step impedance resonator i, the first step impedance resonator ii, the second step impedance resonator i, the second step impedance resonator ii, the sixth microstrip line i 406, and the sixth microstrip line ii 506 are all of a bent structure.
Further, the plane filtering power divider also comprises an isolation resistor I6, an isolation resistor II 7, a dielectric substrate and a metal ground;
the isolation resistor I6 is arranged between the fourth microstrip line I404 and the fourth microstrip line II 504, and the isolation resistor II 7 is arranged between the sixth microstrip line I406 and the sixth microstrip line II 506; the isolation resistors I and II are chip resistors.
The first port 1, the second port 2, the third port 3, the first microstrip line branch structure and the second microstrip line branch structure are arranged on one surface of the medium substrate, and the metal is arranged on the other surface of the medium substrate.
The invention has the beneficial effects that:
(1) The invention has good input return loss and 1.5GHz broadband filter response in the S wave band, and the relative bandwidth reaches 52.9%;
(2) The invention has 3.96 GHz-11.1 GHz (3.89 f) outside the band 0 ) The wide stop band inhibition of the DC-12 GHz ultra-wideband isolation performance is better than 20dB;
(3) The filter and the power divider are combined and arranged on the same dielectric substrate, so that the invention has the advantages of small size, low cost, wide application and low power loss.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objects and other advantages of the invention may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in the following preferred detail with reference to the accompanying drawings, in which:
FIG. 1 is a schematic diagram of a planar filtered power divider with wideband out-of-band rejection;
FIG. 2 is a schematic diagram of the structural dimensions of a planar filtered power divider;
fig. 3 shows a planar filter power divider S 11 、S 21 、S 31 Simulation and actual measurement result graphs of parameters;
fig. 4 shows a planar filter power divider S 22 、S 23 Simulation and actual measurement result graphs of parameters.
Reference numerals: 1-a first port; 2-a second port; 3-a third port; 6, an isolation resistor I; 7-an isolation resistor II;
401-a first microstrip line i; 402-a second microstrip line i; 403-a third microstrip line I; 404-fourth microstrip line i; 405-a fifth microstrip line I; 406-sixth microstrip line I; 407-seventh microstrip line i; 408-a first coupled line i; 409-ninth microstrip line i; 410-tenth microstrip line i; 411-eleventh microstrip line i; 412-a second coupled line i; 413-thirteenth microstrip line i; 414-fourteenth microstrip line i;
501-a first microstrip line II; 502-a second microstrip line II; 503-a third microstrip line II; 504-fourth microstrip line ii; 505-fifth microstrip line ii; 506-sixth microstrip line ii; 507-seventh microstrip line ii; 508-a first coupled line ii; 509-a ninth microstrip line ii; 510-tenth microstrip line ii; 511-eleventh microstrip line ii; 512-second coupled line ii; 513-thirteenth microstrip line II; 514-fourteenth microstrip line ii.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be noted that the illustrations provided in the following embodiments merely illustrate the basic idea of the present invention by way of illustration, and the following embodiments and features in the embodiments may be combined with each other without conflict.
Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to limit the invention; for the purpose of better illustrating embodiments of the invention, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numbers in the drawings of embodiments of the invention correspond to the same or similar components; in the description of the present invention, it should be understood that, if there are terms such as "upper", "lower", "left", "right", "front", "rear", etc., that indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but not for indicating or suggesting that the referred device or element must have a specific azimuth, be constructed and operated in a specific azimuth, so that the terms describing the positional relationship in the drawings are merely for exemplary illustration and should not be construed as limiting the present invention, and that the specific meaning of the above terms may be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1 and 2, a schematic structure and a schematic size of a planar filter power divider with wideband external rejection are shown. The planar filtering power divider comprises a microstrip line structure at the upper layer, an isolation resistor, a dielectric substrate at the middle layer and metal ground at the bottom layer. Wherein the dielectric substrate plate is Rogers4350B, the relative dielectric constant is 3.48, the thickness of the dielectric substrate is h=0.762 mm, and the loss tangent is 0.0037; the thickness of the metal ground was 0.035mm and the overall structural dimensions were lxw=43.6 mm×49.0mm.
The upper microstrip line structure comprises a first port, a second port and a third port, and the first branch microstrip line structure and the second branch microstrip line structure. The first port is connected with the first branch microstrip line structure and the second branch microstrip line structure respectively, wherein the first branch microstrip line structure is connected to the second port again, and the second branch microstrip line structure is connected to the third port again. The three ports are all 50 ohm microstrip lines, and have consistent size and length of l 0 =5 mm wide w 0 ＝1.62mm。
The first branch microstrip line structure comprises a first microstrip line I, a second microstrip line I, a fifth microstrip line I, a sixth microstrip line I, a seventh microstrip line I, a first coupling line I, a ninth microstrip line I, an eleventh microstrip line I, a second coupling line I and a fourteenth microstrip line I which are sequentially connected, and further comprises a third microstrip line I, a fourth microstrip line I, a seventh microstrip line I, a tenth microstrip line I and a thirteenth microstrip line I. The third microstrip line I and the fourth microstrip line I are connected to form a first open branch line I (the end of the third microstrip line I, which is not connected with the fourth microstrip line I, is open, and the third microstrip line II in the second branch microstrip line structure is the same as the third microstrip line I) and are arranged between the second microstrip line I and the fifth microstrip line I and are perpendicular to the fifth microstrip line I. One end of the seventh microstrip line I is connected with the first coupling line I, and the other end of the seventh microstrip line I is open (in the second branch microstrip line structure, the seventh microstrip line II is arranged in the same way). One end of the tenth microstrip line I is connected with the ninth microstrip line I, and the other end is open. One end of the thirteenth microstrip line I is connected with the second coupling line I, and the other end is open-circuited (the thirteenth microstrip line II is arranged in the same way). The second branch microstrip line structure and the first branch microstrip line structure are of the same structure and are symmetrically arranged on one surface of the medium substrate.
The first microstrip lines I and II are of a bent structure and have the same size, and w is respectively 1 ＝0.94mm，l 1 ＝7.94mm，l 2 =4.38 mm. The second microstrip lines I and II are of bent structures and have the same size and w 2 ＝0.3mm，l 3 =1.9 mm, radius r 1 =1.9mm. The third microstrip line and the fourth microstrip line have the same width,is w 3 The lengths of the third microstrip lines i and ii are l =1.2mm 4 =7.25 mm, the lengths of the fourth microstrip lines i and ii are l 5 =2.31 mm. Fifth microstrip lines I and II have the same size and are w 4 ＝0.5mm，l 6 =1.9mm. The sixth microstrip lines I and II are of bent structure and have the same size, w is respectively 5 ＝0.25mm，l 7 =10.8mm. The size of the seventh microstrip line I and the size of the seventh microstrip line II are w 6 ＝0.1mm，l 8 =5.64 mm. The first coupling lines I and II are w in size 5 ＝0.25mm，l 9 The left end of one line at the lower part of the first coupling line I is connected with the sixth microstrip line I, the right end is open-circuited, the left end of one line at the upper part is connected with the seventh microstrip line I, the right end is connected with the ninth microstrip line I, and the interval between the two lines is s 1 =0.16 mm; similarly, the left end of one upper line in the first coupling line II is connected with the sixth microstrip line II, the left end of one lower line is connected with the seventh microstrip line II, the right end is connected with the ninth microstrip line II, and the distance between the two lines is s 1 . The ninth microstrip lines I and II are both of a bending structure, and the dimensions are w 7 ＝4.18mm，l 10 =8.04 mm. Tenth microstrip lines I and II are both of a bent structure and have a size w 8 ＝0.22mm，l 11 =23.81 mm. The lower end of one line on the left side of the second coupling line I is connected with the eleventh microstrip line I, the upper end of the one line on the right side is connected with the thirteenth microstrip line I, and the size of the one line on the left side is w 9 ＝0.29mm，l 12 =13.91 mm, two lines spaced s apart 2 =0.17 mm; the second coupling line II and the first coupling line I are symmetrically arranged, and the size and the distance between the two lines are the same. The radius of the eleventh microstrip line I and II is r 2 =1.7mm, the fourteenth microstrip lines i and ii each have a radius r 3 The width of the eleventh microstrip line and the fourteenth microstrip line is the same as the width of the second coupling line, and is 0.29mm, =2.2 mm; thirteenth microstrip lines I and II each have a size of w 10 ＝0.1mm，l 13 ＝1.1mm。
The two isolation resistors are patch resistors, and can better improve the port isolation performance of the plane filtering power divider, wherein the isolation resistor I is arranged between the fourth microstrip line I and the fourth microstrip line II, the resistance value is 80 ohms, and the isolation resistor II is arranged between the sixth microstrip line I and the sixth microstrip line II, and the resistance value is 840 ohms.
Fig. 3 shows a planar filter power divider S 11 、S 21 、S 31 The simulation of the parameters and the comparison of the measured results show that the center frequency of the filter power divider is measured to be 2.85GHz, the in-band return loss is between 2.1GHz and 3.61GHz, which is superior to-18.5 dB, the relative bandwidth is 52.9%, and the S measured at the center frequency of 2.85GHz 21 And S is 31 Respectively-3.49 dB and-3.62 dB, and in the upper stop band suppression range, the frequency of the electromagnetic wave is from 3.96GHz to 11.1GHz (3.89 f 0 ) The ultra-wideband inhibition degree of the ultra-wideband is better than-20 dB, and the actual measurement is basically consistent with the simulation result.
Fig. 4 shows a planar filter power divider S 22 、S 23 Simulation of parameters and actual measurement result diagram, actual measurement of output matching S of the filter power divider 22 Between 2.05GHz and 3.49GHz, is better than-18.3 dB, and has in-band isolation S 23 Better than-24.4 dB, the out-of-band isolation is from DC to 2.13GHz and 3.6GHz to 12GHz (4.21 f) 0 ) Is better than-26 dB in the ultra-wideband range, and is basically consistent with the simulation result.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the present invention, which is intended to be covered by the claims of the present invention.
Claims (4)
1. A planar filtered power divider with wideband out-of-rejection, characterized by: the device comprises a first port (1), a second port (2), a third port (3), a first branch microstrip line structure and a second branch microstrip line structure which are symmetrically arranged;
the first port (1) is respectively connected with the first branch microstrip line structure and the second branch microstrip line structure, the first branch microstrip line structure is connected with the second port (2), and the second branch microstrip line structure is connected with the third port (3);
the first branch microstrip line structure comprises a first step impedance resonator I, a second step impedance resonator I, a first open branch node line I, a second open branch node line I, a fifth microstrip line I (405), a sixth microstrip line I (406), an eleventh microstrip line I (411), a fourteenth microstrip line I (414), a first coupling line I (408) and a second coupling line I (412);
the first port (1), the first step impedance resonator I, the first open-circuit branch line I, the fifth microstrip line I (405), the sixth microstrip line I (406), the first coupling line I (408), the second step impedance resonator I, the eleventh microstrip line I (411), the second coupling line I (412), the fourteenth microstrip line I (414) and the second port (2) are sequentially connected;
the second open branch node line I comprises a seventh microstrip line I (407) and a thirteenth microstrip line I (413); the seventh microstrip line I (407) is connected with the first coupling line I (408) and is positioned at the same end of the first coupling line I (408) as the sixth microstrip line I (406); the thirteenth microstrip line I (413) is connected with the second coupling line I (412) and is positioned at the same end of the second coupling line I (412) as the fourteenth microstrip line I (414);
the first step impedance resonator I comprises a first microstrip line I (401) and a second microstrip line I (402), and the first open branch node line I comprises a third microstrip line I (403) and a fourth microstrip line I (404); the second step impedance resonator I comprises a ninth microstrip line I (409) and a tenth microstrip line I (410);
the first microstrip line I (401) and the second microstrip line I (402) are sequentially connected; the third microstrip line I (403) and the fourth microstrip line I (404) are connected and arranged between the second microstrip line I (402) and the fifth microstrip line I (405) and are perpendicular to the fifth microstrip line I (405); one end of a ninth microstrip line I (409) is connected with the first coupling line I (408) and the eleventh microstrip line I (411) respectively, and the other end of the ninth microstrip line I is connected with the tenth microstrip line I (410);
the second branch microstrip line structure comprises a first step impedance resonator II, a second step impedance resonator II, a first open circuit branch node line II, a second open circuit branch node line II, a fifth microstrip line II (505), a sixth microstrip line II (506), an eleventh microstrip line II (511), a fourteenth microstrip line II (514), a first coupling line II (508) and a second coupling line II (512);
the first port (1), the first step impedance resonator II, the first open-circuited stub II, the fifth microstrip II (505), the sixth microstrip II (506), the first coupling line II (508), the second step impedance resonator II, the eleventh microstrip II (511), the second coupling line II (512), the fourteenth microstrip II (514) and the third port (3) are sequentially connected;
the second open-circuit branch node line II comprises a seventh microstrip line II (507) and a thirteenth microstrip line II (513); the seventh microstrip line II (507) is connected with the first coupling line II (508) and is positioned at the same end of the first coupling line II (508) with the sixth microstrip line II (506); the thirteenth microstrip line II (513) is connected with the second coupling line II (512) and is positioned at the same end of the second coupling line II (512) with the fourteenth microstrip line II (514);
the first step impedance resonator II comprises a first microstrip line II (501) and a second microstrip line II (502), and the first open-circuited branch line II comprises a third microstrip line II (503) and a fourth microstrip line II (504); the second step impedance resonator II comprises a ninth microstrip line II (509) and a tenth microstrip line II (510);
the first microstrip line II (501) and the second microstrip line II (502) are connected in sequence; the third microstrip line II (503) and the fourth microstrip line II (504) are connected and arranged between the second microstrip line II (502) and the fifth microstrip line II (505) and are perpendicular to the fifth microstrip line II (505); one end of the ninth microstrip line II (509) is connected with the first coupling line II (508) and the eleventh microstrip line II (511) respectively, and the other end of the ninth microstrip line II is connected with the tenth microstrip line II (510);
the plane filtering power divider also comprises an isolation resistor I (6) and an isolation resistor II (7); the isolation resistor I (6) is arranged between the fourth microstrip line I (404) and the fourth microstrip line II (504); the isolation resistor II (7) is arranged between the sixth microstrip line I (406) and the sixth microstrip line II (506).
2. The planar filtered power divider of claim 1, wherein: the isolation resistor I (6) and the isolation resistor II (7) are chip resistors.
3. The planar filtered power divider of claim 1, wherein: the planar filtering power divider further comprises a dielectric substrate and a metal ground, wherein the first port (1), the second port (2), the third port (3), the first microstrip line branch structure and the second microstrip line branch structure are arranged on one surface of the dielectric substrate, and the metal ground is arranged on the other surface of the dielectric substrate.
4. A planar filtered power divider as claimed in any one of claims 1 to 3, characterized in that: the first step impedance resonator I, the first step impedance resonator II, the second step impedance resonator I, the second step impedance resonator II, the sixth microstrip line I (406) and the sixth microstrip line II (506) are all of a bent structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211079198.8A CN115360487B (en) | 2022-09-05 | 2022-09-05 | Plane filtering power divider with broadband external suppression |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211079198.8A CN115360487B (en) | 2022-09-05 | 2022-09-05 | Plane filtering power divider with broadband external suppression |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115360487A CN115360487A (en) | 2022-11-18 |
| CN115360487B true CN115360487B (en) | 2023-08-11 |
Family
ID=84007297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211079198.8A Active CN115360487B (en) | 2022-09-05 | 2022-09-05 | Plane filtering power divider with broadband external suppression |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115360487B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6043722A (en) * | 1998-04-09 | 2000-03-28 | Harris Corporation | Microstrip phase shifter including a power divider and a coupled line filter |
| AU2933202A (en) * | 2001-09-14 | 2003-03-20 | Airoworks Pty Ltd | Radio frequency power divider/combiner circuit |
| CN102832434A (en) * | 2012-08-21 | 2012-12-19 | 华南理工大学 | Equal power splitter integrating band-pass filtering function |
| WO2014029182A1 (en) * | 2012-08-21 | 2014-02-27 | 华南理工大学 | Unequal power divider integrated with bandpass filter function |
| CN103915669A (en) * | 2014-03-07 | 2014-07-09 | 华南理工大学 | Filtering power divider with double passing bands |
| CN203747009U (en) * | 2014-03-07 | 2014-07-30 | 华南理工大学 | Filtering power divider with double passbands |
| CN109713419A (en) * | 2019-02-15 | 2019-05-03 | 重庆邮电大学 | A kind of model filters power splitter with Wide stop bands and high-isolation |
| CN112448113A (en) * | 2020-11-19 | 2021-03-05 | 南京邮电大学 | Butterfly-shaped microstrip filtering power divider |
| WO2022141023A1 (en) * | 2020-12-29 | 2022-07-07 | 华为技术有限公司 | Suspension strip, phase shifter, and base station |
-
2022
- 2022-09-05 CN CN202211079198.8A patent/CN115360487B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6043722A (en) * | 1998-04-09 | 2000-03-28 | Harris Corporation | Microstrip phase shifter including a power divider and a coupled line filter |
| AU2933202A (en) * | 2001-09-14 | 2003-03-20 | Airoworks Pty Ltd | Radio frequency power divider/combiner circuit |
| CN102832434A (en) * | 2012-08-21 | 2012-12-19 | 华南理工大学 | Equal power splitter integrating band-pass filtering function |
| WO2014029182A1 (en) * | 2012-08-21 | 2014-02-27 | 华南理工大学 | Unequal power divider integrated with bandpass filter function |
| CN103915669A (en) * | 2014-03-07 | 2014-07-09 | 华南理工大学 | Filtering power divider with double passing bands |
| CN203747009U (en) * | 2014-03-07 | 2014-07-30 | 华南理工大学 | Filtering power divider with double passbands |
| CN109713419A (en) * | 2019-02-15 | 2019-05-03 | 重庆邮电大学 | A kind of model filters power splitter with Wide stop bands and high-isolation |
| CN112448113A (en) * | 2020-11-19 | 2021-03-05 | 南京邮电大学 | Butterfly-shaped microstrip filtering power divider |
| WO2022141023A1 (en) * | 2020-12-29 | 2022-07-07 | 华为技术有限公司 | Suspension strip, phase shifter, and base station |
Non-Patent Citations (1)
| Title |
|---|
| 基于谐振器慢波传输线的小型化宽阻带谐波抑制功分器;黄文等;《电子与信息学报》;第44卷(第10期);3666-3672 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115360487A (en) | 2022-11-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108172958B (en) | Periodic slow wave transmission line unit based on coplanar waveguide | |
| Lim et al. | Differential-mode ultra-wideband bandpass filter on microstrip line | |
| CN110994107B (en) | Coplanar waveguide dual-frequency power divider based on crossed composite left-right-hand transmission line | |
| WO2012088423A2 (en) | On-die radio frequency directional coupler | |
| JP2010515331A (en) | Power distributor using dual band-CRLH transmission line and power combiner | |
| CN110085959B (en) | Miniaturized harmonic suppression equal power divider based on H-shaped defected ground artificial transmission line | |
| JP3304724B2 (en) | Dual mode filter | |
| CN113972457B (en) | Frequency-independent broadband phase-inverting phase shifter and filtering full-passband isolation balun | |
| CN109273807B (en) | Novel high-performance broadband four-power-division filter | |
| CN110247145B (en) | Bandwidth-adjustable broadband filtering balun with in-band good matching and isolation | |
| Gu et al. | Compact lowpass filter using spiral compact microstrip resonant cells | |
| Han et al. | Compact ultra-wideband bandpass filter using stub-loaded resonator | |
| CN115360487B (en) | Plane filtering power divider with broadband external suppression | |
| CN112993501B (en) | Microstrip miniaturized wide stop band filtering power divider loaded with resonator slow wave transmission line | |
| CN108682926B (en) | High-selectivity dual-passband power division filter | |
| Ali et al. | Design of low-pass filter using meander inductor and U-form Hi-Lo topology with high compactness factor for L-band applications | |
| CN111525222A (en) | Miniaturized coplanar waveguide equal-division power divider based on crossed slow-wave transmission line | |
| CN111416182B (en) | High-selectivity three-passband power division filter | |
| CN111384535B (en) | Double-passband power division filter | |
| CN111613856B (en) | Double-passband balance filter adopting double-layer circular patch | |
| CN112072230B (en) | Double-frequency microstrip filtering antenna based on open-circuit branch loaded SIR | |
| CN114284677A (en) | High-selectivity broadband inverse filtering power divider based on three-wire coupling | |
| CN111244585B (en) | Differential phase shifter with filtering function | |
| Borah et al. | Reconfigurable balanced dualband bandstop filter | |
| Okada et al. | Compact lumped-element 5-way wilkinson power divider with broadband operation |
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 |