CN112490609A - Ultra-wideband power divider - Google Patents
Ultra-wideband power divider Download PDFInfo
- Publication number
- CN112490609A CN112490609A CN202011413575.8A CN202011413575A CN112490609A CN 112490609 A CN112490609 A CN 112490609A CN 202011413575 A CN202011413575 A CN 202011413575A CN 112490609 A CN112490609 A CN 112490609A
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- quarter
- impedance converter
- wavelength
- wavelength impedance
- capacitor
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- 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
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Abstract
The application discloses ware is divided to ultra wide band merit, including the base plate, its characterized in that: the substrate is symmetrically provided with a pair of transmission branches, each transmission branch comprises a first quarter-wavelength impedance converter, a second quarter-wavelength impedance converter and a third quarter-wavelength impedance converter which are sequentially cascaded, each third quarter-wavelength impedance converter is composed of an eighth-wavelength transmission line in end-to-end coupling connection, and the two first quarter-wavelength impedance converters are connected with each other through an inductor, a capacitor and a resistor which are sequentially connected. The invention adopts the traditional single-section quarter-wave impedance converter to weld the combination of a single resistor, a capacitor and an inductor to further widen the isolation matching bandwidth, and the impedance converter in the form of a single-section novel coupling line is cascaded at the output end to realize the broadband characteristic of the circuit and the good matching of each port.
Description
Technical Field
The application relates to the field of power dividers, in particular to an ultra-wideband power divider.
Background
With the continuous development of modern communication technology, due to the requirements for large data bandwidth and high-speed data transmission, people in a communication system increasingly demand broadband microwave devices, and in order to save cost and reduce the complexity of the system, the requirement of the whole working frequency band required by communication can be covered by only one device. As an important microwave passive device, people have more and more extensive and deep research on broadband power dividers, so that the improvement of the traditional structure and the technical innovation are particularly important.
Disclosure of Invention
The invention aims to provide an ultra-wideband power divider to overcome the defects in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
the embodiment of the application discloses ware is divided to ultra wide band merit, including the base plate, its characterized in that: the substrate is symmetrically provided with a pair of transmission branches, each transmission branch comprises a first quarter-wavelength impedance converter, a second quarter-wavelength impedance converter and a third quarter-wavelength impedance converter which are sequentially cascaded, each third quarter-wavelength impedance converter is composed of an eighth-wavelength transmission line in end-to-end coupling connection, and the two first quarter-wavelength impedance converters are connected with each other through an inductor, a capacitor and a resistor which are sequentially connected.
Preferably, in the ultra-wideband power divider, the inductor and the capacitor, and the capacitor and the resistor are connected by a bonding pad.
Compared with the prior art, the invention has the advantages that:
1. the invention adopts the traditional single-section quarter-wave impedance converter to weld the combination of a single resistor, a capacitor and an inductor to further widen the isolation matching bandwidth, and the impedance converter in the form of a single-section novel coupling line is cascaded at the output end to realize the broadband characteristic of the circuit and the good matching of each port.
2. The novel coupled line impedance converter is used, so that the complexity of a circuit is effectively reduced, the size of the circuit is reduced, the reliability of the circuit is improved, and the production cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an ultra-wideband power divider according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described in detail below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1, the ultra-wideband power divider in this embodiment includes a substrate 1, a pair of transmission branches 2 is symmetrically disposed on the substrate 1, the transmission branches 2 include a first quarter-wavelength impedance transformer 3, a second quarter-wavelength impedance transformer 4, and a third quarter-wavelength impedance transformer 5, which are sequentially connected in series, the third quarter-wavelength impedance transformer 5 is composed of an eighth-wavelength transmission line 6 connected in an end-to-end coupling manner, and the two first quarter-wavelength impedance transformers 3 are connected to each other through an inductor 7, a capacitor 8, and a resistor 9, which are sequentially connected.
Furthermore, the inductor 7 and the capacitor 8, and the capacitor 8 and the resistor 9 are connected through a pad 10.
In the technical scheme, the isolation matching bandwidth is further widened by adopting a mode that a traditional single-section quarter-wave impedance converter is used for welding a single resistor, a capacitor and an inductor, and the broadband characteristic of the circuit and the good matching of each port are realized by cascading the single-section novel coupling line type impedance converter at the output end; the novel coupled line impedance converter is used, so that the complexity of a circuit is effectively reduced, the size of the circuit is reduced, the reliability of the circuit is improved, and the production cost is reduced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely a detailed description of the present application, and it should be noted that modifications and embellishments could be made by those skilled in the art without departing from the principle of the present application, and these should also be considered as the protection scope of the present application.
Claims (2)
1. The utility model provides a ware is divided to ultra wide band merit, includes the base plate, its characterized in that: the substrate is symmetrically provided with a pair of transmission branches, each transmission branch comprises a first quarter-wavelength impedance converter, a second quarter-wavelength impedance converter and a third quarter-wavelength impedance converter which are sequentially cascaded, each third quarter-wavelength impedance converter is composed of an eighth-wavelength transmission line in end-to-end coupling connection, and the two first quarter-wavelength impedance converters are connected with each other through an inductor, a capacitor and a resistor which are sequentially connected.
2. The ultra-wideband power divider of claim 1, characterized in that: the inductor is connected with the capacitor through the bonding pad, and the capacitor is connected with the resistor through the bonding pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011413575.8A CN112490609A (en) | 2020-12-03 | 2020-12-03 | Ultra-wideband power divider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011413575.8A CN112490609A (en) | 2020-12-03 | 2020-12-03 | Ultra-wideband power divider |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112490609A true CN112490609A (en) | 2021-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011413575.8A Pending CN112490609A (en) | 2020-12-03 | 2020-12-03 | Ultra-wideband power divider |
Country Status (1)
| Country | Link |
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| CN (1) | CN112490609A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030186656A1 (en) * | 2002-04-02 | 2003-10-02 | Tropian, Inc. | Method and apparatus for combining two AC waveforms |
| EP2226888A1 (en) * | 2009-03-03 | 2010-09-08 | SELEX Galileo S.p.A. | N-way divider/combiner |
| CN103022617A (en) * | 2012-12-22 | 2013-04-03 | 西安电子科技大学 | Double-frequency-range power divider capable of being applied to S wave band and X wave band |
| CN206301928U (en) * | 2016-12-29 | 2017-07-04 | 青岛瑞普电气股份有限公司 | Wilkinson power divider with harmonic restraining function |
| CN108493551A (en) * | 2018-02-07 | 2018-09-04 | 中国科学院微电子研究所 | A kind of IPD ultrabroad bands power splitter |
| CN109346810A (en) * | 2018-09-28 | 2019-02-15 | 安徽蓝麦通信股份有限公司 | A kind of 1/6th wavelength of 5G ultra wide band miniaturization power splitter design method |
| US20190288363A1 (en) * | 2017-09-05 | 2019-09-19 | At&T Intellectual Property I, L.P. | Dielectric coupling system with mode control and methods for use therewith |
| CN110635208A (en) * | 2019-09-05 | 2019-12-31 | 苏州灿勤通讯技术有限公司 | Double-passband Wilkinson power divider |
-
2020
- 2020-12-03 CN CN202011413575.8A patent/CN112490609A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030186656A1 (en) * | 2002-04-02 | 2003-10-02 | Tropian, Inc. | Method and apparatus for combining two AC waveforms |
| EP2226888A1 (en) * | 2009-03-03 | 2010-09-08 | SELEX Galileo S.p.A. | N-way divider/combiner |
| CN103022617A (en) * | 2012-12-22 | 2013-04-03 | 西安电子科技大学 | Double-frequency-range power divider capable of being applied to S wave band and X wave band |
| CN206301928U (en) * | 2016-12-29 | 2017-07-04 | 青岛瑞普电气股份有限公司 | Wilkinson power divider with harmonic restraining function |
| US20190288363A1 (en) * | 2017-09-05 | 2019-09-19 | At&T Intellectual Property I, L.P. | Dielectric coupling system with mode control and methods for use therewith |
| CN108493551A (en) * | 2018-02-07 | 2018-09-04 | 中国科学院微电子研究所 | A kind of IPD ultrabroad bands power splitter |
| CN109346810A (en) * | 2018-09-28 | 2019-02-15 | 安徽蓝麦通信股份有限公司 | A kind of 1/6th wavelength of 5G ultra wide band miniaturization power splitter design method |
| CN110635208A (en) * | 2019-09-05 | 2019-12-31 | 苏州灿勤通讯技术有限公司 | Double-passband Wilkinson power divider |
Non-Patent Citations (1)
| Title |
|---|
| 焦永昌等: ""微波功分器的模拟与设计"", 《传感技术学报》 * |
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Application publication date: 20210312 |