CN203690467U - Micro-strip power divider of integrated design - Google Patents
Micro-strip power divider of integrated design Download PDFInfo
- Publication number
- CN203690467U CN203690467U CN201420082909.1U CN201420082909U CN203690467U CN 203690467 U CN203690467 U CN 203690467U CN 201420082909 U CN201420082909 U CN 201420082909U CN 203690467 U CN203690467 U CN 203690467U
- Authority
- CN
- China
- Prior art keywords
- power divider
- frequency signal
- port
- micro
- open circuit
- 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 - Lifetime
Links
- 239000002184 metal Substances 0.000 claims abstract description 24
- 229910052751 metal Inorganic materials 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 230000010354 integration Effects 0.000 claims description 12
- 150000002739 metals Chemical class 0.000 claims 2
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Landscapes
- Waveguide Aerials (AREA)
Abstract
The utility model provides a micro-strip power divider of integrated design. The micro-strip power divider includes a PCB, micro-strip transmission lines (micro-strip lines in short) distributed on the upper surface of the PCB and metal grounding face arranged on the lower surface of the PCB. The micro-strip transmission lines include a power divider and a combiner. The PCB includes a high-frequency signal port, a low-frequency signal port and at least two power dividing ports. According to the utility model, the power divider and the combiner are integrated on the same PCB, so that insertion loss caused by separate design of the power divider and the combiner can be reduced, cost on distributed-type component design and installation is reduced and a problem of matching failure of the power divider and the combiner can be solved. Therefore, energy transmission efficiency of input/output port can be improved. The micro-strip power divider of integrated design is suitable for a 2G, a 3G and an LTE multi-frequency bi-channel dual-polarized antenna, four-channel dual-polarized antenna, eight-channel dual-polarized antenna and other multi-channel MIMO antenna.
Description
Technical field
The utility model relates to a kind of microstrip power divider of Integration Design, can be widely used in this field of antenna of mobile communication base station.
Background technology
It is mainly to realize by amplitude and the phase place of control array antenna basic radiating element that mobile communication class antenna for base station carries out beam shaping (technology of a kind of control antenna radiation direction diagram shape or minor level), amplitude is mainly realized by power divider (abbreviation power splitter), and phase place is to realize by coaxial line or microstrip line.In the middle of antenna for base station, power splitter and mixer are more common distributed components and parts.The Main Function of power splitter is the basic radiating element of distributing to aerial array from the energy of input port according to certain power proportions, carry out beam shaping in conjunction with coaxial cable or microstrip line again, the bandwidth of operation of power splitter often requires to design very widely, to ensure the stability of amplitude linearity degree in a relatively wide working frequency range; The Main Function of mixer is separating according to working frequency range from the energy of input port, is high pass, and suppresses for the extraneous energy signal of working frequency range for the energy signal within the scope of working frequency range.Due to these two kinds of components and parts feature difference separately, often design separately separately.For supporting the antenna for base station of multiband work, the increase of distributed components and parts can bring the increase of Insertion Loss, thereby reduces the gain of array antenna.Increase components and parts, just must design space layout scheme corresponding to these components and parts, thus the raising that brings cost.Moreover, the matching problem between each distributed components and parts also can affect the efficiency of transmission of input/output port energy.
Utility model content
The purpose of this utility model is just to overcome the shortcoming and defect that prior art exists, and a kind of microstrip power divider of Integration Design is provided.
The purpose of this utility model is achieved in that
A kind of microstrip power divider of Integration Design, comprise that thickness is the PCB(Printed circuit board that h, dielectric constant are ε, printed circuit board (PCB)) plate, be distributed in the microstrip transmission line (abbreviation microstrip line) of its upper surface and be distributed in the metal ground plane of its lower surface; Described microstrip transmission line comprises power divider and mixer,
On pcb board, be provided with high-frequency signal port, low frequency signal port and be no less than the power division port of 2; Mixer is connected with power divider, and high-frequency signal port, low frequency signal port lay respectively at the two ends of mixer, and power division port is connected with power divider.
Described high-frequency signal port comprises 5 metal open circuit details, each metal open circuit detail is connected with mixer respectively, the length of each metal open circuit detail is that λ/4(λ is the electromagnetic wavelength corresponding to center frequency point of this branch road radiofrequency signal work, its computing formula is λ=c/f, c is the light velocity, the frequency of frequency centered by f).
Described low frequency signal port comprises 5 metal open circuit details, each metal open circuit detail is connected with mixer respectively, the length of each metal open circuit detail is that λ/4(λ is the electromagnetic wavelength corresponding to center frequency point of this branch road radiofrequency signal work, its computing formula is λ=c/f, c is the light velocity, the frequency of frequency centered by f).
Described power division port, power ratio is according to approximate Chebyshev's distribution design, and between port, sets fixed skew △ Φ.
Working mechanism of the present utility model: at power division port, realize impedance matching and approximate Chebyshev's distribution power distribution by λ/4 impedance transformation in microwave transmission line theory, in conjunction with phase difference △ Φ fixing between port, obtain one group of feeding network of supporting multiband beam shaping; At high-frequency signal port and low frequency signal port, by increase multistage λ/4 metal open circuit detail on microstrip line, utilize the path length difference of reflected phase will between high frequency, low frequency to realize the selection to different frequency range.
The utlity model has following advantages and good effect:
1, the utility model, by power divider and mixer Integration Design on a pcb board, can reduce power splitter and the mixer Insertion Loss that design brings separately.
2, the utility model, by power divider and mixer Integration Design on a pcb board, can reduce the cost payout of distributed components and parts design and installation.
3, the utility model, by power divider and mixer Integration Design on a pcb board, can be avoided mismatch problem between power splitter and mixer, improves the efficiency of transmission of input/output port energy.
4, the utility model is applicable to 2G, 3G and LTE(Long Term Evolution, Long Term Evolution) shared two passage dual polarized antennas, four-way dual polarized antenna, eight passage dual polarized antennas and other multichannels MIMO(Multiple Input Multiple Output of multifrequency, multiple-input and multiple-output) many antennas.
Brief description of the drawings
Fig. 1 is the utility model general structure schematic diagram;
Fig. 2 is the structural representation of the utility model embodiment 1;
Fig. 3 is the structural representation of the utility model embodiment 2;
Fig. 4 is the structural representation of the utility model embodiment 3;
In figure:
Port1-high-frequency signal port;
Port2-low frequency signal port;
Port3-power division port one;
Port4-power division port 2;
Port5-power division port 3;
Portn-power division port n;
The metal open circuit detail of 1-5-corresponding high-frequency signal port;
The metal open circuit detail of 6-10-corresponding low frequency signal port;
11-microstrip line, 12-pcb board.
Embodiment
In order to make utility model technical problem to be solved, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that described specific embodiment is only in order to explain the utility model, and need not limit the utility model.
As shown in 1 figure, it is the utility model general structure schematic diagram.
Particularly, the utility model is the device of a kind of integrated power splitter, mixer function, comprise a high-frequency signal port port1, a low frequency signal port port2, comprise one-to-two power splitter, one point of three power splitter, one point of four power splitter and multistage distribution power splitter, difference corresponding port3, port4 ... n the power division ports such as port n.
Embodiment 1
As shown in 2 figure, particularly, when n=2, there are 2 power division ports.Carry the radiofrequency signal of approximate Chebyshev's distribution power ratio, fixed skew △ Φ from port3, port4 two-port, respectively via DC, EC microstrip line, CB microstrip line, toward BA, the transmission of BF microstrip line direction.For the signal toward the transmission of BA microstrip line direction, through the Pyatyi λ/4 metal open circuit details (length of λ is the electromagnetic wavelength corresponding to center frequency point of low frequency radio frequency signal work) such as 1,2,3,4,5, utilizing the path length difference of low frequency signal reflected phase will to realize high-frequency signal is high communication number, and low frequency signal is pick-off signal; For the signal toward the transmission of BF microstrip line direction, through the Pyatyi λ/4 metal open circuit details (length of λ is the electromagnetic wavelength corresponding to center frequency point of high-frequency radio frequency signal work) such as 6,7,8,9,10, utilizing the path length difference of high-frequency signal reflected phase will to realize high-frequency signal is pick-off signal, and low frequency signal is high communication number.Finally, arrive the high-frequency signal that only has of port1 port, and reach the low frequency signal that only has of port2 port.
Embodiment 2
As shown in 3 figure, particularly, when n=3, there are 3 power division ports.Carry the radiofrequency signal of approximate Chebyshev's distribution power ratio, fixed skew △ Φ from port3, port4, port5 tri-ports, respectively via DC, EC, FC microstrip line, CB microstrip line, toward BA, the transmission of BG microstrip line direction.For the signal toward the transmission of BA microstrip line direction, through the Pyatyi λ/4 metal open circuit details (length of λ is the electromagnetic wavelength corresponding to center frequency point of low frequency radio frequency signal work) such as 1,2,3,4,5, utilizing the path length difference of low frequency signal reflected phase will to realize high-frequency signal is high communication number, and low frequency signal is pick-off signal; For the signal toward the transmission of BG microstrip line direction, through the Pyatyi λ/4 metal open circuit details (length of λ is the electromagnetic wavelength corresponding to center frequency point of high-frequency radio frequency signal work) such as 6,7,8,9,10, utilizing the path length difference of high-frequency signal reflected phase will to realize high-frequency signal is pick-off signal, and low frequency signal is high communication number.Finally, arrive the high-frequency signal that only has of port1 port, and reach the low frequency signal that only has of port2 port.
As shown in 4 figure,
Particularly, when n=4, there are 4 power division ports.Carry the radiofrequency signal of approximate Chebyshev's distribution power ratio, fixed skew △ Φ from port3, port4, port5, port6 tetra-ports, respectively via DE, FE, GH, IH microstrip line, EC, HC microstrip line, CB microstrip line, toward BA, the transmission of BJ microstrip line direction.For the signal toward the transmission of BA microstrip line direction, through the Pyatyi λ/4 metal open circuit details (length of λ is the electromagnetic wavelength corresponding to center frequency point of low frequency radio frequency signal work) such as 1,2,3,4,5, utilizing the path length difference of low frequency signal reflected phase will to realize high-frequency signal is high communication number, and low frequency signal is pick-off signal; For the signal toward the transmission of BJ microstrip line direction, through the Pyatyi λ/4 metal open circuit details (length of λ is the electromagnetic wavelength corresponding to center frequency point of high-frequency radio frequency signal work) such as 6,7,8,9,10, utilizing the path length difference of high-frequency signal reflected phase will to realize high-frequency signal is pick-off signal, and low frequency signal is high communication number.Finally, arrive the high-frequency signal that only has of port1 port, and reach the low frequency signal that only has of port2 port.
In like manner, 5 merits are divided, 6 merits divide ... n merit is graded and all can be realized power splitter, mixer Integration Design by mode of the present utility model.
Claims (4)
1. the microstrip power divider of an Integration Design, comprise pcb board, be distributed in the microstrip transmission line of its upper surface and be distributed in the metal ground plane of its lower surface, it is characterized in that: described microstrip transmission line comprises power divider and mixer, on pcb board, be provided with high-frequency signal port, low frequency signal port and be no less than the power division port of 2; Mixer is connected with power divider, and high-frequency signal port, low frequency signal port lay respectively at the two ends of mixer, and power division port is connected with power divider.
2. the microstrip power divider of a kind of Integration Design as claimed in claim 1, it is characterized in that: described high-frequency signal port comprises and is no less than 5 metals open circuit details, each metal open circuit detail is connected with mixer respectively, the length of each metal open circuit detail is λ/4, and λ is the electromagnetic wavelength corresponding to center frequency point of this branch road radiofrequency signal work.
3. the microstrip power divider of a kind of Integration Design as claimed in claim 1 or 2, it is characterized in that: described low frequency signal port comprises and is no less than 5 metals open circuit details, each metal open circuit detail is connected with mixer respectively, the length of each metal open circuit detail is λ/4, and λ is the electromagnetic wavelength corresponding to center frequency point of this branch road radiofrequency signal work.
4. the microstrip power divider of a kind of Integration Design as claimed in claim 1 or 2, is characterized in that: between described power division port, be set with fixed skew.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420082909.1U CN203690467U (en) | 2014-02-26 | 2014-02-26 | Micro-strip power divider of integrated design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420082909.1U CN203690467U (en) | 2014-02-26 | 2014-02-26 | Micro-strip power divider of integrated design |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203690467U true CN203690467U (en) | 2014-07-02 |
Family
ID=51012338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420082909.1U Expired - Lifetime CN203690467U (en) | 2014-02-26 | 2014-02-26 | Micro-strip power divider of integrated design |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203690467U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104202009A (en) * | 2014-09-03 | 2014-12-10 | 王少夫 | Distributed matching circuit |
| CN107658534A (en) * | 2016-07-25 | 2018-02-02 | 克洛依莱克特拉有限公司 | Combiner device |
| CN111740749A (en) * | 2020-05-15 | 2020-10-02 | 成都喜马拉雅电通网络有限公司 | Single-path power balanced distribution device for dual-polarized antenna |
| CN112736395A (en) * | 2020-12-07 | 2021-04-30 | 中国科学院空天信息创新研究院 | Wilkinson power divider |
| US11688947B2 (en) | 2019-06-28 | 2023-06-27 | RLSmith Holdings LLC | Radio frequency connectors, omni-directional WiFi antennas, omni-directional dual antennas for universal mobile telecommunications service, and related devices, systems, methods, and assemblies |
| US11777232B2 (en) | 2020-09-10 | 2023-10-03 | Integrity Microwave, LLC | Mobile multi-frequency RF antenna array with elevated GPS devices, systems, and methods |
-
2014
- 2014-02-26 CN CN201420082909.1U patent/CN203690467U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104202009A (en) * | 2014-09-03 | 2014-12-10 | 王少夫 | Distributed matching circuit |
| CN107658534A (en) * | 2016-07-25 | 2018-02-02 | 克洛依莱克特拉有限公司 | Combiner device |
| US11688947B2 (en) | 2019-06-28 | 2023-06-27 | RLSmith Holdings LLC | Radio frequency connectors, omni-directional WiFi antennas, omni-directional dual antennas for universal mobile telecommunications service, and related devices, systems, methods, and assemblies |
| CN111740749A (en) * | 2020-05-15 | 2020-10-02 | 成都喜马拉雅电通网络有限公司 | Single-path power balanced distribution device for dual-polarized antenna |
| CN111740749B (en) * | 2020-05-15 | 2024-10-15 | 成都喜马拉雅电通网络有限公司 | Single-path power balance distribution device for dual-polarized antenna |
| US11777232B2 (en) | 2020-09-10 | 2023-10-03 | Integrity Microwave, LLC | Mobile multi-frequency RF antenna array with elevated GPS devices, systems, and methods |
| CN112736395A (en) * | 2020-12-07 | 2021-04-30 | 中国科学院空天信息创新研究院 | Wilkinson power divider |
| CN112736395B (en) * | 2020-12-07 | 2022-04-05 | 中国科学院空天信息创新研究院 | Wilkinson power divider |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10886634B2 (en) | Filter feeding network and base station antenna | |
| CN203690467U (en) | Micro-strip power divider of integrated design | |
| CN103715522B (en) | A kind of multi-antenna array supporting multi-standard | |
| CN102904022B (en) | Symmetrical partially coupled microstrip slot feed patch antenna element | |
| US10320088B1 (en) | Balanced wideband impedance transformer | |
| CN106469848B (en) | A kind of broadband paster antenna based on double resonance mode | |
| CN110350312B (en) | 5G mobile terminal MIMO antenna based on circuit decoupling | |
| WO2015109706A1 (en) | Antenna unit and terminal | |
| US9577338B2 (en) | Antenna for achieving effects of MIMO antenna | |
| CN107004954B (en) | Dual-band antenna and antenna system | |
| CN103247866A (en) | Compact type broadband bicircular polarization patch antenna based on coupling microstrip line coupler | |
| CN103515700B (en) | A kind of RFID antenna | |
| CN103268987B (en) | A kind of small size three is unification multifrequency ceramic antenna frequently | |
| CN105375093A (en) | Microstrip power divider with adjustable working frequency | |
| CN106450683A (en) | Method of sending signals through broadband dual-polarization magneto-electric dipole base station antenna | |
| CN108521017B (en) | Feed network of large-scale MIMO antenna | |
| CN103700943B (en) | A kind of device supporting multiband beam shaping | |
| US9466883B2 (en) | Printed antenna and mobile communication equipment | |
| CN104882677A (en) | Difference slit MIMO (Multiple Input Multiple Output) antenna with high common mode rejection ratio | |
| CN105356071B (en) | A kind of multiport frequency dividing electrical tilt antenna | |
| KR102124641B1 (en) | Multi-Band Power Divider | |
| CN202268462U (en) | TD smart antenna and built-in micro-strip combiner thereof | |
| CN204651491U (en) | There is the difference gap mimo antenna of high cmrr | |
| CN104702308A (en) | Micro structure MiMo radio frequency front end assembly | |
| CN204271259U (en) | Multiband radiating element and mobile communication antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 430205 Hubei city of Wuhan province Jiangxia Hidden Dragon Island Tan lake two Road No. 1 Patentee after: CITIC Mobile Communication Technology Co.,Ltd. Address before: 430073 Hubei city of Wuhan province Wuhan Dongxin East Lake high tech Development Zone, Road No. 5 Patentee before: Wuhan Hongxin Telecommunication Technologies Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 430205 No.1 tanhu 2nd Road, Canglong Island, Jiangxia District, Wuhan City, Hubei Province Patentee after: CITIC Mobile Communication Technology Co.,Ltd. Address before: 430205 No.1 tanhu 2nd Road, Canglong Island, Jiangxia District, Wuhan City, Hubei Province Patentee before: CITIC Mobile Communication Technology Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |
|
| CX01 | Expiry of patent term |