CN108923788A - A kind of 30 ~ 88MHZ four-in-one combiner based on impedance matching network - Google Patents
A kind of 30 ~ 88MHZ four-in-one combiner based on impedance matching network Download PDFInfo
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- CN108923788A CN108923788A CN201810586797.6A CN201810586797A CN108923788A CN 108923788 A CN108923788 A CN 108923788A CN 201810586797 A CN201810586797 A CN 201810586797A CN 108923788 A CN108923788 A CN 108923788A
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- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 238000002955 isolation Methods 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
-
- 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
- H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
Abstract
The present invention provides a kind of 30~88MHZ four-in-one combiner based on impedance matching network, including antenna combiner and filter group, the filter group includes 4 radio-frequency channel input ports, 4 radio-frequency channel input ports realize the input of 30~88MHZ frequency, and the radio-frequency channel input port includes：Normal impedance adjustment circuit, first end couple a signal feed-in port, are a normal impedance value to adjust the impedance between radio-frequency channel input port and the signal feed-in port；An and passive device, to provide a reactance of non-zero, it is coupled to the second end and radio-frequency channel input port of the normal impedance adjustment circuit, wherein passive device reactance provided by makes the intersection of the reflection coefficient curve generation of radio-frequency channel input port at least once.Four radio station may be implemented and work at the same time the demand on antenna all the way, have Insertion Loss small, the features such as isolation is big.
Description
Technical field
The present invention relates to New Technology Of Shortwave Communication field, more particularly, to a kind of 30 based on impedance matching network~
88MHZ four-in-one combiner.
Background technique
In order to adapt to the needs of China's Modern Information, remote multichannel communication is realized, locomotive is provided with more at present
Portion radio station, still, antenna can interfere with each other to influence to send and receive information when working between radio station.Antenna combiner is ground
Hair can make work receive on antenna all the way simultaneously in the radio station of different frequency and send information, not only reduce antenna
Quantity has saved cost, it is often more important that the phenomenon that realizing when multi-section radio station works at the same time without interfering with each other improves communication
Quality.
In wireless aerial communication system, most antenna combiners is two combinings currently on the market, i.e., only two
Radio station can work at the same time on antenna all the way.With the development of mobile communication technology, two combinings can not meet more gradually
The requirement that multi-section radio station works on antenna all the way simultaneously.
Summary of the invention
The present invention provides a kind of one kind for overcoming the above problem or at least being partially solved the above problem and is based on impedance
30~88MHZ four-in-one combiner of distribution network, solving combiner in the prior art can not meet more multi-section radio station while existing
The problem of requirement to work on antenna all the way.
According to an aspect of the present invention, a kind of 30~88MHZ four-in-one combining based on impedance matching network is provided
Device, including antenna combiner and filter group, the filter group include 4 radio-frequency channel input ports, and 4 radio frequencies are logical
Road input port realizes the input of 30~88MHZ frequency, and the radio-frequency channel input port includes：
Normal impedance adjustment circuit, first end couples a signal feed-in port, to adjust radio-frequency channel input port
Impedance between the signal feed-in port is a normal impedance value；
And one passive device to provide a reactance of non-zero be coupled to the second end of the normal impedance adjustment circuit
And radio-frequency channel input port, wherein passive device reactance provided by makes the anti-of radio-frequency channel input port
Penetrate the intersection of coefficient curve generation at least once.
Preferably, the antenna combiner includes peripheral circuit, the peripheral circuit includes 16 × 2 liquid crystal displays
Device, 4 × 3 keyboards, LED light control radio frequency exchange module.
Preferably, if when the corresponding frequency of radio station of 4 radio-frequency channel input ports does not conflict, according to each between radio station
From frequency transmitting and receive information；
If the corresponding frequency of radio station of 4 radio-frequency channel input ports has conflict and is in transmission state, according to the excellent of radio station
The high radio station channel of priority is opened, simultaneously closes off the lower radio station channel of the priority to conflict therewith by first grade；
If the existing transmission of the corresponding frequency of radio station of 4 radio-frequency channel input ports has reception again, if having in conflict radio station
Main, then main corresponding channel is opened, simultaneously closes off the radio station channel to conflict therewith, if only belonging to platform in conflict radio station,
Transmitting station corresponding channel is opened, the channel in the reception radio station to conflict therewith is closed.
Preferably, the antenna combiner includes on-site programmable gate array FPGA, the FPGA is for receiving 4
The frequency code information of a radio-frequency channel input port, and frequency code is converted into corresponding frequency control radio-frequency channel filter
Switch.
The present invention proposes a kind of 30~88MHZ four-in-one combiner based on impedance matching network, and antenna combiner can be with
It realizes that four radio station work at the same time the demand on antenna all the way, has Insertion Loss small, the features such as isolation is big.
Detailed description of the invention
Fig. 1 is 30~88MHZ four-in-one combiner schematic diagram based on impedance matching network according to the embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
As shown in Figure 1, a kind of 30~88MHZ four-in-one combiner based on impedance matching network is shown in figure, including
Antenna combiner and filter group, the filter group include 4 radio-frequency channel input ports, 4 radio-frequency channel inputs
The input of 30~88MHZ frequency is realized in port, and the radio-frequency channel input port includes：
Normal impedance adjustment circuit, first end couples a signal feed-in port, to adjust radio-frequency channel input port
Impedance between the signal feed-in port is a normal impedance value；
And one passive device to provide a reactance of non-zero be coupled to the second end of the normal impedance adjustment circuit
And radio-frequency channel input port, wherein passive device reactance provided by makes the anti-of radio-frequency channel input port
Penetrate the intersection of coefficient curve generation at least once.
Preferably, the antenna combiner includes peripheral circuit, the peripheral circuit includes 16 × 2 liquid crystal displays
Device, 4 × 3 keyboards, LED light control radio frequency exchange module.
Preferably, if when the corresponding frequency of radio station of 4 radio-frequency channel input ports does not conflict, according to each between radio station
From frequency transmitting and receive information；
If the corresponding frequency of radio station of 4 radio-frequency channel input ports has conflict and is in transmission state, according to the excellent of radio station
The high radio station channel of priority is opened, simultaneously closes off the lower radio station channel of the priority to conflict therewith by first grade；
If the existing transmission of the corresponding frequency of radio station of 4 radio-frequency channel input ports has reception again, if having in conflict radio station
Main, then main corresponding channel is opened, simultaneously closes off the radio station channel to conflict therewith, if only belonging to platform in conflict radio station,
Transmitting station corresponding channel is opened, the channel in the reception radio station to conflict therewith is closed.
Preferably, the antenna combiner includes on-site programmable gate array FPGA, the FPGA is for receiving 4
The frequency code information of radio-frequency channel input port, and frequency code is converted into opening for corresponding frequency control radio-frequency channel filter
It closes.
The present invention proposes a kind of 30~88MHZ four-in-one combiner based on impedance matching network, and antenna combiner can be with
It realizes that four radio station work at the same time the demand on antenna all the way, has Insertion Loss small, the features such as isolation is big.
Those of ordinary skill in the art will appreciate that：Realize that all or part of the steps of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can be stored in a computer readable storage medium, the program
When being executed, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes：ROM, RAM, magnetic disk or light
The various media that can store program code such as disk.
The embodiments such as the test equipment of display device described above are only schematical, wherein described as separation
The unit of part description may or may not be physically separated, component shown as a unit can be or
It can not be physical unit, it can it is in one place, or may be distributed over multiple network units.It can be according to reality
Border needs to select some or all of the modules therein to achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art
Without paying creative labor, it can understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should
Computer software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation
Method described in certain parts of example or embodiment.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the embodiment of the present invention, rather than right
It is limited；Although the embodiment of the present invention is described in detail referring to foregoing embodiments, the ordinary skill of this field
Personnel should understand that：It is still possible to modify the technical solutions described in the foregoing embodiments, or to part
Or all technical features are equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution
The range of each embodiment technical solution of the embodiment of the present invention.
Claims (4)
1. a kind of 30~88MHZ four-in-one combiner based on impedance matching network, which is characterized in that including antenna combiner and
Filter group, the filter group include 4 radio-frequency channel input ports, and 4 radio-frequency channel input ports realize 30~
The input of 88MHZ frequency, the radio-frequency channel input port include：
Normal impedance adjustment circuit, first end couple a signal feed-in port, to adjust radio-frequency channel input port and be somebody's turn to do
Impedance between signal feed-in port is a normal impedance value；
And a passive device, providing a reactance of non-zero, be coupled to the normal impedance adjustment circuit second end and
Radio-frequency channel input port, wherein passive device reactance provided by makes the reflection system of radio-frequency channel input port
Number curve generates intersection at least once.
2. 30~88MHZ four-in-one combiner according to claim 1 based on impedance matching network, which is characterized in that
The antenna combiner includes peripheral circuit, and the peripheral circuit includes 16 × 2 liquid crystal displays, 4 × 3 keyboards, LED indication
Lamp controls radio frequency exchange module.
3. 30~88MHZ four-in-one combiner according to claim 1 based on impedance matching network, which is characterized in that
If the corresponding frequency of radio station of 4 radio-frequency channel input ports does not conflict, emits and receive according to respective frequency between radio station
Information；
If the corresponding frequency of radio station of 4 radio-frequency channel input ports has conflict and is in transmission state, according to the priority scheduling in radio station
The high radio station channel of priority is opened, simultaneously closes off the lower radio station channel of the priority to conflict therewith by grade；
If the existing transmission of the corresponding frequency of radio station of 4 radio-frequency channel input ports has reception again, if having main in conflict radio station,
Main corresponding channel is then opened, the radio station channel to conflict therewith is simultaneously closed off, it, will transmitting if only belonging to platform in conflict radio station
Radio station corresponding channel is opened, and the channel in the reception radio station to conflict therewith is closed.
4. 30~88MHZ four-in-one combiner according to claim 1 based on impedance matching network, which is characterized in that
The antenna combiner includes on-site programmable gate array FPGA, and the FPGA is for receiving 4 radio-frequency channel input ports
Frequency code information, and frequency code is converted into the switch that corresponding frequency controls radio-frequency channel filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810586797.6A CN108923788A (en) | 2018-06-06 | 2018-06-06 | A kind of 30 ~ 88MHZ four-in-one combiner based on impedance matching network |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810586797.6A CN108923788A (en) | 2018-06-06 | 2018-06-06 | A kind of 30 ~ 88MHZ four-in-one combiner based on impedance matching network |
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| CN108923788A true CN108923788A (en) | 2018-11-30 |
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| CN201810586797.6A Pending CN108923788A (en) | 2018-06-06 | 2018-06-06 | A kind of 30 ~ 88MHZ four-in-one combiner based on impedance matching network |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112929038A (en) * | 2021-02-09 | 2021-06-08 | 北斗星通智联科技有限责任公司 | Vehicle-mounted radio frequency device, system and automobile |
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| CN201323657Y (en) * | 2008-12-01 | 2009-10-07 | 合肥恒和通信有限公司 | A multi-system combination platform cable separating apparatus |
| EP2388912B1 (en) * | 2010-05-04 | 2013-11-20 | Nxp B.V. | Power control of reconfigurable outphasing Chireix amplifiers and methods |
| US20150035599A1 (en) * | 2013-07-30 | 2015-02-05 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Power amplifier and distributed filter |
| CN104953217A (en) * | 2015-06-11 | 2015-09-30 | 武汉嘉瑞科技有限公司 | Four-in-one antenna combining system |
| CN105655726A (en) * | 2014-10-28 | 2016-06-08 | 深圳市南方硅谷微电子有限公司 | Impedance matching circuit |
| CN207134454U (en) * | 2017-09-13 | 2018-03-23 | 武汉中元通信股份有限公司 | A kind of four frequency combiners |
-
2018
- 2018-06-06 CN CN201810586797.6A patent/CN108923788A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201323657Y (en) * | 2008-12-01 | 2009-10-07 | 合肥恒和通信有限公司 | A multi-system combination platform cable separating apparatus |
| EP2388912B1 (en) * | 2010-05-04 | 2013-11-20 | Nxp B.V. | Power control of reconfigurable outphasing Chireix amplifiers and methods |
| US20150035599A1 (en) * | 2013-07-30 | 2015-02-05 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Power amplifier and distributed filter |
| CN105655726A (en) * | 2014-10-28 | 2016-06-08 | 深圳市南方硅谷微电子有限公司 | Impedance matching circuit |
| CN104953217A (en) * | 2015-06-11 | 2015-09-30 | 武汉嘉瑞科技有限公司 | Four-in-one antenna combining system |
| CN207134454U (en) * | 2017-09-13 | 2018-03-23 | 武汉中元通信股份有限公司 | A kind of four frequency combiners |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112929038A (en) * | 2021-02-09 | 2021-06-08 | 北斗星通智联科技有限责任公司 | Vehicle-mounted radio frequency device, system and automobile |
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Application publication date: 20181130 |