CN207474638U - It is a kind of that there is the two-way cavity coupler with frequency combining - Google Patents
It is a kind of that there is the two-way cavity coupler with frequency combining Download PDFInfo
- Publication number
- CN207474638U CN207474638U CN201721572461.1U CN201721572461U CN207474638U CN 207474638 U CN207474638 U CN 207474638U CN 201721572461 U CN201721572461 U CN 201721572461U CN 207474638 U CN207474638 U CN 207474638U
- Authority
- CN
- China
- Prior art keywords
- coupling
- group
- delivery outlet
- input port
- cavity
- 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 - Fee Related
Links
Landscapes
- Details Of Television Systems (AREA)
Abstract
The utility model provides a kind of two-way cavity coupler for having the function of to be combined with frequency, including cavity；The first input port of external connection, the second input port, the first delivery outlet, the second delivery outlet and the coupling aperture of cavity；First group of coupling item, second group of coupling item and load resistance are installed in the cavity；The input terminal of first group of coupling item connects the first input port, and output terminal connects the first delivery outlet, and coupled end is connected with the coupling aperture of two-way cavity coupler, and isolation end is connected with the coupled end of second group of coupling item；The input terminal of second group of coupling item connects the second input port, and output terminal connects the second delivery outlet, isolation end connection load resistance.The utility model has simple and compact for structure, and small, at low cost, stability is high, and isolation performance is good, undamped with frequency combining part signal, it is easy to process the advantages that.It is mainly used for two-way homogenous frequency signal in communication system and is respectively coupled out part signal being combined output.
Description
Technical field
The utility model is related to cellular mobile communication fields, have the function of the two-way chamber with frequency combining more particularly to a kind of
Body coupler.
Background technology
It is largely emerged in large numbers recently as large-scale market, hotel and subway etc., indoor distributed system also presents newly
The characteristics of, in order to improve the construction speed of communication network and reduce the cost of repeated construction, a variety of communication standards share signal
The pattern of compartment system has been obtained for extensive use.It is carried out sometimes for part signal is respectively coupled out from two-way homogenous frequency signal
Combining, remaining signal normal transmission；In this case, it often requires it is made of two couplers and one with frequency combiner
One system, as a result, bulky, interface is numerous, expensive, big with frequency combining part signal attenuation（More than 3dB）.
It is contemplated that providing a kind of two-way cavity coupler for having the function of to be combined with frequency, it disclosure satisfy that and respectively coupled in two-way homogenous frequency signal
Go out part signal and be combined output, and undamped with frequency combining part signal.
Invention content
In order to overcome the above-mentioned prior art insufficient, the utility model provides a kind of two-way chamber for having the function of to be combined with frequency
Body coupler.Realize that two-way homogenous frequency signal is respectively coupled out part signal and is combined output, and be combined with frequency in a component
Part signal is undamped.
The utility model uses following technical scheme：It is a kind of that there is the two-way cavity coupler with frequency combining, spy
Sign is：Including cavity；The first input port of external connection of cavity, the second input port, the first delivery outlet, the second delivery outlet and
Coupling aperture；First group of coupling item, second group of coupling item and load resistance are installed in the cavity；First group of coupling item
Input terminal connects the first input port, and output terminal connects the first delivery outlet, and coupled end is connected with the coupling aperture of two-way cavity coupler,
Isolation end is connected with the coupled end of second group of coupling item；The input terminal of second group of coupling item connects the second input port, and output terminal connects
Connect the second delivery outlet, isolation end connection load resistance.
In one embodiment of the utility model, the first input port, the second input port, the first delivery outlet, the second delivery outlet with
And the signal of coupling aperture has identical frequency.
Compared with prior art, the utility model provides a kind of two-way cavity coupler for having the function of to be combined with frequency.
Small with simple and compact for structure, at low cost, stability is high, and isolation performance is good, undamped with frequency combining part signal, just
In processing the advantages that.It is mainly used for two-way homogenous frequency signal in communication system and is respectively coupled out part signal being combined output.
Description of the drawings
Fig. 1 is the structural topology figure of one embodiment of the utility model.
Fig. 2 is the simulation result figure of one embodiment of the utility model.
Fig. 3 is the internal structure schematic diagram of one embodiment of the utility model.
Fig. 4 is the side structure schematic view of one embodiment of the utility model.
Specific embodiment
Explanation is further explained to the utility model in the following with reference to the drawings and specific embodiments.
The utility model provides a kind of two-way cavity coupler for having the function of to be combined with frequency, including cavity；Cavity
The first input port of external connection, the second input port, the first delivery outlet, the second delivery outlet and coupling aperture；It is installed in the cavity
There are first group of coupling item, second group of coupling item and load resistance；The input terminal of first group of coupling item connects the first input port,
Output terminal connects the first delivery outlet, and coupled end is connected with the coupling aperture of two-way cavity coupler, and isolation end couples item with second group
Coupled end be connected；The input terminal of second group of coupling item connects the second input port, and output terminal connects the second delivery outlet, and isolation end connects
Connect load resistance.
In one embodiment of the utility model, the first input port, the second input port, the first delivery outlet, the second delivery outlet with
And the signal of coupling aperture has identical frequency.
The utility model has the function of the two-way cavity coupler with frequency combining, is to make two using in a cavity
The identical coupler of the required degree of coupling.In one embodiment of the utility model, above-mentioned work(is realized with topological structure shown in FIG. 1
Can, by taking two-way 10dB couplers as an example.The coupling aperture of first via 10dB couplers is as two-way cavity coupler output coupling mouth
5, input port and delivery outlet are respectively two-way cavity coupler input port 1 and delivery outlet 3, isolated port and the second road 10dB couplers
Coupling aperture be connected；The input port of second road 10dB couplers and delivery outlet are respectively 4 He of two-way cavity coupler input port
Delivery outlet 2.After being emulated using computer simulation software, the results are shown in Figure 2, input port 1 and the isolation of input port 4 are big
In 25dB, the isolation of delivery outlet 3 and delivery outlet 2 is more than 25dB, and input port 1 and the isolation of delivery outlet 2 are more than 30dB, input
Mouthfuls 4 and the isolation of delivery outlet 3 are 20dB, and the degree of coupling of input port 1 and coupling aperture 5 is 10dB, input port 4 and coupling aperture 5
The degree of coupling is 10dB.Under the action of first group of coupling item 8 and second group of coupling item 9, coupling and the conjunction of homogenous frequency signal are realized
Road exports, and reduces processing cost and reduces the quantity of the communication device of indoor distributed system.
Further, in one embodiment of the utility model, two-way cavity coupler internal structure schematic diagram is referring to Fig. 3, side
Depending on structure diagram referring to Fig. 4.Two-way cavity coupler, including cavity 1, the first input port of external connection 2, second of cavity is defeated
Entrance 5, the first delivery outlet 4, the second delivery outlet 3 and coupling aperture 6, inside installation first group of coupling item, 8, second groups of couplings of cavity
Close item 9 and load resistance 7.The input terminal of first group of coupling item 8 connects the first input port, and output terminal connects the first delivery outlet 4, coupling
It closes end with the coupling aperture 6 of two-way cavity coupler to be connected, isolation end is connected with the coupled end of second group of coupling item 9；Second group of coupling
The input terminal for closing item 9 connects the second input port 5, and output terminal connects the second delivery outlet 3, and isolation end is connected with load resistance 7.
Under the action of one group of coupling item 8 and second group of coupling item 9, realize the coupling of homogenous frequency signal and be combined output, reduction is processed into
Sheet and the quantity of communication device for reducing indoor distributed system.
1st group of part signal is through the first input port and first group of coupling article, and coupling aperture is coupled out the 1st group of signal, remaining the 1st
Group signal is exported to the first delivery outlet；2nd group of coupled end of the part signal through the second input port and second group of coupling article and first
The isolation end of group coupling item, then the coupled end through first group of coupling item are connected with coupling aperture, remaining the 2nd group of signal is exported to second
Delivery outlet；Since the path that 2 groups of signals reach public coupling aperture is variant, so the coupling of second group of coupling item of appropriate slightly adjustment
It is right, you can the degree of coupling for meeting 2 groups of public coupling apertures of signals arrival is roughly equal.
It is the preferred embodiment of the utility model above, all changes made according to technical solutions of the utility model are produced
Function without departing from technical solutions of the utility model range when, belong to the scope of protection of the utility model.
Claims (2)
1. a kind of have the function of the two-way cavity coupler with frequency combining, it is characterised in that：Including cavity；The external connection of cavity
First input port, the second input port, the first delivery outlet, the second delivery outlet and coupling aperture；First group is equipped in the cavity
Couple item, second group of coupling item and load resistance；The input terminal of first group of coupling item connects the first input port, and output terminal connects
The first delivery outlet is connect, coupled end is connected with the coupling aperture of two-way cavity coupler, the coupled end that isolation end couples item with second group
It is connected；The input terminal of second group of coupling item connects the second input port, and output terminal connects the second delivery outlet, isolation end connection load electricity
Resistance.
2. according to claim 1 have the function of the two-way cavity coupler with frequency combining, it is characterised in that：First input
Mouth, the second input port, the first delivery outlet, the second delivery outlet and coupling aperture signal there is identical frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721572461.1U CN207474638U (en) | 2017-11-22 | 2017-11-22 | It is a kind of that there is the two-way cavity coupler with frequency combining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721572461.1U CN207474638U (en) | 2017-11-22 | 2017-11-22 | It is a kind of that there is the two-way cavity coupler with frequency combining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207474638U true CN207474638U (en) | 2018-06-08 |
Family
ID=62258185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721572461.1U Expired - Fee Related CN207474638U (en) | 2017-11-22 | 2017-11-22 | It is a kind of that there is the two-way cavity coupler with frequency combining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207474638U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681241A (en) * | 2017-11-22 | 2018-02-09 | 福州同创微波通讯技术有限公司 | A kind of two-way cavity coupler and method of work having with frequency combining function |
| CN109982339A (en) * | 2017-12-28 | 2019-07-05 | 中国电信股份有限公司 | Indoor distributed system and two-way coupler |
| CN114679693A (en) * | 2022-03-22 | 2022-06-28 | 中国电信股份有限公司 | Coupling device and indoor distribution system |
-
2017
- 2017-11-22 CN CN201721572461.1U patent/CN207474638U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681241A (en) * | 2017-11-22 | 2018-02-09 | 福州同创微波通讯技术有限公司 | A kind of two-way cavity coupler and method of work having with frequency combining function |
| CN107681241B (en) * | 2017-11-22 | 2023-11-03 | 福州同创微波通讯技术有限公司 | Double-channel cavity coupler with same-frequency combining function |
| CN109982339A (en) * | 2017-12-28 | 2019-07-05 | 中国电信股份有限公司 | Indoor distributed system and two-way coupler |
| CN109982339B (en) * | 2017-12-28 | 2022-02-25 | 中国电信股份有限公司 | Indoor distribution system |
| CN114679693A (en) * | 2022-03-22 | 2022-06-28 | 中国电信股份有限公司 | Coupling device and indoor distribution system |
| CN114679693B (en) * | 2022-03-22 | 2023-12-19 | 中国电信股份有限公司 | Coupling device and chamber division system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207474638U (en) | It is a kind of that there is the two-way cavity coupler with frequency combining | |
| WO2005031990A3 (en) | System and methods that employ a balanced duplexer | |
| CN207199813U (en) | A kind of new double fluid is the same as frequency coupler | |
| CN107681241A (en) | A kind of two-way cavity coupler and method of work having with frequency combining function | |
| CN112563712B (en) | Terminating complex impedance directional coupler with harmonic suppression function and design method | |
| CN101789761A (en) | Capacitance negative feedback type low noise amplifier | |
| CN103915665B (en) | The balancing band bandpass filter that a kind of compact ultra broadband biobelt falls into | |
| CN100495814C (en) | Any dual-frequency band 3dB branch directional coupler | |
| CN104143672A (en) | Dual-frequency duplexer provided with branchy pitch line loading matching network | |
| CN112838840B (en) | Broadband equal-power distribution/synthesis circuit topology with broadband deep isolation | |
| CN106067768A (en) | Mesh power amplifier in broadband | |
| CN108011160A (en) | A kind of K-band minimizes orthomode transducer | |
| CN2487163Y (en) | Ether net long line driver | |
| CN113629373B (en) | Coupler, loop indoor distribution system and signal equalization method | |
| CN204706621U (en) | Mini Microstrip coupler | |
| CN108428991A (en) | A kind of miniaturization high bandwidth steering coupler | |
| CN207939478U (en) | One kind exactly matching formula amplitude limit low-noise amplifier | |
| CN201611870U (en) | Capacitance negative feedback type low noise amplifier | |
| CN106025471A (en) | Balanced filter branch line coupler | |
| CN102364873B (en) | Circuit and method for improving coupling directionality | |
| CN206332153U (en) | Multichannel common cavity combiner | |
| CN201749930U (en) | Millimeter-wave broadband triple power divider | |
| CN206004629U (en) | Mesh power amplifier in broadband | |
| CN206834310U (en) | A kind of adjustable micro-strip duplexer of four-way | |
| CN210489797U (en) | Low-loss same-frequency combiner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180608 Termination date: 20211122 |