CN206541915U - A kind of four frequency cavity combiners for mobile communication - Google Patents
A kind of four frequency cavity combiners for mobile communication Download PDFInfo
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- CN206541915U CN206541915U CN201720195644.XU CN201720195644U CN206541915U CN 206541915 U CN206541915 U CN 206541915U CN 201720195644 U CN201720195644 U CN 201720195644U CN 206541915 U CN206541915 U CN 206541915U
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- resonator
- wave filter
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- filter
- mobile communication
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Abstract
The utility model is related to technical field of electronic communication, discloses a kind of four frequency cavity combiners for mobile communication.Including input port, first public chamber, second public chamber, first wave filter, second wave filter, 3rd wave filter and the 4th wave filter, the input port is the public port of the first public chamber and the second public chamber, the input port is arranged on the outside of combiner, the first public resonator is respectively adopted in first public chamber and the second public chamber and the second public resonator is realized, first wave filter and the second wave filter are all connected with the first public chamber, 3rd wave filter and the 4th wave filter connect the second public chamber, first wave filter, second wave filter, 3rd wave filter and the 4th wave filter are respectively provided with output port, the output port is arranged on the outside of combiner.The program effectively reduces intermodulation distortion using two common chambers；And two public chamber compact conformations, it is easy to process, realize that multifrequency quantity extends.
Description
Technical field
The utility model is related to technical field of electronic communication, particularly a kind of four frequency cavity combinings for mobile communication
Device.
Background technology
A variety of communication systems such as existing 2G, 3G, 4G are inevitable to be existed simultaneously within a period of time, if each system is self-built corresponding
Indoor distributed system, the waste of resource must be caused.Multiplefrequency mixer can carry out multi-band signal synthesis afterwards secondary all the way
Processing, it is possible to decrease system cost, is also to solve the visual plant that multisystem interferes with each other problem.Compared with microstrip circuit structure,
Cavity combiner has the advantages that low-loss, high out-of-side rejection are widely used than, big power capacity.
Traditional single cavity body filter design structure easily selection and realizes, but for by multiple wave filter groups into conjunction
For the device of road, with the increase of combining channel quantity, the selection of structure is most important, it will directly influence being designed to for product
Lose.By taking four conventional frequency combiners as an example, traditional combiner structure is mainly star-like tap structure and uses common cavity body phase
The combiner structure of connection.The port numbers of both combiners is consistent, and the input port of star-like connection header structure is directly with four
The connection of individual wave filter, is not easy to the expansion of number of channels, and the input port of public chamber structure connect a public chamber it
It is connected afterwards with four wave filters, it is adaptable to the close combiner of frequency band, and realizes the combiner ten to band separation farther out
Divide difficulty.
Utility model content
Goal of the invention of the present utility model is：For above-mentioned problem there is provided a kind of for mobile communication
Four frequency cavity combiners.
The technical solution adopted in the utility model is such：A kind of four frequency cavity combiners for mobile communication, tool
Body includes input port, the first public chamber, the second public chamber, the first wave filter, the second wave filter, the 3rd wave filter and the
Four wave filters, the input port is the public port of the first public chamber and the second public chamber, and the input port is set
In the outside of combiner, the first public resonator is respectively adopted and second public in first public chamber and the second public chamber
Resonator realizes that first wave filter and the second wave filter are all connected with the first public chamber, the 3rd wave filter and the 4th
Wave filter connects the second public chamber, and first wave filter, the second wave filter, the 3rd wave filter and the 4th wave filter are respectively provided with
Output port, the output port is arranged on the outside of combiner.
Further, first wave filter, the second wave filter, the 3rd wave filter and the 4th wave filter use Qie Bixue
Husband's wave filter.
Further, the exponent number of first wave filter is 8 ranks, and first wave filter has the one one resonator, the
One or two resonators, the one or three resonator, the one or four resonator, the one or five resonator, the one or six resonator and the one or seven resonator,
Between the first public resonator and the one one resonator, between the one or three resonator and the one or four resonator, it is the one or six humorous
Shake and main coupling unit is formed between device and the one or seven resonator, between the one one resonator and the one or three resonator, first
The one or two resonator and the one or five resonator, the one or two resonance are with the addition of between four resonators and the one or six resonator respectively
Device and the one or five resonator are cross-couplings resonator.
Further, the exponent number of second wave filter is 9 ranks, and second wave filter has the 2nd 1 resonator, the
Two or two resonators, the two or three resonator, the two or four resonator, the two or five resonator, the two or six resonator, the two or seven resonator and
Two or eight resonator, between the first public resonator and the 2nd 1 resonator, the 2nd 1 resonator and the two or two resonator
Between, the two or two resonator and the two or three resonator, the two or three resonator and the two or four resonator, the two or seven resonator and second
Main coupling unit is formed between eight resonators, the two or five resonance is with the addition of between the two or four resonator and the two or six resonator
Device, the two or five resonator is cross-couplings resonator.
Further, the exponent number of the 3rd wave filter is 7 ranks, and the 3rd wave filter has the 3rd 1 resonator, the
Three or two resonators, the three or three resonator, the three or four resonator, the three or five resonator, the three or six resonator and pseudo-ginseng resonator,
Between the second public resonator and the 3rd 1 resonator, between the 3rd 1 resonator and the three or two resonator, it is the three or five humorous
Shake and main coupling unit is formed between device and the three or six resonator, with the addition of between the three or two resonator and the three or four resonator
Three or three resonator, the three or three resonator is cross-couplings resonator.
Further, the exponent number of the 4th wave filter is 6 ranks, and the 4th wave filter has the 4th 1 resonator, the
Four or two resonators, the four or three resonator, the four or four resonator, the four or five resonator and the four or six resonator, described second is public
Between resonator and the 4th 1 resonator, between the 4th 1 resonator and the four or two resonator, the four or two resonator and the four or three
Formed between resonator, between the four or three resonator and the four or four resonator, between the four or four resonator and the four or five resonator
Main coupling unit.
Further, the four frequency cavity combiners for mobile communication also include cavity cover plate, the cavity cover plate
Upper setting screw.
In summary, by adopting the above-described technical solution, the beneficial effects of the utility model are：
1. four frequencies cavity combiner structure of the present utility model, it is easy to accomplish multifrequency quantity extends, and solves channel frequency
It is spaced far, the technical barrier for the technology realized in engineering；
2. the frequency cavity combiner of the utility model four is effectively reduced intermodulation distortion, can also reduced using two common cavity configurations
Debugging difficulty；Two public chamber compact conformations, it is easy to process, replicability is good, is easy to produce in enormous quantities, reduces cost；
3. the order design of the bandpass filter of the frequency cavity combiner of the utility model four rationally, using generalized chebyshev
Wave filter, passband Out-of-band rejection performance is significantly improved.
Brief description of the drawings
Fig. 1 is the structural representation of four frequency combiner of the present utility model.
Fig. 2 is four frequency combiners topological structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain
The utility model, is not used to limit the utility model.
As shown in figure 1, a kind of four frequency cavity combiners for mobile communication, input port P is specifically included, first public
Cavity, the second public chamber, the first wave filter Filter 1, the second wave filter Filter 2, the and of the 3rd wave filter Filter 3
4th wave filter Filter 4, the input port P are the public ports of the first public chamber and the second public chamber, described defeated
Inbound port P is arranged on the outside of combiner, and the first public resonance is respectively adopted in first public chamber and the second public chamber
The public resonator Resonator 2 of device Resonator 1 and second realize that the first wave filter Filter 1 and second is filtered
Device Filter 2 is all connected with the first public chamber, the 3rd wave filter Filter 3 and the 4th wave filter Filter 4 connection
Two public chambers, the first wave filter Filter 1, the second wave filter Filter 2, the 3rd wave filter Filter 3 and the 4th
It is respectively output port P1, output port P2, output port P3, output port that wave filter Filter 4, which is respectively provided with output port,
P4, the output port P1, output port P2, output port P3, output port P4 are arranged at the outside of combiner.This programme
Four frequency cavity combiner electromagnetic performances it is excellent, solve star structure number of channels and be difficult to extend and be total to cavity configuration channel frequency
The problem spaced far for being difficult to realize.
The first wave filter Filter 1, the second wave filter Filter 2, the 3rd wave filter Filter 3 and the 4th filter
Ripple device Filter 4 uses Chebyshev filter, effectively improves passband Out-of-band rejection performance.First wave filter
Filter 1, the second wave filter Filter 2, the 3rd wave filter Filter 3 and the 4th wave filter Filter 4 passband difference
For：890~960MHz、820~880MHz、1920~2130MHz、2320~2370MHz；The dB of insertion loss≤2, return loss≤-
15 dB, Out-of-band rejection：Distally >=60 dB, the dB of near-end >=40.
Such as Fig. 2 is four frequency combiners topological structure schematic diagram of the present utility model, with reference to Fig. 2 topological structure, Ke Yishi
The concrete structure arrangement of existing wave filter, and then realize four frequency combiners structure of the present utility model.
The exponent number of the first wave filter Filter 1 is 8 ranks, and the first wave filter Filter 1 is humorous with the 1st
Shake device 11, the one or two resonator 12, the one or three resonator 13, the one or four resonator 14, the one or five resonator 15, the one or six resonance
The 11, the 1st between the resonator 17 of device 16 and the 1st, the first public resonators of resonator Resonator 1 and the 1st
Main coupling is formed between the resonator 14 of resonator 13 and the 1st, between the one or six resonator 16 and the one or seven resonator 17 single
Member, between the one one resonator 11 and the one or three resonator 13, between the one or four resonator 14 and the one or six resonator 16
The one or two resonator 12 and the one or five resonator 15 are with the addition of respectively, and the one or two resonator 12 and the one or five resonator 15 are equal
For cross-couplings resonator, the first wave filter Filter 1 has 2 magnetic coupling zero points.
The exponent number of the second wave filter Filter 2 is 9 ranks, and the second wave filter Filter 2 is humorous with the 2nd 1
Shake device 21, the two or two resonator 22, the two or three resonator 23, the two or four resonator 24, the two or five resonator 25, the two or six resonance
Device 26, the two or seven resonator 27 and the two or eight resonator 28, the first public resonance of resonator Resonator 1 and the 2nd 1
22, the 2nd 2 resonator 22 and the two or three resonator 23, between device 21, between the 2nd 1 resonator 21 and the two or two resonator
Main coupling is formed between two or three resonators 23 and the two or four resonator 24, the two or seven resonator 27 and the two or eight resonator 28 single
Member, with the addition of the two or five resonator 25, the two or five resonance between the two or four resonator 24 and the two or six resonator 26
Device 25 is cross-couplings resonator, and the second wave filter Filter 2 has 1 and is electrically coupled zero point.
The exponent number of the 3rd wave filter Filter 3 is 7 ranks, and the 3rd wave filter Filter 3 is humorous with the 3rd 1
Shake device 31, the three or two resonator 32, the three or three resonator 33, the three or four resonator 34, the three or five resonator 35, the three or six resonance
Device 36 and pseudo-ginseng resonator 37, between second public the resonator Resonator2 and the 3rd 1 resonator 31, the 3rd 1
Main coupling is formed between the resonator 32 of resonator 31 and the 3rd 2, between the three or five resonator 35 and the three or six resonator 36 single
Member, with the addition of the three or three resonator 33, the three or three resonance between the device of the three or two resonance 32 and the three or four resonator 34
Device 33 is cross-couplings resonator, and the 3rd wave filter Filter 3 has 1 magnetic coupling zero point.
The exponent number of the 4th wave filter Filter 4 is 6 ranks, and the 4th wave filter Filter 4 is humorous with the 4th 1
Shake device 41, the four or two resonator 42, the four or three resonator 43, the four or four resonator 44, the four or five resonator 45 and the 4th 6 is humorous
Shake device 46, between the second public resonators 41 of resonator Resonator 2 and the 4th 1, the 4th 1 resonator 41 and the 4th
Between two resonators 42, between the four or two resonator 42 and the four or three resonator 43, the four or three resonator 43 and the four or four resonance
Main coupling unit, the 4th wave filter are formed between device 44, between the four or four resonator 44 and the four or five resonator 45
Filter 4 does not need any cross-couplings resonator.
The four frequency cavity combiners for mobile communication also include setting spiral shell on cavity cover plate, the cavity cover plate
Nail, realizes tuning.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modifications, equivalent substitutions and improvements made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (7)
1. a kind of four frequency cavity combiners for mobile communication, it is characterised in that：Including input port, the first public chamber,
Second public chamber, the first wave filter, the second wave filter, the 3rd wave filter and the 4th wave filter, the input port is first
The public port of public chamber and the second public chamber, the input port is arranged on the outside of combiner, and described first is public
The first public resonator is respectively adopted in cavity and the second public chamber and the second public resonator is realized, first wave filter and
Second wave filter is all connected with the first public chamber, and the 3rd wave filter and the 4th wave filter connect the second public chamber, described
First wave filter, the second wave filter, the 3rd wave filter and the 4th wave filter are respectively provided with output port, and the output port is arranged on
The outside of combiner.
2. it is used for four frequency cavity combiners of mobile communication as claimed in claim 1, it is characterised in that：First filtering
Device, the second wave filter, the 3rd wave filter and the 4th wave filter use Chebyshev filter.
3. it is used for four frequency cavity combiners of mobile communication as claimed in claim 2, it is characterised in that：First wave filter
Exponent number be 8 ranks, first wave filter has the one one resonator, the one or two resonator, the one or three resonator, the one or four humorous
Shake device, the one or five resonator, the one or six resonator and the one or seven resonator, the first public resonator and the one one resonator
Between, between the one or three resonator and the one or four resonator, between the one or six resonator and the one or seven resonator form main coupling
Unit, adds respectively between the one one resonator and the one or three resonator, between the one or four resonator and the one or six resonator
The one or two resonator and the one or five resonator are added, the one or two resonator and the one or five resonator are cross-couplings resonance
Device.
4. it is used for four frequency cavity combiners of mobile communication as claimed in claim 3, it is characterised in that：Second wave filter
Exponent number be 9 ranks, second wave filter has the 2nd 1 resonator, the two or two resonator, the two or three resonator, the two or four humorous
Shake device, the two or five resonator, the two or six resonator, the two or seven resonator and the two or eight resonator, the first public resonator
And the 2nd 1 between resonator, between the 2nd 1 resonator and the two or two resonator, the two or two resonator and the two or three resonator,
Main coupling unit is formed between two or three resonator and the two or four resonator, the two or seven resonator and the two or eight resonator, it is described
The two or five resonator is with the addition of between two or four resonator and the two or six resonator, the two or five resonator is that cross-couplings are humorous
Shake device.
5. it is used for four frequency cavity combiners of mobile communication as claimed in claim 4, it is characterised in that：3rd wave filter
Exponent number be 7 ranks, the 3rd wave filter has the 3rd 1 resonator, the three or two resonator, the three or three resonator, the three or four humorous
Shake device, the three or five resonator, the three or six resonator and pseudo-ginseng resonator, the second public resonator and the 3rd 1 resonator
Between, between the 3rd 1 resonator and the three or two resonator, between the three or five resonator and the three or six resonator form main coupling
Unit, with the addition of the three or three resonator between the three or two resonator and the three or four resonator, the three or three resonator is
Cross-couplings resonator.
6. it is used for four frequency cavity combiners of mobile communication as claimed in claim 5, it is characterised in that：4th wave filter
Exponent number be 6 ranks, the 4th wave filter has the 4th 1 resonator, the four or two resonator, the four or three resonator, the four or four humorous
Shake device, the four or five resonator and the four or six resonator, between the second public resonator and the 4th 1 resonator, the 4th 1 humorous
Shake between device and the four or two resonator, between the four or two resonator and the four or three resonator, the four or three resonator and the four or four humorous
Shake between device, form main coupling unit between the four or four resonator and the four or five resonator.
7. the four frequency cavity combiners for mobile communication as described in claim 1 or 6, it is characterised in that：It is described to be used for
Four frequency cavity combiners of mobile communication also include setting screw on cavity cover plate, the cavity cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720195644.XU CN206541915U (en) | 2017-03-02 | 2017-03-02 | A kind of four frequency cavity combiners for mobile communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720195644.XU CN206541915U (en) | 2017-03-02 | 2017-03-02 | A kind of four frequency cavity combiners for mobile communication |
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| Publication Number | Publication Date |
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| CN206541915U true CN206541915U (en) | 2017-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720195644.XU Expired - Fee Related CN206541915U (en) | 2017-03-02 | 2017-03-02 | A kind of four frequency cavity combiners for mobile communication |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113054334A (en) * | 2019-12-27 | 2021-06-29 | 深圳市大富科技股份有限公司 | Communication device and filter thereof |
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2017
- 2017-03-02 CN CN201720195644.XU patent/CN206541915U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113054334A (en) * | 2019-12-27 | 2021-06-29 | 深圳市大富科技股份有限公司 | Communication device and filter thereof |
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| 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: 20171003 Termination date: 20180302 |