CN201689960U - GSM, DCS, 3 G, and WLAN four-frequency combiner - Google Patents
GSM, DCS, 3 G, and WLAN four-frequency combiner Download PDFInfo
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- CN201689960U CN201689960U CN2010201886500U CN201020188650U CN201689960U CN 201689960 U CN201689960 U CN 201689960U CN 2010201886500 U CN2010201886500 U CN 2010201886500U CN 201020188650 U CN201020188650 U CN 201020188650U CN 201689960 U CN201689960 U CN 201689960U
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Abstract
The utility model discloses a GSM, DCS, 3 G, and WLAN four-frequency combiner comprising an upper layer cavity, a lower layer cavity and a cover plate, wherein the side wall of each cavity is provided with GSM, DCS, 3 G, and WLAN four-frequency signal input ports and an output port; the interiors of the upper layer cavity and the lower layer cavity comprise division plates and a plurality of syntony poles; the division plates divide the cavities into a first cavity, a second cavity, a third cavity and a fourth cavity with relatively independent functions; one end the first cavity, one end of the second cavity, one end of the third cavity and one end of the fourth cavity are coupled with the signal input ports respectively, while the other ends thereof are communicated and coupled with the output port; and a coupling window is arranged between every two adjacent syntony poles in the third cavity. The four-frequency combiner can realize multi-frequency combination on the basis of miniaturization and has simple structure and low cost.
Description
Technical field
The utility model relates to communication technical field, particularly relates to GSM, DCS, 3G, WLAN four frequency combiners of 3G communication technical field.
Background technology
Mixer generally is made up of cavity resonator and circulator, and cavity resonator is the band pass filter of a high Q value, low Insertion Loss.Circulator is big (20dB) the three fracture devices of a forward loss little (0.8dB) reverse loss.For strengthening the stability of mixer work, matching technique both connected without flexible cable between the cavity in general now the employing.For reducing volume, the general side's of employing cavity configuration.The mixer the key technical indexes is:
1. insertion loss, 4 channels are usually less than 3.6dB, and 8 channels are usually less than 4.0dB;
2. the interchannel isolation is greater than 80dB usually;
3. output and input port isolation are greater than 80dB usually;
4. frequency drift should not surpass 3ppm through an annual aging usually;
5. input vswr is less than 1.5dB.
Mixer also is divided into two kinds of frequently synthesizer and alien frequencies section mixers.To with frequency band signals close road (synthesizing) because channel spacing very little (250KHz) can't adopt the resonant cavity frequency selection method to close the road, commonly adopt the 3dB electric bridge.Alien frequencies section mixer is meant that the signal power of two different frequency ranges is synthetic used.Synthetic as CDMA and GSM power; CDMA/GSM and DCS power are synthetic.Because two signal frequencies are bigger at interval, can select for use the resonant cavity frequency selection method that two paths of signals is synthesized, its advantage is that Insertion Loss is little, the outer inhibition degree height of band, and band outer suppress index be mixer than one of important index, as be with and suppress not enough outward, can cause the mutual interference mutually between GSM and the CDMA.
On March 19th, 2008, disclosed Chinese utility model disclosed a kind of SCDMA, WLAN and TD-SCDMA miniaturized multifrequency mixer for No. 200720036640.3, was respectively arranged with before and after its cavity and closed road signal output port, TD-CDMA signal input port, SCDMA signal input port, WLAN signal input port; The cavity upper strata comprises TD-SCDMA inner chamber and WLAN inner chamber, and lower floor comprises the SCDMA inner chamber; Be aligned in sequence with the TD-SCDMA oscillator in the TD-SCDMA inner chamber; Be aligned in sequence with the SCDMA oscillator in the SCDMA inner chamber; Be aligned in sequence with the WLAN oscillator in the WLAN inner chamber; Be provided with coupling window between the adjacent vibration generators in each inner chamber.
The purpose of above-mentioned patented technology is to simplify the installations of netting communication apparatus when covering more, reduces equipment cost.But, described No. 200720036640.3 patented technology in a plane layout SCDMA, WLAN and three kinds of signals of TD-SCDMA close line structure, cause mixer oversize, be difficult to realize the product miniaturization.
In addition, along with the 3G communication technology is lived application more and more widely people, the 3G in the communication technical field uses also more and more, yet, prior art and the unexposed kind mixer that can be used for 3G communication enough, that performance meets the demands.Some miniaturized multifrequency mixer can be combined with each other multiple unlike signal, then but cost higher, cost an arm and a leg.
Therefore, still need the mixer that more multiple coincidence needs especially, cost is lower, need improve with keeping and enrich correlation technique.
The utility model content
The technical problem that the utility model mainly solves provides a kind of GSM, DCS, 3G, WLAN four frequency combiners, can realize on the basis of miniaturization that multifrequency closes the road, and cost simple in structure is low.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of GSM, DCS, 3G, WLAN four frequency combiners are provided, and the described pipeline equipment that closes comprises cavity and cover plate, and described cavity comprises cavity wall, resonance chamber and interlayer board; Described cavity is divided into two-layer cavity up and down, and by described interlayer board separately, the upper and lower cavity all comprises a described resonance chamber at least between the two-layer up and down cavity, and each is established two-layer up and down cavity by a described cover plate lid; Described cavity wall is provided with the signal input port of corresponding described two-layer cavity resonant cavity up and down, the signal that each described resonance chamber is imported closes the signal output port of road output; Described cavity wall is respectively arranged with a signal output port and GSM, DCS, 3G, WLAN totally four signal input ports; Described levels inside cavity comprises demarcation strip and a plurality of resonant rod, described demarcation strip is divided into two function opposite independent resonance chambers with described upper strata cavity, be respectively first cavity, second cavity of corresponding GSM, 3G, described demarcation strip is divided into two function opposite independent resonance chambers with described lower floor cavity, is respectively first cavity, second cavity of corresponding DCS, WLAN; An end separately of described first cavity, second cavity, the 3rd cavity and the 4th cavity is coupled with described GSM signal input port, DCS signal input port, 3G signal input port, WLAN signal input port respectively, an other separately end is communicated with, and is coupled with described output port; Described first cavity, second cavity, the 3rd cavity and the 4th cavity respectively are provided with some first, second, third, fourth described resonant rod; Be provided with coupling window between the adjacent resonant rod in described the 3rd cavity.
The utility model GSM, DCS, 3G, WLAN four frequency combiners have following technique effect at least:
1) can realize on the basis of miniaturization that multifrequency closes the road, cost simple in structure is low;
2) cost is low: since all resonant rods can with cavity one die cast structure, promptly can adopt the mode manufacturing of die sinking to close pipeline equipment, integrated design makes the entire product volume significantly to dwindle, time cost and material cost significantly reduce;
3) make efficiency height: since all resonant rods can with cavity one die cast structure, one-shot forming does not need to install in addition the step of resonant rod, it is high especially therefore to manufacture efficient, general than existing manual mounting means efficient raising more than 100%;
4) technical target of the product meets the requirements of the customers, and the error ratio permissible error of structure precision is littler, to when young more than 20%;
5) product stability is strong, guarantees normally carrying out of communications during work;
6) be suitable for GSM, DCS, 3G, WLAN communication, satisfy the multiple-frequency signal that comprises TD communication simultaneously and close the road, simple in structure, performance is preferable.
Description of drawings
Fig. 1 is the front schematic view of the utility model GSM, DCS, 3G, WLAN four frequency combiner embodiment cavitys, and which number resonant rod represents this resonant rod of numeral in the circle of resonant rod among the figure is, is 1 as numeral, represents first resonant rod;
Fig. 2 is the schematic rear view of the utility model GSM, DCS, 3G, WLAN four frequency combiner embodiment cavitys, and which number resonant rod represents this resonant rod of numeral in the circle of resonant rod among the figure is, is 3 as numeral, represents the 3rd resonant rod;
Fig. 3 is the front cover plate schematic diagram of the utility model GSM, DCS, 3G, WLAN four frequency combiner embodiment cavitys;
Fig. 4 is the back cover plate schematic diagram of the utility model GSM, DCS, 3G, WLAN four frequency combiner embodiment cavitys.
Embodiment
Consult Fig. 1 and Fig. 2 together, the utility model GSM, DCS, 3G, WLAN four frequency combiner embodiment comprise:
Described cavity 10 comprises cavity wall 11, resonance chamber and interlayer board (not indicating);
Described cavity 10 is divided into two-layer cavity up and down, and by described interlayer board separately, the upper and lower cavity all comprises a described resonance chamber at least between the two-layer up and down cavity, and each is established two-layer up and down cavity by described cover plate 20 lids;
Described cavity wall 11 is provided with the signal input port 31,32,33,34 of corresponding described two-layer cavity resonant cavity up and down, the signal that each described resonance chamber is imported closes the signal output port 41 of road output;
Described cavity wall 11 is respectively arranged with a signal output port 41 and GSM, DCS, 3G, WLAN totally four signal input ports 31,32,33,34;
Described levels inside cavity comprises demarcation strip 50 and a plurality of resonant rod 60, described demarcation strip 50 is divided into two function opposite independent resonance chambers with described upper strata cavity, be respectively first cavity 71, second cavity 72 of corresponding GSM, 3G, described demarcation strip 50 is divided into two function opposite independent resonance chambers with described lower floor cavity, is respectively the 3rd cavity 73, the 4th cavity 74 of corresponding DCS, WLAN;
An end separately of described first cavity 71, second cavity 72, the 3rd cavity 73 and the 4th cavity 74 is coupled with described GSM signal input port 31,3G signal input port 32, DCS signal input port 33, WLAN signal input port 34 respectively, an other separately end is communicated with, and is coupled with described output port 41;
Described first cavity 71, second cavity 72, the 3rd cavity 73 and the 4th cavity 74 respectively are provided with some first, second, third, fourth described resonant rod 60;
Be provided with coupling window 80 between the adjacent resonant rod 60 in described the 3rd cavity 73.
The utility model designs two-layer cavity up and down in a cavity 10, the sidewall and the base plate of the shared cavity 10 of two-layer up and down cavity, do not increasing the cavity area in addition, do not increasing and realize on the basis of material cost that double at least channel closes the road substantially, the realization multifrequency is closed the miniaturization on road, and cost simple in structure is low.
Described second cavity 72 and the 4th cavity 74 are distributed in described levels cavity, described first cavity 71 and the 3rd cavity 73 in described cavity 10 horizontal zone every, and be distributed in cavity 10 opposing two sides respectively, described first cavity 71, the 3rd cavity 73 all are yi word pattern structures, described second cavity 72 is S type structures, and described the 4th cavity 74 is small one and large one two S structures of serial connection.
The utility model GSM, DCS, 3G, WLAN four frequency combiners are suitable for GSM, DCS, 3G, WLAN communication specially, satisfy the multiple-frequency signal that comprises TD communication simultaneously and close the road, satisfy the 3G communicating requirement, and are simple in structure, cost is low, performance is preferable.
In one embodiment, the resonant rod 60 in described first and second cavity is respectively first and second resonant rod 60, and quantity is respectively five, 15;
The coupled structure of each described signal input port and first cavity 71, second cavity 72, the 3rd cavity 73 and the 4th cavity 74 is for being connected described signal input port 31,32,33,34 with cavity in the nearest connecting rod 90 of resonant rod 60, the coupled structure of each described first cavity 71, second cavity 72, the 3rd cavity 73 and the 4th cavity 74 and signal output port 41 is for being connected the connecting rod 90 of described signal output port 41 and the interior nearest resonant rod 60 of cavity.
The connecting rod 90 welding centre bit height that described first cavity 71, second cavity 72, the 3rd cavity 73 and the 4th cavity 74 interior resonance bars 60 connect described signal input port are respectively:
Described centre bit height refer on the resonant rod 60 solder joint from the height of cavity inner bottom part;
Connecting rod 90 welding centre bit height, span that described first cavity 71, second cavity 72, the 3rd cavity 73 and the 4th cavity 74 interior resonance bars 60 connect described signal output port 41 are respectively:
Span 2.2,
Span 0.8,
Span 2.2,
Span 2.3MM.
The Welding Structure of above-mentioned connecting rod 90 can realize better that signal closes the road function.
In a preferred embodiment:
Close the pipeline equipment performance parameter for convenient the adjusting, described cover plate 20 is installed on the cavity 10 by screw, can have the adjusting rod installing hole of corresponding described resonant rod 60 on the cover plate 20, and adjusting rod (figure does not show) is installed in the adjusting rod installing hole.
Be the convenient resonant rod 60 of installing, described cavity 10 bottoms have the resonant rod installing hole, and resonant rod 60 is installed in resonant rod 60 installing holes by screw; Or
Whole described resonant rods 60 and cavity 10 one die cast structures.
And described resonant rod 60 is silver-plated copper pipe.
10 4 jiaos of places of described cavity have installing hole 11, and cover plate 20 is provided with breach (not indicating) corresponding to the installing hole place.
In a preferred embodiment, the diameter of described resonant rod 60, highly be respectively:
The first resonant rod 60:14MM, 45.5MM;
The second resonant rod 60:9MM, 17.5MM;
The 3rd resonant rod 60:7MM, 17.5MM;
The 4th resonant rod 60:11MM, 23.5MM.
The utility model GSM, DCS, 3G, WLAN four frequency combiners have following technique effect at least:
1) can realize on the basis of miniaturization that multifrequency closes the road, cost simple in structure is low;
2) cost is low: since all resonant rods 60 can with cavity 10 one die cast structures, promptly can adopt the mode manufacturing of die sinking to close pipeline equipment, integrated design makes the entire product volume significantly to dwindle, time cost and material cost significantly reduce;
3) make efficiency height: since all resonant rods 60 can with cavity 10 one die cast structures, one-shot forming, do not need to install in addition the step of resonant rod 60, it is high especially therefore to manufacture efficient, generally improves more than 100% than existing manual mounting means efficient;
4) technical target of the product meets the requirements of the customers, and the error ratio permissible error of structure precision is littler, to when young more than 20%;
5) product stability is strong, guarantees normally carrying out of communications during work;
6) be suitable for GSM, DCS, 3G, WLAN communication, satisfy the multiple-frequency signal that comprises TD communication simultaneously and close the road, simple in structure, performance is preferable.
Table one: the performance parameter of the utility model GSM, DCS, 3G, WLAN four frequency combiner embodiment
GSM, DCS, 3G, WLAN four frequency combiners that the utility model provides a kind of GSM of being applicable to, DCS, 3G, WLAN to close the road satisfy market and client's demand.Simultaneously, the utility model is simple in structure, cost is lower.In described resonant rod 60 and cavity 10 one die cast example of structure, the design of resonant rod 60 resonant cavity one can make the precision of resonant rod 60 improve again, accelerates adjustment speed of the present utility model, reduces cost of labor.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (6)
1. a GSM, DCS, 3G, WLAN four frequency combiners comprise cavity and cover plate, it is characterized in that:
Described cavity comprises cavity wall, resonance chamber and interlayer board;
Described cavity is divided into two-layer cavity up and down, and by described interlayer board separately, the upper and lower cavity all comprises a described resonance chamber at least between the two-layer up and down cavity, and each is established two-layer up and down cavity by a described cover plate lid;
Described cavity wall is provided with the signal input port of corresponding described two-layer cavity resonant cavity up and down, the signal that each described resonance chamber is imported closes the signal output port of road output;
Described cavity wall is respectively arranged with a signal output port and GSM, DCS, 3G, WLAN totally four signal input ports;
Described levels inside cavity comprises demarcation strip and a plurality of resonant rod, described demarcation strip is divided into two function opposite independent resonance chambers with described upper strata cavity, be respectively first cavity, second cavity of corresponding GSM, 3G, described demarcation strip is divided into two function opposite independent resonance chambers with described lower floor cavity, is respectively first cavity, second cavity of corresponding DCS, WLAN;
An end separately of described first cavity, second cavity, the 3rd cavity and the 4th cavity is coupled with described GSM signal input port, DCS signal input port, 3G signal input port, WLAN signal input port respectively, an other separately end is communicated with, and is coupled with described output port;
Described first cavity, second cavity, the 3rd cavity and the 4th cavity respectively are provided with some first, second, third, fourth described resonant rod;
Be provided with coupling window between the adjacent resonant rod in described the 3rd cavity.
2. GSM according to claim 1, DCS, 3G, WLAN four frequency combiners, it is characterized in that: described second cavity and the 4th cavity are distributed in described levels cavity, described first cavity and the 3rd cavity in described cavity horizontal zone every, and be distributed in the opposing two sides of cavity respectively, described first cavity, the 3rd cavity all are yi word pattern structures, described second cavity is a S type structure, and described the 4th cavity is small one and large one two S structures of serial connection.
3. GSM according to claim 2, DCS, 3G, WLAN four frequency combiners is characterized in that:
Resonant rod in described first and second cavity is respectively first and second resonant rod, and quantity is respectively five, 15;
Resonant rod quantity in described third and fourth cavity is respectively six, 12.
4. GSM according to claim 2, DCS, 3G, WLAN four frequency combiners is characterized in that:
Each described signal input port is the connecting rod that is connected nearest resonant rod in described signal input port and the cavity with the coupled structure of first cavity, second cavity, the 3rd cavity and the 4th cavity, and each described first cavity, second cavity, the 3rd cavity and the 4th cavity are the connecting rod that is connected nearest resonant rod in described signal output port and the cavity with the coupled structure of signal output port;
The connecting rod welding centre bit height that described first cavity, second cavity, the 3rd cavity and the 4th cavity interior resonance bar connect described signal input port is respectively:
1.5*29.7,
1.5*14.5,
1.0*5.0,
1.5*21MM;
Connecting rod welding centre bit height, span that described first cavity, second cavity, the 3rd cavity and the 4th cavity interior resonance bar connect described signal output port are respectively:
1.2*40.8 span 2.2,
2.0*15 span 0.8,
1.2*16.5 span 2.2,
1.5*23.2 span 2.3MM.
5. according to claim 1 to 4 each described GSM, DCS, 3G, WLAN four frequency combiners, it is characterized in that:
Described cover plate is installed on the cavity by screw, has the adjusting rod installing hole of corresponding described resonant rod on the cover plate, in the adjusting rod installing hole adjusting rod is installed.
6. according to claim 1 to 4 each described GSM, DCS, 3G, WLAN four frequency combiners, it is characterized in that:
The diameter of described resonant rod, highly be respectively:
First resonant rod: 14MM, 45.5MM;
Second resonant rod: 9MM, 17.5MM;
The 3rd resonant rod: 7MM, 17.5MM;
The 4th resonant rod: 11MM, 23.5MM.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010201886500U CN201689960U (en) | 2010-05-13 | 2010-05-13 | GSM, DCS, 3 G, and WLAN four-frequency combiner |
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| CN2010201886500U CN201689960U (en) | 2010-05-13 | 2010-05-13 | GSM, DCS, 3 G, and WLAN four-frequency combiner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712795A (en) * | 2015-11-13 | 2017-05-24 | 华为终端（东莞）有限公司 | Radio frequency circuit of LTE carrier wave polymerization technology and communication equipment thereof |
-
2010
- 2010-05-13 CN CN2010201886500U patent/CN201689960U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712795A (en) * | 2015-11-13 | 2017-05-24 | 华为终端（东莞）有限公司 | Radio frequency circuit of LTE carrier wave polymerization technology and communication equipment thereof |
| CN106712795B (en) * | 2015-11-13 | 2020-06-16 | 华为终端有限公司 | Radio frequency circuit of LTE carrier aggregation technology and communication equipment thereof |
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| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN HUASI TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHENZHEN HUASI HI-TECH CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: Shenzhen City, Guangdong province Baoan District 518000 District thirty-five Tongchang Road No. 19 Building D3-D4 Patentee after: Shenzhen Hua Si Hi-Tech Co., Ltd. Address before: Shenzhen City, Guangdong province Baoan District 518000 District thirty-five Tongchang Road No. 19 Building D3-D4 Patentee before: Shenzhen Huasi Technologies Co., Ltd. |
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| ASS | Succession or assignment of patent right |
Owner name: ZHANJIANG HUASI COMMUNICATION TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SHENZHEN HUASI TECHNOLOGY CO., LTD. Effective date: 20130905 |
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Effective date of registration: 20130905 Address after: 524000 Guangdong province Zhanjiang City Potou District Lighthouse Road No. 8 Building 502 room 5 Patentee after: ZHANJIANG HUASI COMMUNICATION TECHNOLOGY CO., LTD. Address before: Shenzhen City, Guangdong province Baoan District 518000 District thirty-five Tongchang Road No. 19 Building D3-D4 Patentee before: Shenzhen Hua Si Hi-Tech Co., Ltd. |
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Granted publication date: 20101229 Termination date: 20140513 |