CN201397874Y - CDMA/GSM/DCS/3G four-frequency combiner - Google Patents
CDMA/GSM/DCS/3G four-frequency combiner Download PDFInfo
- Publication number
- CN201397874Y CN201397874Y CN2009200455232U CN200920045523U CN201397874Y CN 201397874 Y CN201397874 Y CN 201397874Y CN 2009200455232 U CN2009200455232 U CN 2009200455232U CN 200920045523 U CN200920045523 U CN 200920045523U CN 201397874 Y CN201397874 Y CN 201397874Y
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- filter
- gsm
- dcs
- cdma
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Abstract
The utility model discloses a CDMA/GSM/DCS/3G four-frequency combiner, which is used for accomplishing the combining processing of four different frequency range signals including CDMA, GSM, DCS and 3G. The CDMA/GSM/DCS/3G four-frequency combiner comprises a cavity, a cover plate arranged on the cavity through bolts, a CDMA RF access which is formed by electrically connecting a CDMA port, a CDMA filter, and an ANT combining port in sequence, a GSM access which is formed by electrically connecting a GSM port, a GSM filter and an ANT combining port, a DCS RF access which is formed by electrically connecting a DCS port a DCS filter and an ANT combining port, as well as a 3G RF access which is formed by electrically connecting a 3G port, a 3G filter and an ANT combining port; the CDMA filter,the GSM filter, the DCS filter and the 3G filter are formed by the cavities separated by the clapboards in the cavity; and a plurality of resonance rods are arranged in the cavity. The CDMA/GSM/DCS/3Gfour-frequency combiner has a novel structure and small size, and adopts a special electromagnetic enhancing technique, which can extensively eliminate the influences of distributed capacitance and inductance under the premise of not affecting the basic bandwidth, thereby better finishing the combination of the four-frequency filters.
Description
Technical field
The utility model relates to a kind of communication equipment field, specifically a kind of CDMA/GSM/DCS/3G four frequency combiners.
Background technology
Along with the development of mobile communication, the existing attitude that multiple system occurred and deposited, the communication network that has multiple system in each operator.At present, all there are GSM and cdma mobile communication network (being called G net and C net respectively) in Zhong Guo several big mobile communication carrier.Along with developing rapidly of mobile communication, the application mode of multisystem colocation site, common antenna feeder resource obtains favor.Can reach shared resource by these modes, reduce the effect of system equipment cost.The four frequency combiners microwave device that is absolutely necessary, playing a major role is that signal to different system closes the road, to reach the saving feeder cable, simplified system and the purpose that reduces cost.In addition, the power supply on the base station towers realizes by radio frequency cable, so the mixer that is connected in series with feeder cable also will possess logical galvanic function.
The radio frequency signal frequency scope of CDMA/GSM/DCS/3G co-space feedback system is respectively 825MHz-880MHz, 909MHz-960MHz, 1745MHz-1850MHz and 1920MHz-2170MHz, realize so super wide working band, present most of mixer product adopts the form realization of dielectric substrate with microstrip circuit, and this constructed products volume is big, power capacity is little and the passive intermodulation index is to be difficult to control in batch process.
In addition, some have also occurred and adopted the multiplefrequency mixer of cavity body structure, yet, because the frequency band broad is difficult to overcome the influence of distributed capacitance and inductance, so these mixers all are not used widely between each road.
Summary of the invention
The utility model purpose is to overcome above-mentioned drawback, provides a kind of complete function, antijamming capability strong and can eliminate CDMA/GSM/DCS/3G four frequency combiners of distributed capacitance and inductive impact.
The technical solution of the utility model is:
A kind of CDMA/GSM/DCS/3G four frequency combiners, handle on the road of closing that is used to finish CDMA, GSM, DCS, four different frequency band signals of 3G, comprises cavity, is installed in cover plate on the cavity by screw; Close road port by CDMA port, CDMA filter, ANT and electrically connect the CDMA radio frequency path that constitutes successively; Close road port by GSM port, GSM filter, ANT and electrically connect the GSM radio frequency path that constitutes successively; Close road port by DCS port, DCS filter, ANT and electrically connect the DCS radio frequency path that constitutes successively; Close road port by 3G port, 3G filter, ANT and electrically connect the 3G radio frequency path that constitutes successively; Described CDMA filter, GSM filter, DCS filter, 3G filter are made of the cavity that dividing plate was separated in the cavity, are provided with some resonant rods in the cavity; Be respectively equipped with in CDMA filter, GSM filter, DCS filter, the 3G filter and be positioned at the resonant rod that ANT closes the road port place; These resonant rods are electrically connected with conductive cores in ANT closes road port by lead respectively.
The beneficial effects of the utility model are:
The utility model novel structure, volume is small and exquisite, adopts unique electromagnetism enhancement techniques, and this mode can greatly be eliminated the influence of distributed capacitance, inductance under the prerequisite that does not influence primary bandwidth, thereby finishes the road of closing of four frequency filters well.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
Theory diagram with reference to Fig. 1, mixer is the five-port microwave device, comprise that a shared ANT closes road port 6 and four radio-frequency (RF) signal input end mouths, during work, the signal that closes road port 6 inputs from ANT shunts to four radio-frequency (RF) signal input end mouths according to frequency range, on the contrary, also the signal of four radio-frequency (RF) signal input end mouth inputs can be closed road port 6 outputs through ANT.
A kind of CDMA/GSM/DCS/3G four frequency combiners, handle on the road of closing that is used to finish CDMA, GSM, DCS, four different frequency band signals of 3G, comprises cavity 5, is installed in cover plate on the cavity 5 by screw; Close road port 6 by CDMA port 3, CDMA filter 30, ANT and electrically connect the CDMA radio frequency path that constitutes successively; Close road port 6 by GSM port 2, GSM filter 20, ANT and electrically connect the GSM radio frequency path that constitutes successively; Close road port 6 by DCS port one, DCS filter 10, ANT and electrically connect the DCS radio frequency path that constitutes successively; Close road port 6 by 3G port 4,3G filter 40, ANT and electrically connect the 3G radio frequency path that constitutes successively; Described CDMA filter 30, GSM filter 20, DCS filter 10,3G filter 40 are made of the cavity that the dividing plate 8 in the cavity 5 is separated into, and are provided with some resonant rods 7 in the cavity 5; Be respectively equipped with resonant rod 300, resonant rod 200, resonant rod 100, resonant rod 400 in CDMA filter 30, GSM filter 20, DCS filter 10, the 3G filter 40; Resonant rod 300, resonant rod 200, resonant rod 100, resonant rod 400 close road port 6 interior conductive cores 60 by lead 301, lead 201, lead 101, lead 401 and ANT respectively and are electrically connected.CDMA filter 30, GSM filter 20, DCS filter 10 and 3G filter 40 are separated by the dividing plate 8 that is positioned at cavity 5.
CDMA port 3, GSM port 2, DCS port one, 3G port 4, ANT close road port 6 and all can adopt the N-F port.
Resonant rod 7 can be fixed by the tuning screw rod that gos deep into cavity 5, is used to regulate resonance frequency and coupling amount.
The concrete electrical performance indexes of mixer of the present utility model is referring to table 1.
The electrical performance indexes table of table 1 mixer of the present utility model.
Electrical connection described in the utility model can connect by electric soldering.About the concrete layout structure of the concrete shape of the casing of cavity 1 or resonant rod 11 and dividing plate 12,, can do suitable adjustment under connotation of the present utility model.The hardware that the utility model does not relate to all can pass through existing techniques in realizing.
Claims (1)
1, a kind of CDMA/GSM/DCS/3G four frequency combiners, handle on the road of closing that is used to finish CDMA, GSM, DCS, four different frequency band signals of 3G, comprises cavity (5), is installed in cover plate on the cavity (5) by screw; Close road port (6) by CDMA port (3), CDMA filter (30), ANT and electrically connect the CDMA radio frequency path that constitutes successively; Close road port (6) by GSM port (2), GSM filter (20), ANT and electrically connect the GSM radio frequency path that constitutes successively; Close road port (6) by DCS port (1), DCS port (10), ANT and electrically connect the DCS radio frequency path that constitutes successively; Close road port (6) by 3G port (4), 3G filter (40), ANT and electrically connect the 3G radio frequency path that constitutes successively; It is characterized in that described CDMA filter (30), GSM filter (20), DCS filter (10), 3G filter (40) are made of the cavity that the dividing plate (8) in the cavity (5) is separated into, and are provided with some resonant rods (7) in the cavity (5); Be respectively equipped with resonant rod (300), resonant rod (200), resonant rod (100), resonant rod (400) in CDMA filter (30), GSM filter (20), DCS filter (10), the 3G filter (40); Resonant rod (300), resonant rod (200), resonant rod (100), resonant rod (400) close the interior conductive cores (60) of road port (6) by lead (301), lead (201), lead (101), lead (401) and ANT respectively and are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200455232U CN201397874Y (en) | 2009-05-20 | 2009-05-20 | CDMA/GSM/DCS/3G four-frequency combiner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200455232U CN201397874Y (en) | 2009-05-20 | 2009-05-20 | CDMA/GSM/DCS/3G four-frequency combiner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201397874Y true CN201397874Y (en) | 2010-02-03 |
Family
ID=41620401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200455232U Expired - Fee Related CN201397874Y (en) | 2009-05-20 | 2009-05-20 | CDMA/GSM/DCS/3G four-frequency combiner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201397874Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102281109A (en) * | 2010-06-08 | 2011-12-14 | 佳律通信设备(上海)有限公司 | Multi-system optical transceiver optical fiber access system |
| WO2012003663A1 (en) * | 2010-07-07 | 2012-01-12 | 中兴通讯股份有限公司 | Device and equipment for receiving and transmitting signals with four-frequency in global system for mobile communication |
-
2009
- 2009-05-20 CN CN2009200455232U patent/CN201397874Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102281109A (en) * | 2010-06-08 | 2011-12-14 | 佳律通信设备(上海)有限公司 | Multi-system optical transceiver optical fiber access system |
| WO2012003663A1 (en) * | 2010-07-07 | 2012-01-12 | 中兴通讯股份有限公司 | Device and equipment for receiving and transmitting signals with four-frequency in global system for mobile communication |
| US8731487B2 (en) | 2010-07-07 | 2014-05-20 | Zte Corporation | Device and equipment for four-frequency transceiving of global system for mobile communication |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 210031 J03-B, Liu Liu Industrial Park, Taishan Park, Nanjing hi tech Development Zone, Jiangsu, China Patentee after: Saigew Microwave Science & Technology Co., Ltd. Address before: 210031 J03-B, Liu Liu Industrial Park, Taishan Park, Nanjing hi tech Development Zone, Jiangsu, China Patentee before: Nanjing Saigew Microwave Science & Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100203 Termination date: 20170520 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |