CN101888004B - CDMA (Code Division Multiple Access) integrative multi-system base station duplexer - Google Patents
CDMA (Code Division Multiple Access) integrative multi-system base station duplexer Download PDFInfo
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- CN101888004B CN101888004B CN 201010203249 CN201010203249A CN101888004B CN 101888004 B CN101888004 B CN 101888004B CN 201010203249 CN201010203249 CN 201010203249 CN 201010203249 A CN201010203249 A CN 201010203249A CN 101888004 B CN101888004 B CN 101888004B
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- 230000008054 signal transmission Effects 0.000 claims abstract description 14
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 7
- 208000002925 dental caries Diseases 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000003990 capacitor Substances 0.000 abstract 4
- 238000004891 communication Methods 0.000 description 11
- 238000001514 detection method Methods 0.000 description 7
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910002058 ternary alloy Inorganic materials 0.000 description 1
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Abstract
The invention discloses a CDMA (Code Division Multiple Access) integrative multi-system base station duplexer which comprises a metal shell with a cover plate, wherein a plurality of port connectors are arranged on the shell; two mutually independent curve-shaped resonant cavities are arranged in the shell and internally provided with resonant capacitors; the resonant capacitors at the starting ends in the two resonant cavities are respectively connected with the port connectors on the shell one by one through signal transmission leads; the resonant capacitors at the tail ends in the resonant cavities are connected through another signal transmission lead; and a lead is led out from the middle of the signal transmission lead for connecting the resonant capacitors at the tail ends in the resonant cavities and connected to a third port connector on the shell. In the duplexer, the highest temperature of the work environment can reach 85 DEG C, and the lowest temperature can reach -45 DEG C. The duplexer has small overall dimension, attractive design and smooth signal transmission and is designed special for severe environments and also has various advantages of long service life, convenient mounting and maintenance, and the like.
Description
Technical field
The present invention relates to communication and use the multiplexer field, be specially the base station duplexer of the integrated multi-modulation scheme of CDMA.
Background technology
The domestic three large communication operation service providers that mainly contain have the total many users of quantity at present.In order to guarantee the unimpeded of signal of communication, three large communication operation service providers are at outdoor a lot of communication base stations, the responsible signal of communication that outwards transmits and receives of the launching tower of communication base station set up.When transmitting and receiving signal of communication, need to connect multiplexer at the sending and receiving antenna of transmitting terminal.And communication base station often needs to face various complex environment situations when transmitting, and this just needs multiplexer to have higher reliability.Therefore, the degree of reliability of multiplexer, the signal that directly affects the base station transmits and receives, and is larger on the communication quality impact.
Summary of the invention
The base station duplexer that the purpose of this invention is to provide the integrated multi-modulation scheme of a kind of CDMA has higher reliability and environmental suitability, to satisfy communication base station for the requirement of multiplexer.
In order to achieve the above object, the technical solution adopted in the present invention is:
The base station duplexer of the integrated multi-modulation scheme of CDMA, comprise the housing with the metal of cover plate, a plurality of port connectors are installed on the described housing, it is characterized in that: have two in the described housing and be mutually independent and be curved resonant cavity, the end of described resonant cavity is mutually close, in each resonant cavity successively the interval seven resonant capacitances are installed, the resonant capacitance that is positioned at place, cavity top in two resonant cavitys is connected with port connector on the housing by signal transmission wire respectively separately one by one, be connected with the band stray FREQUENCY CONTROL element of metal strip between the 3rd resonant capacitance that begins from top in one of them resonant cavity and the 6th resonant capacitance, be connected with another band stray FREQUENCY CONTROL element between first resonant capacitance that begins from top in another resonant cavity and the 4th resonant capacitance, the resonant capacitance that is positioned at the cavity end in the resonant cavity connects by another signal transmission wire each other, is equipped with wire from the signal transmission wire interposition of the terminal resonant capacitance of described connection resonant cavity and draws and be connected to the 3rd port connector on the housing.
The base station duplexer of the integrated multi-modulation scheme of described CDMA, it is characterized in that: also be provided with the coupled signal testing circuit in the described housing, the coupled signal testing circuit output end position on the housing in the corresponding housing is provided with the Wiring port that is electrically connected with two outputs of coupled signal testing circuit.
The base station duplexer of the integrated multi-modulation scheme of described CDMA is characterized in that: seven resonant capacitances all are installed in each resonant cavity, and the resonant cavity inwall is silver-plated, and one of them resonant cavity is
Shape, another resonant cavity is
Shape.
Among the present invention, sheathing material is aluminium, inner surface is coated with silver in the resonant cavity of shell, resonant cavity is mainly used to the loss of signal and the every needed technical performance index of product that produce between the transmission of CDMA frequency, be a kind of microwave transmission line, electric energy and magnetic energy are stored at inside, chamber when powering up work.With
The port connector that the resonant capacitance at shape resonant cavity top connects is as SMA-KFD type TX port connector, together
The port connector that the resonant capacitance at shape resonant cavity top connects is as SMA-KFD type RX port connector, and SMA-KFD type TX port connector and SMA-KFD type RX port connector material are copper, surface gold-plating; Connect the terminal resonant capacitance of resonant cavity the signal transmission wire centre position draw the 3rd port connector that wire draws connection as N-KFD type ANT port connector, N-KFD type ANT port connector material is copper, the plated surface ternary alloy three-partalloy.The resonant capacitance material is No. 45 steel, and electroplate is shaped as cylindricality, and the centre has step-like cavity, is used for frequency in the choice for use frequency range.Band stray FREQUENCY CONTROL element is the copper bar shape, and electroplate is controlled technical indicator item of the presently claimed invention, for example: unwanted frequency, can be by band stray FREQUENCY CONTROL element regulation.The Wiring port that is connected with the coupled signal circuit output end is respectively FWD/REV coupling detection port, the FWD-ANT detection port that is coupled, FWD/REV coupling detection port is mainly used to detect internal technology performance index standing wave item of the present invention, and the inner operating position of detection the present invention, FWD-ANT coupling detection port is mainly used to detect internal technology performance index Loss Terms of the present invention, and detects port connector performance index situation of change of the present invention.
The present invention is mainly used in cdma mobile communication base station sending and receiving signal.Port connector of the present invention got final product by direct the connection with reception antenna with base station transmit antennas of radio-frequency (RF) coaxial assembly.The present invention has weatherability, inner powerful resonant capacitance has warm general effect, the operational environment maximum temperature can reach 85 ℃, minimum temperature can reach-45 ℃, CDMA signal testing frequency is 871.11MHz and 878.49MHz, average power 50dBm, peak power can reach 53dBm, overall dimensions little, be designed beautifully, signal specially defeated unobstructed, aim at adverse circumstances and design, has in addition long service life, the plurality of advantages such as convenient for installation and maintenance.
Description of drawings
Fig. 1 is internal structure schematic diagram of the present invention.
Embodiment
As shown in Figure 1.The base station duplexer of the integrated multi-modulation scheme of CDMA, comprise the housing 1 with the metal of cover plate, a plurality of port connectors are installed on the housing 1, have two curved resonant cavitys 2,3 that are mutually independent and are in the housing 1, seven resonant capacitances all are installed in each resonant cavity, the resonant cavity inwall is silver-plated, and one of them resonant cavity 2 is
Shape, another resonant cavity 3 is
Shape.The end of resonant cavity is mutually close, resonant capacitance 8 is installed in the resonant cavity 2,3, the resonant capacitance 4,5 that is positioned at place, cavity top in two resonant cavitys 2,3 is connected with port connector 6,7 on the housing by signal transmission wire respectively separately one by one, port connector 6 is SMA-KFD type TX port connector, and port connector 7 is SMA-KFD type RX port connector.Be connected with the band stray FREQUENCY CONTROL element 9 of metal strip between the 3rd the resonant capacitance 8-1 that begins from top in one of them resonant cavity 2 and the 6th the resonant capacitance 8-2, be connected with another band stray FREQUENCY CONTROL element 10 between first resonant capacitance 5 that begins from top in another resonant cavity and the 4th resonant capacitance 8-3, be positioned at the resonant capacitance 8-4 of cavity end in the resonant cavity, 8-5 connects by another signal transmission wire 11 each other, from connecting the terminal resonant capacitance 8-4 of resonant cavity, signal transmission wire 11 interpositions of 8-5 are equipped with wire and draw and be connected to the 3rd port connector 12 on the housing, and port connector 12 is N-KFD type ANT port connector.Also be provided with coupled signal testing circuit 13 in the housing 1, coupled signal testing circuit 13 output end positions on the housing 1 in the corresponding housing are provided with the Wiring port 14,15 that is electrically connected with two outputs of coupled signal testing circuit, Wiring port 14 is FWD/REV coupling detection port, and Wiring port 15 is FWD-ANT coupling detection port.
Claims (1)
1.CDMA the base station duplexer of integrated multi-modulation scheme, comprise the housing with the metal of cover plate, a plurality of port connectors are installed on the described housing, it is characterized in that: have two in the described housing and be mutually independent and be curved resonant cavity, the end of described resonant cavity is mutually close, in each resonant cavity successively the interval seven resonant capacitances are installed, the resonant capacitance that is positioned at place, cavity top in two resonant cavitys is connected with port connector on the housing by signal transmission wire respectively separately one by one, be connected with the band stray FREQUENCY CONTROL element of metal strip between the 3rd resonant capacitance that begins from top in one of them resonant cavity and the 6th resonant capacitance, be connected with another band stray FREQUENCY CONTROL element between first resonant capacitance that begins from top in another resonant cavity and the 4th resonant capacitance, the resonant capacitance that is positioned at the cavity end in the resonant cavity connects by another signal transmission wire each other, is equipped with wire from the signal transmission wire interposition of the terminal resonant capacitance of described connection resonant cavity and draws and be connected to the 3rd port connector on the housing;
Also be provided with the coupled signal testing circuit in the described housing, the coupled signal testing circuit output end position on the housing in the corresponding housing is provided with the Wiring port that is electrically connected with two outputs of coupled signal testing circuit; Seven resonant capacitances all are installed in each resonant cavity, and the resonant cavity inwall is silver-plated, and one of them resonant cavity is
Shape, another resonant cavity is
Shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010203249 CN101888004B (en) | 2010-06-11 | 2010-06-11 | CDMA (Code Division Multiple Access) integrative multi-system base station duplexer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010203249 CN101888004B (en) | 2010-06-11 | 2010-06-11 | CDMA (Code Division Multiple Access) integrative multi-system base station duplexer |
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| CN101888004A CN101888004A (en) | 2010-11-17 |
| CN101888004B true CN101888004B (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010203249 Expired - Fee Related CN101888004B (en) | 2010-06-11 | 2010-06-11 | CDMA (Code Division Multiple Access) integrative multi-system base station duplexer |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167582A (en) * | 2014-08-07 | 2014-11-26 | 董后友 | Low-loss, high-stability and high-intermodulation double-frequency 4G combiner |
| CN104157941A (en) * | 2014-08-08 | 2014-11-19 | 董后友 | Low-loss high-stability 4GCDMA filter |
| CN104157938A (en) * | 2014-08-08 | 2014-11-19 | 董后友 | Low-loss high-stability 4GGSM filter |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201503906U (en) * | 2009-07-22 | 2010-06-09 | 陕西微康姆通信技术有限公司 | Waveguide coaxial mixed interface for coaxial cavity transmitting and receiving duplexer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7782158B2 (en) * | 2007-04-16 | 2010-08-24 | Andrew Llc | Passband resonator filter with predistorted quality factor Q |
| KR100911859B1 (en) * | 2007-10-05 | 2009-08-11 | 주식회사 에이스테크놀로지 | Notch Coupling RF Filter for Generating Plurality of Notches |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201503906U (en) * | 2009-07-22 | 2010-06-09 | 陕西微康姆通信技术有限公司 | Waveguide coaxial mixed interface for coaxial cavity transmitting and receiving duplexer |
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| CN101888004A (en) | 2010-11-17 |
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Effective date of registration: 20170315 Address after: 523795 Dongguan City, Dalang Province town of Pine Hill Road, Wing Cheung, building No. 98 Patentee after: KINGWAVE COMMUNICATION (DONGGUAN) CO.,LTD. Address before: 238339 Wuwei County Yao ditch Industrial Park, Anhui Patentee before: ANHUI KRADIO COMMUNICATION & TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20191227 Address after: 244000 2777 North Tianmenshan Road, Tongling Economic and Technological Development Zone, Anhui Province Patentee after: Huafeng Communication Technology Co.,Ltd. Address before: 523795 Dongguan City, Dalang Province town of Pine Hill Road, Wing Cheung, building No. 98 Patentee before: KINGWAVE COMMUNICATION (DONGGUAN) CO.,LTD. |
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Granted publication date: 20130403 |