CN211182472U - Universal four-frequency combiner for multiple operators - Google Patents
Universal four-frequency combiner for multiple operators Download PDFInfo
- Publication number
- CN211182472U CN211182472U CN202020297980.7U CN202020297980U CN211182472U CN 211182472 U CN211182472 U CN 211182472U CN 202020297980 U CN202020297980 U CN 202020297980U CN 211182472 U CN211182472 U CN 211182472U
- Authority
- CN
- China
- Prior art keywords
- signal
- signal transmission
- transmission area
- filter cavity
- cdma
- 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.)
- Active
Links
Images
Landscapes
- Filters And Equalizers (AREA)
Abstract
The utility model discloses a multi-operator universal four-frequency combiner, which comprises a CDMA-GSM signal transmission area, a DCS1800 signal transmission area, a 3G2100 signal transmission area and an Internux2300/2400/2600 signal transmission area, signal input ends which are respectively arranged at one ends of the four signal transmission areas and are in signal connection, and signal combining output ends which are arranged at the other ends of the four signal transmission areas and are in signal connection, the frequency band division design is clear, the working frequency is in accordance with the working range of the current three operators, and the frequency is multi-frequency, thereby realizing the integration of indoor or outdoor coverage distribution multi-system shared signal distribution networking system, secondly, the CDMA-GSM900 terminal adopts an inductance chip to carry out coupling transmission signals, other ports adopt an integrated filtering cavity to transmit signals, so that the size of the filtering cavity is effectively reduced, and the size of the whole combiner is reduced, thereby reducing the production cost.
Description
Technical Field
The utility model relates to a four-frequency combiner especially relates to a general four-frequency combiner of many operators.
Background
In engineering application, 380MHZ-790MHZ,800MHZ C network, 900MHZ GSM network or other different frequencies need to be output simultaneously, and a combiner is adopted, so that a set of indoor distribution system can work in CDMA frequency band, GSM frequency band or other frequency bands simultaneously. For example, in a radio antenna system, after input and output signals of several different frequency bands (e.g. 145MHZ and 435MHZ) are combined by a combiner, a feeder is connected to a radio station, which not only saves one feeder, but also avoids the trouble of switching different antennas.
Because a mobile network indoor or outdoor coverage distribution system is fused with signals in multiple frequency bands such as 2G, 3G, 4G, lnux 2300/2400 and the like, higher requirements are put on the design requirements of a combiner, and the existing combiner has the technical problems of large volume and high intermodulation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned defect among the prior art, provide a frequency channel division design clear and definite, the filtering chamber small, whole combiner is small, low in production cost's the general four-frequency combiner of many operators.
In order to achieve the above object, the utility model provides a general four-frequency combiner of many operators, including CDMA-GSM signal transmission district, DCS1800 signal transmission district, 3G2100 signal transmission district and lnux 2300/2400/2600 signal transmission district, install respectively in the signal input part of four signal transmission district one end signal connection, install in the signal of four signal transmission district other end signal connection closes the output end;
the CDMA-GSM signal transmission area comprises a plurality of signal-connected inductor sheets and a CDMA-GSM filter cavity coated on the periphery of the inductor sheets, the DCS1800 signal transmission area comprises a plurality of signal-connected first resonant columns and a DCS1800 filter cavity coated on the periphery of the first resonant columns, the 3G2100 signal transmission area comprises a plurality of signal-connected second resonant columns and a 3G2100 filter cavity coated on the periphery of the second resonant columns, the Internux2300/2400/2600 signal transmission area comprises a plurality of signal-connected third resonant columns and an Internux2300/2400/2600 filter cavity coated on the periphery of the third resonant columns;
the signal input end is in signal connection with the filter cavities of the corresponding systems in a capacitive coupling mode, and the signal combining output end connects the filter cavities of all signals through a common shaft to combine the signals into one path for output.
Preferably, the signal combining output end comprises a first common shaft, a second common shaft in signal connection with the first common shaft, a first common cavity coated on the periphery of the first common shaft, and a second common cavity coated on the periphery of the second common shaft, the inductance chip and the first resonance column are in signal connection with the first common shaft respectively, and the second resonance column and the third resonance column are in signal connection with the second common shaft respectively.
Preferably, the CDMA-GSM filter cavity, the DCS1800 filter cavity, the 3G2100 filter cavity and the Internux2300/2400/2600 filter cavity all adopt a band-pass filter structure.
Preferably, the CDMA-GSM filter cavity, the DCS1800 filter cavity, the 3G2100 filter cavity and the lnux 2300/2400/2600 filter cavity are separated by adopting coupling windows.
Preferably, the DCS1800 signal transmission region includes six signal-connected first resonant columns.
Preferably, the 3G2100 signal transmission region includes eight signal-connected second resonant columns.
Preferably, the lnternax 2300/2400/2600 signal transmission area comprises seven signal-connected third resonant columns.
Preferably, the signal input terminal connected with the CDMA-GSM signal transmission area signal and the signal input terminal connected with the DCS1800 signal transmission area signal form a first common input terminal by welding, and the signal input terminal connected with the 3G2100 signal transmission area signal and the signal input terminal connected with the Internux2300/2400/2600 signal transmission area signal form a second common input terminal by welding.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a CDMA-GSM signal transmission district, DCS1800 signal transmission district, 3G2100 signal transmission district and Internux2300/2400/2600 signal transmission district, its frequency channel divides the design clearly, and the operating frequency all accords with present three big operator working ranges, and multifrequency to realize indoor or outdoor cover the integration of distributing the multisystem sharing signal distribution networking system; secondly, the CDMA-GSM900 terminal adopts an inductance chip to carry out coupling transmission signals, and other ports adopt an integrated filtering cavity to carry out signal transmission, so that the size of the filtering cavity is effectively reduced, the size of the whole combiner is reduced, and the production cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic plan view of a multi-operator general four-frequency combiner provided in the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the utility model provides a general four frequency combiners of many operators, it includes CDMA-GSM signal transmission district 1, DCS1800 signal transmission district 2, 3G2100 signal transmission district 3 and the Internux2300/2400/2600 signal transmission district 4, installs respectively four signal transmission district one end signal connection's signal input part 5 installs four signal transmission district other end signal connection's signal combination output 6.
Specifically, the signal input terminal 5 includes a first signal input terminal 51, a second signal input terminal 52, a third signal input terminal 53 and a fourth signal input terminal 54, where the first signal input terminal 51 is in signal connection with the CDMA-GSM signal transmission area 1 in a capacitive coupling manner, the second signal input terminal 52 is in signal connection with the DCS1800 signal transmission area 2 in a capacitive coupling manner, the third signal input terminal 53 is in signal connection with the 3G2100 signal transmission area 3 in a capacitive coupling manner, and the fourth signal input terminal 54 is in signal connection with the lnux 2300/2400/2600 signal transmission area 4 in a capacitive coupling manner.
The CDMA-GSM signal transmission area 1 comprises a plurality of signal-connected inductor pieces 11 and a CDMA-GSM filter cavity 12 coated on the periphery of the inductor pieces 11, the DCS1800 signal transmission area 2 comprises a plurality of signal-connected first resonant columns 21 and a DCS1800 filter cavity 22 coated on the periphery of the first resonant columns 21, the 3G2100 signal transmission area 3 comprises a plurality of signal-connected second resonant columns 31 and a 3G2100 filter cavity 32 coated on the periphery of the second resonant columns 31, the Internux2300/2400/2600 signal transmission area 4 comprises a plurality of signal-connected third resonant columns 41 and an Internux2300/2400/2600 filter cavity 42 coated on the periphery of the third resonant columns 41;
and the signal combining output end 6 connects the filter cavities of all the signals through a common shaft to combine one path of signal for output.
The frequency band division design of the utility model is clear, the working frequency is in accordance with the working ranges of the three operators and is multi-frequency, thereby realizing the integration of indoor or outdoor coverage distribution multi-system shared signal distribution networking systems; secondly, the CDMA-GSM900 terminal adopts an inductance chip to carry out coupling transmission signals, and other ports adopt an integrated filtering cavity to carry out signal transmission, so that the size of the filtering cavity is effectively reduced, the size of the whole combiner is reduced, and the production cost is reduced.
Specifically, the signal combining output end 6 includes a first common shaft 61, a second common shaft 62 in signal connection with the first common shaft 61, a first common cavity 63 coated on the periphery of the first common shaft 61, and a second common cavity 64 coated on the periphery of the second common shaft 62, the inductor chip 11 and the first resonant column 21 are in signal connection with the first common shaft 61 respectively, the second resonant column 31 and the third resonant column 41 are in signal connection with the second common shaft 62 respectively, and by designing the first common shaft 61 and the second common shaft 62, signals of the CDMA-GSM signal transmission area 1, the DCS1800 signal transmission area 2, the 3G2100 signal transmission area 3, and the lnux 2300/2400/2600 signal transmission area 4 are combined into one path for output.
More specifically, the CDMA-GSM filter cavity 12, the DCS1800 filter cavity 22, the 3G2100 filter cavity 32, and the lnux 2300/2400/2600 filter cavity 42 all adopt a band-pass filter structure to filter signals outside the frequency band of the signal, thereby improving the signal quality.
The CDMA-GSM filter cavity 12, the DCS1800 filter cavity 22, the 3G2100 filter cavity 32 and the Internux2300/2400/2600 filter cavity 42 are separated by adopting coupling windows, so that the aim of eliminating the interference among the CDMA-GSM filter cavity, the DCS1800 filter cavity, the 3G2100 filter cavity and the Internux2300/2400/2600 filter cavity is fulfilled.
The DCS1800 signal transmission area 2 comprises six signal-connected first resonant columns 21, the 3G2100 signal transmission area 3 comprises eight signal-connected second resonant columns 31, and the Internux2300/2400/2600 signal transmission area 4 comprises seven signal-connected third resonant columns 41.
In this embodiment, the signal input terminal 51 signal-connected to the CDMA-GSM signal transmission area 1 and the signal input terminal 52 signal-connected to the DCS1800 signal transmission area 2 are formed as a first common input terminal by aluminum pipe welding, and the signal input terminal 53 signal-connected to the 3G2100 signal transmission area 3 and the signal input terminal 54 signal-connected to the lnux 2300/2400/2600 signal transmission area 4 are formed as a second common input terminal by welding.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (8)
1. A multi-operator universal four-frequency combiner is characterized by comprising a CDMA-GSM signal transmission area (1), a DCS1800 signal transmission area (2), a 3G2100 signal transmission area (3) and an Internux2300/2400/2600 signal transmission area (4), signal input ends (5) which are respectively arranged at one ends of the four signal transmission areas and are in signal connection, and a signal combining output end (6) which is arranged at the other ends of the four signal transmission areas and is in signal connection;
the CDMA-GSM signal transmission area (1) comprises a plurality of signal-connected inductor sheets (11) and a CDMA-GSM filter cavity (12) coated on the periphery of the inductor sheets (11), the DCS1800 signal transmission area (2) comprises a plurality of signal-connected first resonant columns (21) and a DCS1800 filter cavity (22) coated on the periphery of the first resonant columns (21), the 3G2100 signal transmission area (3) comprises a plurality of signal-connected second resonant columns (31) and a 3G2100 filter cavity (32) coated on the periphery of the second resonant columns (31), the Internux2300/2400/2600 signal transmission area (4) comprises a plurality of signal-connected third resonant columns (41) and an Internux2300/2400/2600 filter cavity (42) coated on the periphery of the third resonant columns (41);
the signal input end (5) is in signal connection with the filter cavities of the corresponding systems in a capacitive coupling mode, and the signal combining output end (6) connects the filter cavities of all signals through a common shaft to combine a signal and output the signal.
2. The multi-operator universal four-frequency combiner according to claim 1, wherein the signal combining output end (6) comprises a first common shaft (61), a second common shaft (62) in signal connection with the first common shaft (61), a first common cavity (63) covering the first common shaft (61), and a second common cavity (64) covering the second common shaft (62), wherein the inductance piece (11) and the first resonant column (21) are in signal connection with the first common shaft (61), and the second resonant column (31) and the third resonant column (41) are in signal connection with the second common shaft (62).
3. The multi-operator universal four-frequency combiner according to claim 1, wherein the CDMA-GSM filter cavity (12), the DCS1800 filter cavity (22), the 3G2100 filter cavity (32), and the lnux 2300/2400/2600 filter cavity (42) all adopt a band-pass filter structure.
4. The multi-operator universal four-frequency combiner according to claim 1, wherein the CDMA-GSM filter cavity (12), the DCS1800 filter cavity (22), the 3G2100 filter cavity (32), and the lnux 2300/2400/2600 filter cavity (42) are separated by a coupling window.
5. The multi-operator universal four-frequency combiner according to claim 1, wherein said DCS1800 signal transmission section (2) comprises six signal-connected first resonant columns (21).
6. The multi-operator universal four-frequency combiner according to claim 1, wherein the 3G2100 signal transmission region (3) comprises eight signal-connected second resonant columns (31).
7. The multi-operator universal four-frequency combiner according to claim 1, wherein said lnux 2300/2400/2600 signal transmission area (4) comprises seven signal-connected third resonant columns (41).
8. The multi-operator universal four-frequency combiner according to any one of claims 1-7, wherein the signal input terminal signal-connected to the CDMA-GSM signal transmission area (1) and the signal input terminal signal-connected to the DCS1800 signal transmission area (2) are welded to form a first common input terminal, and the signal input terminal signal-connected to the 3G2100 signal transmission area (3) and the signal input terminal signal-connected to the lnux 2300/2400/2600 signal transmission area (4) are welded to form a second common input terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020297980.7U CN211182472U (en) | 2020-03-12 | 2020-03-12 | Universal four-frequency combiner for multiple operators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020297980.7U CN211182472U (en) | 2020-03-12 | 2020-03-12 | Universal four-frequency combiner for multiple operators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211182472U true CN211182472U (en) | 2020-08-04 |
Family
ID=71827545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020297980.7U Active CN211182472U (en) | 2020-03-12 | 2020-03-12 | Universal four-frequency combiner for multiple operators |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211182472U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113381147A (en) * | 2021-04-26 | 2021-09-10 | 深圳市数创众泰科技有限公司 | Combiner and communication equipment |
-
2020
- 2020-03-12 CN CN202020297980.7U patent/CN211182472U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113381147A (en) * | 2021-04-26 | 2021-09-10 | 深圳市数创众泰科技有限公司 | Combiner and communication equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101031836B1 (en) | High-frequency device, high-frequency module and communications device comprising them | |
| CN106559048B (en) | Multimode radio frequency power amplifier | |
| KR100899102B1 (en) | Diplexer and combiner for mutli-band having the same | |
| CN211182472U (en) | Universal four-frequency combiner for multiple operators | |
| EP2086244B1 (en) | Signal combination method, device and system having different system, same band and antenna sharing | |
| CN113644931A (en) | High-frequency module and communication device | |
| CN105305985A (en) | Radio frequency amplification device | |
| CN211655006U (en) | A multifrequency combiner for 5G | |
| KR102468868B1 (en) | Tunable antenna and communication terminal | |
| CN202196843U (en) | Multiplexer multi-system module | |
| CN216120688U (en) | Three-frequency-band combiner | |
| CN215266620U (en) | Universal six-frequency combiner for multiple operators | |
| CN215266619U (en) | Universal three-frequency combiner for multiple operators | |
| CN210430042U (en) | Dual-mode dual-frequency coaxial cavity filter | |
| CN116938261A (en) | Design method of single-mode and dual-mode communication radio frequency front end of ad hoc network radio station | |
| CN206564316U (en) | A kind of POI combiners module | |
| CN113644398A (en) | Multi-system combiner platform | |
| CN209088041U (en) | A kind of eight frequency combiners | |
| CN202713287U (en) | Radio frequency circuit and mobile communication terminal | |
| KR100661881B1 (en) | Repeater having strip line resonators | |
| CN102569955B (en) | Dual-frequency band-pass filter based on asymmetric branch node load resonators | |
| CN207283535U (en) | The power amplification system of full operator full system type pictorial covering | |
| CN112993503B (en) | 5G general coupling filter | |
| CN2618308Y (en) | Multiple frequency merger for mobile communication | |
| CN206412450U (en) | A kind of adjacent frequency combiner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |