CN203071198U - Coaxial cable combiner - Google Patents
Coaxial cable combiner Download PDFInfo
- Publication number
- CN203071198U CN203071198U CN 201220705817 CN201220705817U CN203071198U CN 203071198 U CN203071198 U CN 203071198U CN 201220705817 CN201220705817 CN 201220705817 CN 201220705817 U CN201220705817 U CN 201220705817U CN 203071198 U CN203071198 U CN 203071198U
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- coaxial cable
- filter
- tap
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- matching section
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Abstract
The utility model relates to a coaxial cable combiner which comprises a public tap (1) and at least two filters (2). The public tap (1) comprises input ends, tap matching sections (5) and an output end, wherein the number of the input ends is corresponding to the number of the filters (2). The input ends of the public tap (1) are connected with the output end respectively through corresponding tap matching sections (5). Each filter (2) comprises an input end, an output end, N matching sections (3), N+1 branch sections (4) and N+1 power dividers (14), wherein N is an integer which is equal or greater than 1. The matching sections (3) and the branch sections (4) of each filter (2) are coaxial cables. All parts are connected with each other to form the technical scheme of the utility model. The coaxial cable combiner provided by the utility model is small in size, is easy to work with an antenna, and has the advantages of simple structure, convenient processing and low cost.
Description
Technical field
The utility model relates to a kind of coaxial cable mixer.
Background technology
At present, the dual-band and dual-polarization electrical tilt antenna is that a kind of frequency range can cover two frequency ranges (880-960MHz and 1710-1880MHz) the adjustable antenna of angle of declination.Its use can improve network capacity largely, greatly reduces the base station cost.By mixer, the radiofrequency signal of two frequency ranges can have been saved the base station cost from an output output.Yet, at present on the market popular mixer mostly to be parameter request higher, volume is bigger, price is expensive cavity mixer also.Although its excellent performance, and be not suitable for becoming the accessory of antenna for base station.
The utility model content
Technical problem to be solved in the utility model provides a kind of simple in structure, and building block is few, be easy to produce, and cheap, the coaxial cable mixer that loss is low.
The utility model is in order to solve the problems of the technologies described above by the following technical solutions: the utility model has designed a kind of coaxial cable mixer, comprises common tap and at least two filters; Wherein, common tap comprises the input corresponding with filter quantity, tap matching section and an output, after each input passes through corresponding tap matching section respectively on the common tap, is connected with output; Filter comprises input, output, a N matching section, a N+1 minor matters section and N+1 power splitter, wherein N is the integer more than or equal to 1, each power splitter is separately positioned on the two ends of each matching section, connect each matching section and power splitter, input is connected with output behind the matching section of mutually series connection and power splitter on the filter, and each minor matters section is connected on each power splitter; The output of filter is connected with the input of common tap; The matching section of described filter and minor matters section are coaxial cable.
As a kind of optimal technical scheme of the present utility model: the tap matching section of described common tap is coaxial cable.
As a kind of optimal technical scheme of the present utility model: described filter comprises high frequency filter and low-frequency filter, and wherein, the matching section of high frequency filter is the coaxial cable corresponding with high-frequency signal; The matching section of low-frequency filter is the coaxial cable corresponding with low frequency signal.
A kind of coaxial cable mixer described in the utility model adopts above technical scheme compared with prior art, has following technique effect:
(1) the coaxial cable mixer size of the utility model design is less, is convenient to and combination of antennas, and has advantage simple in structure, easy to process, cheap;
(2) the coaxial cable mixer median filter of the utility model design comprises high frequency filter and low-frequency filter, can effectively close the road to high-frequency signal and low frequency signal.
Description of drawings
Fig. 1 is the structural representation of the coaxial cable mixer of the utility model design;
Fig. 2 is the standing wave curve chart of the coaxial cable mixer of the utility model design;
Fig. 3 is that the coaxial cable mixer medium-high frequency signal of the utility model design is to the inhibition curve chart of low frequency signal;
Fig. 4 is that the coaxial cable mixer medium and low frequency signal of the utility model design is to the inhibition curve chart of high-frequency signal.
Wherein, 1. common tap, 2. filter, 3. matching section, 4. minor matters section, 5. tap matching section, 6. high frequency filter, 7. low-frequency filter, the 8. first high frequency minor matters section, 9. the second high frequency minor matters section, 10. the first low frequency minor matters section, 11. second low frequency minor matters sections, 12. first tap matching sections, 13. the second tap matching section, 14. power splitters.
Embodiment
Below in conjunction with Figure of description embodiment of the present utility model is described in further detail.
As shown in Figure 1, the utility model has designed a kind of coaxial cable mixer, comprises common tap 1 and at least two filters 2; Wherein, common tap 1 comprises the input corresponding with filter 2 quantity, tap matching section 5 and an output, after each input passes through corresponding tap matching section 5 respectively on the common tap 1, is connected with output; Filter 2 comprises input, output, a N matching section 3, a N+1 minor matters section 4 and N+1 power splitter 14, wherein N is the integer more than or equal to 1, each power splitter 14 is separately positioned on the two ends of each matching section 3, connect each matching section 3 and power splitter 14, input is connected with output behind the matching section 3 of mutually series connection and power splitter 14 on the filter 2, and each minor matters section 4 is connected on each power splitter 14; The output of filter 2 is connected with the input of common tap 1; Matching section 3 and the minor matters section 4 of described filter 2 are coaxial cable.
The coaxial cable mixer size of the utility model design is less, is convenient to and combination of antennas, and has advantage simple in structure, easy to process, cheap.
As a kind of optimal technical scheme of the present utility model: the tap matching section 5 of described common tap 1 is coaxial cable.
As a kind of optimal technical scheme of the present utility model: described filter 2 comprises high frequency filter 6 and low-frequency filter 7, and wherein, the matching section 3 of high frequency filter 6 is the coaxial cable corresponding with high-frequency signal; The matching section 3 of low-frequency filter 6 is the coaxial cable corresponding with low frequency signal.
The coaxial cable mixer median filter 2 of the utility model design comprises high frequency filter 6 and low-frequency filter 7, can effectively close the road to high-frequency signal and low frequency signal.
The coaxial cable mixer of the utility model design is in specific embodiment, as shown in Figure 1, minor matters section 4 in the high frequency filter 6, this minor matters section 4 comprises the first high frequency minor matters section 8 and the second high frequency minor matters section 9, the impedance of the first high frequency minor matters section 8 and the second high frequency minor matters section 9 is 75 Ω, 50 Ω respectively, length is 1/2nd wavelength, and the first high frequency minor matters section 8 and the second high frequency minor matters section 9 are open circuit; Matching section 3 in the high frequency filter 6 is the coaxial cable that is complementary with high-frequency signal, and impedance is 50 Ω, and length is quarter-wave.Wherein, wavelength is in the counterpart impedance cable, according to its high-frequency signal section center frequency point, the wavelength of converting out.
The coaxial cable mixer of the utility model design is in specific embodiment, as shown in Figure 1, minor matters section 4 in the low-frequency filter 7, this minor matters section 4 comprises the first low frequency minor matters section 10 and the second low frequency minor matters section 11, the impedance of the first low frequency minor matters section 10 and the second low frequency minor matters section 11 is 50 Ω, length is quarter-wave, and the first low frequency minor matters section 10 and the second low frequency minor matters section 11 are short circuit; Matching section 3 in the low-frequency filter 7 is the coaxial cable that is complementary with low frequency signal, and impedance is 50 Ω, and length is quarter-wave.Wherein, wavelength is in the counterpart impedance cable, according to its low frequency signal section center frequency point, the wavelength of converting out.
The coaxial cable mixer of the utility model design is in specific embodiment, as shown in Figure 1, tap matching section 5 comprises the first tap matching section 12 and the second tap matching section 13 in the common tap 1, the impedance of the first tap matching section 12 and the second tap matching section 13 is respectively 75 Ω, 50 Ω, and its length is respectively 1/4th of corresponding wavelength separately.Wherein, the wavelength of the first tap matching section, 12 correspondences is in the 75 Ω impedance cables, according to its high-frequency signal section center frequency point, the wavelength of converting out; The wavelength of the second tap matching section, 13 correspondences is in the 50 Ω impedance cables, according to its low frequency signal section center frequency point, the wavelength of converting out.
The coaxial cable mixer of the utility model design is based on above embodiment, and described high frequency filter 6 can receive the signal of 1710～1880MHz frequency range; Low-frequency filter 7 can receive the signal of 880～960MHz frequency range, and in the practical application, as shown in Figure 2, when the coaxial cable mixer of the utility model design was operated in the frequency range 880-960MHz, voltage standing wave ratio≤1.2 were to the inhibition 〉=40dB of high frequency; When being operated in the frequency range 1710-1880MHz, voltage standing wave ratio≤1.2 are to the inhibition 〉=36dB of low frequency.
As shown in Figure 3, in the coaxial cable mixer of the utility model based on above embodiment design, high-frequency signal is to the isolation 〉=36dB in the low frequency signal process of inhibition.
As shown in Figure 4, in the coaxial cable mixer of the utility model based on above embodiment design, low frequency signal is to the isolation 〉=40dB in the high-frequency signal process of inhibition.
By reference to the accompanying drawings execution mode of the present utility model has been done detailed description above, but the utility model is not limited to above-mentioned execution mode, in the ken that those of ordinary skills possess, can also under the prerequisite that does not break away from the utility model aim, make a variety of changes.
Claims (3)
1. a coaxial cable mixer comprises common tap (1) and at least two filters (2); Wherein, common tap (1) comprises the input corresponding with filter (2) quantity, tap matching section (5) and an output, after last each input of common tap (1) passes through corresponding tap matching section (5) respectively, be connected with output; Filter (2) comprises input, output, a N matching section (3), a N+1 minor matters section (4) and N+1 power splitter (14), wherein N is the integer more than or equal to 1, each power splitter (14) is separately positioned on the two ends of each matching section (3), connect each matching section (3) and power splitter (14), filter (2) is connected with output after going up the matching section (3) of input through connecting mutually and power splitter (14), and each minor matters section (4) is connected on each power splitter (14); The output of filter (2) is connected with the input of common tap (1); It is characterized in that: matching section (3) and the minor matters section (4) of described filter (2) are coaxial cable.
2. according to the described a kind of coaxial cable mixer of claim 1, it is characterized in that: the tap matching section (5) of described common tap (1) is coaxial cable.
3. according to the described a kind of coaxial cable mixer of claim 1, it is characterized in that: described filter (2) comprises high frequency filter (6) and low-frequency filter (7), wherein, the matching section (3) of high frequency filter (6) is the coaxial cable corresponding with high-frequency signal; The matching section (3) of low-frequency filter (6) is the coaxial cable corresponding with low frequency signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220705817 CN203071198U (en) | 2012-12-19 | 2012-12-19 | Coaxial cable combiner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220705817 CN203071198U (en) | 2012-12-19 | 2012-12-19 | Coaxial cable combiner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203071198U true CN203071198U (en) | 2013-07-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220705817 Expired - Fee Related CN203071198U (en) | 2012-12-19 | 2012-12-19 | Coaxial cable combiner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203071198U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746160A (en) * | 2013-12-25 | 2014-04-23 | 北京星河亮点技术股份有限公司 | Combiner module and combiner device |
| CN109728393A (en) * | 2018-08-07 | 2019-05-07 | 中国航空工业集团公司雷华电子技术研究所 | A kind of racemosus section power splitter |
| CN113917297A (en) * | 2021-10-11 | 2022-01-11 | 广东电网有限责任公司广州供电局 | Cable detection device and cable detection system |
-
2012
- 2012-12-19 CN CN 201220705817 patent/CN203071198U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746160A (en) * | 2013-12-25 | 2014-04-23 | 北京星河亮点技术股份有限公司 | Combiner module and combiner device |
| CN103746160B (en) * | 2013-12-25 | 2015-10-28 | 北京星河亮点技术股份有限公司 | Close road module and close road device |
| CN109728393A (en) * | 2018-08-07 | 2019-05-07 | 中国航空工业集团公司雷华电子技术研究所 | A kind of racemosus section power splitter |
| CN113917297A (en) * | 2021-10-11 | 2022-01-11 | 广东电网有限责任公司广州供电局 | Cable detection device and cable detection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20140320 Granted publication date: 20130717 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20150320 Granted publication date: 20130717 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20151219 |
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| EXPY | Termination of patent right or utility model |