CN201812918U - Air stripline one-to-two power divider - Google Patents
Air stripline one-to-two power divider Download PDFInfo
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- CN201812918U CN201812918U CN2010205522151U CN201020552215U CN201812918U CN 201812918 U CN201812918 U CN 201812918U CN 2010205522151 U CN2010205522151 U CN 2010205522151U CN 201020552215 U CN201020552215 U CN 201020552215U CN 201812918 U CN201812918 U CN 201812918U
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Abstract
The utility model discloses an air stripline one-to-two power divider which comprises a cavity and a cover plate, wherein the cover plate is matched with the cavity; the cavity is provided with an input end and two output ends, and striplines are connected between the input end and the output ends; the striplines are two five-joint square bended corrugated striplines suspended in the cavity, and the two striplines are assembled opposite to the mirror images thereof; an isolating resistor is bridged over nodes at the adjacent parts of the two striplines; and the single-side length of the third-joint square bended part is one fourth wavelength of a centre frequency, the single-side lengths of the second-joint square bended part and the first-joint square bended part are sequentially shortened, and the single-side lengths of the fourth-joint square bended part and the fifth-joint square bended part are sequentially increased. The utility model has the advantages that the power divider is designed according to the Chebyshev principle and the one-to-two power dividing is realized by using the five-joint air striplines, therefore, the power divider has excellent PIM (passive inter-modulation) index, and is large in power capacity, high in isolation and wide in frequency range, wherein the frequency range is 700 to 2700MHz, therefore the problems of poor PIM (passive inter-modulation) index, low power capacity and the like of the current microstrip power dividers and medium stripline power dividers are solved.
Description
Technical field
The utility model relates to the microwave receiving technology, particularly a kind of wideband power splitter, specifically a kind of air strip line one-to-two power splitter.
Background technology
Power splitter is a kind of modal passive device, and it is mainly used in one road signal is divided into two the road or multiple signals, plays a part power averaging and distributes.At present, in the reception of microwave and transmitting, often running into is divided into two signal is sent to the situation of two receiving equipments, at this moment, will use the one-to-two power splitter.In the prior art, power splitter commonly used has two kinds of microstrip power divider and medium power splitters, but it all exists problems such as intermodulation index error and power capacity are low to some extent.Therefore, have wide frequency range, the isolation height, the power splitter that power loss is little is very popular.
Summary of the invention
Technical problem to be solved in the utility model is at above-mentioned prior art present situation, a kind of air strip line one-to-two power splitter of operating frequency range at 700-2700MHz is provided, its frequency range is wideer, isolation is higher and it is good to have an intermodulation, advantage such as power capacity is big.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of air strip line one-to-two power splitter, comprise cavity and the cover plate that matches with it, described cavity has an input and two outputs, input and output are connected with strip line, its strip line is unsettled two the five corrugated strip lines of joint side's bending that are arranged in the cavity, and the relative mirror image of two strip lines is equipped; Equal cross-over connection has isolation resistance between the adjacent node of described two strip lines; The monolateral length of described the 3rd joint side bending is 1/4 wavelength of centre frequency, and second joint and first segment then shorten successively, and the 4th joint and the 5th joint then increase successively.
For optimizing technique scheme, the concrete measure of taking also comprises:
Two above-mentioned outputs are positioned at the same side of cavity, and described input is positioned at the opposite side relative with output.
The metallic conductor diaphragm of two above-mentioned strip lines for adopting metal copper plate to make, its surface is coated with silver.
Two above-mentioned strip lines are that same copper coin adopts line cutting or Sheet Metal Forming Technology to make, and the moulding rear surface is silver-plated, and the first segment front end of its two strip line is for keeping the one end of integraty.
The adjacent node of two above-mentioned strip lines is provided with the polytetrafluoroethylene fixed block.
Compared with prior art, strip line of the present utility model is unsettled two the five corrugated strip lines of joint side's bending that are arranged in the cavity, and the relative mirror image of two strip lines is equipped; Equal cross-over connection has isolation resistance between the adjacent node of described two strip lines; The monolateral length of described the 3rd joint side bending is 1/4 wavelength of centre frequency, and second joint and first segment then shorten successively, and the 4th joint and the 5th joint then increase successively.
The utility model is according to Chebyshev's principle design, use five joint air strip lines and realize one-to-two merit branch, excellent passive intermodulation index is arranged, and power capacity is big, isolation is high and wide frequency range, its frequency range can solve problems such as existing microstrip power divider and medium strip line power splitter intermodulation index error and power capacity are low effectively at 700-2700MHz.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the upward view of Fig. 1;
Fig. 4 is the perspective view of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is to Figure 4 shows that structural representation of the present utility model.
Reference numeral wherein is: cavity 1, input 2, output 3, strip line 4, polytetrafluoroethylene fixed block 5, cover plate 6.
Embodiment one, as shown in Figures 1 to 4, a kind of air strip line one-to-two power splitter of the present utility model, the cover plate 6 that comprises cavity 1 and match with it, described cavity 1 has an input 2 and two outputs 3, input 2 is connected with strip line 4 with output 3, and its strip line 4 is unsettled two the five corrugated strip lines of joint side's bending that are arranged in the cavity, and two strip lines, 4 relative mirror images are equipped; Equal cross-over connection has isolation resistance between the adjacent node of described two strip lines 4; The monolateral length of described the 3rd joint side bending is 1/4 wavelength of centre frequency, and second joint and first segment then shorten successively, and the 4th joint and the 5th joint then increase successively.The utility model is used two corrugated air strip lines of symmetrically arranged five joint sides bending and is realized one-to-two merit branch, the signal that receives can be divided into two the tunnel and be sent to two receiving equipments by output 3, and has excellent passive intermodulation index, power capacity is big, its frequency range is at 700-2700MHz, and the node place of two strip lines 4 all is connected with isolation resistance, thereby strengthened isolation effect, had higher isolation.
Among the embodiment, two outputs 3 are positioned at the same side of cavity 1, and input 2 is positioned at the opposite side relative with output 3.The metallic conductor diaphragm of two strip lines 4 for adopting metal copper plate to make, its surface is coated with silver.Electroplate helps signal and transmits, and reduces power loss.
Among the embodiment, the adjacent node of two strip lines is provided with polytetrafluoroethylene fixed block 5.Polytetrafluoroethylene fixed block 5 is in light weight, and two strip lines 4 are located mutually, the fastness that can protect isolation resistance to connect simultaneously.
The utility model is the air strip line one-to-two power splitter of a 700-2700MHz, can solve problems such as existing microstrip power divider and medium strip line power splitter intermodulation index error and power capacity are low effectively.
Embodiment two, among the embodiment as shown in Figure 1, a kind of air strip line one-to-two power splitter of the present utility model, a side of its cavity 1 is equipped with an input 2, itself and input 2 corresponding opposite sides are equipped with 3, two outputs of two outputs about 3 and distribute.Cavity 1 is equipped with cover plate 6, the unsettled strip line 4 that is provided with the making of two flat copper metallic conductor diaphragms in the cavity 1, strip line 4 is made for adopt line cutting or Sheet Metal Forming Technology on a copper coin, form the corrugated strip line 4 of five joint sides bending that two mirror images are provided with, the first segment front end 4a of its two strip line 4 is for keeping the one end of one.The one end of two strip lines 4 is connected with input 2, and its other end then respectively connects an output 3.In order to improve isolation, equal cross-over connection has isolation resistance between the adjacent node of minimizing phase mutual interference two strip lines 4; As Fig. 1, shown in Figure 4, and bending monolateral length in the 3rd joint side is 1/4 wavelength of centre frequency, and second joint and first segment then shorten successively, and the 4th joint and the 5th saves then growth successively.The utility model is according to Chebyshev's principle design, use two corrugated air strip lines of symmetrically arranged five joint sides bending and realize one-to-two merit branch, its wide frequency range is at 700-2700MHz, the precision height, high conformity, have excellent passive intermodulation index, and power capacity is big, isolation is high and the characteristics of wide frequency range, can solves problems such as existing microstrip power divider and medium strip line power splitter intermodulation index error and power capacity are low effectively.
Among the embodiment, the surface of strip line 4 is coated with silver.Electroplate helps signal and transmits, and reduces power loss.Electroplate can online cutting or Sheet Metal Forming Technology adopt electric plating method silver-plated after making moulding.
Among the embodiment, the adjacent node of two strip lines is provided with polytetrafluoroethylene fixed block 5.Polytetrafluoroethylene fixed block 5 is in light weight, and two strip lines 4 are located mutually, the fastness that can protect isolation resistance to connect simultaneously.
Most preferred embodiment of the present utility model is illustrated, and various variations or the remodeling made by those of ordinary skills can not break away from scope of the present utility model.
Claims (5)
1. air strip line one-to-two power splitter, the cover plate (6) that comprises cavity (1) and match with it, described cavity (1) has an input (2) and two outputs (3), input (2) is connected with strip line (4) with output (3), it is characterized in that: described strip line (4) is unsettled two the five corrugated strip lines of joint side's bending that are arranged in the cavity, and the relative mirror image of two strip lines (4) is equipped; Equal cross-over connection has isolation resistance between the adjacent node of described two strip lines (4); The monolateral length of described the 3rd joint side bending is 1/4 wavelength of centre frequency, and second joint and first segment then shorten successively, and the 4th joint and the 5th joint then increase successively.
2. a kind of air strip line one-to-two power splitter according to claim 1, it is characterized in that: described two outputs (3) are positioned at the same side of cavity (1), and described input (2) is positioned at and the relative opposite side of output (3).
3. a kind of air strip line one-to-two power splitter according to claim 2 is characterized in that: the metallic conductor diaphragm of described two strip lines (4) for adopting metal copper plate to make, its surface is coated with silver.
4. a kind of air strip line one-to-two power splitter according to claim 3, it is characterized in that: described two strip lines (4) are made for same copper coin adopts line cutting or Sheet Metal Forming Technology, the moulding rear surface is silver-plated, and the first segment front end (4a) of its two strip line is for keeping the one end of integraty.
5. a kind of air strip line one-to-two power splitter according to claim 4, it is characterized in that: the adjacent node of described two strip lines is provided with polytetrafluoroethylene fixed block (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205522151U CN201812918U (en) | 2010-09-30 | 2010-09-30 | Air stripline one-to-two power divider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205522151U CN201812918U (en) | 2010-09-30 | 2010-09-30 | Air stripline one-to-two power divider |
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| Publication Number | Publication Date |
|---|---|
| CN201812918U true CN201812918U (en) | 2011-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205522151U Expired - Fee Related CN201812918U (en) | 2010-09-30 | 2010-09-30 | Air stripline one-to-two power divider |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102354788A (en) * | 2011-09-15 | 2012-02-15 | 南京肯立科技有限责任公司 | Air strip line type broadband low-intermodulation 3-way power divider |
| CN103367851A (en) * | 2012-03-28 | 2013-10-23 | 启碁科技股份有限公司 | Splitter |
| CN108281744A (en) * | 2018-01-30 | 2018-07-13 | 中国电子科技集团公司第三十八研究所 | A kind of broadband power divider and its circuit parameter design method based on Chebyshev transformation device |
| CN110854497A (en) * | 2019-10-21 | 2020-02-28 | 武汉滨湖电子有限责任公司 | P, L dual-waveband ultra-wideband air stripline power distribution network |
| CN114188690A (en) * | 2021-12-08 | 2022-03-15 | 中国电子科技集团公司第五十四研究所 | Ultra-wideband multi-path microwave power divider |
| CN115360490A (en) * | 2022-07-27 | 2022-11-18 | 中国船舶重工集团公司第七二四研究所 | Integrated air strip line power division sum-difference network and implementation method |
-
2010
- 2010-09-30 CN CN2010205522151U patent/CN201812918U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102354788A (en) * | 2011-09-15 | 2012-02-15 | 南京肯立科技有限责任公司 | Air strip line type broadband low-intermodulation 3-way power divider |
| CN102354788B (en) * | 2011-09-15 | 2013-08-28 | 南京肯立科技有限责任公司 | Air strip line type broadband low-intermodulation 3-way power divider |
| CN103367851A (en) * | 2012-03-28 | 2013-10-23 | 启碁科技股份有限公司 | Splitter |
| CN108281744A (en) * | 2018-01-30 | 2018-07-13 | 中国电子科技集团公司第三十八研究所 | A kind of broadband power divider and its circuit parameter design method based on Chebyshev transformation device |
| CN108281744B (en) * | 2018-01-30 | 2021-05-07 | 中国电子科技集团公司第三十八研究所 | Broadband power divider based on Chebyshev converter and circuit parameter design method thereof |
| CN110854497A (en) * | 2019-10-21 | 2020-02-28 | 武汉滨湖电子有限责任公司 | P, L dual-waveband ultra-wideband air stripline power distribution network |
| CN114188690A (en) * | 2021-12-08 | 2022-03-15 | 中国电子科技集团公司第五十四研究所 | Ultra-wideband multi-path microwave power divider |
| CN115360490A (en) * | 2022-07-27 | 2022-11-18 | 中国船舶重工集团公司第七二四研究所 | Integrated air strip line power division sum-difference network and implementation method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110427 Termination date: 20130930 |