CN106159407A - A kind of ultra broadband bonder - Google Patents
A kind of ultra broadband bonder Download PDFInfo
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- CN106159407A CN106159407A CN201510174697.9A CN201510174697A CN106159407A CN 106159407 A CN106159407 A CN 106159407A CN 201510174697 A CN201510174697 A CN 201510174697A CN 106159407 A CN106159407 A CN 106159407A
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Abstract
The invention discloses a kind of ultra broadband bonder, described ultra broadband bonder includes the first port (1), the second port (2), the 3rd port (3), the first resistance (4), the second resistance (5) and the 3rd resistance (6)；3rd port (3) is connected with the first port (1), and one end of the first resistance (5) is connected with the link of the first port (1) and the 3rd port (3), and the other end and the second port (2) are connected；Link between one end of second resistance (5) with the first resistance (4) and the second port (2) is connected, and the other end is connected with the shell of coaxial line (7)；One end of 3rd resistance (6) is connected with the link of the second resistance (5), and the other end is connected to the ground and connects.Solve the problem that 1/4 wavelength coupler bandwidth is not enough, it is achieved that bandwidth can reach 20GHz more than 2000 octaves, upper limiting frequency；Solve the crosstalk of signal, improve the flatness of the degree of coupling and Insertion Loss, improve the directivity of directional coupler.
Description
Technical field
The present invention relates to a kind of bonder, be specifically related to a kind of wide-band coupler.
Background technology
In microwave, RF application, system needs power is carried out certain distribution or sampling, to realize some control function, it is achieved power distribution or sample the most frequently used device and just include bonder.The common type of bonder has-three-dB coupler (power splitter) ,-10dB bonder ,-15dB bonder ,-20dB bonder etc..
At present, known microwave, the implementation method of radio frequency low-power bonder have 1/4 wave microstrip bonder, 1/4 wavelength coaxial bonder etc., owing to 1/4 wavelength line is directly related with frequency, so the bandwidth realization that effectively uses of the bonder of this 1/4 wavelength is not the most the widest, general within 1GHz, it is extremely difficult to the bandwidth of more than 10 octaves；Existing bonder there is also directivity due to the isolation difficulty of signal bigger, it is also difficult to the problem reaching the most excellent index.
But generally require the bonder of super large bandwidth in a practical situation, and upper limiting frequency more than 10GHz to be reached, the such as bandwidth demand of this up to 2000 octaves from 10MHz to 20GHz, existing 1/4 wavelength coupler is unable to reach such bandwidth requirement.
Summary of the invention
In view of the foregoing, the present invention provides a kind of wide-band coupler, and described ultra broadband bonder includes the first port the 1, second port the 2, the 3rd port the 3, first resistance the 4, second resistance 5 and the 3rd resistance 6；3rd port 3 is connected with the first port 1 by coaxial line 7, and described coaxial line 7 is cased with the magnet ring 8 of different frequency response；One end of first resistance 5 is connected with the link of the first port 1 and the 3rd port 3, and the other end and the second port 2 are connected；Link between one end of second resistance 5 with the first resistance 4 and the second port 2 is connected, and the other end is connected with the shell of coaxial line 7；Link between one end of 3rd resistance 6 with the second resistance 5 and the shell of coaxial line 7 is connected, and the other end is connected to the ground and connects.
The link form being connected between first resistance the 4, second resistance 5 and the 3rd resistance 6 of described ultra broadband bonder is microstripline, described microstripline is printed on high-frequency microwave plate, described first resistance the 4, second resistance 5 and the 3rd resistance 6 are welded on high-frequency microwave plate, described microstripline is provided with micro-strip-coaxial change-over circuit, the inner core of the coaxial line 7 of described 3rd port 3 with and the microstrip circuit that is connected of the first port 1 be attached.
Described ultra broadband bonder also includes the metal case being provided with airtight cavity, and described metal case includes metal base and metal case top, and described cavity is combined fixing forming by metal base and metal case top, and described high-frequency microwave plate is fixed in described cavity.
Remaining space after the high-frequency microwave plate of described ultra broadband bonder is fixed in described cavity is provided with implant.This implant can be the material of metal case own, it is also possible to be the suction ripple insulant of other corresponding band.
The high-frequency microwave plate of described ultra broadband bonder is fixed in described cavity by sintering or screw；Described metal base and metal case top connect by screw is fixing.
First port the 1, second port the 2, the 3rd port 3 of described ultra broadband bonder is SMA interface or N-type interface.
Described ultra broadband bonder also includes that metal supports box body, and described metal is provided with cavity in supporting box body, and the coupling part between described 3rd port 3 and microstrip circuit is placed in the cavity that described metal supports box body.
The metal of described ultra broadband bonder supports box body to include, and two semimetals support by two semimetals, box body, the cavity of described metal support box body support that box bodys combine.
Use prior art after technical scheme to compare, possess following advantage and beneficial effect:
1, the problem that 1/4 wavelength coupler bandwidth is not enough is solved, it is achieved that bandwidth is more than 2000 octaves, and upper limiting frequency at least can reach 20GHz.
2, microwave printed board, can and the three-dimensional closed structure of magnet ring three composition are used, it is possible to well solve the mutual crosstalk of signal, improve the flatness in the degree of coupling and Insertion Loss bandwidth of operation, improve the directivity of directional coupler.
Accompanying drawing explanation solves
The circuit theory diagrams of Fig. 1 present invention；
The structure chart of Fig. 2 embodiments of the invention；
The structural representation of Fig. 3 present invention；
The test result of Fig. 4 present invention.
In figure, 1-the first port, 2-the second port, 3-the 3rd port, 4-the first resistance, 5-the second resistance, 6-the 3rd resistance, 7-coaxial line, 8-magnet ring, 9-metal case, 10-metal base, 11-metal case top, 12-metal supports box body.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Embodiment one
Embodiments of the invention see Fig. 2, mainly include that described ultra broadband bonder includes the first port the 1, second port the 2, the 3rd port the 3, first resistance the 4, second resistance 5 and the 3rd resistance 6；Described three ports are SMA interface；3rd port 3 is connected with the first port 1 by coaxial line 7, and described coaxial line 7 is cased with the magnet ring 8 of different frequency response；One end of first resistance 5 is connected with the link of the first port 1 and the 3rd port 3, and the other end and the second port 2 are connected；Link between one end of second resistance 5 with the first resistance 4 and the second port 2 is connected, and the other end is connected with the shell of coaxial line 7；Link between one end of 3rd resistance 6 with the second resistance 5 and the shell of coaxial line 7 is connected, and the other end is connected to the ground and connects.
The link form being connected between first resistance the 4, second resistance 5 and the 3rd resistance 6 of ultra broadband bonder described in the present embodiment is microstripline, described microstripline is printed on high-frequency microwave plate, described first resistance the 4, second resistance 5 and the 3rd resistance 6 are welded on high-frequency microwave plate, described microstripline is provided with micro-strip-coaxial change-over circuit, the inner core of the coaxial line 7 of described 3rd port 3 with and the microstrip circuit that is connected of the first port 1 be attached.
Ultra broadband bonder described in the present embodiment also includes the metal case being provided with airtight cavity, described metal case includes metal base and metal case top, described cavity is combined fixing forming by metal base and metal case top, and described high-frequency microwave plate is fixed in described cavity.
The high-frequency microwave plate of ultra broadband bonder described in the present embodiment is by being sintered to fix in described cavity；Described metal base and metal case top connect by screw is fixing.
Ultra broadband bonder described in the present embodiment also includes that metal supports box body, described metal is provided with cavity in supporting box body, the metal of described ultra broadband bonder supports that box body is that two semimetals support box body, described metal supports by two semimetals, the cavity of box body supports that box body combines, and the coupling part between described 3rd port 3 and microstrip circuit is placed in the cavity that described metal supports box body.
Embodiment two
Embodiments of the invention see Fig. 2, mainly include that described ultra broadband bonder includes the first port the 1, second port the 2, the 3rd port the 3, first resistance the 4, second resistance 5 and the 3rd resistance 6；Described three ports are N-type interface；3rd port 3 is connected with the first port 1 by coaxial line 7, and described coaxial line 7 is cased with the magnet ring 8 of different frequency response；One end of first resistance 5 is connected with the link of the first port 1 and the 3rd port 3, and the other end and the second port 2 are connected；Link between one end of second resistance 5 with the first resistance 4 and the second port 2 is connected, and the other end is connected with the shell of coaxial line 7；Link between one end of 3rd resistance 6 with the second resistance 5 and the shell of coaxial line 7 is connected, and the other end is connected to the ground and connects.
The link form being connected between first resistance the 4, second resistance 5 and the 3rd resistance 6 of ultra broadband bonder described in the present embodiment is microstripline, described microstripline is printed on high-frequency microwave plate, described first resistance the 4, second resistance 5 and the 3rd resistance 6 are welded on high-frequency microwave plate, described microstripline is provided with micro-strip-coaxial change-over circuit, the inner core of the coaxial line 7 of described 3rd port 3 with and the microstrip circuit that is connected of the first port 1 be attached.
Ultra broadband bonder described in the present embodiment also includes the metal case being provided with airtight cavity, described metal case includes metal base and metal case top, described cavity is combined fixing forming by metal base and metal case top, and described high-frequency microwave plate is fixed in described cavity.
Remaining space after the high-frequency microwave plate of ultra broadband bonder described in the present embodiment is fixed in described cavity is provided with implant.This implant can be the material of metal case own, it is also possible to be the suction ripple insulant of other corresponding band.
The high-frequency microwave plate of ultra broadband bonder described in the present embodiment is fixed in described cavity by screw；Described metal base and metal case top connect by screw is fixing.
Remaining space after the high-frequency microwave plate of ultra broadband bonder described in the present embodiment is fixed in described cavity is provided with implant.This implant can be the material of metal case own, it is also possible to be the suction ripple insulant of other corresponding band.
Ultra broadband bonder described in the present embodiment also includes that metal supports box body, described metal is provided with cavity in supporting box body, the metal of described ultra broadband bonder supports that box body is that two semimetals support box body, described metal supports by two semimetals, the cavity of box body supports that box body combines, and the coupling part between described 3rd port 3 and microstrip circuit is placed in the cavity that described metal supports box body.
Use prior art after technical scheme to compare, possess following advantage and beneficial effect:
1,1/4 wavelength coupler bandwidth wretched insufficiency is solved, general in hundreds of megahertz, it is difficult to the bandwidth more than 10 octaves, it is difficult to meet the technical barrier of actual demand, by the principle topological diagram of electric bridge form, well achieving bandwidth more than 2000 octaves, highest frequency reaches the ultra broadband bonder of 20GHz, 10MHz ~ 20GHz.
2, the some magnet ring threes using microwave printed board, the metal case structure of high conductivity and suppression low frequency performance good form a 3-D solid structure, well solve the mutual crosstalk of signal, improve the flatness of the degree of coupling and Insertion Loss, be greatly improved the directivity of directional coupler simultaneously by magnet ring.
Described above to the disclosed embodiments, make professional and technical personnel in the field be capable of or use the present invention, multiple amendment to these embodiments is apparent from for those skilled in the art, generic principles defined herein can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein, and is to fit to the widest range consistent with principles disclosed herein and features of novelty.
Claims (8)
1. a ultra broadband bonder, it is characterised in that described ultra broadband bonder includes the first port (1), the second port (2), the 3rd port (3), the first resistance (4), the second resistance (5) and the 3rd resistance (6)；3rd port (3) is connected with the first port (1) by coaxial line (7), and described coaxial line (7) is cased with the magnet ring (8) of different frequency response；One end of first resistance (5) is connected with the link of the first port (1) and the 3rd port (3), and the other end and the second port (2) are connected；Link between one end of second resistance (5) with the first resistance (4) and the second port (2) is connected, and the other end is connected with the shell of coaxial line (7)；Link between one end and the shell of the second resistance (5) and coaxial line (7) of the 3rd resistance (6) is connected, and the other end is connected to the ground and connects.
2. ultra broadband bonder as claimed in claim 1, it is characterized in that, the link form being connected between described first resistance (4), the second resistance (5) and the 3rd resistance (6) is microstripline, described microstripline is printed on high-frequency microwave plate, described first resistance (4), the second resistance (5) and the 3rd resistance (6) are welded on high-frequency microwave plate, described microstripline is provided with micro-strip-coaxial change-over circuit, the inner core of the coaxial line (7) of described 3rd port (3) with and the microstrip circuit that is connected of the first port (1) be attached.
3. ultra broadband bonder as claimed in claim 2, it is characterized in that, described ultra broadband bonder also includes the metal case being provided with airtight cavity, described metal case includes metal base and metal case top, described cavity is combined fixing forming by metal base and metal case top, and described high-frequency microwave plate is fixed in described cavity.
4. ultra broadband bonder as claimed in claim 3, it is characterised in that the remaining space after described high-frequency microwave plate is fixed in described cavity is provided with implant, and described implant can be the suction ripple insulant of the material of metal case own or corresponding band.
5. ultra broadband bonder as claimed in claim 4, it is characterised in that described high-frequency microwave plate is fixed in described cavity by sintering or screw；Described metal base and metal case top connect by screw is fixing.
6. ultra broadband bonder as claimed in claim 5, it is characterised in that described first port (1), the second port (2), the 3rd port (3) are SMA interface or N-type interface.
7. ultra broadband bonder as claimed in claim 6, it is characterized in that, described ultra broadband bonder also includes that metal supports box body, and described metal is provided with cavity in supporting box body, and the coupling part between described 3rd port (3) and microstrip circuit is placed in the cavity that described metal supports box body.
8. ultra broadband bonder as claimed in claim 7, it is characterised in that described metal supports that box body includes two semimetals support box bodys, and described metal supports by two semimetals, the cavity of box body supports that box bodys combine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510174697.9A CN106159407A (en) | 2015-04-14 | 2015-04-14 | A kind of ultra broadband bonder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510174697.9A CN106159407A (en) | 2015-04-14 | 2015-04-14 | A kind of ultra broadband bonder |
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| CN106159407A true CN106159407A (en) | 2016-11-23 |
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| CN201510174697.9A Pending CN106159407A (en) | 2015-04-14 | 2015-04-14 | A kind of ultra broadband bonder |
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Citations (2)
| 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 |
| CN204596933U (en) * | 2015-04-14 | 2015-08-26 | 珠海思开达技术有限公司 | A kind of ultra broadband coupler |
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2015
- 2015-04-14 CN CN201510174697.9A patent/CN106159407A/en active Pending
Patent Citations (2)
| 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 |
| CN204596933U (en) * | 2015-04-14 | 2015-08-26 | 珠海思开达技术有限公司 | A kind of ultra broadband coupler |
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