CN103715488A - L waveband sum and difference device - Google Patents
L waveband sum and difference device Download PDFInfo
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- CN103715488A CN103715488A CN201310645242.1A CN201310645242A CN103715488A CN 103715488 A CN103715488 A CN 103715488A CN 201310645242 A CN201310645242 A CN 201310645242A CN 103715488 A CN103715488 A CN 103715488A
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Abstract
The invention discloses an L waveband sum and difference device and solves the problems that conventional L waveband sum and difference devices are large in size and poor in technological stability and environment adaption capacity. The front side of a cavity (1) is provided with first and second digged slots (6 and 7). The cavity (1) is internally provided with a printed board (6). Pins (11 and 12) of a front-side circuit of the printed board (6) are connected with a first different port (2) in the upper left end of the cavity (1) through a first cable (13). Pins (14 and 15) are connected with a first sum port (3) in the lower left end of the cavity (1) through a second cable (16). A back-side circuit of the printed board (8) is provided with a large copper pour area (17), a second terminal short circuit band-shaped wire (18), and third and fourth cables (19 and 20). Pins (21 and 22) are connected with a second sum port (4) in the upper right end of the cavity (1) through the third cable (19). Pins (23 and 24) are connected with a second difference port (5) in the lower right end of the cavity (1) through the fourth cable (20).
Description
technical field:
The present invention is relevant with the microwave device of the active beam-forming network of L-band.
background technology:
The L-band combiner having the sixth of the twelve Earthly Branches is bulky, and upper and lower two-layer cavity 28 and 29 is clipped in the middle printed board 30, adopts traditional welding procedure and device is not done to airtight processing, and adaptive capacity to environment is poor, debug difficulties.Due to hybrid ring combiner 31 with port 3 with adjacent with port 4, poor port 2, with to differ from port 5 adjacent, is unfavorable for actual use.In order to obtain the 3dB hybrid ring of octave bandwidth, use broadband paraphase network, by three times of quarter-wave transmission lines band rightabout shorted end transmission line that is designed to be coupled, be the method for general expansion combiner bandwidth.Because the even mode impedance value of coupling line is now very high, in technique, cannot directly use microstrip transmission line to realize.It is totally-enclosed medium that the L-band combiner having the sixth of the twelve Earthly Branches is used the condition of general strip line, and totally-enclosed medium consists of multilayer dielectricity, is unfavorable for debugging and structural realization.
summary of the invention:
The object of this invention is to provide the L-band combiner that a kind of volume is little, technology stability good and adaptive capacity to environment is strong.
The present invention is achieved in that
Above the left end of cavity 1, there is the first poor port 2, have first and port 3 below, above the right-hand member of cavity 1, have second and port 4, there is the second poor port 5 below, cavity 1 front has first, two groovings 6, 7, in cavity 1, there is printed board 8, the front circuit of printed board 8 has microstrip transmission line 9 and first terminal short circuit strip line 10 and four cable pinouts to connect and compose rectangle hybrid ring, first terminal short circuit strip line 10 is the top of rectangle hybrid ring, pin 11 on the upper cable of left end, under upper cable, pin 12 differs from port 2 by first above the left end of the first cable 13 and cavity 1 and is connected, pin 14 on cable under left end, under left end, under cable, pin 15 is connected with port 3 by first below the left end of the second cable 16 and cavity 1, the back side circuit of printed board 8 has large area floor file 17, the second terminal short circuit strip line 18 and the 3rd, four cables 19, 20, pin 21 on cable on left end, on left end, under cable, pin 22 is connected with port 4 by second above the right-hand member of the 3rd cable 19 and cavity 1, pin 23 on cable under left end, under left end, under cable, pin 24 differs from port 5 by second below the right-hand member of the 4th cable 20 and cavity 1 and is connected.
Printed board 8 is fixed on the interior rear welded cover plate 25 above of cavity 1, between cover plate 25 and printed board 8, there is cavity 26, in the cavity 26 of the first terminal short circuit strip line 10 of front circuit between printed board 8 and cover plate 25, the second terminal short circuit strip line 14 of back side circuit is between printed board and the first grooving 6, the 3rd, four cables 19, 20 are positioned at the second grooving 7, in printed board back side circuit welding the 3rd, four cables 19, 20 and first, second, the 3rd, the 4th cable is isometric, the first poor port 2, first and port 3, second and port 4, the second poor port 5 is radio frequency bead 27, sintering is on cavity 1.Cover plate adopts the mode of Laser seal welding to be combined with cavity.
First terminal short circuit strip line 10, the second terminal short circuit strip lines 14 are general strip line.
In technique of the present invention, easily realize.The difficult point of whole L-band combiner is design air strip line coupled end 27, the present invention is first by the independent design and simulation of air strip line coupled end, wherein the height of cavity should be selected suitablely, and the width of line should reach try one's best under the prerequisite of technological requirement wide as far as possible, is convenient to debugging.After touching the mark, bring again combiner into and carry out whole emulation.
The present invention uses cable routing, and four cable model is identical and with long, assurance adds after cable, and phase place does not change.Wherein two cables 19 and 20 have large area floor file 17 place's cablings at the printed board back side, and there is large area floor file 17 places welding at cable and the printed board back side, guarantee large area ground connection, make interference reduction and be beneficial to sheet material to fix.Of the present invention adjacent with poor port with port, be convenient to modulation.
The present invention has that volume is little, technology stability good and the advantage such as adaptive capacity to environment is strong.
Volume is little, is convenient to the system integration, convenient for assembly etc.
Technology stability is good, and printed board cabling meets technological standards, reduces technology difficulty.
Adaptive capacity to environment is strong, and printed board embeds in cavity completely, and input and output use radio frequency bead 35, and is sintered on cavity, and front cover plate adopts the mode of Laser seal welding to be combined with cavity, ensures the air-tightness of product.
The present invention is designed to rectangle structure by hybrid ring, has not only reduced device volume, is more conducive to design and produces.
In order to obtain the 3dB hybrid ring of octave bandwidth, use broadband paraphase network, by three times of quarter-wave transmission lines band rightabout shorted end transmission line that is designed to be coupled, be the method for general expansion combiner bandwidth.Because the even mode impedance value of coupling line is now very high, in technique, cannot directly use microstrip transmission line to realize, and combiner to use the condition of general strip line be totally-enclosed medium, by multilayer dielectricity, formed, be unfavorable for debugging and structural realization.The present invention changes into and adds air strip line design coupler.The printed board of whole L-band combiner is divided into tow sides, and front circuit is microstrip transmission line and a section termination short circuit strip line, and back side circuit is large area floor file and another section termination short-circuited transmission line.Four ports are connected with external circuit by bead.Debugging conveniently and in structure easily realizes.
accompanying drawing explanation:
Fig. 1 is conventional band line combiner outline drawing.
Fig. 2 is the upward view of Fig. 1.
Fig. 3 is traditional combiner port function figure.
Fig. 4 is air strip line coupled section figure of the present invention.
Fig. 5 is port function figure of the present invention.
Fig. 6 is printed board of the present invention front circuit diagram.
Fig. 7 is printed board reverse side circuit diagram of the present invention.
Fig. 8 is cavity figure of the present invention.
Fig. 9 is the vertical view of Fig. 8.
Figure 10 is the A-A cutaway view of Fig. 8.
embodiment:
Above the left end of cavity 1, there is the first poor port 2, have first and port 3 below, above the right-hand member of cavity 1, have second and port 4, there is the second poor port 5 below, cavity 1 front has first, two groovings 6, 7, in cavity 1, there is printed board 8, the front circuit of printed board 8 has microstrip transmission line 9 and first terminal short circuit strip line 10 and four cable pinouts to connect and compose rectangle hybrid ring, first terminal short circuit strip line 10 is the top of rectangle hybrid ring, pin 11 on the upper cable of left end, under upper cable, pin 12 differs from port 2 by first above the left end of the first cable 13 and cavity 1 and is connected, pin 14 on the lower cable of left end, under lower cable, pin 15 is connected with port 3 by first below the left end of the second cable 16 and cavity 1, the back side circuit of printed board 8 has large area floor file 17, the second terminal short circuit strip line 18 and the 3rd, four cables 19, 20, pin 21 on cable on left end, on left end, under cable, pin 22 is connected with port 4 by second above the right-hand member of the 3rd cable 19 and cavity 1, pin 23 on cable under left end, under left end, under cable, pin 24 differs from port 5 by second below the right-hand member of the 4th cable 20 and cavity 1 and is connected.
Printed board 8 is fixed on the interior rear welded cover plate 25 above of cavity 1, between cover plate 25 and printed board 8, there is cavity 26, in the cavity 26 of the first terminal short circuit strip line 10 of front circuit between printed board 8 and cover plate 25, the second terminal short circuit strip line 14 of back side circuit is between printed board 8 and the first grooving 6, the 3rd, four cables 19, 20 are positioned at the second grooving 7, in printed board back side circuit welding the 3rd, four cables 19, 20, and first, second, the 3rd, the 4th cable is isometric, the first poor port 2, first and port 3, second and port 4, the second poor port 5 is radio frequency bead 27, sintering is on cavity 1, cover plate adopts the mode of Laser seal welding to be combined with cavity.
First terminal short circuit strip line 10, the second terminal short circuit strip lines 14 are general strip line.
Claims (4)
1.L wave band combiner, it is characterized in that above the left end of cavity (1), there is the first poor port (2), have first and port (3) below, above the right-hand member of cavity (1), have second and port (4), there is the second poor port (5) below, cavity (1) front has first, two groovings (6), (7), in cavity (1), there is printed board (8), the front circuit of printed board (8) has microstrip transmission line (9) and first terminal short circuit strip line (10) and four cable pinouts to connect and compose rectangle hybrid ring, first terminal short circuit strip line (10) is the top of rectangle hybrid ring, pin (11) on cable on left end, on left end, under cable, pin (12) differs from port (2) by first above the left end of the first cable (13) and cavity (1) and is connected, pin (14) on cable under left end, under left end, under cable, pin (15) is connected with port (3) by first below the left end of the second cable (16) and cavity (1), the back side circuit of printed board (8) has large area floor file (17), the second terminal short circuit strip line (18) and the 3rd, four cables (19), (20), pin (21) on cable on left end, on left end, under cable, pin (22) is connected with port (4) by second above the right-hand member of the 3rd cable (19) and cavity (1), pin (23) on cable under left end, under left end, under cable, pin (24) differs from port (5) by second below the right-hand member of the 4th cable (20) and cavity (1) and is connected.
2. L-band combiner according to claim 1, after it is characterized in that printed board (8) is fixed in cavity (1), welded cover plate above cavity (25), between cover plate (25) and printed board (8), there is cavity (26), the first terminal short circuit strip line (10) of front circuit is positioned at the cavity (26) between printed board (8) and cover plate (25), the second terminal short circuit strip line (14) of back side circuit is positioned between printed board (8) and the first grooving (6), the 3rd, four cables (19), (20) be positioned at the second grooving (7), in printed board back side circuit welding the 3rd, four cables (19), (20), first, second, the 3rd, the 4th cable is isometric, the first poor port (2), first and port (3), second and port (4), the second poor port (5) is radio frequency bead (27), sintering is on cavity (1), cover plate adopts the mode of Laser seal welding to be combined with cavity.
3. L-band combiner according to claim 1, is characterized in that first terminal short circuit strip line (10), and the second terminal short circuit strip line (18) is general strip line.
4. L-band combiner according to claim 1, it is characterized in that cavity (26) and first terminal short circuit strip line (10) between cover plate (25) and printed board (8) form the first air strip line, the first grooving (6) forms the second air strip line with the second terminal short circuit strip line (18), the degree of depth of cavity (26) and the first grooving (6) is respectively 3mm-5mm, 3-6mm, first terminal short circuit strip line (10), the identical line of symmetry of the second terminal short circuit strip line (18) shape, by two identical straight sections of width and a segmental arc, formed, segmental arc is positioned at middle part, its width is 3mm-4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310645242.1A CN103715488B (en) | 2013-12-05 | 2013-12-05 | L-band combiner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310645242.1A CN103715488B (en) | 2013-12-05 | 2013-12-05 | L-band combiner |
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| Publication Number | Publication Date |
|---|---|
| CN103715488A true CN103715488A (en) | 2014-04-09 |
| CN103715488B CN103715488B (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310645242.1A Active CN103715488B (en) | 2013-12-05 | 2013-12-05 | L-band combiner |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654493A (en) * | 2016-11-29 | 2017-05-10 | 北京无线电测量研究所 | Monopulse sum and difference network |
| CN107565227A (en) * | 2017-07-27 | 2018-01-09 | 中国船舶重工集团公司第七二四研究所 | A kind of low sidelobe antenna air strip line and poor power division network |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000075389A (en) * | 1999-05-19 | 2000-12-15 | 김덕용 | Apparatus for shifting phase of inputted signal and attenuating the signal |
| JP4677944B2 (en) * | 2006-04-20 | 2011-04-27 | 日本電気株式会社 | Microwave waveguide device |
| CN102150324A (en) * | 2008-09-25 | 2011-08-10 | 索尼公司 | In-millimeter-wave dielectric transmission device and method for manufacturing same, and wireless transmission device and wireless transmission method |
-
2013
- 2013-12-05 CN CN201310645242.1A patent/CN103715488B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000075389A (en) * | 1999-05-19 | 2000-12-15 | 김덕용 | Apparatus for shifting phase of inputted signal and attenuating the signal |
| JP4677944B2 (en) * | 2006-04-20 | 2011-04-27 | 日本電気株式会社 | Microwave waveguide device |
| CN102150324A (en) * | 2008-09-25 | 2011-08-10 | 索尼公司 | In-millimeter-wave dielectric transmission device and method for manufacturing same, and wireless transmission device and wireless transmission method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654493A (en) * | 2016-11-29 | 2017-05-10 | 北京无线电测量研究所 | Monopulse sum and difference network |
| CN106654493B (en) * | 2016-11-29 | 2019-10-08 | 北京无线电测量研究所 | A kind of pulse combiner |
| CN107565227A (en) * | 2017-07-27 | 2018-01-09 | 中国船舶重工集团公司第七二四研究所 | A kind of low sidelobe antenna air strip line and poor power division network |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103715488B (en) | 2016-05-11 |
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