CN202363570U - Air micro-strip high isolation radial power synthesis amplifier - Google Patents
Air micro-strip high isolation radial power synthesis amplifier Download PDFInfo
- Publication number
- CN202363570U CN202363570U CN201120423948XU CN201120423948U CN202363570U CN 202363570 U CN202363570 U CN 202363570U CN 201120423948X U CN201120423948X U CN 201120423948XU CN 201120423948 U CN201120423948 U CN 201120423948U CN 202363570 U CN202363570 U CN 202363570U
- Authority
- CN
- China
- Prior art keywords
- power
- air microstrip
- waveguide
- radial
- radially
- 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.)
- Withdrawn - After Issue
Links
Images
Abstract
The utility model provides an air micro-strip high isolation radial power synthesis amplifier, comprising two broadband air micro-strip high isolation radial power distribution/synthesizers and at least one power amplifier module. The broadband air micro-strip high isolation radial power distribution/synthesizers comprise input waveguides, coaxial transition structures between the input waveguides and radial waveguides, the radial waveguides, radial air micro-strip lines and at least one output waveguides. The radial waveguides are connected with the input waveguides at the central positions of the radial waveguides via coaxial probe transition structures, radially distributed air micro-strip lines are connected around the radial waveguides, film resistance sheets are pasted between the adjacent air micro-strip lines, and each air micro-strip line is connected with an output waveguide. By using the air micro-strip high isolation radial power synthesis amplifier of the utility model, the multiplex, single mode working, broadband and high efficiency power syntheses can be realized.
Description
Technical field
The utility model relates to the power synthetic technique that is used for microwave and millimeter wave frequency band, relates in particular to the radially power synthesis amplifier of the high-isolation (coupling coefficient between the port less than-can be described as below the 20dB high-isolation) of a kind of broadband air microstrip structure.
Background technology
High-end and the millimeter wave frequency band at microwave; Raising along with frequency; The semiconductor solid-state size of devices reduces, power capacity descends, the power output of individual devices is difficult to satisfy the communications electronics system requirements, and people have proposed the mode that the power of a plurality of solid state device is synthetic and realized the high power solid state power device.The character of power comprise network has directly determined the character of combining amplifier; Therefore the key of power synthetic technique is the character of power comprise network, and the center of gravity of research is to explore which kind of comprise network topological structure can realize that the power of the broadband big figure of maximal efficiency synthesizes.
In various power comprise network topological structures, radially power division/synthesizer is the people's attention focus always, and various radial structures are suggested and are applied in the power synthetic technique.Radially the origin of power division/synthesizer can be traced back to the N road power splitter that the sixties in last century Wilkinson proposes, and this power splitter is with its naming afterwards, and is widely used.Radially power division/synthesizer passes through circle balanced pair (like coaxial line) often at the center of disc structure feed-in input signal, around disc structure, draws a plurality of output ports then.The form of disc structure and output port has a variety of, and mode of resonance structure and anharmonic vibration shape structure are generally arranged, and the former disc structure is a closed cavity, and the latter then is an Open architecture.
Radially the great advantage of power division/synthesizer be can disposable completion big figure power division/synthetic, insert the influence that loss does not receive synthetic way basically, so this structure is particularly suitable for the power synthesis amplifier of big figure.Simultaneously radially power division/synthesizer symmetry has structurally guaranteed power division consistent on amplitude and phase place.At millimeter wave band, radially Distributed Power Architecture need both guarantee very little insertion loss, can suppress higher modes again simultaneously.Certain methods has been mentioned in being implemented in of these performances in some patents, adopt the pure wave guide structure to guarantee little insertion loss like patent US4673899, and fluting realizes that higher modes suppress on the radial waveguide surface simultaneously; Patent US4926145 takes waveguiding structure, all slots at input coaxial line and radial waveguide surface, covers absorbing material at rooved face and realizes that higher modes suppress.
But, all do not realize to be applied to the output port coupling of millimeter wave band and the radially power division/synthesizer of isolating in the structure in the past.And the active device unit in the middle of the power division of port match and isolation/synthesizer is separate, can effectively avoid problems such as combining amplifier self-excitation.Simultaneously, the high distributor of isolating can make that also the failure properties of combining amplifier is good, and promptly when having active device cell damage, remaining element still can operate as normal, and power output only can drop in a predictable ratio.Therefore be necessary to study and a kind ofly can be applied to millimeter wave band, can realize multichannel, broadband, high efficiency output port coupling and the radially power synthesis amplifier of isolating.
The utility model content
The purpose of the utility model is to overcome shortcoming of the prior art with not enough; Provide a kind of broadband air microstrip high radially power synthesis amplifier of isolating, this structure realizes through one minute multichannel, single mode operation, broadband, low-loss, high radially power division/synthesizer of isolating.Utilize the high radially power division/synthesizer of isolating of this broadband air microstrip, and then realize multichannel, broadband, high efficiency power synthesis amplifier with microwave band in that millimeter wave is high-end.
In order to achieve the above object; The utility model is to be achieved through following technical proposals: a kind of air microstrip height is isolated radially power synthesis amplifier, it is characterized in that: be made up of with at least one power amplifier module two high radially power division/synthesizers of isolating of broadband air microstrip; Air microstrip high radially power division/synthesizer of isolating in said broadband comprises coaxial transition structure, radial waveguide, radial air microstrip line between input waveguide, input waveguide and the radial waveguide, and at least one output waveguide; Said radial waveguide heart position therein is connected with input waveguide through the coaxial probe transition structure; Be connected with radially-arranged air microstrip line around the said radial waveguide, post the film resistor sheet between the adjacent air microstrip line; Said every air microstrip line connects an output waveguide respectively;
The high radially power division/synthesizer of isolating of said two broadband air microstrip is connected with at least one power amplifier module as follows: the high radially power division/synthesizer of isolating of one of them broadband air microstrip is as power divider; The high radially power division/synthesizer of isolating of another broadband air microstrip is as power combiner; Said power combiner is consistent with power divider on version, and its application mode and power divider are opposite; Outside input connects the input waveguide of said power divider; Each output waveguide of said power divider connects the input port of a power amplifier module; The corresponding output waveguide that connects power combiner of the delivery outlet of this power amplifier module, the input waveguide of power combiner is isolated the radially delivery outlet of power synthesis amplifier as the air microstrip height.Because power combiner is opposite with the power divider application mode, each output waveguide of the power combiner in the such scheme is as the input of the high radially power combiner of isolating of broadband air microstrip.
Say that further the generation type of the conduction band of said radial air microstrip line is that the mode with fluting forms on smooth conductor; The conduction band of air microstrip line is radially enlarged shape.
Said film resistor sheet covers the bottom of said air microstrip line conduction band; Said film resistor sheet can effectively suppress higher modes, realizes the high isolation characteristic between output coupling and the output port; Said film resistor sheet is that the side at a dielectric substrate plates film resistor and forms; The resistance of said film resistor sheet is by formula Z=Z
0/ 2 confirm, wherein, and Z
0Impedance for each output waveguide.The resistance of said film resistor sheet confirms that according to the high isolation characteristic between output port coupling and the port impedance of supposing each output waveguide is Z by the odd even modulus method
0, then the initial value of the resistance Z of film resistor sheet can be confirmed Z=Z by following formula
0/ 2, because the discontinuity of field need be optimized the resistance of film resistor sheet.
Also comprise between said input waveguide and the radial waveguide and also comprise between the first matching transition structure, radial waveguide and the radial air microstrip line and also comprise the 3rd matching transition structure between the second matching transition structure, radial air microstrip line and the output waveguide; Said first, second, third matching transition structure is used to realize wideband impedance match; Be cavity body structure, said matching structure can be realized by one of following matching structure: single-unit 1/4th impedance transformers, more piece 1/4th impedance transformers, Chebyshev's impedance transformer and gradual change transmission line.
Air microstrip high radially power division/synthesizer of isolating in said broadband is the all-wave guide structure.
The input/output port of said power divider and power combiner is waveguide port.
The operation principle that broadband air microstrip height in the high radially power synthesis amplifier of isolating of broadband air microstrip that the utility model provides is isolated power division/synthesizer radially is following: after microwave signal gets into input waveguide, transfer signals in the coaxial line that field distribution is the circle symmetry through waveguide-coaxial transducer; Coaxial line is FD feed in the center of radial waveguide; Signal in radial waveguide along radial propagation; Be fed in the air microstrip line, be transferred to rectangular waveguide output at last.In order to realize the Broadband Matching characteristic, between input waveguide and the radial waveguide, radial waveguide and radially between the microstrip line has designed first, second, third matching transition structure respectively between radial air microstrip line and the output waveguide.Radial air microstrip line conduction band bottom is provided with film resistor, is used to realize coupling and the isolation characteristic between the port between the output port, sponges some higher modes simultaneously, and promptly the sense of current is horizontal pattern, effectively suppresses higher modes.
The high radially power synthesis amplifier of isolating of the broadband air microstrip of the utility model is to utilize the above-mentioned broadband air microstrip power synthesis amplifier that high radially power division of isolating/synthesizer constitutes.This power synthesis amplifier comprises a power divider, at least one power amplifier module, a power combiner.The version of said power divider and power combiner all is that broadband air microstrip height is isolated radially power divider, and power combiner is just used power divider conversely.This power combiner and power divider present mirror image symmetric form up and down.Power amplifier module is between power divider and power combiner, and the input port of power amplifier module connects the delivery outlet of power divider, and delivery outlet connects the input port of power combiner.The form of power amplifier module is unfixing, only need satisfy above-mentioned port requirement.Power amplifier module is a waveguide port, at this moment can combine all the other high performance power composite structures, for example can in power amplifier module, combine coupler structure or magic T structure etc.
Compared with prior art, the utlity model has following advantage:
1, the high radially power distributor/synthesizer of isolating of broadband air microstrip that comprises of the broadband power combining amplifier that provides of the utility model can be realized one fen multichannel, single mode operation, broadband, low-loss, high power division of isolating/synthetic.
2, the high radially power synthesis amplifier of isolating of broadband air microstrip that provides of the utility model; Its power division/synthesizer is through the design air microstrip line; And between adjacent air microstrip line, increase the film resistor sheet; Can effectively suppress higher modes, realize the high isolation characteristic between well output coupling and the output port.Through suppressing higher modes, this structure can realize any road power division/synthetic.
3, the high radially power synthesis amplifier of isolating of broadband air microstrip that provides of the utility model, its power division/synthesizer has been realized the characteristic of wideband operation through a plurality of impedance matching transition structures of design.
4, the high radially power synthesis amplifier of isolating of broadband air microstrip that provides of the utility model; Its power division/synthesizer is the all-wave guide structure; No dielectric loss; Have only very low conductor losses, the power synthesis amplifier that therefore is made up of this power division/synthesizer has the characteristics of high power combined coefficient.
5, the high radially power synthesis amplifier of isolating of broadband air microstrip that provides of the utility model; The input/output end port form of its power division/synthesizer is a waveguide port; This version is very easy to combine other high-performance power composite structures, like coupler structure, magic T structure etc.Power amplifier module can be made separately, is convenient to processing and debugging.
6, the broadband power combining amplifier that provides of the utility model comprises what two high radially power division/synthesizers of isolating of broadband air microstrip and at least one power amplifier module constituted.The high radially power synthesis amplifier of isolating of this broadband air microstrip can realize that one minute multichannel, single mode operation, broadband, high efficiency power synthesize.
Description of drawings
Fig. 1 is the structure chart that air microstrip high radially power of isolating in broadband divides an embodiment of synthetic amplifier in the utility model;
Fig. 2 is the isolating construction vertical view of power division/synthesizer among Fig. 1;
Fig. 3 is an A part partial view among Fig. 2;
Fig. 4 is a B part partial view among Fig. 2;
Fig. 5 is the schematic diagram of power division/synthesizer among Fig. 1;
Fig. 6 is a kind of structure chart of power amplifier module 6 among Fig. 1.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail.But the execution mode of the utility model is not limited thereto.
Embodiment
Isolating radially with one the 36 band air microstrip height of having a lot of social connections below, power synthesis amplifier is that example describes.
36 have a lot of social connections, and to isolate the overall structure figure of power synthesis amplifier radially as shown in Figure 1 for band air microstrip height, and this structure comprises a power divider 8,6, one power combiners 9 of a plurality of power amplifier modules.The structure of power combiner is the same with the version of power divider, and power combiner is just used power divider conversely.Power combiner becomes mirror image symmetry up and down with power divider.Power amplifier module 6 is between power divider 8 and power combiner 9, and its input port connects the delivery outlet 41 of power divider 8, and delivery outlet connects the input port 41 of power combiner 9.The input/output port form of power divider 8 and power combiner 9 is waveguide port.The form of power amplifier module 6 is unfixing, only need satisfy the requirement of above-mentioned waveguide port.
Shown in Figure 2 is that broadband air microstrip height is isolated the radially vertical view of power division/synthesizer isolating construction.This power division/synthesizer is made up of the two large divisions, i.e. top level structure 1 and fabric 2.Top level structure 1 is combined closely with fabric 2, forms coaxial transition structure 51, air microstrip line 31, output waveguide 41 and air microstrip line 31 and the cavity body structures such as transition structure 412 between the output waveguide 41 between input waveguide 11, radial waveguide 21, input waveguide 11 and the radial waveguide 21 jointly.
Said power divider is a waveguiding structure.This structure of design is not filled any medium like this, has only conductor losses, can obtain good low loss characteristic.On the surface of top level structure 1, cut out segment conductor and form input waveguide 11 cavitys.In the one side of top level structure 1 towards fabric 2, be a smooth conducting plane, a hole is arranged at the center, can insert coaxial probe.Centermost at fabric 2 has the coaxial transition structure 51 between input waveguide 11 and the radial waveguide 21.Around the coaxial transition structure 51 is a conducting plane, constitutes radial waveguide 21 jointly with the top layer plane.Wherein, the radius of radial waveguide 21 is unsuitable excessive, and the condition that size satisfies single mode operation gets final product.Connect air microstrip line 31 around the radial waveguide 21, the conduction band of air microstrip line is a structure 312.The generation type of the conduction band 312 of air microstrip line is that fluting forms on the smooth conductor on the fabric 2.The conduction band 312 of air microstrip line presents radially enlarged shape.In the bottom of groove 312, be coated with film resistor sheet 313.Air microstrip line 31 connects output waveguide 41 through the waveguide 412 that a bit of broadside enlarges, and the waveguide 412 that broadside enlarges realizes the effect of impedance matching.The main cavity of output waveguide 41 is in polycrystalline substance 2, to dig out cavity to form.
Fig. 3 is an A part partial view among Fig. 2, can find out the concrete structure of input waveguide 11 from figure.The input waveguide 111 of vertical transmission converts the waveguide 113 of horizontal transmission into through a corner cut structure 112.In waveguide 113, be transformed into radial waveguide 21 through coaxial probe structure 51.The cavity body structure of coaxial probe is realized through perforate 114.
Fig. 4 is a B part partial view among Fig. 2, can find out the concrete structure of coaxial probe transition structure 51 from figure.Coaxial probe transition structure 51 is connected and composed by the conductor column of three different radiis.Topmost be 511, this part will be passed hole 114 and will be deep in the horizontal waveguide 113.Be connected with conductor column 512 in 511 bottoms, connect a more conductor column 513 of long radius then than long radius.Can realize good impedance matching between input waveguide 11 and the radial waveguide 21 through these conductor columns.
Fig. 5 has further provided the circuit theory diagrams of this power division/synthesizer, can help to understand present embodiment.Air microstrip line 31 in the present embodiment also can change two-sided parallel strips into, on this top level structure 1 that need face at fabric 2 fluting places also fluting get final product, film resistor sheet 313 can cover the surface of two-layer fluting.
Fig. 6 has provided a kind of structure chart of power amplifier module 6 among Fig. 1, and what this figure showed is two probe spatial power composite structure forms.Power amplifier module 6 is divided into upper strata 61 and lower floor's 62 two parts.The groundwork process of amplification module is through waveguide 71 input signal powers, is coupled in little band through plane probe 72 then, connects amplifier 73 again, and the power by amplifier output is coupled in the output waveguide through little band probe at last.Little band probe 72 in the amplification module all is that bottom and top layer are simultaneous with amplifier unit 73, and this is actually a kind of two-way spatial power composite structure.All amplifier chips all are to be welded on bottom or the underlying metal cavity among Fig. 8, and this can realize good heat radiation.Top layer and bottom surface can be designed to the sheet radiator structure, and the processing of turning black further improves heat radiation, also can further use fan to carry out forced heat radiation.
The foregoing description is the utility model preferred implementation; But the execution mode of the utility model is not restricted to the described embodiments; Other any do not deviate from change, the modification done under spirit and the principle of the utility model, substitutes, combination, simplify; All should be the substitute mode of equivalence, be included within the protection range of the utility model.
Claims (7)
1. an air microstrip height is isolated radially power synthesis amplifier, it is characterized in that: be made up of with at least one power amplifier module two high radially power division/synthesizers of isolating of broadband air microstrip;
Air microstrip high radially power division/synthesizer of isolating in said broadband comprises coaxial transition structure, radial waveguide, radial air microstrip line between input waveguide, input waveguide and the radial waveguide, and at least one output waveguide; Said radial waveguide heart position therein is connected with input waveguide through the coaxial probe transition structure; Be connected with radially-arranged air microstrip line around the said radial waveguide, post the film resistor sheet between the adjacent air microstrip line; Said every air microstrip line connects an output waveguide respectively;
Air microstrip high radially power division/synthesizer of isolating in said broadband is connected with at least one power amplifier module as follows: the high radially power division/synthesizer of isolating of one of them broadband air microstrip is as power divider; The high radially power division/synthesizer of isolating of another broadband air microstrip is as power combiner; Said power combiner is consistent with power divider on version, and its application mode and power divider are opposite; Outside input connects the input waveguide of said power divider; Each output waveguide of said power divider connects the input port of a power amplifier module; The corresponding output waveguide that connects power combiner of the delivery outlet of this power amplifier module, the input waveguide of power combiner is as the delivery outlet of the high radially power synthesis amplifier of isolating of broadband air microstrip.
2. air microstrip height according to claim 1 is isolated radially power synthesis amplifier, it is characterized in that: the generation type of the conduction band of said radial air microstrip line is that the mode with fluting forms on smooth conductor; The conduction band of air microstrip line is radially enlarged shape.
3. air microstrip height according to claim 2 is isolated radially power synthesis amplifier, it is characterized in that: the film resistor sheet covers the bottom of said air microstrip line conduction band.
4. air microstrip height according to claim 3 is isolated radially power synthesis amplifier, it is characterized in that: said film resistor sheet is that the side at a dielectric substrate plates film resistor and forms, and the resistance of said film resistor sheet is by formula Z=Z
0/ 2 confirm, wherein, and Z
0Impedance for each output waveguide.
5. air microstrip height according to claim 1 is isolated radially power synthesis amplifier, it is characterized in that: also comprise between said input waveguide and the radial waveguide also comprising between the first matching transition structure, radial waveguide and the radial air microstrip line and also comprising the 3rd matching transition structure between the second matching transition structure, radial air microstrip line and the output waveguide; Said first, second is used to realize wideband impedance match with the 3rd matching transition structure, is cavity body structure; Said matching structure is realized with a joint above 1/4th impedance transformers or gradual change impedance matching box.
6. air microstrip height according to claim 1 is isolated radially power synthesis amplifier, it is characterized in that: air microstrip high radially power division/synthesizer of isolating in said broadband is the all-wave guide structure.
7. air microstrip height according to claim 1 is isolated radially power synthesis amplifier, it is characterized in that: the input/output end port of said power divider and power combiner is waveguide port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120423948XU CN202363570U (en) | 2011-10-31 | 2011-10-31 | Air micro-strip high isolation radial power synthesis amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120423948XU CN202363570U (en) | 2011-10-31 | 2011-10-31 | Air micro-strip high isolation radial power synthesis amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202363570U true CN202363570U (en) | 2012-08-01 |
Family
ID=46574731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120423948XU Withdrawn - After Issue CN202363570U (en) | 2011-10-31 | 2011-10-31 | Air micro-strip high isolation radial power synthesis amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202363570U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102509840A (en) * | 2011-10-31 | 2012-06-20 | 华南理工大学 | High-isolation radial power synthesis amplifier with broadband air micro-strips |
| CN103346376A (en) * | 2013-06-27 | 2013-10-09 | 中国电子科技集团公司第四十一研究所 | Gradual change fin line extension waveguide space power distribution synthesizer |
| CN103346375A (en) * | 2013-06-27 | 2013-10-09 | 中国电子科技集团公司第四十一研究所 | Single-face double-ridge spreading waveguide space power distribution synthesizer |
| CN103354301A (en) * | 2013-07-12 | 2013-10-16 | 中国电子科技集团公司第四十一研究所 | Expansion coaxial power distribution synthesizer, power distribution method, power synthesis method |
| CN103490133A (en) * | 2013-09-18 | 2014-01-01 | 中国电子科技集团公司第四十一研究所 | Micro-strip multi-directional power divider/combiner based on flexible connection |
| CN105449331A (en) * | 2015-12-29 | 2016-03-30 | 深圳市华讯方舟卫星通信有限公司 | Multi-channel high-isolation ultra-wideband waveguide radial synthesizer |
| CN110943275A (en) * | 2019-11-27 | 2020-03-31 | 中国船舶重工集团公司第七二四研究所 | Broadband high-power radial waveguide synthesizer and implementation method |
-
2011
- 2011-10-31 CN CN201120423948XU patent/CN202363570U/en not_active Withdrawn - After Issue
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102509840A (en) * | 2011-10-31 | 2012-06-20 | 华南理工大学 | High-isolation radial power synthesis amplifier with broadband air micro-strips |
| CN102509840B (en) * | 2011-10-31 | 2014-02-26 | 华南理工大学 | High-isolation radial power synthesis amplifier with broadband air micro-strips |
| CN103346376A (en) * | 2013-06-27 | 2013-10-09 | 中国电子科技集团公司第四十一研究所 | Gradual change fin line extension waveguide space power distribution synthesizer |
| CN103346375A (en) * | 2013-06-27 | 2013-10-09 | 中国电子科技集团公司第四十一研究所 | Single-face double-ridge spreading waveguide space power distribution synthesizer |
| CN103346375B (en) * | 2013-06-27 | 2016-03-16 | 中国电子科技集团公司第四十一研究所 | Expansion waveguide spatial power distributes synthesizer |
| CN103346376B (en) * | 2013-06-27 | 2016-03-16 | 中国电子科技集团公司第四十一研究所 | Gradual change fin line extension waveguide space power distribution synthesizer |
| CN103354301A (en) * | 2013-07-12 | 2013-10-16 | 中国电子科技集团公司第四十一研究所 | Expansion coaxial power distribution synthesizer, power distribution method, power synthesis method |
| CN103490133A (en) * | 2013-09-18 | 2014-01-01 | 中国电子科技集团公司第四十一研究所 | Micro-strip multi-directional power divider/combiner based on flexible connection |
| CN105449331A (en) * | 2015-12-29 | 2016-03-30 | 深圳市华讯方舟卫星通信有限公司 | Multi-channel high-isolation ultra-wideband waveguide radial synthesizer |
| CN110943275A (en) * | 2019-11-27 | 2020-03-31 | 中国船舶重工集团公司第七二四研究所 | Broadband high-power radial waveguide synthesizer and implementation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102509840B (en) | High-isolation radial power synthesis amplifier with broadband air micro-strips | |
| CN202363570U (en) | Air micro-strip high isolation radial power synthesis amplifier | |
| CN104393384B (en) | A kind of miniaturization radial direction power divider/synthesizer of high isolation | |
| CN204375898U (en) | A kind of radial power divider/synthesizer of miniaturization of high isolation | |
| CN204885382U (en) | Novel integrated waveguide filter of 18 mould substrates of multilayer | |
| WO2016065859A1 (en) | Intelligent antenna device | |
| CN208173791U (en) | Millimeter wave Massive MIMO antenna unit and array antenna | |
| CN108598690A (en) | Millimeter wave Massive mimo antennas unit and array antenna | |
| CN204809372U (en) | Ware / combiner is divided to trisection gysel type merit | |
| CN104091992B (en) | Compact type double-frequency stub coupler based on substrate integrated coaxial line technology | |
| CN113517527B (en) | Single-sided double-ridge double-probe waveguide power divider, power combiner and synthesis method | |
| CN206250390U (en) | A kind of suspended stripline fed planar array antenna | |
| CN107230817A (en) | The wide wall micropore couplers of the dB of half module substrate integrated wave guide 3 | |
| CN108039591A (en) | Dual-linear polarization RECTIFYING ANTENNA with harmonic inhibition capability | |
| CN102509836B (en) | Resistor diaphragm waveguide traveling wave power synthesis amplifier | |
| CN109524754B (en) | Waveguide power synthesis network and method for high-integration type short transmission path | |
| CN101699652A (en) | Symmetrical coupling wave-guided wave power synthesis amplifier | |
| CN104134842A (en) | Millimeter-wave multi-channel space waveguide power distribution synthesizer and method | |
| US11133599B2 (en) | Phased array antenna | |
| CN108123196A (en) | Wideband filtered based on vertical two-sided parallel strips integrates three-dimensional balun | |
| CN205211911U (en) | Gloomy power distribution unit of miniaturized not partition weir gold | |
| CN109326862A (en) | A kind of combined type millimeter wave narrow side power splitter and power combining methods | |
| CN102122747A (en) | Microwave power distributor | |
| CN202259646U (en) | Waveguide traveling wave power synthesis amplifier | |
| CN108011168A (en) | A kind of new Wilkinson power dividers for terminating complex impedance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120801 Effective date of abandoning: 20140226 |
|
| RGAV | Abandon patent right to avoid regrant |