CN107171046A - A kind of novel combination type waveguide power synthesizer - Google Patents
A kind of novel combination type waveguide power synthesizer Download PDFInfo
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- CN107171046A CN107171046A CN201710388077.4A CN201710388077A CN107171046A CN 107171046 A CN107171046 A CN 107171046A CN 201710388077 A CN201710388077 A CN 201710388077A CN 107171046 A CN107171046 A CN 107171046A
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- power synthesizer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/12—Coupling devices having more than two ports
- H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
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Abstract
The present invention provides a kind of novel combination type waveguide power synthesizer, including several prime power synthesizer units and several two-in-one components realize 2NThe knockdown power combing in road, wherein N >=2；Prime power synthesizer unit is made up of four activated amplifier components and two four-in-one components.Using such scheme, it can be achieved to widen the working band of power combiner, improve combined coefficient, simplify process and assemble, improve radiating efficiency, combine flexible and changeable, solve the technical barriers such as traditional scheme combined coefficient is low, associativity is poor, radiating difficulty.
Description
Technical field
Closed the present invention relates to waveguide power synthesizer technical field, more particularly to a kind of novel combination type waveguide power
Grow up to be a useful person.
Background technology
The need for meeting the systems such as high-power communication, test, power combing is carried out using multichannel power amplification again
Method.Conventional major power synthetic technology has planar power synthetic technology and space power synthesis technology.Planar power is closed
Micro-band technique is generally referred into technology；Space power synthesis technology can be divided into two kinds of rectangular waveguide transmission and coaxial transmission again.
Planar microstrip power synthetic technique can realize broad frequency band power combing, but insertion loss is very big, and combined coefficient is low, Er Qiehe
Into way is few, low space utilization, it is difficult to meet the demand of efficient high power；Using the power synthetic technique energy of coaxial waveguide
Less insertion loss and wider working band are enough realized, but path loss is larger, and shape is most based on circle, processing
Required precision is high, and assembly and disassembly difficulty is big, and low space utilization, ventilation effect is poor, face it is high-power under the conditions of high density dissipate
The problem of heat.The power synthetic technique transmitted using rectangular waveguide not only has the advantages that insertion loss is small, combined coefficient is high, more
The application request of wide working band and smaller physical size can be met, process and assemble is simple, amplifier module distribution is neat,
The radiating efficiency of synthesizer can be effectively improved.Microwave and millimeter wave solid-state power amplifier as microwave and millimeter wave radar, guidance and
One important component of the systems such as communication, test, has become the important directions of microwave and millimeter wave area research.With right
The continuous improvement of amplifier output power requirement, the power output of single amplification chip has been no longer able to meet real system work
The need for, therefore, it is necessary to be amplified using multichannel, the technology of power combing effectively improves the power output of whole amplifying circuit.
Planar power distribution/synthetic technology based on micro-strip has working band wide, the advantages of process and assemble is simple, but because
Dielectric loss is big, and combined coefficient is low, the shortcomings of low space utilization, it is difficult to meet the requirement of high-efficiency high-power amplifier.
Space power synthesis technology based on waveguide can effectively prevent radiation loss, with path loss it is low, radiating
The advantages of efficiency high, amplitude-phase consistency height and big power capacity, but the high processing costs of waveguiding structure, and be concentrated mainly on higher
Millimeter wave frequency band application, in the microwave frequency band of lower frequency, waveguide power distribution/composite structure is due to oversized, it is difficult to
It is applied in Practical Project.
Ultra wide band power distribution/synthetic technology based on planar microstrip circuit is conventional ultra-wideband high-power amplifier skill
Art, its structure through impedance step by step as shown in figure 1, convert, signal one-to-two, two point four.With the raising of power output index, need
The power amplifier chip of more ways is wanted to be synthesized, the size of this planar microstrip circuit constantly increases, dielectric loss becomes
Greatly, so as to cause combined coefficient low, it is difficult to meet the requirement of large power high efficiency synthesis output.
Therefore, the prior art is defective, it is necessary to improve.
The content of the invention
The technical problems to be solved by the invention are that there is provided a kind of novel combination type wave guide power in view of the shortcomings of the prior art
Rate synthesizer.
Technical scheme is as follows：
A kind of novel combination type waveguide power synthesizer, wherein, including several prime power synthesizer units and some
Individual two-in-one component realizes 2NThe knockdown power combing in road, wherein N >=2.
Described novel combination type waveguide power synthesizer, wherein, the prime power synthesizer unit is active by four
Amplifier block and two four-in-one component compositions.
Described novel combination type waveguide power synthesizer, wherein, the four-in-one component is by three two-in-one components
Integration is processed, including an output port, four input ports, three load matched cylinders and three load matched windows
Mouthful.
Described prime power synthesizer unit, wherein, two four-in-one groups in the prime power synthesizer unit
The structure of part is identical, and one is used for one point four of power distribution, and another is used for the power combing of four-in-one；When with
The former input port of one of four-in-one component is used as output port when power distribution, and former output port is used as input
Mouthful.
Described prime power synthesizer unit, wherein, described activated amplifier component includes input rectangular waveguide end
Mouthful and output rectangular waveguide port, the input and output of two coaxial coupling probes, and a micro-strip amplifying circuit, input rectangle
Connected between waveguide port and the input of micro-strip amplifying circuit by a coaxial coupling probe, output rectangular waveguide port with
Connected between the output end of micro-strip amplifying circuit by another coaxial coupling probe.
Described prime power synthesizer unit, wherein, four outputs of four-in-one component when for power distribution
Input port of the port respectively with four activated amplifier components is docked, the output ports of four activated amplifier components respectively with
Play four input ports docking of the four-in-one component of power combing effect.
Described novel combination type waveguide power synthesizer, wherein, the coupling probe is using including but not limited to step
Conversion or curve mapped structure；The compensating for coupling post is cylinder, square column or rectangle post.
Described novel combination type waveguide power synthesizer, wherein, the two-in-one component includes output port, two
Individual input port, a load matched cylinder and a load matched window；Described two-in-one component, for power distribution or
Power combing；It is used as input port as one output port of original of former power combing when for power distribution, former two defeated
Inbound port is used as output port.
Described novel combination type waveguide power synthesizer, wherein, the terminal of the load matched window is absorption interface,
Absorption interface is used to optimize signal isolation parameter.
Using such scheme, it can be achieved to widen the working band of power combiner, improve combined coefficient, simplify processing dress
Match somebody with somebody, improve radiating efficiency, combine flexible and changeable, solve the technologies such as traditional scheme combined coefficient is low, associativity is poor, radiating difficulty difficult
Topic.
Brief description of the drawings
Fig. 1 is planar power distribution/composite structure schematic diagram of microstrip circuit in the prior art.
Fig. 2 is a kind of structural representation of embodiment of novel combination type waveguide power synthesizer of the present invention.
The 16 road power combing part-structure schematic diagrams that Fig. 3 decomposes for the present invention.
Fig. 4 is four-in-one component diagram of the present invention.
Fig. 5 is activated amplifier component diagram in the present invention.
Fig. 6 is one of prime power synthesizer cell schematics in the present invention.
Fig. 7 is two of prime power synthesizer cell schematics in the present invention.
Embodiment
For the ease of understanding the present invention, below in conjunction with the accompanying drawings and specific embodiment, the present invention will be described in more detail.
But, the present invention can be realized using many different forms, however it is not limited to the embodiment described by this specification.Need
Bright, when element is referred to as " being fixed on " another element, it directly on another element or be able to can also be present
Element placed in the middle.When an element is considered as " connection " another element, it can be directly to another element or
Person may be simultaneously present centering elements.
Unless otherwise defined, technology all used in this specification and scientific terminology are led with belonging to the technology of the present invention
The implication that the technical staff in domain is generally understood that is identical.Used term is to be in the description of the invention in this specification
The purpose of description specific embodiment, is not intended to the limitation present invention.Term used in this specification " and/or " include one
The arbitrary and all combination of individual or multiple related Listed Items.
Embodiment 1
This patent proposes a kind of novel combination type waveguide power synthesizer, and the synthesizer is closed using several prime poweies
Generator unit and several two-in-one components realize 2NThe knockdown power combing in (N >=2) road, wherein, prime power synthesizer
Unit is made up of four activated amplifier components and two four-in-one components.As shown in fig. 6, " prime power synthesizer unit " is inner
Face C is input port, after signal input, is divided into four tunnels by one " four-in-one component ", has respectively entered four " active amplifications
Signal amplification is carried out in device assembly ", the signal uplink after amplification is synthesized by " the four-in-one component " of top again, finally defeated from D
Go out, in this process, two ' four-in-one component ' structures are identical, but have played different effects, C-terminal mouthful institute
Component plays is one point four of power distribution effect, the power combing for the thing four-in-one that component where D ports is played
Effect ".In Fig. 7, amplifier block waveguide mouthful is exactly E ports, and waveguide signal and micro-strip signal are exactly to pass through coaxial coupling probe 5
Carry out transition, coaxial coupling probe 5 above has a duckpin, form compensation rod structure.Each rectangular waveguide in the combiner
Port connect an active power amplifier block, between rectangular waveguide port and amplifier block use coaxial coupling probe
Structure carries out signal conversion transmission, and each probe front sets a compensating for coupling post.
The power combiner configurations have high combined coefficient, assembling easy to process, can the crowd such as flexible combination, radiating efficiency height
Many advantages, solve the problem of wide band multichannel power combing, also provide effective research and design for waveguide power synthesis
Thinking.Combined type waveguide power synthesizer overall structure citing proposed by the present invention is as shown in Fig. 2 the 16 road power combings decomposed
Part-structure is as shown in Figure 3.In the structure shown here, 16 road power combings are realized by four-in-one component 1, the cascade of two-in-one component 2
Structure；Synthesis per two paths of signals is required for by a load matched window 3 and a load matched cylinder 4, for reducing
Reflection loss and path loss, and provide protection in mismatch；In synthesizer each waveguide arm by coaxial coupling probe with
The planar microstrip circuit connection of power amplifier component, to improve insertion loss and standing wave index, there is provided compensation rod structure.Figure
2nd, No. 16 power combiners shown in Fig. 3 are a kind of citing of the present invention, and the present invention can be achieved 2N(N >=2) road electromagnetic signal
Power combing, flexibly can carry out collocation cascade from four-in-one component and two-in-one component according to actual needs.16 described in Fig. 2
The synthesizer on road is the citing of the present invention, and synthesizer of the present invention can be 4 tunnels, 8 tunnels, 16 tunnels, 32 tunnels, 64
Road ... etc., as shown in the table, for example, the synthesizer on 16 tunnels is to add two by the synthesizer on two 8 tunnels in fact
Individual " two-in-one component " is spliced；And the synthesizer on each 8 tunnel is exactly to add two " two by the synthesizer on two 4 tunnels
What unification component " was spliced, by that analogy, it is possible to achieve the splicing of more stages.
As shown in figure 3, two components being connected with two-in-one component 2 are also all left side G and H in " two-in-one component ", figure
It is exactly the input port of two-in-one component 2, J is exactly the output port of two components, relative with output port J connect is exactly two
Unify the input port of component 2, symmetrically, the component on right side is also such.It is by two from the output port J signals come out
(each " unit " is four road activated amplifier signals to signal after " prime power synthesizer unit " synthesis, and therefore, this is also
Signal after eight road activated amplifiers synthesis), therefore, from the output port I of two-in-one component 2 come out be exactly 4 " substantially
Signal (being the signal of 16 tunnels " activated amplifier component " synthesis altogether) after Power Combiner Unit " synthesis.Such as Fig. 2 institutes
Show, the synthesizer in Fig. 2 includes 16 " activated amplifier components " altogether, and 8 " four-in-one components " (wherein, use work done for four
Rate is distributed, and four are used as power combing), (wherein, two are used as power distribution to 4 one-levels " two-in-one component ", and two are used work done
Rate is synthesized), and 2 two grades " two-in-one component " (wherein, one is used as power distribution, and one is used as power combing).
As shown in figure 4, being " four-in-one component " schematic diagram, the component of this four-in-one is passive, each four-in-one group
There are 4 input terminal A in part, also comprising a synthesis output port B.Each input terminal will be with " an activated amplifier
The waveguide port docking of component ", as shown in figure 5, Fig. 5 is activated amplifier component diagram.
As shown in figure 3, each two-in-one component includes two input ports and an output port (synthesizing port),
Including a load matched window and a load matched cylinder, the terminal of load matched window is absorption in absorption interface 3, figure
Interface 3 is to omit small lid, when normal assembling above have in a small lid, small lid and have absorber, absorption interface
Effect be for parameters such as the signal isolations of optimum synthesis device；Each four-in-one component is by three two-in-one component structural levels
Connection integration is processed, therefore, and each four-in-one component includes four input ports and an output port (synthesizes end
Mouthful), including three load matched windows and three load matched cylinders, including three absorption interfaces.
Each input port in activated amplifier component includes a coaxial coupling probe structure, realizes planar microstrip
Circuit converts transmission to the signal mode of waveguide port, to optimize insertion loss and standing wave index, there is provided a compensating for coupling
Post.The structures such as the coupling probe structure can use but be not limited to step conversion, curve conversion；The compensating for coupling post can be but not
It is limited to cylinder, square column or rectangle post, can uses but be not limited to the structures such as step is converted, curve is converted.
Each input waveguide port in four-in-one component connects an active power amplifier, can individually be filled
With with test, assembly and disassembly is simple, convenient debugging and repairs.The arrangement of active power amplifier block is neat, and air channel is unobstructed, carries
High radiating efficiency.
Four-in-one component, two-in-one component described in this patent can be used as power combing component, be also used as work(
Rate allocation component, above-mentioned input can also be as output end (power distribution end), and output end (power combing end) also can conduct
Power distribution part is identical with power combing part-structure in input, whole power combing module and is symmetrically installed.This
The key point of invention has following several：
(1) combined type cascade structure：It is flexible and changeable by four-in-one component, the achievable synthesis way of two-in-one component cascade
Power combiner configurations.
(2) novel load mating structure：Realized by a load matched cylinder and a load matched window structure etc.
Power combing and distribution of the width with phase, loss are inefficient high.
(3) coaxial probe coupling and compensating for coupling rod structure：Passive work(point composite structure is realized with active power to amplify
Waveguide connection between device assembly, realizes electromagnetic signal efficient low-loss transmission between coaxial waveguide and planar microstrip, plus
Frock is with simple, reliability height.
(4) high modularization is designed：Active power amplifier module and passive work(point synthesis module can be tested individually
With maintenance, identical work(point make it that whole power combiner configurations are regular, it is neat to arrange with composite structure.
The protection point of the present invention has following several：
Combine cascade structure：2 are can be achieved by the combination cascade of multiple four-in-one components, two-in-one componentN(N >=2) road
Power combing.
Two-in-one component is constituted：Each two-in-one component be by two input ports, output port (synthesizing port),
One load matched cylinder, load matched window, an absorption interface composition；Load matched cylinder and load matched window
The indexs such as insertion loss, the standing wave parameter of two-in-one component structure can be effectively improved.
Four-in-one component is constituted：Each four-in-one component is by three two-in-one component structures cascade integration processing
Into each four-in-one component includes four input ports and an output port (synthesizing port), including three load matcheds
Window, three load matched cylinders, three absorption interfaces.
Load matched cylindrical structure：It can use but be not limited to the structures such as step is converted, curve is converted.
Load matched window structure：It can use but be not limited to the structures such as step is converted, curve is converted.
Coaxial coupling probe structure：It can use but be not limited to the structures such as step is converted, curve is converted.
Compensating for coupling rod structure：Cylinder, square column or rectangle post can be but not limited to；It can use but be not limited to step
The structures such as conversion, curve conversion；Compensating for coupling rod structure can be effectively improved the indexs such as insertion loss, standing wave parameter.
Power distribution is identical with power combining structures：Two-in-one component, four-in-one component, by two-in-one component and four-in-one
The power combining structures of component combination cascade can act as the effect of corresponding power distribution.
The present invention solves emphatically the problem that cascade can be combined in power combiner, using four-in-one component, two-in-one component
As elementary cell, the multiple combinations formula power combiner configurations of different ways can be achieved, using load matched cylinder, load
Realize that low-loss high efficiency, process and assemble are simple, reliability is high with structures such as window, coaxial coupling probe, compensating for coupling posts,
Can many merits such as module testing, radiating efficiency height one by one.It can be achieved to widen the working band of power combiner, improve synthesis effect
Rate, the process and assemble that simplifies, raising radiating efficiency, combination are flexible and changeable, and solution traditional scheme combined coefficient is low, associativity is poor, scattered
The technical barriers such as hot difficulty.Present invention employs knockdown structure design, the difficulty of process and assemble is reduced, radiating is improved
Efficiency, can carry out flexible combination, and combined coefficient is high.
It should be noted that above-mentioned each technical characteristic continues to be mutually combined, the various embodiments not being enumerated above are formed,
It is accordingly to be regarded as the scope of description of the invention record；Also, for those of ordinary skills, it can add according to the above description
To improve or convert, and all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (9)
1. a kind of novel combination type waveguide power synthesizer, it is characterised in that including several prime power synthesizer units and
Several two-in-one components realize 2NThe knockdown power combing in road, wherein N >=2.
2. novel combination type waveguide power synthesizer as claimed in claim 1, it is characterised in that the prime power synthesizer
Unit is made up of four activated amplifier components and two four-in-one components.
3. novel combination type waveguide power synthesizer as claimed in claim 1, it is characterised in that the four-in-one component be by
Three two-in-one component integrations are processed, including an output port, four input ports, three load matched cylinders and
Three load matched windows.
4. prime power synthesizer unit as claimed in claim 3, it is characterised in that in the prime power synthesizer unit
The structures of two four-in-one components be identical, one is used for one point four of power distribution, and another is used for four-in-one
Power combing；The former input port of one of four-in-one component is used as output port, original output when for power distribution
Port is used as input port.
5. prime power synthesizer unit as claimed in claim 3, it is characterised in that described activated amplifier component includes
Rectangular waveguide port and output rectangular waveguide port, the input and output of two coaxial coupling probes, and a micro-strip is inputted to put
Big circuit, is connected between input rectangular waveguide port and the input of micro-strip amplifying circuit by a coaxial coupling probe, defeated
Go out between rectangular waveguide port and the output end of micro-strip amplifying circuit by another coaxial coupling probe connection.
6. prime power synthesizer unit as claimed in claim 5, it is characterised in that four-in-one when for power distribution
Input port of four output ports of component respectively with four activated amplifier components is docked, four activated amplifier components
Four input ports of the four-in-one component of output port respectively with playing power combing effect are docked.
7. novel combination type waveguide power synthesizer as claimed in claim 5, it is characterised in that the coupling probe is using bag
Include but be not limited to step conversion or curve mapped structure；The compensating for coupling post is cylinder, square column or rectangle post.
8. novel combination type waveguide power synthesizer as claimed in claim 1, it is characterised in that the two-in-one component includes
One output port, two input ports, a load matched cylinder and a load matched window；Described two-in-one group
Part, for power distribution or power combing；It is used as when for power distribution as one output port of original of former power combing
Input port, former two input ports are used as output port.
9. novel combination type waveguide power synthesizer as claimed in claim 7, it is characterised in that the load matched window
Terminal is absorption interface, and absorption interface is used to optimize signal isolation parameter.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109149045A (en) * | 2018-10-15 | 2019-01-04 | 中国电子科技集团公司第五十四研究所 | A kind of waveguide H-T knot and millimeter waveguide planar power distribution synthesis network |
| CN109494439A (en) * | 2018-10-26 | 2019-03-19 | 中电科仪器仪表有限公司 | The expansible power combining methods of intermediate extraction and system |
| CN109768362A (en) * | 2018-12-27 | 2019-05-17 | 西北核技术研究所 | A kind of eight tunnel micro-strips-rectangular waveguide power combiner |
| EP4318795A1 (en) * | 2022-08-02 | 2024-02-07 | Korea Institute of Fusion Energy | Radio frequency power amplifier module |
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| CN109494439A (en) * | 2018-10-26 | 2019-03-19 | 中电科仪器仪表有限公司 | The expansible power combining methods of intermediate extraction and system |
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| CN109768362B (en) * | 2018-12-27 | 2021-04-02 | 西北核技术研究所 | Eight-path microstrip-rectangular waveguide power combiner |
| EP4318795A1 (en) * | 2022-08-02 | 2024-02-07 | Korea Institute of Fusion Energy | Radio frequency power amplifier module |
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Application publication date: 20170915 |