CN1380718A - High-power multi-path synthesis/distributor - Google Patents
High-power multi-path synthesis/distributor Download PDFInfo
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- CN1380718A CN1380718A CN 02121028 CN02121028A CN1380718A CN 1380718 A CN1380718 A CN 1380718A CN 02121028 CN02121028 CN 02121028 CN 02121028 A CN02121028 A CN 02121028A CN 1380718 A CN1380718 A CN 1380718A
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Abstract
The invention belongs to the technical area of radio communication set, particularly related to the large power multiple synthesizer/distributor. Its structure and characters are as follows. The assembly containing power input/output ports for N route branches is fixed on the end plate of the body case. The junction station is positioned in the body case, and the network assembly for impedance matching is fixed on the case. N load cascades are distributed on the two sides of the network assembly for impedance matching. N transmission lines of the first group are connected to the place between N loads and the junction station. N transmission lines of the second group are connected to the place between the power input/output ports for N route branches and N loads.
Description
Technical field
The invention belongs to the radio communication equipment technical field, particularly multichannel power synthetic/structural design of distributor.
Background technology
Along with the development of radio communication technology, the fan-out capability of power amplifier requires constantly to increase, and power synthetic technique is widely used.The power output maximum of present commercially available high-frequency power transistor is in a few hectowatt magnitudes.Utilize such transistor to make power amplifier unit, with some power amplifier units by multichannel synthetic/that distributor carries out power is synthetic, to obtain tens of kilowatts so that bigger power output.
Power is synthetic/and distributor is according to the difference of synthetic/method of salary distribution, and it is once synthetic and the multichannel classification is synthetic mainly to be divided into multichannel.
A kind of traditional power is synthetic/the distributor principle as shown in Figure 1, adopts multistage synthetic/method of salary distribution, i.e. synthetic in twos earlier/distribution (p1 and p2, p3 and p4), again by a two-way synthetic/distributor synthesizes/distributes, by that analogy, form multichannel power and synthesize/distributor.The advantage of this scheme is: when synthetic/distribute way after a little while, relatively simple for structure, compact.Its shortcoming is: 1. work as synthetic/distribution way for a long time, progression increases, and loss is become greatly.2. synthetic way must be 2 integral multiple, can not be any.
Another kind of power is synthetic/and the distributor principle is as shown in Figure 2.It is that multichannel is once synthetic.Power combiner input/distributor the output of n road (P1 ... Pn) through n root quarter-wave transmission line (L1 ... Ln) link to each other with impedance matching network, the other end of impedance matching network is synthesizer power delivery outlet/distributor power input port.This n road power I/O (P1 ... Pn) also through n root quarter-wave transmission line (M1 ... Mn) with n load (R1 ... Rn) connect.N load (R1 ... Rn) through other n root quarter-wave transmission line (K1 ... Kn) connect together.The advantage of this scheme is: multichannel is once synthetic/distribute, and loss is little, can realize that the power of any way is synthetic/distribute.Its shortcoming is: 1. structure more complicated.2. three groups of quarter-wave transmission lines connect successively, and dimension is long.3. many transmission line tandem difficulties.4. impedance matching network is difficult realizes that way is many more difficult more.
Summary of the invention
The objective of the invention is to propose a kind of high-power multi-path synthesizes/distributor, utilize the once synthetic principle of above-mentioned multichannel, overcome its shortcoming, keep the little and road advantage of synthesizing arbitrarily of its loss, and make it have compact conformation, advantages such as dimension is little, and the transmission line tandem is reliable, and the impedance matching network debugging is convenient.
A kind of high-power multi-path that the present invention proposes synthesizes/distributor, comprise and contain the parts that the power input/output end port is divided on the N road, the parts that contain N load, contain the impedance matching network assembly of one tunnel gross power output/input port and three groups of transmission lines that link to each other with each parts, every group of transmission line comprises that the length that the n root has an identical characteristics impedance is the transmission line of quarter-wave odd-multiple; And the housing of ccontaining, fixing said each parts; It is characterized in that, also comprise the tandem head of realizing the tandem of n root transmission line, the said N of containing divides on the road on the end plate that the parts of power input/output end port are fixed on housing, this tandem head places in the housing, said impedance matching network assembly is fixed in the housing, and said N load ladder is distributed in the both sides of this impedance matching network assembly; Said first group of n root transmission line is connected between N load and the tandem head, said second group of n root transmission line is connected said N road and divides between power input/output end port and N the load, the 3rd group of n root transmission line is connected said N road and divides between power input/output end port and the impedance matching network assembly, and these three groups of transmission lines are rugosity and arrange.
Said structure of the present invention can according to reality require to constitute the power of any way in 2 to tens tunnel synthetic/distributor, and applicable to the service band of metric wave or decimeter wave.
Transmission line of the present invention can adopt coaxial cable also can adopt microstrip line or strip line, and it is the transmission line of quarter-wave odd-multiple that its length can be selected length for use according to service band, for example 1/4th, 3/4ths or 5/4ths wavelength etc.
Of the present invention synthesizing/distributor mainly contains following advantage:
1, three groups of folding installations of quarter-wave transmission line are saved the space to greatest extent
2, adopt multilayer printed board, solve connecing altogether of two groups of transmission lines, realization n road power I/O (P1 ... Pn) Tou the problem of drawing;
3, load component can adopt n load ladder to be distributed in the two sides of radiator, both effectively heat radiations, and as the connection of transmission line, structure is very compact again;
4, can utilize the strip line of distributed constant to realize impedance matching network, handling ease, debugging is convenient.
5, the tandem head can adopt the semicircular ring structure, realizes the tandem of n root transmission line.
Description of drawings
Fig. 1 is the synthetic synthetic/distributor electrical schematic diagram of multichannel classification that tradition adopts;
Fig. 2 be the once synthetic power of existing a kind of multichannel synthetic/the operation principle schematic diagram of distributor;
Fig. 3 is the general structure schematic diagram of present embodiment eight tunnel high-power synthesizing/distributors;
Fig. 4 is the branch power input/output end port modular construction schematic diagram of present embodiment;
Fig. 5 is the load component structural representation of present embodiment;
Fig. 6 is the impedance matching network modular construction schematic diagram of present embodiment;
Fig. 7 is the tandem header structure schematic diagram of many transmission lines of present embodiment.
Embodiment
Structure of the present invention and operation principle are described in detail as follows in conjunction with each drawings and Examples:
A kind of eight road metric wave power of present embodiment design are synthetic/and the distributor general structure is as shown in Figure 3, mainly comprise branch power input/output end port parts 1, load component 2, impedance matching network assembly 3 and tandem 4 and three groups of each 8 quarter-wave transmission lines 601,602,603 (in every group only is shown among the figure) that link to each other with each several part, these three groups of transmission lines all adopt coaxial cable (first group is that 50 Ω coaxial cables 601, second group are that 50 Ω coaxial cables 602, the 3rd group are 75 Ω coaxial cables 603).Each part mentioned above is installed in the flattened rectangular housing.This housing is made of mutual affixed upper cover plate (not shown), lower shoe 500, end plate 501, front end-plate 502, left and right sides end plate 503,504 and intermediate support plate 505.Wherein, divide power input/output end port parts 1 and tandem 4 to be installed on the end plate 501, load component 2 and impedance matching network assembly 3 are installed between front end-plate 502 and the intermediate support plate 505, and three groups of coaxial cables 601,602,603 are connected with each parts and are the rugosity arrangement.Each parts detailed structure is respectively described below:
Eight tunnel of present embodiment divides power input/output end port modular construction as shown in Figure 4.It comprises on eight port base plates 42 evenly being installed in end plate 41 inner faces, every base plate 42 and is pasted with multilayered printed version 43, and eight radio-frequency masers 44 that are installed in end plate 41 outsides and each port base plate 42 corresponding position.Every road divides the power I/O corresponding radio-frequency maser 44.In order to effectively utilize the space, each port base plate about in the of 42 arrangement straggly stepped.Each radio-frequency maser is connected to the impedance matching network assembly by port printed board 43 and the 3rd group of each root 75 Ω coaxial cable 603, and being connected to each load of load component 2 by port printed board 43 and second group of each root 50 Ω coaxial cable 602, the 3rd group of 75 Ω coaxial cable 603 and second group of 50 Ω coaxial cable 602 are fold arrangement (as shown in Figure 3).
The load component structure of present embodiment as shown in Figure 5.It is made up of two identical radiators 51, eight load printed boards 53 and load 52 mounted thereto.Two module radiators, 51 two ends are connected with intermediate support plate 505 with the front end-plate 502 of housing respectively, front end-plate 502 and intermediate support plate 505 all have ventilating opening/hole, to guarantee the radiator ventilation and heat, the upper and lower surface of each radiator 51 is respectively installed two load printed boards 53 that ladder distributes.Load 52 according to frequency of utilization with bear the different of power and select accordingly.Each load 52 is connected to each port printed board 43 by load printed board 53 and second group every 50 Ω coaxial cable 602, be connected to tandem 4, the first groups of 50 Ω coaxial cables 601 together by first group every 50 Ω coaxial cable 601 again and second group of 50 Ω coaxial cable 602 is fold arrangement (as shown in Figure 3).
The matching network modular construction of present embodiment as shown in Figure 6.It is arranged between two module radiators, by the front end-plate 502 and intermediate support plate 505 support and connection of housing, the matching network assembly is made up of impedance conversion upper plate 614, impedance conversion lower plate 615, impedance conversion center conductor 604, last dieelctric sheet 605, following dieelctric sheet 613, impedance conversion front end-plate 606, impedance conversion side plate 611, impedance conversion tailgate 609, gross power output/input port 607, connector 608.The cavity of forming sealing by impedance conversion front end-plate 606, impedance conversion side plate 611, impedance conversion tailgate 609, impedance conversion upper plate 614 and impedance conversion lower plate 615; Gross power output/input port 607 is connected with intermediate support plate 505 with front end-plate 502 respectively with connector 608 and is connected with these cavity both ends of the surface.Connector 608 is fixed on the outer conductor of the 3rd group 8 75 Ω coaxial cables 603 on the impedance conversion tailgate 609, the inner wire of the 3rd group 8 75 Ω coaxial cables 603 and the afterbody of impedance conversion center conductor 604 are linked together, and the other end of the 3rd group 8 75 Ω coaxial cables 603 is connected to every road and divides on the radio-frequency maser 44 of power input/output end port (as shown in Figure 3).Spacing by adjusting bolt on adjusting impedance conversion upper plate 614 and the impedance conversion lower plate 615 612 and impedance conversion center conductor 604 can realize impedance matching.
The tandem header structure of present embodiment as shown in Figure 7.Coaxial cable briquetting 73 compositions that it comprises tandem supporting bracket 71, sticks on the multilayer printed board 72 on the supporting bracket 71 and link to each other with supporting bracket 71.Coaxial cable briquetting 73 is one to have the semicircular ring piece of 8 round tube holes, first group 8 50 Ω coaxial cable 601 1 ends pass from the round tube hole of coaxial cable briquetting 73, and be clamped on the tandem supporting bracket 71 with screw, its inner wire is welded on the center of printed board 72 jointly.Whole tandem head is fastened on housing end plate inner face center position with screw.The other end of first group every 50 Ω coaxial cable 601 links to each other (as shown in Figure 3) with a load by each load printed board.
The technical indicator of present embodiment is as follows:
Working band: 199MHz ~ 207MHz
Insert loss: 0.25dB (Max)
Isolation: greater than 26dB
I/O reflection loss: greater than 26dB
Phase unbalance degree; 5 ° (Max)
Amplitude imbalance degree: 0.15dB (Max)
Power I/O port power capacity is divided on every road: be not less than 700W
Gross power output/input port power capacity: be not less than 5KW
Claims (5)
1, a kind of high-power multi-path synthesizes/distributor, comprise and contain the parts that the power input/output end port is divided on the N road, the parts that contain N load, contain the impedance matching network assembly of one tunnel gross power output/input port and three groups of transmission lines that link to each other with each parts, every group of transmission line comprises that the length that the n root has an identical characteristics impedance is the transmission line of quarter-wave odd-multiple; And the housing of ccontaining, fixing said each parts; It is characterized in that, also comprise the tandem head of realizing the tandem of n root transmission line, the said N of containing divides on the road on the end plate that the parts of power input/output end port are fixed on housing, this tandem head places in the housing, said impedance matching network assembly is fixed in the housing, and said N load ladder is distributed in the both sides of this impedance matching network assembly; Said first group of n root transmission line is connected between N load and the tandem head, said second group of n root transmission line is connected said N road and divides between power input/output end port and N the load, the 3rd group of n root transmission line is connected said N road and divides between power input/output end port and the impedance matching network assembly, and these three groups of transmission lines are rugosity and arrange.
2, high-power multi-path as claimed in claim 1 synthesizes/distributor, it is characterized in that, said housing is made of mutual affixed upper cover plate, lower shoe, end plate, front end-plate, left and right sides end plate and intermediate support plate; The said N of containing divides on the road parts of power input/output end port to comprise evenly to be installed in the N piece port base plate of said housing end plate inner face, be pasted with multilayered printed version on the every base plate, and N the radio-frequency maser that is installed in this end plate outside and each base plate corresponding position; The upper and lower arrangement straggly of said N piece port base plate is stepped; Said each radio-frequency maser is connected to the impedance matching network assembly by every transmission line of port printed board and the 3rd group, and is connected to load component by port printed board and second group of every transmission line, and the 3rd group and second transmission line are fold arrangement.
3, high-power multi-path as claimed in claim 2 synthesizes/distributor, it is characterized in that the parts of the said N of a containing load are made up of two identical radiators, a N load printed board and load mounted thereto; Said two module radiator two ends are connected with intermediate support plate with the front end-plate of housing respectively, and front end-plate and intermediate support plate all have ventilating opening/hole, and said N piece load printed board is installed in the stepped distribution of upper and lower surface of these two radiators; Each load is connected to a port printed board by every transmission line of load printed board and second group, and every transmission line by first group is connected to the tandem head again, and the transmission line of first group transmission line and second group is fold arrangement.
4, high-power multi-path as claimed in claim 3 synthesizes/distributor, it is characterized in that, said matching network assembly comprises the cavity of being made of sealing impedance conversion front end-plate, impedance conversion tailgate, impedance conversion side plate, impedance conversion upper plate and impedance conversion lower plate, this cavity is arranged between two module radiators, by the front end-plate and the intermediate support plate support and connection of housing; Be arranged on the impedance conversion center conductor in this cavity, place impedance conversion center conductor both sides and the spaced upward dieelctric sheet of organizing up and down more, following dieelctric sheet, and be installed in this impedance conversion upper plate, organize a plurality of adjusting bolts of upper and lower medium sheet corresponding position on the impedance conversion lower plate and with each, and the gross power output/input port and the connector that are connected with intermediate support plate and communicate with front end-plate respectively with these cavity both ends of the surface, this connector is fixed on the 3rd group of n root transmission line on the impedance conversion lower plate, the afterbody of impedance conversion center conductor and the 3rd group of n root transmission line link together, and the other end of the 3rd group of n root transmission line is connected on the said N radio-frequency maser.
5, synthesize/distributor as claim 1,2,3 or 4 described high-power multi-paths, it is characterized in that, the semicircular ring piece that has N round tube hole that said tandem head comprises supporting bracket, sticks on the multilayer printed board on this supporting bracket and link to each other with supporting bracket, an end of said first group of n root transmission line passes the center that is welded on this multilayer printed board jointly from the round tube hole of this semicircular ring piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021210284A CN1165096C (en) | 2002-05-31 | 2002-05-31 | High-power multi-path synthesis/distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021210284A CN1165096C (en) | 2002-05-31 | 2002-05-31 | High-power multi-path synthesis/distributor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1380718A true CN1380718A (en) | 2002-11-20 |
| CN1165096C CN1165096C (en) | 2004-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021210284A Expired - Fee Related CN1165096C (en) | 2002-05-31 | 2002-05-31 | High-power multi-path synthesis/distributor |
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| Country | Link |
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| CN (1) | CN1165096C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010088797A1 (en) * | 2009-02-04 | 2010-08-12 | 华为技术有限公司 | Power distributing combiner and circuit board having power distributing combiner |
| CN101527382B (en) * | 2009-04-22 | 2012-11-21 | 江苏海虹电子有限公司 | Multiway combined type satellite power divider |
-
2002
- 2002-05-31 CN CNB021210284A patent/CN1165096C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010088797A1 (en) * | 2009-02-04 | 2010-08-12 | 华为技术有限公司 | Power distributing combiner and circuit board having power distributing combiner |
| CN101527382B (en) * | 2009-04-22 | 2012-11-21 | 江苏海虹电子有限公司 | Multiway combined type satellite power divider |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1165096C (en) | 2004-09-01 |
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Granted publication date: 20040901 Termination date: 20110531 |