CN206225515U - A kind of 6GHz 18GHz ultra wide bands 2 road power splitter of miniaturization - Google Patents
A kind of 6GHz 18GHz ultra wide bands 2 road power splitter of miniaturization Download PDFInfo
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- CN206225515U CN206225515U CN201621326908.2U CN201621326908U CN206225515U CN 206225515 U CN206225515 U CN 206225515U CN 201621326908 U CN201621326908 U CN 201621326908U CN 206225515 U CN206225515 U CN 206225515U
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Abstract
The utility model discloses a kind of road power splitter of 6Hz 18Hz ultra-wide band 2 of miniaturization, comprising substrate, housing, impedance transformer, two groups of impedance conversion microstrip lines, input interface and two output interfaces, substrate is fixed in housing, input interface and two output interfaces are separately fixed at housing both sides, impedance transformer one end is connected with input interface, one end of two groups of impedance conversion microstrip lines is connected with the impedance transformer other end, and the other end of two groups of impedance conversion microstrip lines is connected with an output interface respectively.The utility model can significantly decrease difficulty of processing, improve tolerance power.
Description
Technical field
The utility model is related to a kind of power splitter, the road power splitter of 6GHz-18GHz ultra wide bands 2 of particularly a kind of miniaturization.
Background technology
Power splitter full name power divider, English name Power divider are that one kind input signal energy will be divided into all the way
The device of two-way or the equal or unequal energy of multiple-channel output, also in turn can all the way export the synthesis of multiple signals energy, this
When can be also referred to as combiner.Certain isolation is should ensure that between one output port of power splitter.Power splitter is usual by output
It is divided into one-to-two（One input, two outputs）, one point three（One input, three outputs）Deng.The important technological parameters of power splitter
Power loss（Including insertion loss, distribution loss and reflection loss）, each port voltage standing wave ratio, between power distribution port
Isolation, amplitude balance, phase balance, power capacity and frequency bandwidth etc..The Wilkinson power divider of traditional single-order
Relative bandwidth is narrower, within 15%, it is impossible to meet the requirement of broadband power synthesis.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of road work(of 6GHz-18GHz ultra wide bands 2 point of miniaturization
Device.
In order to solve the above technical problems, the technical scheme that the utility model is used is：
A kind of 6Hz-18Hz ultra-wide band 2 road power splitter of miniaturization, it is characterised in that：Comprising substrate, housing, impedance conversion
Device, two groups of impedances conversion microstrip line, input interface and two output interfaces, substrate are fixed in housing, input interface and two
Output interface is separately fixed at housing both sides, and impedance transformer one end is connected with input interface, and two groups of impedances convert microstrip line
One end is connected with the impedance transformer other end, and the other end of two groups of impedance conversion microstrip lines is connected with an output interface respectively.
Further, microstrip line characteristic impedance is reduced to 37 ohm by the impedance transformer by 50 ohm.
Further, two groups of impedances conversion microstrip line is symmetricly set on impedance transformer both sides.
Further, the impedance conversion microstrip line is made up of three sections of impedance micro-strips, three sections of impedances of impedance micro-strip
Reduce most that impedance is reduced to 50 ohm at last successively.
Further, the impedance of three sections of impedance micro-strips is followed successively by 71 ohm, 61 ohm and 50 ohm.
Further, the impedance micro-strip bending of 50 ohm sections is set.
Further, the substrate uses ceramic dielectric substrate.
Further, the ceramic dielectric substrate thickness is 0.381mm.
The utility model compared with prior art, with advantages below and effect：Power splitter of the present utility model is three ranks
Power splitter, being theed improvement is that compared with common three ranks power splitter will be input into microstrip line characteristic impedance from 50 ohmmic drops before work(point
It is low to 37 ohm so that the impedance of the work(point rank impedance of arm the 3rd conversion is also correspondingly reduced to 50 ohm from 67 ohm, can be notable
Ground reduces difficulty of processing, improves tolerance power.Insertion Loss is less than 0.4dB in test result 6GHz-18GHz power splitter bands, completely full
The requirement of sufficient efficient small power combing, can be used to realize the high-power output of 6GHz-18GHz power amplifiers.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of the road power splitter of 6Hz-18Hz ultra-wide band 2 of miniaturization of the present utility model.
Fig. 2 is a kind of circuit diagram of the road power splitter of 6Hz-18Hz ultra-wide band 2 of miniaturization of the present utility model.
Fig. 3 is a kind of simulation curve figure of the road power splitter of 6Hz-18Hz ultra-wide band 2 of miniaturization of the present utility model.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following examples are right
It is of the present utility model explanation and the utility model is not limited to following examples.
As illustrated, a kind of road power splitter of 6Hz-18Hz ultra-wide band 2 of miniaturization of the present utility model, comprising substrate 1, shell
Body 2, impedance transformer 5, two groups of impedance conversion microstrip lines 6, input interface 3 and two output interfaces 4, substrate 1 are fixed on housing 2
Interior, input interface 3 and two output interfaces 4 are separately fixed at the both sides of housing 2, and the one end of impedance transformer 5 connects with input interface 3
Connect, one end of two groups of impedance conversion microstrip lines 6 is connected with the other end of impedance transformer 5, and two groups of impedances convert the another of microstrip line 6
End is connected with an output interface 4 respectively.
Microstrip line characteristic impedance is reduced to 37 ohm by impedance transformer 5 by 50 ohm.Two groups of impedances convert microstrip line 6 pairs
Title is arranged on the both sides of impedance transformer 5.Impedance conversion microstrip line 6 is made up of three sections of impedance micro-strips, three sections of impedance micro-strips
Impedance reduces most that impedance is reduced to 50 ohm at last successively.The impedance of three sections of impedance micro-strips be followed successively by 71 ohm, 61 ohm and
50 ohm.The bending of impedance micro-strip 6 of 50 ohm sections is set.The preceding of work(point is carried out to hinder microstrip line feature by impedance transformer
Anti- to be reduced to 37 ohm by 50 ohm, micro belt line width increases by 10%, and 10% is improved by high-power signal ability；Again by with it is defeated
Enter end with identical, the in opposite direction microstrip line with impedance mapping function of two vertical physical dimensions of line, realize constant power
Distribution.The characteristic impedance of the microstrip line with impedance mapping function is transitioned into 61 ohm and is transitioned into 50 ohm again by 71 ohm, so
After export.
Substrate 1 uses 99 ceramic dielectric substrates.Ceramic dielectric substrate thickness is 0.381mm so that the dimensioning in transmission direction
It is very little to greatly reduce.
Power splitter of the present utility model is three rank power splitters, is theed improvement is that compared with common three ranks power splitter in work(point
It is preceding that input microstrip line characteristic impedance is reduced to 37 ohm from 50 ohm so that the impedance of the work(point rank impedance of arm the 3rd conversion also phase
Answer ground to be reduced to 50 ohm from 67 ohm, difficulty of processing can be significantly decreased, tolerance power is improved.Test result 6GHz-18GHz
Insertion Loss is less than 0.4dB in power splitter band, fully meets the requirement of efficient small power combing, can be used to realize 6GHz-18GHz
The high-power output of power amplifier.
Above content described in this specification is only to the utility model example explanation.The utility model
Person of ordinary skill in the field can make various modifications or supplement or using similar side to described specific embodiment
Formula is substituted, and content without departing from the utility model specification or surmounts scope defined in the claims, all should
Belong to protection domain of the present utility model.
Claims (8)
1. the road power splitter of 6Hz-18Hz ultra-wide band 2 of a kind of miniaturization, it is characterised in that：Comprising substrate, housing, impedance conversion
Device, two groups of impedances conversion microstrip line, input interface and two output interfaces, substrate are fixed in housing, input interface and two
Output interface is separately fixed at housing both sides, and impedance transformer one end is connected with input interface, and two groups of impedances convert microstrip line
One end is connected with the impedance transformer other end, and the other end of two groups of impedance conversion microstrip lines is connected with an output interface respectively.
2. according to a kind of road power splitter of 6Hz-18Hz ultra-wide band 2 of the miniaturization described in claim 1, it is characterised in that：It is described
Microstrip line characteristic impedance is reduced to 37 ohm by impedance transformer by 50 ohm.
3. according to a kind of road power splitter of 6Hz-18Hz ultra-wide band 2 of the miniaturization described in claim 1, it is characterised in that：It is described
Two groups of impedance conversion microstrip lines are symmetricly set on impedance transformer both sides.
4. according to a kind of road power splitter of 6Hz-18Hz ultra-wide band 2 of the miniaturization described in claim 3, it is characterised in that：It is described
Impedance conversion microstrip line is made up of three sections of impedance micro-strips, and three sections of impedances of impedance micro-strip reduce most impedance reduction at last successively
It is 50 ohm.
5. according to a kind of road power splitter of 6Hz-18Hz ultra-wide band 2 of the miniaturization described in claim 4, it is characterised in that：It is described
The impedance of three sections of impedance micro-strips is followed successively by 71 ohm, 61 ohm and 50 ohm.
6. according to a kind of road power splitter of 6Hz-18Hz ultra-wide band 2 of the miniaturization described in claim 5, it is characterised in that：50 Europe
The impedance micro-strip bending of nurse section is set.
7. according to a kind of road power splitter of 6Hz-18Hz ultra-wide band 2 of the miniaturization described in claim 1, it is characterised in that：It is described
Substrate uses ceramic dielectric substrate.
8. according to a kind of road power splitter of 6Hz-18Hz ultra-wide band 2 of the miniaturization described in claim 7, it is characterised in that：It is described
Ceramic dielectric substrate thickness is 0.381mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621326908.2U CN206225515U (en) | 2016-12-06 | 2016-12-06 | A kind of 6GHz 18GHz ultra wide bands 2 road power splitter of miniaturization |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621326908.2U CN206225515U (en) | 2016-12-06 | 2016-12-06 | A kind of 6GHz 18GHz ultra wide bands 2 road power splitter of miniaturization |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109119736A (en) * | 2018-09-03 | 2019-01-01 | 广州全界通讯科技有限公司 | A kind of two road ridge waveguide power splitter of ultra wide band |
| CN109216850A (en) * | 2018-09-14 | 2019-01-15 | 成都天奥电子股份有限公司 | A kind of eight road power combing of ridge waveguide microstrip probe/power division network |
| CN111834726A (en) * | 2020-07-28 | 2020-10-27 | 南京理工大学 | Broadband filtering power divider capable of realizing high power division ratio |
| CN113036385A (en) * | 2021-03-01 | 2021-06-25 | 南京微毫科技有限公司 | Three-path filtering power divider with high selectivity |
| CN114335960A (en) * | 2021-12-27 | 2022-04-12 | 中国电子科技集团公司第二十九研究所 | High-power two-way power divider and high-power multi-path power divider |
-
2016
- 2016-12-06 CN CN201621326908.2U patent/CN206225515U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109119736A (en) * | 2018-09-03 | 2019-01-01 | 广州全界通讯科技有限公司 | A kind of two road ridge waveguide power splitter of ultra wide band |
| CN109216850A (en) * | 2018-09-14 | 2019-01-15 | 成都天奥电子股份有限公司 | A kind of eight road power combing of ridge waveguide microstrip probe/power division network |
| CN111834726A (en) * | 2020-07-28 | 2020-10-27 | 南京理工大学 | Broadband filtering power divider capable of realizing high power division ratio |
| CN111834726B (en) * | 2020-07-28 | 2022-04-19 | 南京理工大学 | Broadband filtering power divider capable of realizing high power division ratio |
| CN113036385A (en) * | 2021-03-01 | 2021-06-25 | 南京微毫科技有限公司 | Three-path filtering power divider with high selectivity |
| CN114335960A (en) * | 2021-12-27 | 2022-04-12 | 中国电子科技集团公司第二十九研究所 | High-power two-way power divider and high-power multi-path power divider |
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