CN108206321A - A kind of coaxial power splitter of ultra wide band - Google Patents
A kind of coaxial power splitter of ultra wide band Download PDFInfo
- Publication number
- CN108206321A CN108206321A CN201810037156.5A CN201810037156A CN108206321A CN 108206321 A CN108206321 A CN 108206321A CN 201810037156 A CN201810037156 A CN 201810037156A CN 108206321 A CN108206321 A CN 108206321A
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- China
- Prior art keywords
- connector
- hole
- inner wire
- cavity
- high low
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- 230000006698 induction Effects 0.000 claims abstract description 11
- 239000004020 conductor Substances 0.000 claims description 23
- 238000009413 insulation Methods 0.000 claims description 9
- 230000009466 transformation Effects 0.000 abstract description 2
- 239000002184 metal Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- 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
- H01P5/19—Conjugate devices, i.e. devices having at least one port decoupled from one other port of the junction type
- H01P5/20—Magic-T junctions
Abstract
The invention discloses a kind of coaxial power splitters of ultra wide band, including connector, capacitance, high low-impedance line connecting rod, induction reactance line, the first connector inner wire and cavity, the capacitance, high low-impedance line connecting rod, the first connector inner wire and induction reactance line are sequentially connected and within the cavity, through-hole is provided on the cavity, connector is mounted on through-hole.The structure being connected using capacitance, high low-impedance line with induction reactance line, under equal inner wire design length, using less than the high Low ESR transformation of 4/1 wavelength, relative to 380 3600MHz of existing product bandwidth, inner wire length is about 160mm, the band width of the present invention can accomplish 300 5000MHz, and can reach 1.2 in the band limits standing internal wave ratio:1, hereinafter, third order intermodulation representative value can reach 165dBc, has the advantages such as ultra-wide band, low intermodulation, easy processing simple in structure.
Description
Technical field
The present invention relates to less radio-frequency devices field more particularly to a kind of coaxial power splitters of ultra wide band.
Background technology
Coaxial power splitter is a kind of will to be divided into two-way or the equal or unequal energy of multiple-channel output by input signal energy all the way
Device, traditional cavity type power divider needed using 7 section impedance lines, each section impedance line is used to meet client's index demand
1/4 wavelength is designed, and inner wire overall length is about 280mm or so.
Such as a kind of coaxial power splitter of Patent No. " 201410135700.1 ", including：Metal cavity is saved by least 2
First metallic inner conductor of incremental the first metallic rod head and the tail connection composition of diameter step formula is passed by least 2 section diameter step formulas
The second metallic inner conductor of the second metallic rod head and the tail connection composition increased, this second metallic inner conductor taper end are equipped with circular metal
Set；In the butt end insertion circular ferrule of first metallic inner conductor, the butt end and circular ferrule of the first metallic inner conductor
Between be equipped with PTFT casings, there are gap between the butt end end face of the first metallic inner conductor and the second metallic inner conductor end face, one
Metal end is pacified
Loaded on metal cavity rear end, a grounded metal line is connected between this metal end and output metallic rod.The present invention can be with
Ensure low-frequency performance indicator, inductance can ensure the performance indicator of high-frequency section, and high low-impedance line ensures intermediate frequency
Index, design principle are totally different from conventional products, and new compact to design, machining difficulty is small, although the length of product at low cost
Small, frequency range is very wide.
Such as a kind of miniaturized coaxial cavity body power splitter application No. is " 201510251204.7 ", including outer conductor, set
It puts in outer conductor and the inner wire coaxial with outer conductor, the input terminal, coaxial coupling device that is connect with inner wire and at least two is defeated
Go out terminal, coaxial coupling device；Transformer sections at different levels that outbound course sets gradually are input to along inner wire in outer conductor internal diameter not
During change, the diameter of inner wire is alternately changed by small one and large one rule；And/or it is input to outbound course successively along inner wire
For the transformer sections at different levels of setting when interior conductor diameter is constant, the internal diameter of outer conductor is alternately changed by a small big rule.
The length of power splitter transformer section of the present invention, can than the length much shorter of conventional multistage quarter-wave transformer section
To improve the versatility of part, production cost is reduced, facilitates installation and debugging.
Invention content
The present invention provides a kind of coaxial power splitter of ultra wide band, it can be achieved that broader frequency under equal inner wire dimensions length
Rate bandwidth.
A kind of coaxial power splitter of ultra wide band, including connector, capacitance, high low-impedance line connecting rod, induction reactance line, the first connection
Device inner wire and cavity, the capacitance, high low-impedance line connecting rod, the first connector inner wire and induction reactance line is sequentially connected and position
In in cavity, being provided with through-hole on the cavity, connector is mounted on through-hole；The capacitance includes leading in the second connector
Body, conductor extractor displacer and insulation sleeve, the second connection inner wire are connected with conductor extractor displacer, and insulation sleeve is sleeved on conductor extractor displacer
Outer ring；The end of the first connector inner wire and the second connector inner wire is extended in through-hole.
In said program, the connector includes input connector, the first out connector and the second out connector, institute
It states cavity front end and is provided with front through hole, left through-hole and right through-hole are offered on the outside of cavity end, input connector is mounted on preceding logical
Kong Shang, the first out connector are mounted on left through-hole, and the second out connector is mounted on right through-hole, first connector
The both ends of inner wire are extended in left through-hole and right through-hole, and one end of the second connector inner wire is extended in front through hole.
In said program, the high low-impedance line connecting rod uses the high low-impedance line connecting rod of sugarcoated haws structure.
In said program, the insulation sleeve is PIFE casings or OTM casings.
Beneficial effects of the present invention are compared with prior art：It is connected using capacitance, high low-impedance line with induction reactance line
Structure under equal inner wire design length, converts, relative to existing product bandwidth 380- using less than the high Low ESR of 4/1 wavelength
3600MHz, inner wire length are about 160mm, and band width of the invention can accomplish 300-5000MHz, and in the frequency range model
It encloses standing internal wave ratio and can reach 1.2:1, hereinafter, third order intermodulation representative value can reach -165dBc, has ultra-wide band, low intermodulation, structure
The advantages such as simple easy processing.
Description of the drawings
Fig. 1 is the structure diagram of the coaxial power splitter of ultra wide band of the present invention；
Reference numeral：1st, the second connector inner wire, 2, conductor extractor displacer, 3, insulation sleeve, 4, high low-impedance line connecting rod, 5, sense
Anti- line, the 6, first connector inner wire, 7, input connector, the 8, first out connector, the 9, second out connector, 10, chamber
Body.
Specific embodiment
With reference to the accompanying drawings and examples, the specific embodiment of the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but be not limited to the scope of the present invention.
As shown in Figure 1, a kind of coaxial power splitter of ultra wide band, including connector, capacitance, high low-impedance line connecting rod 4, first
Connector inner wire 6, induction reactance line 5 and cavity 10, capacitance pass through high low-impedance line connecting rod 4 and 6 phase of the first connector inner wire
Even, the first connector inner wire 6 is connected with induction reactance line 5, capacitance, high low-impedance line connecting rod 4,6 and of the first connector inner wire
Induction reactance line 5 is located in cavity 10, wherein high low-impedance line connecting rod 4 uses sugarcoated haws structure design.Capacitance includes the second connection
Device inner wire 1, conductor extractor displacer 2 and insulation sleeve 3, one end of the second connector inner wire 1 are connected with conductor extractor displacer 2, insulation
Set 3 is sleeved on the outer ring of conductor extractor displacer 2, which can be PIFE casings or OTM casings.It is set on cavity 10
There is a through-hole, connector is mounted on through-hole, and the end of the first connector inner wire 6 and the second connector inner wire 1 extends to logical
In hole.
In one embodiment, connector includes input connector 7, the first out connector 8 and the second out connector 9,
Cavity front end is provided with front through hole, and the left side and right side opening on the outside of cavity end are equipped with left through-hole and right through-hole, input connector 7
In front through hole, the first out connector 8 is mounted on left through-hole, and the second out connector 9 is mounted on right through-hole, the
The both ends of a connector inner wire 6 are extended in left through-hole and right through-hole, and it is logical to ensure that the first and second out connectors are mounted on
It can be connected on hole with the end of the first connector inner wire 6, one end of the second connector inner wire 1 is extended in front through hole,
Ensure with the end of the second connector inner wire 1 to be connected when input connector 7 is mounted in front through hole.
The structure being connected using capacitance, high low-impedance line connecting rod 4 with induction reactance line 5, under equal inner wire design length,
Using less than the high Low ESR transformation of 4/1 wavelength, voltage standing wave ratio response characteristic is designed using Chebyshev's response, inner wire
Length is about 160mm, and band width of the invention can accomplish 300-5000MHz, and reachable in the band limits standing internal wave ratio
To 1.2:1 hereinafter, third order intermodulation representative value can reach -165dBc, have ultra-wide band, low intermodulation, the easy processing simple in structure etc. excellent
Gesture.
Above example is merely illustrative of the invention's technical idea, it is impossible to protection scope of the present invention is limited with this, it is every
According to technological thought proposed by the present invention, any change is made on the basis of technical solution, each falls within the scope of the present invention
It is interior.
Claims (4)
1. a kind of coaxial power splitter of ultra wide band, it is characterised in that：Including connector, capacitance, high low-impedance line connecting rod（4）, sense
Anti- line（5）, the first connector inner wire（6）And cavity（10）, the capacitance, high low-impedance line connecting rod（4）, the first connector
Inner wire（6）With induction reactance line（5）It is sequentially connected and positioned at cavity（10）It is interior, the cavity（10）On be provided with through-hole, connector
On through-hole；The capacitance includes the second connector inner wire（1）, conductor extractor displacer（2）And insulation sleeve（3）, second connects
Connect inner wire（1）With conductor extractor displacer（2）It is connected, insulation sleeve（3）It is sleeved on conductor extractor displacer（2）Outer ring；Described first connects
Connect device inner wire（6）With the second connector inner wire（1）End extend in through-hole.
2. the coaxial power splitter of ultra wide band as described in claim 1, it is characterised in that：The connector includes input connector
（7）, the first out connector（8）With the second out connector（9）, the cavity（10）Front end is provided with front through hole, cavity
（10）Left through-hole and right through-hole, input connector are offered on the outside of end（7）In front through hole, the first out connector
（8）On left through-hole, the second out connector（9）On right through-hole, the first connector inner wire（6）Two
End is extended in left through-hole and right through-hole, the second connector inner wire（1）One end extend in front through hole.
3. the coaxial power splitter of ultra wide band as described in claim 1, it is characterised in that：The high low-impedance line connecting rod（4）It adopts
With the high low-impedance line connecting rod of sugarcoated haws structure（4）.
4. the coaxial power splitter of ultra wide band as described in claim 1, it is characterised in that：The insulation sleeve（3）For PIFE casings or
OTM casings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810037156.5A CN108206321A (en) | 2018-01-15 | 2018-01-15 | A kind of coaxial power splitter of ultra wide band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810037156.5A CN108206321A (en) | 2018-01-15 | 2018-01-15 | A kind of coaxial power splitter of ultra wide band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108206321A true CN108206321A (en) | 2018-06-26 |
Family
ID=62605242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810037156.5A Pending CN108206321A (en) | 2018-01-15 | 2018-01-15 | A kind of coaxial power splitter of ultra wide band |
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| Country | Link |
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| CN (1) | CN108206321A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115483520A (en) * | 2022-10-17 | 2022-12-16 | 苏州灿勤通讯技术有限公司 | High-power low-intermodulation power divider |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201039100Y (en) * | 2007-04-06 | 2008-03-19 | 鞍山吉兆电子有限公司 | Coaxial high-power low pass filtering-resistance converter |
| CN201360032Y (en) * | 2009-03-09 | 2009-12-09 | 安徽海特微波通信有限公司 | A short-stair coaxial power divider of impedance variable cavity |
| US20130194023A1 (en) * | 2012-01-27 | 2013-08-01 | Abdulrhman M.S Ahmed | Adjustable power splitter and corresponding methods & apparatus |
| CN104752859A (en) * | 2013-12-31 | 2015-07-01 | 安徽省大富机电技术有限公司 | Connector and cavity filter |
| CN205657154U (en) * | 2016-04-26 | 2016-10-19 | 苏州赫斯康通信科技有限公司 | Coaxial power distribution unit of multisection impedance conversion radio frequency |
| CN106252814A (en) * | 2014-04-04 | 2016-12-21 | 苏州灿勤通讯技术有限公司 | Coaxial cavity power divider |
| CN207677052U (en) * | 2018-01-15 | 2018-07-31 | 南京福客通信设备有限公司 | A kind of coaxial power splitter of ultra wide band |
-
2018
- 2018-01-15 CN CN201810037156.5A patent/CN108206321A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201039100Y (en) * | 2007-04-06 | 2008-03-19 | 鞍山吉兆电子有限公司 | Coaxial high-power low pass filtering-resistance converter |
| CN201360032Y (en) * | 2009-03-09 | 2009-12-09 | 安徽海特微波通信有限公司 | A short-stair coaxial power divider of impedance variable cavity |
| US20130194023A1 (en) * | 2012-01-27 | 2013-08-01 | Abdulrhman M.S Ahmed | Adjustable power splitter and corresponding methods & apparatus |
| CN104752859A (en) * | 2013-12-31 | 2015-07-01 | 安徽省大富机电技术有限公司 | Connector and cavity filter |
| CN106252814A (en) * | 2014-04-04 | 2016-12-21 | 苏州灿勤通讯技术有限公司 | Coaxial cavity power divider |
| CN205657154U (en) * | 2016-04-26 | 2016-10-19 | 苏州赫斯康通信科技有限公司 | Coaxial power distribution unit of multisection impedance conversion radio frequency |
| CN207677052U (en) * | 2018-01-15 | 2018-07-31 | 南京福客通信设备有限公司 | A kind of coaxial power splitter of ultra wide band |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115483520A (en) * | 2022-10-17 | 2022-12-16 | 苏州灿勤通讯技术有限公司 | High-power low-intermodulation power divider |
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