CN206364163U - A kind of band resistance combiner of same frequency ultra-wide passband - Google Patents
A kind of band resistance combiner of same frequency ultra-wide passband Download PDFInfo
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- CN206364163U CN206364163U CN201621391530.4U CN201621391530U CN206364163U CN 206364163 U CN206364163 U CN 206364163U CN 201621391530 U CN201621391530 U CN 201621391530U CN 206364163 U CN206364163 U CN 206364163U
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Abstract
Combiner is hindered the utility model discloses a kind of band of same frequency ultra-wide passband, it includes bandstop filter and bandpass filter；Bandstop filter after bandpass filter combining through a public port with exporting；Several resonance single-chambers are provided with bandstop filter；Harmonic oscillator is provided with each resonance single-chamber；Conduction band is connected through resonance single-chamber with public port；Conduction band be arranged at intervals with along its length it is multiple to the coupling unit extended laterally, the conduction band with coupling unit along its length be in spline-simulating；At least containing a coupling unit on conduction band in each resonance single-chamber of bandstop filter.The utility model is simple in construction, easy to install, its while can realize that band resistance is colluded frequency combining, high suppressions of near-end, ultra-wide standing-wave ratio etc. with band and required, disclosure satisfy that it is high needed for bandstop filter suppress, can ensure from DC 3.8G bandpass signal by, while the design also meet with bandpass signal branch and combining function of the high suppression of resistance with frequency.
Description
Technical field
The utility model is related to a kind of band resistance combiner, belongs to signal division technical field, and in particular to a kind of super with frequency
The band resistance combiner of broad passband.
Background technology
The development of the current communication technology is maked rapid progress, for shared resource, reduces system cost, reduces volume and weight,
The mode that multiple systems, multiple frequency ranges share antenna-feedback system is increasingly widely used.Therefore, multisystem, multiband
Division road technique has become the important component of development communication technologies.
To meet above-mentioned requirements, conventional belt hinders combiner basically according to bandwidth to estimate the arrangement of chamber number, standing-wave ratio later stage
Debugged, it is impossible to meet ultra-wide standing-wave ratio passband requirements, and without same frequency combining.Such as Chinese invention patent specification
A kind of high relative bandwidth dual-frequency combiner is disclosed in CN101478071B, being included in being used for of being set on cavity passes through ultra wide band
The bandstop filter of signal and the bandpass filter for current relative narrow band signal, the bandstop filter include conduction band, band logical
Wave filter includes some resonant columns, and bandstop filter after bandpass filter combining through a public port with exporting, in bandpass filtering
Device installs combining part on the resonant column of the public port side, and the combining part is with the conduction band in the way of slot-coupled
Realize the coupling of signal between two wave filters.Although the invention has widened the use scope of combiner, breaks through traditional combiner
The limitation in GSM is only used for, but for needing to ensure that bandstop filter can be by needed for bandpass filter
Signal is suppressed to≤- 90dB intensity, the signal that the 13MHz for making bandstop filter suppress frequency range suppresses the outer DC-3.8G of bandwidth leads to
During the requirement crossed, the technical scheme of the invention can not be realized completely.
A kind of combiner and its port coupled structure are disclosed in Chinese invention patent specification CN103794841B, its
For realizing that the combining of ultra-broadband signal and relative narrow band signal is exported, including it is arranged in combiner the ultra-wide that is used to passing through and takes a message
Number the first path and alternate path for current relative narrow band signal, the first path is each with one end combining shape with alternate path
Into public port, respective other end formation separate port, wherein, the ultra-broadband signal of first path passes through bandreject filtering
Device realizes that it is provided with the conduction band being connected between the public port and the separate port of the path；The phase of the alternate path
Narrow band signal is realized by bandpass filter, it is provided with the resonant column close to the public port；The resonant column is with its post
Wall realizes the combining of two paths of signals with the direct slot-coupled of the conduction band.The invention Combiner port coupled structure and combiner knot
Although structure has convenient simple, installation and debugging, wide application and the low feature of production cost, at that time for needing to ensure that band resistance is filtered
Signal needed for bandpass filter can be suppressed to by ripple device≤- 90dB intensity, bandstop filter is suppressed the 13MHz of frequency range
During the requirement that the outer DC-3.8G of suppression bandwidth signal passes through, the technical scheme of the invention can not be realized completely.
The content of the invention
In view of the above-mentioned drawbacks of the prior art, the purpose of this utility model seeks to solve above-mentioned background technology not
Foot hinders combiner there is provided a kind of band of same frequency ultra-wide passband, and it is not only simple in structure, and can realize that band resistance colludes frequency with band
Combining, near-end height suppresses, and ultra-wide standing-wave ratio etc. is required.
In order to solve the above technical problems, the utility model employs the band resistance combiner of such a same frequency ultra-wide passband,
It is included in the band for the bandstop filter for the ultra-broadband signal that passes through and for current relative narrow band signal set on cavity
Bandpass filter；The bandstop filter includes conduction band and some harmonic oscillators；The bandpass filter includes some resonant columns；It is described
Bandstop filter after the bandpass filter combining through a public port with exporting；Several are provided with the bandstop filter
Resonance single-chamber；The harmonic oscillator is provided with each resonance single-chamber；The conduction band connects through the resonance single-chamber with public port
Connect；The conduction band be arranged at intervals with along its length it is multiple to the coupling unit extended laterally, with leading for the coupling unit
Band is in spline-simulating along its length；At least containing a coupling part on conduction band in each resonance single-chamber of the bandstop filter
Point.
In a kind of preferred embodiment of the present utility model, disposed at equal distance has several humorous in the bandstop filter
Shake single-chamber；A harmonic oscillator is disposed with each resonance single-chamber；The harmonic oscillator is the resonant rod perpendicular to cavity sole arrangement；
A coupling unit is disposed with conduction band in each resonance single-chamber；The resonant rod by a flat sidewall and the conduction band with
And a side end face slot-coupled of the coupling unit.
In a kind of preferred embodiment of the present utility model, the coupling unit on the conduction band is cuboid tabular；Institute
The thickness for stating coupling unit is equal with the thickness of the conduction band；The conduction band and the coupling unit integral type are shaped.
In a kind of preferred embodiment of the present utility model, the resonance single-chamber by perpendicular to cavity bottom surface and parallel to
The two sides wall of the conduction band and surrounded jointly perpendicular to cavity bottom surface and perpendicular to the two sides wall of the conduction band；Perpendicular to
Cavity bottom surface and groove for installing the conduction band is provided with the two sides wall of the conduction band；The groove edge
The length of conduction band length direction is more than the distance between adjacent coupled part on the conduction band.
In a kind of preferred embodiment of the present utility model, the length of coupling unit is arranged less than resonance single-chamber along conduction band
The length in direction and the length of coupling unit are more than length of the harmonic oscillator along conduction band arranged direction.
In a kind of preferred embodiment of the present utility model, the support for supporting conduction band is connected with the conduction band
Part；The support member is located between adjacent coupled part.
In a kind of preferred embodiment of the present utility model, the impedance of the conduction band is 50 ohm；The length of the conduction band
Spend for 1/4 or 1/8 wavelength.
In a kind of preferred embodiment of the present utility model, the bandstop filter is arranged parallel to including some sections
Band resistance resonator；Every section of band resistance resonator includes resonance single-chamber described in several disposed at equal distance.
In a kind of preferred embodiment of the present utility model, the combiner for combining is provided with by the public port
Common tap.
In a kind of preferred embodiment of the present utility model, the combiner common tap includes public resonant rod and public affairs
Common single-chamber；The public single-chamber be located between the public port and the end resonance single-chamber of the bandstop filter and with it is described
Bandpass filter is connected；The conduction band is connected through the public single-chamber with public port；Public affairs are provided with the public single-chamber
Common resonant rod；The public single-chamber is coupled with the conduction band.
In a kind of preferred embodiment of the present utility model, the width of the coupling unit is adjustable.
In a kind of preferred embodiment of the present utility model, the conduction band passes through mould integral type machine-shaping；It is described
The support member for supporting conduction band is connected with conduction band.
The beneficial effects of the utility model are：The utility model is simple in construction, easy to install, and it can realize band
While resistance is colluded frequency combining, high suppressions of near-end, ultra-wide standing-wave ratio etc. with band and required, high needed for bandstop filter press down disclosure satisfy that
System≤- 90dB, can ensure from DC-3.8G bandpass signal by standing-wave ratio≤1.5, while the design also meet with resistance
Height suppresses the bandpass signal branch and combining function with frequency.
Brief description of the drawings
Fig. 1 is that a kind of band of same frequency ultra-wide passband of the utility model embodiment hinders the structural representation of combiner；
Fig. 2 is that a kind of band of same frequency ultra-wide passband of the utility model embodiment hinders the concrete structure schematic diagram of combiner；
Fig. 3 is that a kind of band of same frequency ultra-wide passband of the utility model embodiment hinders the resonance single cavity structure schematic diagram of combiner
Fig. 4 is common tap structure and the company of a kind of band resistance combiner of same frequency ultra-wide passband of the utility model embodiment
Connect relation schematic diagram；
Fig. 5 is that a kind of band of same frequency ultra-wide passband of the utility model embodiment hinders the conduction band structure schematic diagram of combiner；
Fig. 6 is that a kind of band of same frequency ultra-wide passband of the utility model embodiment hinders the conduction band structure with support member of combiner
Schematic diagram；
In figure：1- cavitys, 2- bandstop filters, 3- bandpass filters, 4- public ports, 5- common taps, 6- first ends
Mouthful, 7- second ports, 2.1- conduction bands, 2.2- harmonic oscillators, 2.3- resonance single-chambers, 2.1-1- coupling units, 2.1-2- support members,
2a- band resistance resonators, 3.1- resonant columns, the public resonant rods of 5.1-, 5.2- common cavities.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain this
Utility model, is not used to limit the utility model.
The utility model is same as prior art in principle, and it has the first path for being used for transmitting ultra-broadband signal, uses
In the alternate path of the relative narrow band signal of transmission, due to the first path and alternate path common port, thus, the combiner has altogether
There are three ports, be the public port 4 of the meet of three paths respectively, belong to the first end of the first path (ultra-broadband signal)
Mouth 6, the second port 7 for belonging to alternate path (with respect to narrow band signal)；It is super for transmitting using bandstop filter 2 in first path
Broadband signal and suppress relative narrow band signal, and in the alternate path then using bandpass filter 3 be used to transmitting it is relatively narrow
Band signal and suppress ultra-broadband signal, as shown in Figure 1, the top of cavity 1 is bandstop filter 2, and bottom is then bandpass filter
3, accordingly, public port 4 is on the right side of cavity 1, the upper and lower side setting of first port 6 and the separation cavity 1 of second port 7.Cavity
Cover plate can be installed, cover plate can constitute closed and shielding a signal space with cavity 1 on 1.
The utility model is in order to ensure that the signal needed for bandpass filter can be suppressed to≤- 90dB by the bandstop filter
Intensity, while the signal that the 13MHz for making bandstop filter suppress frequency range suppresses the outer DC-3.8G of bandwidth passes through, to bandreject filtering
Device 1 is made that following improvement：It is included in set on cavity 1 be used for pass through ultra-broadband signal bandstop filter 2 and be used for
The bandpass filter 3 of current relative narrow band signal；The bandstop filter 2 includes conduction band 2.1 and some harmonic oscillators 2.2；Band logical
Wave filter 3 includes some resonant columns 3.1；Bandstop filter 2 after the combining of bandpass filter 3 through a public port 4 with exporting：Band resistance
Several resonance single-chambers 2.3 are provided with wave filter 2；Harmonic oscillator 2.2 is provided with each resonance single-chamber 2.3；Conduction band 2.1 is passed through
Resonance single-chamber 2.3 is connected with public port 4；Conduction band 2.1 is arranged at intervals with multiple to the coupling part extended laterally along its length
Divide 2.1-1, the conduction band 2.1 with coupling unit 2.1-1 is in spline-simulating along its length；Each resonance list of bandstop filter 2
The coupling unit 2.1-1 at least contained on conduction band 2.1 in chamber 2.3 on a coupling unit 2.1-1, conduction band 2.1 is cuboid
Tabular；Coupling unit 2.1-1 thickness is equal with the thickness of conduction band 2.1；Conduction band 2.1 and the processing of coupling unit 2.1-1 integral types
Shaping；A kind of technical scheme disclosed in the accompanying drawings shows that disposed at equal distance has several resonance single-chambers in bandstop filter 2
2.3；A harmonic oscillator 2.2 is disposed with each resonance single-chamber 2.3；Harmonic oscillator 2.2 is the resonance perpendicular to the sole arrangement of cavity 1
Bar；A coupling unit 2.1-1 is disposed with conduction band 2.1 in each resonance single-chamber 2.3；Resonant rod by a flat sidewall with
One side end face slot-coupled of conduction band 2.1 and coupling unit 2.1-1；Support member 2.1c can be connected on conduction band 2.1 as needed,
As illustrated in Figures 5 and 6；Equally, bandstop filter 2 can also include several resonance single-chambers 2.3；Cloth in each resonance single-chamber 2.3
It is equipped with some harmonic oscillators 2.2；Each harmonic oscillator 2.2 is correspondingly arranged conduction band 2.1 and realizes slot-coupled；The resonance of the present invention
Single-chamber 2.3 by the two sides wall perpendicular to the bottom surface of cavity 1 and parallel to conduction band 2.1 and perpendicular to the bottom surface of cavity 1 and perpendicular to
The two sides wall of conduction band 2.1 is surrounded jointly；It is provided with perpendicular to the bottom surface of cavity 1 and on the two sides wall of conduction band 2.1
Groove for installing conduction band 2.1；Length of the groove along the length direction of conduction band 2.1 is more than adjacent coupled part on conduction band 2.1
The distance between 2.1-1, it is achieved thereby that the Fast Installation of conduction band 2.1.
The length of coupling unit 2.1-1 in the utility model is less than length of the resonance single-chamber 2.3 along the arranged direction of conduction band 2.1
Degree and coupling unit 2.1-1 length are more than length of the harmonic oscillator 2.2 along the arranged direction of conduction band 2.1；Connected on the conduction band 2.1
There is the support member 2.1-2 for supporting conduction band；The support member 2.1c is located between the 2.1-1 of adjacent coupled part.In order that
The utility model structure is compacter, and the bandstop filter 2 in the utility model includes some sections of band being arranged parallel to resistances
Resonator 2a；Every section includes the resonance single-chamber 2.3 of several disposed at equal distance with resistance resonator 2a；Adjacent resonance single-chamber 2.3 it
Between spacing be 0.5mm or 1mm or 2mm, as shown in Figure 3 and Figure 4.The structure design of the multisection type is effectively to combiner cavity
The requirement in space.
The utility model also pairing road port coupled modes are improved, and it is provided with by public port 4 for closing
The combiner common tap 5 on road includes public resonant rod 5.1 and common cavity 5.2；The common cavity 5.2 is located at the public port
Connected between 4 and the end resonance single-chamber 2.3 of the bandstop filter 2 and with the bandpass filter 3；The conduction band 2.1 is worn
The common cavity 5.2 is crossed to be connected with public port 4；Public resonant rod 5.1 is provided with the common cavity 5.2；The common cavity
5.2 couple with the conduction band 2.1.Equally, the utility model combining part can similarly realize this practicality using other structures
New technical problem to be solved.
The design that the utility model passes through coupling unit, it is ensured that impedance of the mobile jib in single-chamber, makes single-chamber be stayed in transmission
Good characteristic is kept during Bob；Pass through the coupling of the couple planar of harmonic oscillator 2.2 and the conduction band 2.1 with coupling unit 2.1-1
The design of the distance between end face, it is ensured that the coupling amount of inhibition strength needed for bandstop filter；Pass through the design of common tap 5
The time delay intensity needed for bandpass filter is ensure that, required bandpass signal is efficiently transmitted in 1 bandpass filter of mark；Therefore this
Utility model is not only simple in structure, and be effectively guaranteed the bandstop filter can by needed for bandpass filter signal press down
≤ -90dB intensity is made, the signal that the 13MHz for making bandstop filter suppress frequency range suppresses the outer DC-3.8G of bandwidth passes through, and improves
Versatility of the present utility model.
It should be appreciated that the foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not
Be confined to this, any those skilled in the art disclosed herein technical scope in, the change that can be readily occurred in
Or replace, it should all be included within the scope of the present invention.
Claims (10)
1. a kind of band resistance combiner of same frequency ultra-wide passband, being included in being used for of being set on cavity (1) passes through ultra-broadband signal
Bandstop filter (2) and the bandpass filter (3) for current relative narrow band signal；The bandstop filter (2) includes conduction band
And some harmonic oscillators (2.2) (2.1)；The bandpass filter (3) includes some resonant columns (3.1)；The bandstop filter (2)
With being exported after the bandpass filter (3) combining through a public port (4)；It is characterized in that：Set in the bandstop filter (2)
It is equipped with several resonance single-chambers (2.3)；The harmonic oscillator (2.2) is provided with each resonance single-chamber (2.3)；The conduction band
(2.1) it is connected through the resonance single-chamber (2.3) with public port (4)；The conduction band (2.1) is arranged at intervals with along its length
It is multiple to the coupling unit extended laterally (2.1-1), the conduction band (2.1) with the coupling unit (2.1-1) is along its length
In spline-simulating；At least containing a coupling on conduction band (2.1) in each resonance single-chamber (2.3) of the bandstop filter (2)
Partly (2.1-1).
2. a kind of band resistance combiner of same frequency ultra-wide passband according to claim 1, it is characterised in that：The bandreject filtering
Device (2) interior disposed at equal distance has several resonance single-chambers (2.3)；A harmonic oscillator is disposed with each resonance single-chamber (2.3)
(2.2)；The harmonic oscillator (2.2) is the resonant rod perpendicular to cavity (1) sole arrangement；Leading in each resonance single-chamber (2.3)
A coupling unit (2.1-1) is disposed with band (2.1)；The resonant rod by a flat sidewall and the conduction band (2.1) with
And a side end face slot-coupled of the coupling unit (2.1-1).
3. a kind of band resistance combiner of same frequency ultra-wide passband according to claim 1, it is characterised in that：The conduction band
(2.1) coupling unit (2.1-1) on is cuboid tabular；The thickness of the coupling unit (2.1-1) and the conduction band (2.1)
Thickness it is equal；The conduction band (2.1) and the coupling unit (2.1-1) integral type are shaped.
4. a kind of band resistance combiner of same frequency ultra-wide passband according to claim 1, it is characterised in that：The resonance single-chamber
(2.3) by the two sides wall perpendicular to cavity (1) bottom surface and parallel to the conduction band (2.1) and perpendicular to cavity (1) bottom surface
And surrounded jointly perpendicular to the two sides wall of the conduction band (2.1)；Perpendicular to cavity (1) bottom surface and perpendicular to the conduction band
(2.1) groove for installing the conduction band (2.1) is provided with two sides wall；The groove is along conduction band (2.1) length
The length in direction is more than the distance between adjacent coupled part (2.1-1) on the conduction band (2.1).
5. a kind of band resistance combiner of same frequency ultra-wide passband according to claim 1, it is characterised in that：Coupling unit
The length of (2.1-1) is less than the length of length and coupling unit (2.1-1) of the resonance single-chamber (2.3) along conduction band (2.1) arranged direction
Degree is more than length of the harmonic oscillator (2.2) along conduction band (2.1) arranged direction.
6. a kind of band resistance combiner of same frequency ultra-wide passband according to claim 1, it is characterised in that：The conduction band
(2.1) support member (2.1-2) for supporting conduction band is connected with；The support member (2.1c) is located at adjacent coupled part
Between (2.1-1).
7. a kind of band resistance combiner of same frequency ultra-wide passband according to claim 1, it is characterised in that：The conduction band
(2.1) impedance is 50 ohm；The length of the conduction band (2.1) is 1/4 or 1/8 wavelength.
8. a kind of band resistance combiner of same frequency ultra-wide passband according to claim 1, it is characterised in that：The bandreject filtering
Device (2) includes some sections of band being arranged parallel to resistance resonators (2a)；It is equidistant that every section of band resistance resonator (2a) includes several
From the arrangement resonance single-chamber (2.3).
9. a kind of band resistance combiner of same frequency ultra-wide passband according to claim 1, it is characterised in that：The public port
(4) the other combiner common tap (5) being provided with for combining.
10. a kind of band resistance combiner of same frequency ultra-wide passband according to claim 9, it is characterised in that：The combiner
Common tap (5) includes public resonant rod (5.1) and common cavity (5.2)；The common cavity (5.2) is located at the public port
(4) connect between the end resonance single-chamber (2.3) of the bandstop filter (2) and with the bandpass filter (3)；It is described to lead
Band (2.1) is connected through the common cavity (5.2) with public port (4)；Public resonant rod is provided with the common cavity (5.2)
(5.1)；The common cavity (5.2) couples with the conduction band (2.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621391530.4U CN206364163U (en) | 2016-12-19 | 2016-12-19 | A kind of band resistance combiner of same frequency ultra-wide passband |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621391530.4U CN206364163U (en) | 2016-12-19 | 2016-12-19 | A kind of band resistance combiner of same frequency ultra-wide passband |
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| CN206364163U true CN206364163U (en) | 2017-07-28 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111193086A (en) * | 2019-09-27 | 2020-05-22 | 杭州紫光网络技术有限公司 | Novel low intermodulation ultra wide band five way combiners |
| WO2022001570A1 (en) * | 2020-07-02 | 2022-01-06 | 罗森伯格技术有限公司 | Band-stop filter and radio frequency device |
| CN114530677A (en) * | 2022-01-27 | 2022-05-24 | 恒尔威科技(苏州)有限公司 | Ultra-wideband miniaturized cavity combiner |
-
2016
- 2016-12-19 CN CN201621391530.4U patent/CN206364163U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111193086A (en) * | 2019-09-27 | 2020-05-22 | 杭州紫光网络技术有限公司 | Novel low intermodulation ultra wide band five way combiners |
| WO2022001570A1 (en) * | 2020-07-02 | 2022-01-06 | 罗森伯格技术有限公司 | Band-stop filter and radio frequency device |
| CN114530677A (en) * | 2022-01-27 | 2022-05-24 | 恒尔威科技(苏州)有限公司 | Ultra-wideband miniaturized cavity combiner |
| CN114530677B (en) * | 2022-01-27 | 2024-04-26 | 恒尔威科技(苏州)有限公司 | Ultra-wideband miniaturized cavity combiner |
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