CN108172956A - A kind of microwave combiner - Google Patents
A kind of microwave combiner Download PDFInfo
- Publication number
- CN108172956A CN108172956A CN201711141266.8A CN201711141266A CN108172956A CN 108172956 A CN108172956 A CN 108172956A CN 201711141266 A CN201711141266 A CN 201711141266A CN 108172956 A CN108172956 A CN 108172956A
- Authority
- CN
- China
- Prior art keywords
- interface
- common cavity
- impedance transformer
- microwave combiner
- common
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The embodiment of the present application discloses a kind of microwave combiner, for new radio-frequency front-end subsystem, compared with prior art, it is possible to reduce wave filter and 3dB combiners improve integrated level.Microwave combiner includes：First common cavity, the second common cavity, third common cavity, the first impedance transformer and the second impedance transformer, the first interface of first common cavity is connect with the first signal input interface, the second interface of first common cavity is connect with first antenna interface, and the third interface of the first common cavity is connect with one end of the first impedance transformer；The first interface of second common cavity is connect with the other end of the first impedance transformer, and the second interface of the second common cavity is connect with signal output interface, and the third interface of the second common cavity is connect with one end of the second impedance transformer；The first interface of third common cavity is connect with the other end of the second impedance transformer, and the second interface of third common cavity is connect with the second antennal interface, and the third interface of third common cavity is connect with second signal input interface.
Description
Technical field
This application involves microwave filter combining field more particularly to a kind of microwave combiners.
Background technology
As base station miniature requirement is increasingly strong, wave filter need to be carried further as the critical component in base station module
High integration.
With the fast development of wave filter industry, the requirement also continuous raising therewith to the index of wave filter, this side
Face is mainly manifested in, and multichannel product shares an antennal interface, and Out-of-band rejection is high, to be got well with interior Insertion Loss, small.It is existing
In technology, as shown in Figure 1, existing combining scheme is combined generally by 3dB electric bridges, but carried out together using 3dB electric bridges
When frequency is combined, isolation is low, at least 3dB losses, and the system complex formed, integrated level be not high.
Invention content
The embodiment of the present application provides a kind of microwave combiner, for new radio-frequency front-end subsystem, compared with prior art,
Wave filter and 3dB combiners can be reduced, improves integrated level.
The first aspect of the embodiment of the present application provides a kind of microwave combiner, and it is public that the microwave combiner includes first
Chamber, the second common cavity, third common cavity, the first impedance transformer and the second impedance transformer, wherein, each common cavity includes
First interface, second interface and third interface；The first interface of first common cavity is connected with the first signal input interface,
The second interface of first common cavity is connected with first antenna interface, the third interface of first common cavity and described the
One end of one impedance transformer is connected；The other end of the first interface of second common cavity and first impedance transformer
It is connected, the second interface of second common cavity is connected with signal output interface, the third interface of second common cavity
It is connected with one end of second impedance transformer；The first interface of the third common cavity and second impedance transformer
The other end be connected, the second interface of the third common cavity is connected with the second antennal interface, the third common cavity
Third interface is connected with second signal input interface.Common cavity in the embodiment of the present application can connect two paths simultaneously, no
The signal of same frequency walks different channels, therefore can realize combining, it is possible to reduce wave filter and 3dB combiners improve integrated
Degree.
In a kind of possible design, in the first realization method of the embodiment of the present application first aspect, the microwave
Combiner further includes cross coupling device, and first common cavity and the third common cavity further include the 4th interface, wherein, institute
The one end for stating cross coupling device is connected with the 4th interface of first common cavity, the other end of the cross coupling device
It is connected with the 4th interface of the third common cavity.The present embodiment additionally provides cross coupling device, introduces cross-couplings dress
Proximal inhibition can be enhanced by putting, promoted the first signal input interface and first antenna interface every and with second signal input interface
With being isolated for the second antennal interface.
In a kind of possible design, in second of realization method of the embodiment of the present application first aspect, described first
Common cavity, the second common cavity and third common cavity are resonator.This example demonstrates the Physical realizations of common cavity, increase
The realizability of the embodiment of the present application.
In a kind of possible design, in the third realization method of the embodiment of the present application first aspect, the resonance
Device is made of electric pole and capacitance.The present embodiment specifically illustrates the specific composition of resonator, and increase the embodiment of the present application can
Realisation and integrality.
In a kind of possible design, in the 4th kind of realization method of the embodiment of the present application first aspect, the resonance
Device supports N roads signal to pass through, and the N is the positive integer more than 1.This embodiment describes the spies for the resonator that the application refers to
Property, it is combined feature for resonator and provides support.
In a kind of possible design, in the 5th kind of realization method of the embodiment of the present application first aspect, the resonance
The resonant frequency of device is between passband is received and dispatched.This example demonstrates the characteristics of the resonator electrical property, increase the application reality
Apply the operability of example.
In a kind of possible design, in the 6th kind of realization method of the embodiment of the present application first aspect, the resonance
Device is coaxial cavity resonator or micro-strip resonantor or dielectric resonator etc..This embodiment describes the types of resonator, enrich
The embodiment of the present application.
In a kind of possible design, in the 7th kind of realization method of the embodiment of the present application first aspect, the intersection
Coupling device is probe or grounded metal line or winged bar.This embodiment describes the specific physics realization shapes of cross coupling device
Formula increases the operability of the embodiment of the present application.
In a kind of possible design, in the 8th kind of realization method of the embodiment of the present application first aspect, the intersection
Coupling device is used to enhance proximal inhibition.This embodiment describes the effect of cross coupling device, cross coupling device can increase
Strong proximal inhibition promotes isolation.
In a kind of possible design, in the 9th kind of realization method of the embodiment of the present application first aspect, described first
Impedance transformer and second impedance transformer for adjust the signal of the first access and alternate path than signal ratio, it is described
First access is the access where first impedance transformer, and the alternate path is where second impedance transformer
Access.Microwave combiner in the present embodiment can adjust the signal ratio of two paths of signals by impedance transformer.
As can be seen from the above technical solutions, the embodiment of the present application has the following advantages：
The embodiment of the present application provides a kind of microwave combiner, and the microwave combiner includes the first common cavity, the second public affairs
Chamber, third common cavity, the first impedance transformer and the second impedance transformer altogether, wherein, each common cavity include first interface,
Second interface and third interface；The first interface of first common cavity is connected with the first signal input interface, and described first
The second interface of common cavity is connected with first antenna interface, and the third interface of first common cavity becomes with first impedance
One end of parallel operation is connected；The first interface of second common cavity is connected with the other end of first impedance transformer,
The second interface of second common cavity is connected with signal output interface, the third interface of second common cavity and described the
One end of two impedance transformers is connected；The other end of the first interface of the third common cavity and second impedance transformer
It is connected, the second interface of the third common cavity is connected with the second antennal interface, the third interface of the third common cavity
It is connected with second signal input interface.Common cavity in the embodiment of the present application can connect two paths simultaneously, different frequency
Signal walks different channels, therefore can realize combining, it is possible to reduce wave filter and 3dB combiners improve integrated level.
Description of the drawings
Fig. 1 is a structure diagram for being combined scheme in the prior art；
Fig. 2 is one embodiment structure diagram of microwave combiner in the embodiment of the present application；
Fig. 3 is an application scenarios schematic diagram of microwave combiner in the embodiment of the present application；
Fig. 4 is another example structure schematic diagram of microwave combiner in the embodiment of the present application；
Fig. 5 is an isolation emulation schematic diagram of microwave combiner in the embodiment of the present application；
Fig. 6 is another application scenarios schematic diagram of microwave combiner in the embodiment of the present application；
Fig. 7 is another isolation emulation schematic diagram of microwave combiner in the embodiment of the present application；
Fig. 8 is another application scenarios schematic diagram of microwave combiner in the embodiment of the present application.
Specific embodiment
The embodiment of the present application provides a kind of microwave combiner, for new radio-frequency front-end subsystem, compared with prior art,
Wave filter and 3dB combiners can be reduced, improves integrated level.
Term " first ", " second ", " third " in the description and claims of this application and above-mentioned attached drawing, "
The (if present)s such as four " are the objects for distinguishing similar, and specific sequence or precedence are described without being used for.It should manage
The data that solution uses in this way can be interchanged in the appropriate case, so that the embodiments described herein can be in addition to illustrating herein
Or the sequence other than the content of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment need not limit
In those steps or unit for clearly listing, but may include not listing clearly or for these processes, method, production
The intrinsic other steps of product or equipment or unit.
It should be noted that the application meets the demand of new radio-frequency front-end subsystem structure, relative to the prior art,
Improve level of integrated system.In order to make it easy to understand, the id signal by taking 2T1R as an example of the embodiment in the application flows to, wherein,
In 2T1R structures, for receiving signal, signal output interface is used to emit signal the signal input interface being mentioned above.But if
When id signal flows to by taking 1T2R as an example, the signal input interface being mentioned above can be used for transmitting signal, and signal output connects
Mouth can be used for receiving signal, therefore the signal input interface and the function of signal output interface that are mentioned above do not limit herein
It is fixed.
It please referring to Fig.2, Fig. 2 is a kind of structure diagram of microwave combiner provided by the embodiments of the present application, wherein, the knot
Structure can be the part-structure of microwave combiner, as antenna opening signal is combined device.As shown in Fig. 2, microwave combiner 200 includes
The 201, second common cavity of first common cavity (C1) (C2) 202, the 203, first impedance transformer of third common cavity (C3) (K1) 204 and
Second impedance transformer (K2) 205, wherein, each common cavity includes first interface, second interface and third interface；First is public
The first interface of chamber 201 is connected with the first signal input interface altogether, and the second interface of the first common cavity 201 connects with first antenna
Mouth is connected, and the third interface of the first common cavity 201 is connected with one end of the first impedance transformer 204；Second common cavity 202
First interface be connected with the other end of the first impedance transformer 204, the second interface of the second common cavity 202 is exported with signal
Interface is connected, and the third interface of the second common cavity 202 is connected with one end of the second impedance transformer 205；Third common cavity
203 first interface is connected with the other end of the second impedance transformer 205, the second interface of third common cavity 203 and second
Antennal interface is connected, and the third interface of third common cavity 203 is connected with second signal input interface.
As shown in figure 3, Fig. 3 is a kind of application scenarios schematic diagram of microwave combiner provided by the embodiments of the present application, wherein,
First antenna interface is the Ant1 206 in figure, and the second antennal interface is that Ant2 207, P1 and P3 in figure are the letter to be emitted
Number, P2 be the signal received, wherein, P1 and P2 can pass through the first common cavity 201, and P2 and P3 can pass through
Two common cavities 202, microwave combiner structure is similar with the structure referred in Fig. 2, is specifically not repeated herein.
It should be noted that the first common cavity 201, the second common cavity 202 and third common cavity 203 are resonator, it should
Resonator can be coaxial cavity resonator, can also be other resonators, such as micro-strip resonantor, specific resonator types are herein
It does not limit.It should be noted that the resonator is made of electric pole and capacitance, and supports N roads signal to pass through, N is whole more than 1
Number.
It should be noted that the electrical property of the first common cavity 201, the second common cavity 202 and third common cavity 203 and non-public affairs
Chamber is different altogether, and common cavity is among transmitting-receiving passband, and not common chamber resonant frequency is in respective passband.Such as, it in common cavity, receives
RX passbands are f1_RX~f2_RX.It is f1_TX~f2_TX to send TX passbands, it is assumed that RX frequencies are less than TX, the resonance frequency of common cavity
Rate is between f2_RX~f1_TX.
It should be noted that the first impedance transformer 204 and the second impedance transformer 205 are for adjusting the first access and the
The signal of two accesses than signal ratio, access of first access where the first impedance transformer 204, alternate path is the second resistance
Access where resistance parallel operation 205.In the present embodiment, by adjusting the first impedance transformer 204 and second in the application
Impedance transformer 205 can realize two-way (adjustment of S_Ant1_P2 and S_Ant2_P2 signals, such as 1:1；1:2；1:3 etc..
As shown in figure 4, Fig. 4 is another application scenarios schematic diagram of microwave combiner provided by the embodiments of the present application, by
In the signal received from ANT1 and ANT2 by same RX wave filters, influence ANT1-RX and ANT2-RX phase differences only has
Tap coupler Qe, common cavity frequency f0, impedance transformer K1, three factors.Influence of the difference of F0, K1 to phase can be neglected；
The influence of tap Qe, (analysis Qe 10% is fluctuated), is less than phase effect 10 degree, each factor influences RX phase equalizations
Not significantly, therefore the performance of module phase equalization can be improved using the microwave combiner 200 in the application.
Wherein, Fig. 5 corresponds to the corresponding circuit diagram P1-P3 isolation simulation result of microwave combiner for Fig. 4.
Fig. 6 is please referred to, Fig. 6 is a kind of another structure diagram of microwave combiner provided by the embodiments of the present application.Such as
Shown in Fig. 2, microwave combiner 200 includes the 201, second common cavity of the first common cavity (C1) (C2) 202, third common cavity (C3)
203rd, the first impedance transformer (K1) 204 and the second impedance transformer (K2) 205, wherein, each common cavity connects including first
Mouth, second interface and third interface；The first interface of first common cavity 201 is connected with the first signal input interface, and first is public
The second interface of chamber 201 is connected with first antenna interface altogether, the third interface and the first impedance transformer of the first common cavity 201
204 one end is connected；The first interface of second common cavity 202 is connected with the other end of the first impedance transformer 204, and second
The second interface of common cavity 202 is connected with signal output interface, and the third interface of the second common cavity 202 and the second impedance convert
One end of device 205 is connected；The first interface of third common cavity 203 is connected with the other end of the second impedance transformer 205, the
The second interface of three common cavities 203 is connected with the second antennal interface, and the third interface and second signal of third common cavity 203 are defeated
Incoming interface is connected.Wherein, it in order to improve the effect of combining, reduces and influences each other with what frequency combining was brought, in the present embodiment
Microwave combiner further includes cross coupling device (K3) 208, and the first common cavity 201 and third common cavity 203 further include the 4th and connect
Mouthful, wherein, one end of cross coupling device 208 is connected with the 4th interface of the first common cavity 201, cross coupling device 208
The other end be connected with the 4th interface of third common cavity 203.
Since embodiment introduces cross coupling device 208, proximal inhibition is enhanced, therefore P1- can be promoted>ANT1 with
P3->The isolation of ANT2.Wherein, simulation result, Fig. 7 is isolated to correspond to the corresponding circuit diagram P1-P3 of microwave combiner in Fig. 4 in Fig. 5
Simulation result is isolated for the corresponding circuit diagram P1-P3 of microwave combiner corresponding to Fig. 6.It is compared by the simulation result in Fig. 5 and Fig. 7
It is found that isolation can be promoted by increasing cross coupling device 208 between the first common cavity 201 and third common cavity 203.
As shown in figure 8, Fig. 8 is a kind of application scenarios schematic diagram of microwave combiner provided by the embodiments of the present application, wherein,
First antenna interface is the Ant1 206 in figure, and the second antennal interface is that Ant2 207, P1 and P3 in figure are the letter to be emitted
Number, P2 be the signal received, wherein, P1 and P2 can pass through the first common cavity 201, and P2 and P3 can pass through
Two common cavities 202, microwave combiner 200 include the 201, second common cavity of the first common cavity (C1) (C2) 202, third common cavity
(C3) the 203, first impedance transformer (K1) 204 and the second impedance transformer (K2) 205, wherein, each common cavity includes the
One interface, second interface and third interface；The first interface of first common cavity 201 is connected with the first signal input interface, the
The second interface of one common cavity 201 is connected with first antenna interface, and the third interface of the first common cavity 201 and the first impedance become
One end of parallel operation 204 is connected；The first interface of second common cavity 202 is connected with the other end of the first impedance transformer 204,
The second interface of second common cavity 202 is connected with signal output interface, the third interface of the second common cavity 202 and the second impedance
One end of converter 205 is connected；The first interface of third common cavity 203 is connected with the other end of the second impedance transformer 205
It connects, the second interface of third common cavity 203 is connected with the second antennal interface, the third interface of third common cavity 203 and second
Signal input interface is connected.Wherein, in order to improve the effect of combining, reduction influences each other with what frequency combining was brought, this implementation
Microwave combiner in example further includes cross coupling device (K3) 208, and the first common cavity 201 and third common cavity 203 further include
4th interface, wherein, one end of cross coupling device 208 is connected with the 4th interface of the first common cavity 201, cross-couplings dress
208 other end is put with the 4th interface of third common cavity 203 to be connected.
It should be noted that the first common cavity 201, the second common cavity 202 and third common cavity 203 are resonator, it should
Resonator can be coaxial cavity resonator, can also be other resonators, such as micro-strip resonantor, specific resonator types are herein
It does not limit.It should be noted that the resonator is made of electric pole and capacitance, and supports N roads signal to pass through, N is whole more than 1
Number.
It should be noted that the electrical property of the first common cavity 201, the second common cavity 202 and third common cavity 203 and non-public affairs
Chamber is different altogether, and common cavity is among transmitting-receiving passband, and not common chamber resonant frequency is in respective passband.Such as, it in common cavity, receives
RX passbands are f1_RX~f2_RX.It is f1_TX~f2_TX to send TX passbands, it is assumed that RX frequencies are less than TX, the resonance frequency of common cavity
Rate is between f2_RX~f1_TX.
It should be noted that the first impedance transformer 204 and the second impedance transformer 205 are for adjusting the first access and the
The signal of two accesses than signal ratio, access of first access where the first impedance transformer 204, alternate path is the second resistance
Access where resistance parallel operation 205.In the present embodiment, by adjusting the first impedance transformer 204 and second in the application
Impedance transformer 205 can realize two-way (adjustment of S_Ant1_P2 and S_Ant2_P2 signals, such as 1:1；1:2；1:3 etc..
Microwave combiner in the embodiment of the present application uses 2 grades or multistage (3 and 3 or more) common cavity realization multichannel
Combining achievees the purpose that reduce wave filter and 3dB combiners, so as to reduce the volume of wave filter.
It should be noted that the combining scheme of the application is mainly used for being combined with frequency, between different frequency range is equally applicable to
Combining.The application can be extended to the combining of more multichannel, such as 3 tunnels, 4 tunnels, 8 tunnels etc..The application can be applied to various forms filter
The combining of wave device (such as band logical, with resistance etc.).
Wherein, coupling the first impedance transformer 204 and the second impedance transformer between the common cavity in the application are adjusted
205, it can realize two-way (S_Ant1_P2 and S_Ant2_P2), the signal power of two-way is than adjustable, and such as 1:1；1:2；1:3
Deng.
Increase cross-couplings K3 between common cavity in this application, can promote two paths (S_Ant1_P1 and S_
Ant2_P3 the isolation between), reduction influence each other.
In the application, due to sharing a certain channel (TX or RX), there is improvement to the phase equalization index of the channel.
The above, above example are only to illustrate the technical solution of the application, rather than its limitations；Although with reference to before
Embodiment is stated the application is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding
The technical solution recorded in each embodiment is stated to modify or carry out equivalent replacement to which part technical characteristic；And these
Modification is replaced, the spirit and scope of each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of microwave combiner, which is characterized in that the microwave combiner includes the first common cavity, the second common cavity, third
Common cavity, the first impedance transformer and the second impedance transformer, wherein, each common cavity connects including at least first interface, second
Mouth and third interface；
The first interface of first common cavity is connected with the first signal input interface, the second interface of first common cavity
It is connected with first antenna interface, the third interface of first common cavity is connected with one end of first impedance transformer
It connects；
The first interface of second common cavity is connected with the other end of first impedance transformer, second common cavity
Second interface be connected with signal output interface, the third interface of second common cavity and second impedance transformer
One end is connected；
The first interface of the third common cavity is connected with the other end of second impedance transformer, the third common cavity
Second interface be connected with the second antennal interface, the third interface of the third common cavity is connected with second signal input interface
It connects.
2. microwave combiner according to claim 1, which is characterized in that the microwave combiner further includes cross-couplings dress
Put, first common cavity and the third common cavity further include the 4th interface, wherein, one end of the cross coupling device with
4th interface of first common cavity is connected, the other end of the cross coupling device and the 4th of the third common cavity
Interface is connected.
3. microwave combiner according to claim 1, which is characterized in that first common cavity, the second common cavity and
Three common cavities are resonator.
4. microwave combiner according to claim 3, which is characterized in that the resonator is made of electric pole and capacitance.
5. microwave combiner according to claim 3, which is characterized in that the microwave combiner supports N roads signal to pass through,
The N is the integer more than 1.
6. microwave combiner according to claim 3, which is characterized in that the resonant frequency of the resonator is in transmitting-receiving passband
Between.
7. microwave combiner according to any one of claim 3 to 6, which is characterized in that the resonator is coaxial cavity
Body resonator or micro-strip resonantor or dielectric resonator etc..
8. microwave combiner according to claim 2, which is characterized in that the cross coupling device is probe or ground connection gold
Belong to line or winged bar.
9. the microwave combiner according to claim 2 or 8, which is characterized in that the cross coupling device is logical for improving
Isolation performance between road.
10. microwave combiner according to any one of claim 1 to 6, which is characterized in that first impedance transformer
And second impedance transformer for adjust the signal of the first access and alternate path than signal ratio, first access is
Access where first impedance transformer, the alternate path are the access where second impedance transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711141266.8A CN108172956B (en) | 2017-11-16 | 2017-11-16 | A kind of microwave combiner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711141266.8A CN108172956B (en) | 2017-11-16 | 2017-11-16 | A kind of microwave combiner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108172956A true CN108172956A (en) | 2018-06-15 |
| CN108172956B CN108172956B (en) | 2019-09-20 |
Family
ID=62527438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711141266.8A Active CN108172956B (en) | 2017-11-16 | 2017-11-16 | A kind of microwave combiner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108172956B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112086720A (en) * | 2020-09-14 | 2020-12-15 | 天华(深圳)通信科技有限公司 | POI combiner for 5G base station and design method thereof |
| CN112910428A (en) * | 2019-11-19 | 2021-06-04 | 上海华为技术有限公司 | Combiner, chip and radio frequency power amplifier |
| CN113258230A (en) * | 2020-06-24 | 2021-08-13 | 中兴通讯股份有限公司 | Dielectric filter combining unit and dielectric multiplexer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201490308U (en) * | 2009-03-30 | 2010-05-26 | 安徽华东光电技术研究所 | Ultra wideband tri-frequency combiner |
| CN202308233U (en) * | 2009-01-08 | 2012-07-04 | Cts公司 | Compound filter possessing concave top patterns and cavity |
| CN202737070U (en) * | 2012-06-28 | 2013-02-13 | 安徽省瑞洋通讯设备有限公司 | Full-band high-performance dual-band combiner |
| US20160141742A1 (en) * | 2014-11-17 | 2016-05-19 | City University Of Hong Kong | N-way coaxial waveguide power divider/combiner |
| CN206332153U (en) * | 2016-12-13 | 2017-07-14 | 苏州波发特通讯技术股份有限公司 | Multichannel common cavity combiner |
| CN107275739A (en) * | 2017-08-16 | 2017-10-20 | 江苏凡为通信科技有限公司 | A kind of combiner |
-
2017
- 2017-11-16 CN CN201711141266.8A patent/CN108172956B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202308233U (en) * | 2009-01-08 | 2012-07-04 | Cts公司 | Compound filter possessing concave top patterns and cavity |
| CN201490308U (en) * | 2009-03-30 | 2010-05-26 | 安徽华东光电技术研究所 | Ultra wideband tri-frequency combiner |
| CN202737070U (en) * | 2012-06-28 | 2013-02-13 | 安徽省瑞洋通讯设备有限公司 | Full-band high-performance dual-band combiner |
| US20160141742A1 (en) * | 2014-11-17 | 2016-05-19 | City University Of Hong Kong | N-way coaxial waveguide power divider/combiner |
| CN206332153U (en) * | 2016-12-13 | 2017-07-14 | 苏州波发特通讯技术股份有限公司 | Multichannel common cavity combiner |
| CN107275739A (en) * | 2017-08-16 | 2017-10-20 | 江苏凡为通信科技有限公司 | A kind of combiner |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112910428A (en) * | 2019-11-19 | 2021-06-04 | 上海华为技术有限公司 | Combiner, chip and radio frequency power amplifier |
| CN112910428B (en) * | 2019-11-19 | 2024-03-01 | 上海华为技术有限公司 | Combiner, chip and radio frequency power amplifier |
| CN113258230A (en) * | 2020-06-24 | 2021-08-13 | 中兴通讯股份有限公司 | Dielectric filter combining unit and dielectric multiplexer |
| CN113258230B (en) * | 2020-06-24 | 2022-04-01 | 中兴通讯股份有限公司 | Dielectric filter combining unit and dielectric multiplexer |
| CN112086720A (en) * | 2020-09-14 | 2020-12-15 | 天华(深圳)通信科技有限公司 | POI combiner for 5G base station and design method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108172956B (en) | 2019-09-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105553494B (en) | A kind of radio-frequency front-end frequency selection circuit and its signal acceptance method | |
| CN106788472B (en) | The radio frequency front-end device and mobile terminal of carrier wave polymerization | |
| CN105720339B (en) | A kind of double frequency variable band-pass filter | |
| CN104604145A (en) | Transceiver front-end | |
| CN104362425B (en) | A kind of mobile terminal of shared NFC antenna | |
| CN106099370A (en) | Antenna system, harmonics restraint element and radio-frequency unit | |
| CN108172956B (en) | A kind of microwave combiner | |
| CN105428808A (en) | Antenna and terminal for transmitting and/or receiving multi-frequency-range wireless signals | |
| CN107735955A (en) | High-frequency front-end circuit | |
| CN205621831U (en) | Adjustable band pass filter of dual -frenquency | |
| CN106230471B (en) | A kind of radio circuit and mobile terminal of carrier wave polymerization | |
| CN105428807B (en) | A kind of multimode slot antenna and mobile terminal | |
| CN108449093A (en) | A kind of RF front-end circuit of terminal device and switchable radio frequency access | |
| CN103367843A (en) | Four-model resonator-based compact dual-passband high-temperature superconductive filter | |
| CN208385587U (en) | A kind of small-sized three band-pass filter with eight transmission zeros | |
| CN113824464A (en) | Antenna diplexer circuit, power amplifier transmitting module and mobile communication equipment | |
| JP2012028896A (en) | Branching filter | |
| CN104241797B (en) | Resonator and coaxial resonance duplexer for coaxial resonance duplexer | |
| CN104282970B (en) | A kind of DBR filters and DBR duplexers | |
| CN209642664U (en) | Medium POI | |
| CN209447995U (en) | Highly selective miniaturization pectination and interdigital mixing cavity configuration duplexer | |
| CN205621824U (en) | Five multiplexers of low pass - band -pass based on novel frequency separation structure | |
| JP2023503678A (en) | Filter circuits, duplexers, and communication equipment | |
| CN209448710U (en) | A kind of matched power amplifier of concurrent dual-passband | |
| CN205282616U (en) | Multichannel borders on high -power spiral multiplexer of type |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |