CN103151589A - Combining-dividing structure of cavity radio frequency device and cavity radio frequency device adopting same - Google Patents
Combining-dividing structure of cavity radio frequency device and cavity radio frequency device adopting same Download PDFInfo
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- CN103151589A CN103151589A CN2013100698184A CN201310069818A CN103151589A CN 103151589 A CN103151589 A CN 103151589A CN 2013100698184 A CN2013100698184 A CN 2013100698184A CN 201310069818 A CN201310069818 A CN 201310069818A CN 103151589 A CN103151589 A CN 103151589A
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Abstract
The invention discloses a combining-dividing structure of a cavity radio frequency device. The combining-dividing structure comprises a first access and a second access, which are arranged in a cavity, wherein combining output of signals can be realized by the first access and the second access through a combining port, the combining port comprises a port joint, an inner conductor arranged in the port joint and a metal sleeve sleeved on the inner conductor, an insulation layer is arranged between the inner conductor and the metal sleeve, wherein the first access is realized by a medium filter and comprises at least one medium harmonic oscillator, and an arc-shaped lead is introduced from the inner conductor and is coupled with the medium harmonic oscillator which is adjacent to the combining port; the second access is realized by a metal coaxial filter and comprises at least one resonant column, and a lead is introduced from the metal sleeve and is electrically connected with the resonant column, which is adjacent to the combining port, in the metal coaxial filter. The invention further discloses the cavity radio frequency device adopting the combining-dividing structure. The cavity radio frequency device has the advantages of novel structural design, simple structure and good intermodulation, and is suitable for mass production.
Description
Technical field
The present invention relates to a kind of signal combiner/technology, relate in particular to the combiner/structure of a kind of dielectric filter and metal coaxial filter and adopt the cavity radio frequency device of this structure.
Background technology
In present mobile communication technology, radio-frequency devices has become requisite important component part.Filter is as a kind of basic radio frequency unit, and a series of indexs such as its insertion loss, Out-of-band rejection, passive intermodulation and power capacity have important impact for the performance of complete machine.Traditional metal coaxial cavity filter is due to the reason of own loss, in the situation that limit cavity size, can't obtain very high quality factor (Q value), cause the indexs such as Out-of-band rejection, insertion loss to be subject to certain restriction, and the link such as the silver-plated processing in metal surface also can produce certain impact to the passive intermodulation index.
Dielectric filter has adopted a kind of ceramic medium material of high Q value, is a kind of novel filter with low insertion loss, the high inhibition, high intermodulation, the filter of Low Drift Temperature.Particularly the dielectric resonance of TE pattern is sub, its nonloaded Q is far away higher than traditional metal coaxial cavity harmonic oscillator, so the technical indicator performance of TE pattern dielectric filter also will be far superior to traditional metal filter, it is very little that the temperature of TE pattern dielectric filter is floated coefficient, can keep good index performance under the limiting temperature of high low temperature.
usually comprise multi-channel filter in modern passive radio frequency device, common a kind of application mode is exactly, comprise uplink and downlink two-way filter altogether, realize with TE pattern dielectric resonance for the filter that technical requirement is strict, realize for the cheap metallic cavity filter with conventional that index is relatively loose, two-way filter is carried out respectively difference in functionality, but the public road port that closes is arranged necessarily, TE pattern dielectric resonance is different from the electromagnetic field mode of metal coaxial cavity harmonic oscillator, processing mode according to routine is to realize closing the road, so how the road of closing for the treatment of media filter and metal filter is exactly a problem demanding prompt solution.
Summary of the invention
The objective of the invention is for overcoming above-mentioned problem, a kind of cavity radio frequency device of realizing the structure of dielectric filter and metal coaxial filter combiner/and comprising this combiner/structure is provided.
For reaching above technical purpose, the technical solution used in the present invention is as follows:
the combiner/structure of cavity radio frequency device, comprise the first path and the alternate path that are arranged in cavity, described the first path and alternate path by one close that road port realizes signal close road output, the described road port that closes comprises port joint, the inner wire of establishing in this port joint and the metal sleeve that is set on this inner wire, be provided with insulating barrier between described inner wire and metal sleeve, wherein, described the first path is realized by dielectric filter, described dielectric filter comprises at least one dielectric resonance, this closes the dielectric resonance coupling of road port to draw arc wire and next-door neighbour from described inner wire, described alternate path is by the realization of metal coaxial filter, and described metal coaxial filter comprises at least one resonant column, draws from described metal sleeve and is close to resonant column electric connection that this closes road port wire and described metal coaxial filter.
Particularly, described dielectric resonance dielectric resonance that is the TE pattern.
Further, the sub-concentric setting of described arc wire and dielectric resonance.
Selectively, described arc wire and inner wire are of coupled connections or are welded to connect.The free-end of described arc wire is fixed in filter cavity by dielectric.Selectively, the free-end of described arc wire is fixed on described cavity bottom.More preferably, described cavity is provided with the spaced walls of separating described the first path and alternate path, and the free-end of described arc wire is fixed on described spaced walls.
Further, the wire in described alternate path is of coupled connections, is welded to connect or contact with described metal sleeve and is connected.Wire in described alternate path and described resonant column are of coupled connections or are welded to connect.
More preferably, described the first path and alternate path physical isolation.Described inner wire passes the cavity of described alternate path, and this inner wire end is arranged in the cavity of described the first path.Described metal sleeve is set on a section of cavity that described inner wire is positioned at alternate path.
Cavity radio frequency device, it adopts the combiner/structure of foregoing cavity radio frequency device.
Compared with prior art, the present invention has following advantage: the combiner/structure of dielectric filter of the present invention and metal coaxial filter has realized in same cavity radio frequency device, TE pattern dielectric filter and metal coaxial cavity filter close the setting on road, thereby realized to comprise simultaneously independent dielectric filter and metal coaxial filter in same cavity radio frequency device, the mentality of designing of cavity radio frequency device has been expanded in this invention, promoted cavity radio frequency device, especially the design level of filter; Its structural design is simple, and high conformity is debugged very conveniently, needn't repeatedly tear lid open, enhances productivity, and has guaranteed good intermodulation performance, and is suitable for batch production.
Description of drawings
Fig. 1 is the stereochemical structure exploded view of embodiment of the combiner/structure of cavity radio frequency device of the present invention.
Fig. 2 is the vertical view of embodiment of the combiner/structure of cavity radio frequency device of the present invention, and its cover plate is not shown.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 1, in the stereochemical structure exploded view of the embodiment of the combiner/structure of cavity radio frequency device of the present invention, show the partial structurtes of the cavity devices that adopts this kind combiner/structure, comprise the dielectric filter 4 and the metal coaxial filter 5 that are contained in the space that cavity 1 and cover plate 2 cover formation mutually, also comprise being arranged on and close road port 3 on described cavity 1 sidewall, export after being used for to close the road by the signal of described dielectric filter 4 and metal coaxial filter 5.
With reference to figure 1 and Fig. 2, described dielectric filter 4 and metal coaxial filter 5 are realized physical isolation by the spaced walls 11 in described cavity 1, phase mutual interference with the signal that reduces these two signal paths, in the present embodiment, the cavity of described metal coaxial filter 5 is near the described road port 3 that closes, and the cavity of described dielectric filter 4 is arranged on the cavity side of described metal coaxial filter 5.Described dielectric filter 4 is to refer in particular to the dielectric filter that adopts the TE pattern, comprises dielectric resonance of at least one the TE pattern that is arranged in its signal path, and it realizes that by being close to described dielectric resonance 41 that closes road port 3 signal closes the road; Described metal coaxial filter 5 comprises the coaxial resonant column of at least one metal, and similarly, it realizes that by being close to the described resonant column 51 that closes road port 3 signal closes the road.
The described road port 3 that closes comprises the inner wire 32 of establishing in port joint 31, this port joint 31 and is set in metal sleeve 33 on this inner wire 32; Described inner wire 32 is drawn from port joint 31, pass the cavity of described metal coaxial filter 5, arrive the cavity of described dielectric filter 4, wherein, one section of being exposed in described metal coaxial filter 5 cavitys of this inner wire 32 is arranged with described metal sleeve 33,33 of this inner wire 32 and metal sleeves are provided with insulating barrier (not shown), and the end of this inner wire 32 does not contact with described dielectric resonance 41 simultaneously.
The described inner wire 32 that closes road port 3 is drawn one section arc wire 42 along its end in described dielectric filter 4 cavitys, and the center of circle of described arc wire 42 overlaps or roughly overlaps with the center of circle of described dielectric resonance 41 cylinders, forms concentric structure; One end of this arc wire 42 and the end of inner wire 32 are of coupled connections or are welded to connect, the other end of this arc wire 42 is free, be fixed on by dielectric 43 in the cavity of described dielectric filter 4, selectively, the free-end of this arc wire 42 is fixed on the cavity bottom of dielectric filter 4, more preferably, as shown in Figure 2, the free-end of this arc wire 42 is fixed on described spaced walls 11.Described metal coaxial filter 5 is realized being electrically connected with the described road port 3 that closes by a wire 52 of drawing from the described metal sleeve 33 that closes road port 3, and particularly, this wire 52 is connected with described resonant column 51.One end of described wire 52 can be connected by being of coupled connections, being welded to connect or contacting with metal sleeve 33, and the other end of this wire 52 and described resonant column 51 can be by being of coupled connections or being welded to connect; Described connected mode can be selected according to concrete specification requirement.The preferred copper facing silver of described arc wire 42 and wire 52 line.
Described dielectric filter 4 has different working frequency range from metal coaxial filter 5, so both can not produce co-channel interference when closing the road, and the main source of its interference is that the distribution of port bandwidth brings.The opening direction of described arc wire 42, arc length, thickness and radius etc. all affect the port bandwidth of described dielectric filter 4, and for example, this arc wire 42 is thicker, and described dielectric resonance 41 of distance is nearer, and the assigned bandwidth of dielectric filter 4 is wider; The level altitude of described wire 52, length and thickness etc. have a significant impact the port bandwidth of described metal coaxial filter 5, and for example, described wire 52 is highly higher, thicker, and the assigned bandwidth of described metal coaxial filter 5 is wider.The setting of described arc wire 42 and wire 52 be mutually involve, interactional, the port bandwidth of adjusting on any path must exert an influence to the port bandwidth of an other path, therefore, described arc wire 42 need to be debugged repeatedly with arranging of wire 52.
In sum, the combiner/structural design of cavity radio frequency device of the present invention is novel, simple in structure, intermodulation good, is suitable for batch production.
The present invention also provides a kind of cavity radio frequency device, includes but not limited to combiner/device, filter, duplexer, and it adopts foregoing combiner/structure, does not repeat them here.
Above-described embodiment is the better execution mode of the present invention; but not merely be restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present invention and principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, within all being included in protection scope of the present invention.
Claims (13)
1. the combiner/structure of cavity radio frequency device, comprise the first path and the alternate path that are arranged in cavity, described the first path and alternate path by one close that road port realizes signal close road output, the described road port that closes comprises port joint, the inner wire of establishing in this port joint and the metal sleeve that is set on this inner wire, be provided with insulating barrier between described inner wire and metal sleeve, it is characterized in that: described the first path is realized by dielectric filter, described dielectric filter comprises at least one dielectric resonance, this closes the dielectric resonance coupling of road port to draw arc wire and next-door neighbour from described inner wire, described alternate path is by the realization of metal coaxial filter, and described metal coaxial filter comprises at least one resonant column, draws from described metal sleeve and is close to resonant column electric connection that this closes road port wire and described metal coaxial filter.
2. the combiner/structure of cavity radio frequency device as claimed in claim 1, is characterized in that: dielectric resonance that described dielectric resonance is the TE pattern.
3. the combiner/structure of cavity radio frequency device as claimed in claim 2, is characterized in that: the sub-concentric setting of described arc wire and dielectric resonance.
4. the combiner/structure of cavity radio frequency device as claimed in claim 3, it is characterized in that: described arc wire and inner wire are of coupled connections or are welded to connect.
5. the combiner/structure of cavity radio frequency device as claimed in claim 3, it is characterized in that: the free-end of described arc wire is fixed in filter cavity by dielectric.
6. the combiner/structure of cavity radio frequency device as claimed in claim 5, it is characterized in that: the free-end of described arc wire is fixed on described cavity bottom.
7. the combiner/structure of cavity radio frequency device as claimed in claim 5 is characterized in that: described cavity is provided with the spaced walls of separating described the first path and alternate path, and the free-end of described arc wire is fixed on described spaced walls.
8. the combiner/structure of cavity radio frequency device as claimed in claim 1, it is characterized in that: the wire in described alternate path is of coupled connections, is welded to connect or contact with described metal sleeve and is connected.
9. the combiner/structure of cavity radio frequency device as claimed in claim 1, it is characterized in that: the wire in described alternate path and described resonant column are of coupled connections or are welded to connect.
10. as the combiner/structure of the described cavity radio frequency device of claim 1-9 any one, it is characterized in that: described the first path and alternate path physical isolation.
11. the combiner/structure of cavity radio frequency device as claimed in claim 10 is characterized in that: described inner wire passes the cavity of described alternate path, this inner wire end is arranged in the cavity of described the first path.
12. the combiner/structure of cavity radio frequency device as claimed in claim 11 is characterized in that: described metal sleeve is set on a section of cavity that described inner wire is positioned at alternate path.
13. a cavity radio frequency device is characterized in that: it adopts the combiner/structure as the described cavity radio frequency device of claim 1-12 any one.
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| CN201310069818.4A CN103151589B (en) | 2013-03-05 | 2013-03-05 | The combiner structure of cavity radio frequency device and adopt the cavity radio frequency device of this structure |
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| CN201310069818.4A CN103151589B (en) | 2013-03-05 | 2013-03-05 | The combiner structure of cavity radio frequency device and adopt the cavity radio frequency device of this structure |
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| CN103151589B CN103151589B (en) | 2015-09-09 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105633520A (en) * | 2016-03-01 | 2016-06-01 | 西南交通大学 | Dual-band narrow-band band-pass dielectric filter |
| CN106785275A (en) * | 2017-02-17 | 2017-05-31 | 京信通信系统（中国）有限公司 | Double-deck chamber combiner and its public port device |
| CN112544012A (en) * | 2019-07-23 | 2021-03-23 | 深圳市大富科技股份有限公司 | Filter, communication and radio frequency remote equipment, transceiver and tower top amplifier |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020145490A1 (en) * | 2001-04-04 | 2002-10-10 | Adc Telecommunications, Inc. | Filter structure including circuit board |
| CN1469665A (en) * | 2002-06-12 | 2004-01-21 | ���µ�����ҵ��ʽ���� | Dielectric wave filter, communication apparatus and method for controlling resonant frequency |
| US6806791B1 (en) * | 2000-02-29 | 2004-10-19 | Radio Frequency Systems, Inc. | Tunable microwave multiplexer |
| CN101267219A (en) * | 2007-03-12 | 2008-09-17 | 京信通信系统（中国）有限公司 | Ultra-broadband dual-frequency channel merger |
| KR20080114104A (en) * | 2007-06-26 | 2008-12-31 | 주식회사 케이엠더블유 | Filter combiner/divider |
| CN102064370A (en) * | 2009-11-16 | 2011-05-18 | 安徽信安通讯技术有限公司 | Mixed filtering combiner |
| CN202004129U (en) * | 2010-10-29 | 2011-10-05 | 合肥恒和通信有限公司 | CDMA (Code Division Multiple Access)/ GSM (Global System for Mobile Communication)/ WCDMA (Wideband Code Division Multiple Access) triple-frequency combiner |
| CN202103148U (en) * | 2011-05-20 | 2012-01-04 | 京信通信系统（中国）有限公司 | Coupling structure of dielectric resonator and coaxial cavity resonator |
| CN203242727U (en) * | 2013-03-05 | 2013-10-16 | 京信通信系统（中国）有限公司 | A channel dividing and combining structure of a cavity radio frequency device and a cavity radio frequency device using the channel dividing and combining structure |
-
2013
- 2013-03-05 CN CN201310069818.4A patent/CN103151589B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6806791B1 (en) * | 2000-02-29 | 2004-10-19 | Radio Frequency Systems, Inc. | Tunable microwave multiplexer |
| US20020145490A1 (en) * | 2001-04-04 | 2002-10-10 | Adc Telecommunications, Inc. | Filter structure including circuit board |
| CN1469665A (en) * | 2002-06-12 | 2004-01-21 | ���µ�����ҵ��ʽ���� | Dielectric wave filter, communication apparatus and method for controlling resonant frequency |
| CN101267219A (en) * | 2007-03-12 | 2008-09-17 | 京信通信系统（中国）有限公司 | Ultra-broadband dual-frequency channel merger |
| KR20080114104A (en) * | 2007-06-26 | 2008-12-31 | 주식회사 케이엠더블유 | Filter combiner/divider |
| CN102064370A (en) * | 2009-11-16 | 2011-05-18 | 安徽信安通讯技术有限公司 | Mixed filtering combiner |
| CN202004129U (en) * | 2010-10-29 | 2011-10-05 | 合肥恒和通信有限公司 | CDMA (Code Division Multiple Access)/ GSM (Global System for Mobile Communication)/ WCDMA (Wideband Code Division Multiple Access) triple-frequency combiner |
| CN202103148U (en) * | 2011-05-20 | 2012-01-04 | 京信通信系统（中国）有限公司 | Coupling structure of dielectric resonator and coaxial cavity resonator |
| CN203242727U (en) * | 2013-03-05 | 2013-10-16 | 京信通信系统（中国）有限公司 | A channel dividing and combining structure of a cavity radio frequency device and a cavity radio frequency device using the channel dividing and combining structure |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105633520A (en) * | 2016-03-01 | 2016-06-01 | 西南交通大学 | Dual-band narrow-band band-pass dielectric filter |
| CN105633520B (en) * | 2016-03-01 | 2018-09-21 | 西南交通大学 | A kind of double frequency narrow-band bandpass dielectric filter |
| CN106785275A (en) * | 2017-02-17 | 2017-05-31 | 京信通信系统（中国）有限公司 | Double-deck chamber combiner and its public port device |
| CN106785275B (en) * | 2017-02-17 | 2020-11-06 | 京信通信技术(广州)有限公司 | Double-layer cavity combiner and public port device thereof |
| CN112544012A (en) * | 2019-07-23 | 2021-03-23 | 深圳市大富科技股份有限公司 | Filter, communication and radio frequency remote equipment, transceiver and tower top amplifier |
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| Publication number | Publication date |
|---|---|
| CN103151589B (en) | 2015-09-09 |
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Effective date of registration: 20200119 Address after: 510730 Guangdong city of Guangzhou province Guangzhou economic and Technological Development Zone Jinbi Road No. 6 Patentee after: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Address before: 510663 Guangzhou Science City, Guangdong Shenzhou Road, No. 10 Patentee before: COMBA TELECOM SYSTEMS (CHINA) Ltd. |
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Effective date of registration: 20230804 Address after: 510730, No. 6, Jin Lu, Guangzhou economic and Technological Development Zone, Guangdong, Guangzhou Patentee after: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Patentee after: COMBA TELECOM SYSTEMS (GUANGZHOU) Ltd. Address before: 510730, No. 6, Jin Lu, Guangzhou economic and Technological Development Zone, Guangdong, Guangzhou Patentee before: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. |