CN201417813Y - Capacitive coupling interaction structure based on coaxial cavity resonator - Google Patents
Capacitive coupling interaction structure based on coaxial cavity resonator Download PDFInfo
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- CN201417813Y CN201417813Y CN 200920131416 CN200920131416U CN201417813Y CN 201417813 Y CN201417813 Y CN 201417813Y CN 200920131416 CN200920131416 CN 200920131416 CN 200920131416 U CN200920131416 U CN 200920131416U CN 201417813 Y CN201417813 Y CN 201417813Y
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- resonator
- cover plate
- coaxial cavity
- supporter
- bar
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- 230000008878 coupling Effects 0.000 title claims abstract description 20
- 238000010168 coupling process Methods 0.000 title claims abstract description 20
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 20
- 230000003993 interaction Effects 0.000 title abstract 5
- 239000004020 conductor Substances 0.000 claims abstract description 31
- 238000006880 cross-coupling reaction Methods 0.000 claims description 27
- 238000003466 welding Methods 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 6
- 238000005457 optimization Methods 0.000 abstract 1
- 230000003313 weakening effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 230000005764 inhibitory process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
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Abstract
The utility model discloses a capacitive coupling interaction structure based on a coaxial cavity resonator. The capacitive coupling interaction structure comprises a resonator housing, a resonator cover plate and a supporting body fly bar, wherein, the supporting body fly bar is supported in the resonator housing by an insulating medium; one end of a connection conductor is fixed at one end of the supporting body fly bar and electrically connected with the supporting body fly bar; and the other end of the connection conductor is fixed on the resonator cover plate and electrically connected with the resonator cover plate. The capacitive coupling interaction structure adopts an additional structure of the supporting body fly bar, and the conductor is welded at one end of the fly bar and connected with the cover plate of a coaxial cavity filter in a conduction manner, so that short circuit is realized, the coupling of the supporting body fly bar can be enhanced, and the length of the flybar is shortened equivalently, and the purpose of weakening high-frequency harmonic of the fly bar is achieved. The capacitive coupling interaction structure characterized by simple structure can well inhibit the high-frequency interference caused by the fly bar based on out-band rejection and pass-band performance of the filter, and is a useful means during the optimization process of the coaxial cavity filter.
Description
[technical field]
The utility model relates to radio frequency and the microwave filter in the wireless communication field, more specifically says so based on the capacitive cross coupling structure in the filter of coaxial cavity resonator.
[background technology]
For satisfying the more and more higher requirement of system operator to performance of filter, coaxial cavity filter has extensively adopted the cross-couplings technology with precipitous band external characteristic, generally with the cross-linked form of three chamber cross-couplings or four chambeies as element circuit, thereby produce the outer transmission of band zero point.
The capacitive cross-couplings method of being used in a large number at present is that supporter flies bar, but sometimes because supporter flies the unnecessary radio-frequency component of bar generation going along with, causes frequency aliasing, the easiest generation in the high band filter of this situation.The main cause that produces this situation is that frequency is high more, and quarter-wave is short more, if supporter flew bar and reached certain-length this moment, just is easy to generate high order harmonic component, and it is long more to fly pole length, and high order harmonic component is obvious more.If there is not the effect of low pass filter, may cause the high frequency technique index that can't realize that system operator is required.
[summary of the invention]
Technical problem to be solved in the utility model is, overcome the supporter that exists in the existing coaxial filter capacitive cross coupling structure and fly the defective that bar may produce high order harmonic component, a kind of simple coaxial cavity resonator capacitive cross coupling structure is provided, can effectively weaken because of supporter and fly the high order harmonic component that bar causes, reduce High-frequency Interference, thereby be implemented under the no low pass filter situation or the high frequency technique index in low pass filter inhibition frequency range not.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is, a kind of coaxial cavity resonator capacitive cross coupling structure comprises that resonator cavities, resonator cover plate, supporter fly bar, and described supporter flies bar and is bearing in the resonator cavities by dielectric.This coupled structure also comprises bonding conductor, and described bonding conductor one end is fixed on the end that supporter flies bar, flies bar with supporter and is electrically connected; The other end is fixed on the resonator cover plate, is electrically connected with the resonator cover plate.
Above-described coaxial cavity resonator capacitive cross coupling structure, described bonding conductor is fixed by welding in the end that supporter flies bar.
Above-described coaxial cavity resonator capacitive cross coupling structure, described supporter flies bar and comprises that supporter flies the bar body and is installed in the coupling disc that supporter flies bar body two ends, one end of described bonding conductor is fixed on the coupling disc, is electrically connected with coupling disc; The other end is fixed on the resonator cover plate, is electrically connected with the resonator cover plate.
Above-described coaxial cavity resonator capacitive cross coupling structure, described bonding conductor is fixed by welding on the coupling disc.
Above-described coaxial cavity resonator capacitive cross coupling structure, comprise adapter sleeve, the fixing end of described bonding conductor and resonator lid is fixed in the adapter sleeve, and described adapter sleeve passes the installing hole on the resonator cover plate, removably is fixed on the resonator cover plate.
Above-described coaxial cavity resonator capacitive cross coupling structure welds between described bonding conductor and the adapter sleeve.
Above-described coaxial cavity resonator capacitive cross coupling structure, described bonding conductor is silver-colored line or copper cash.
The utility model uses supporter to fly the additional structure of bar, be connected with the conducting of coaxial cavity filter cover plate at an end welding conductors that flies bar, realize short circuit, can strengthen the coupling that supporter flies bar, be equivalent to shorten flying pole length, weaken the purpose that flies the bar high-frequency harmonic thereby reach.The utility model is simple in structure, this structure can outside not changing the filter band, suppress and the basis of band-pass behavior on, fine inhibition flies the High-frequency Interference that bar produces, and is a kind of practical means in the coaxial cavity filter optimizing process.
[description of drawings]
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is the schematic diagram of a kind of coaxial cavity resonator capacitive of prior art cross coupling structure.
Fig. 2 is the schematic diagram of the another kind of coaxial cavity resonator capacitive of prior art cross coupling structure.
Fig. 3 is the structural representation of the embodiment 1 of the utility model coaxial cavity resonator capacitive cross coupling structure.
Fig. 4 is the structural representation of the embodiment 2 of the utility model coaxial cavity resonator capacitive cross coupling structure.
Parts title in Fig. 1 to Fig. 4 is:
1. resonator cavities; 2. resonator cover plate; 3. supporter flies the dielectric of bar;
4. supporter flies the bar body; 5. coupling disc; 6. adapter sleeve;
7 bonding conductors; 8. solder joint.
[embodiment]
In the embodiment 1 of the utility model coaxial cavity resonator capacitive cross-couplings knot shown in Figure 3, comprise that resonator cavities 1, resonator cover plate 2, supporter fly bar body 4, bonding conductor 7, supporter fly bar body 4 and are bearing in the resonator cavities 1 by dielectric.Bonding conductor 7 one ends are welded on the end that supporter flies bar body 4, realize that flying bar body 4 with supporter is electrically connected; Bonding conductor 7 is fixed by welding in the adapter sleeve 6 with the end that the resonator lid is fixed, and adapter sleeve 6 passes the installing hole on the resonator cover plate 2, removably is fixed on the resonator cover plate 2.Realize that bonding conductor 7 is electrically connected with resonator cover plate 2.
In the embodiment 2 of the utility model coaxial cavity resonator capacitive cross-couplings knot shown in Figure 4, supporter flies bar and comprises that supporter flies bar body 4 and is installed in the coupling disc 5 that supporter flies bar body 4 two ends, one end of bonding conductor 7 is fixed by welding on the coupling disc 5, is electrically connected with coupling disc 5; The other end is fixed by welding in the adapter sleeve 6, and adapter sleeve 6 passes the installing hole on the resonator cover plate 2, removably is fixed on the resonator cover plate 2.Realize that bonding conductor 7 is electrically connected with resonator cover plate 2.
More than bonding conductor 7 among two embodiment can be metallic conductors such as silver-colored line or copper cash.
The utility model uses supporter to fly the additional structure of bar body 4, at an end welding conductors that flies bar (as silver-colored line, metallic conductors such as copper cash), be connected with the conducting of coaxial cavity filter cover plate, realize short circuit, can strengthen the coupling that supporter flies bar body 4, be equivalent to shorten flying pole length, weaken the purpose that flies the bar high-frequency harmonic thereby reach.The utility model is simple in structure, this structure can outside not changing the filter band, suppress and the basis of band-pass behavior on, fine inhibition flies the High-frequency Interference that bar produces, and is a kind of practical means in the coaxial cavity filter optimizing process.
Claims (7)
1, a kind of coaxial cavity resonator capacitive cross coupling structure, comprise that resonator cavities, resonator cover plate, supporter fly bar, described supporter flies bar and is bearing in the resonator cavities by dielectric, it is characterized in that, comprise bonding conductor, described bonding conductor one end is fixed on the end that supporter flies bar, flies bar with supporter and is electrically connected; The other end is fixed on the resonator cover plate, is electrically connected with the resonator cover plate.
2, coaxial cavity resonator capacitive cross coupling structure according to claim 1 is characterized in that, described bonding conductor is fixed by welding in the end that supporter flies bar.
3, coaxial cavity resonator capacitive cross coupling structure according to claim 1, it is characterized in that, described supporter flies bar and comprises that supporter flies the bar body and is installed in the coupling disc that supporter flies bar body two ends, one end of described bonding conductor is fixed on the coupling disc, is electrically connected with coupling disc; The other end is fixed on the resonator cover plate, is electrically connected with the resonator cover plate.
4, coaxial cavity resonator capacitive cross coupling structure according to claim 3 is characterized in that described bonding conductor is fixed by welding on the coupling disc.
5, according to the described coaxial cavity resonator capacitive of arbitrary claim cross coupling structure in the claim 1 to 4, it is characterized in that, comprise adapter sleeve, the fixing end of described bonding conductor and resonator lid is fixed in the adapter sleeve, described adapter sleeve passes the installing hole on the resonator cover plate, removably is fixed on the resonator cover plate.
6, coaxial cavity resonator capacitive cross coupling structure according to claim 5 is characterized in that, welds between described bonding conductor and the adapter sleeve.
7, according to the described coaxial cavity resonator capacitive of arbitrary claim cross coupling structure in the claim 1 to 4, it is characterized in that described bonding conductor is silver-colored line or copper cash.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920131416 CN201417813Y (en) | 2009-05-06 | 2009-05-06 | Capacitive coupling interaction structure based on coaxial cavity resonator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920131416 CN201417813Y (en) | 2009-05-06 | 2009-05-06 | Capacitive coupling interaction structure based on coaxial cavity resonator |
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| Publication Number | Publication Date |
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| CN201417813Y true CN201417813Y (en) | 2010-03-03 |
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| CN 200920131416 Expired - Fee Related CN201417813Y (en) | 2009-05-06 | 2009-05-06 | Capacitive coupling interaction structure based on coaxial cavity resonator |
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| CN (1) | CN201417813Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101800347A (en) * | 2010-03-29 | 2010-08-11 | 京信通信系统（中国）有限公司 | Cavity radio frequency device and fly bar thereof for capacitive cross coupling |
| CN101950832A (en) * | 2010-10-29 | 2011-01-19 | 昆山锦泰电子器材有限公司 | Filter |
| CN102361117A (en) * | 2011-09-29 | 2012-02-22 | 武汉虹信通信技术有限责任公司 | Capacitive cross coupling flying bar and coaxial cavity resonator thereof |
| CN103633402A (en) * | 2013-12-16 | 2014-03-12 | 华为技术有限公司 | Duplexer and communication system with the duplexer |
| CN104282967A (en) * | 2014-10-13 | 2015-01-14 | 世达普(苏州)通信设备有限公司 | Coaxial cavity filter with transmission zero point structure |
| CN108232384A (en) * | 2018-03-20 | 2018-06-29 | 摩比天线技术（深圳）有限公司 | Coaxial cavity filter |
| CN108649303A (en) * | 2018-07-13 | 2018-10-12 | 京信通信系统（中国）有限公司 | A kind of capacitive coupling interaction structure and cavity body filter |
| CN111987398A (en) * | 2020-09-01 | 2020-11-24 | 苏州诺泰信通讯有限公司 | Super Capacitive Coupling Structure |
| CN113922022A (en) * | 2021-10-25 | 2022-01-11 | 苏州诺泰信通讯有限公司 | Superstrong capacitive coupling implementation structure |
-
2009
- 2009-05-06 CN CN 200920131416 patent/CN201417813Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101800347A (en) * | 2010-03-29 | 2010-08-11 | 京信通信系统（中国）有限公司 | Cavity radio frequency device and fly bar thereof for capacitive cross coupling |
| CN101950832A (en) * | 2010-10-29 | 2011-01-19 | 昆山锦泰电子器材有限公司 | Filter |
| CN102361117B (en) * | 2011-09-29 | 2014-04-02 | 武汉虹信通信技术有限责任公司 | Capacitive cross coupling flying bar and coaxial cavity resonator thereof |
| CN102361117A (en) * | 2011-09-29 | 2012-02-22 | 武汉虹信通信技术有限责任公司 | Capacitive cross coupling flying bar and coaxial cavity resonator thereof |
| CN103633402B (en) * | 2013-12-16 | 2016-08-17 | 华为技术有限公司 | Duplexer and communication system having the same |
| CN103633402A (en) * | 2013-12-16 | 2014-03-12 | 华为技术有限公司 | Duplexer and communication system with the duplexer |
| US9929713B2 (en) | 2013-12-16 | 2018-03-27 | Huawei Technologies Co., Ltd. | Duplexer and communications system having duplexer |
| CN104282967A (en) * | 2014-10-13 | 2015-01-14 | 世达普(苏州)通信设备有限公司 | Coaxial cavity filter with transmission zero point structure |
| CN108232384A (en) * | 2018-03-20 | 2018-06-29 | 摩比天线技术（深圳）有限公司 | Coaxial cavity filter |
| CN108649303A (en) * | 2018-07-13 | 2018-10-12 | 京信通信系统（中国）有限公司 | A kind of capacitive coupling interaction structure and cavity body filter |
| WO2020010984A1 (en) * | 2018-07-13 | 2020-01-16 | 京信通信系统（中国）有限公司 | Capacitive cross-coupling structure and cavity filter |
| EP3823090A4 (en) * | 2018-07-13 | 2022-04-20 | Comba Telecom Technology (Guangzhou) Limited | CAPACITIVE CROSS-COUPLING STRUCTURE AND CAVITY FILTER |
| CN111987398A (en) * | 2020-09-01 | 2020-11-24 | 苏州诺泰信通讯有限公司 | Super Capacitive Coupling Structure |
| CN113922022A (en) * | 2021-10-25 | 2022-01-11 | 苏州诺泰信通讯有限公司 | Superstrong capacitive coupling implementation structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100303 Termination date: 20160506 |