CN102683779A - Communication cavity device and elliptic function type high-pass filtering channel thereof - Google Patents
Communication cavity device and elliptic function type high-pass filtering channel thereof Download PDFInfo
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- CN102683779A CN102683779A CN201210157456XA CN201210157456A CN102683779A CN 102683779 A CN102683779 A CN 102683779A CN 201210157456X A CN201210157456X A CN 201210157456XA CN 201210157456 A CN201210157456 A CN 201210157456A CN 102683779 A CN102683779 A CN 102683779A
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Abstract
The invention discloses an elliptic function type high-pass filtering channel, which comprises a cavity and a cover plate, wherein the cavity is provided with a lengthwise hollow cavity; a plurality of conductor rods which are sequentially and capacitively coupled are arranged along a lengthwise direction linearity of the hollow cavity; the conductor rods at two ends of the lengthwise direction are respectively and capacitively coupled with two connection ports arranged on the cavity; ends for realizing capacitive coupling are arranged between the adjacent conductor rods and/or the conductor rods and one connection ports; a sleeve is formed by a first end and a core column is formed by a second end; a core column of the second end is placed in the sleeve of the first end to form an open circuit coaxial cable, so as to realize the capacitive coupling; a coupling element is further arranged between the first end and the second end; the coupling element is a sheet-shaped medium piece which has two sides covered by conductive layers and is used for the core column to pass through; the two conductive layers are respectively connected with the first end and the second end. The high-pass filtering channel has the characteristics of simple structure, convenience for tuning, wide pass band, small insertion loss, high out-of-band suppression degree and the like.
Description
[technical field]
The present invention relates to a kind of communication cavity devices that is used for signal of communication is carried out high-pass filtering, be specifically related to a kind of elliptic function type high-pass filtering path.
[background technology]
Along with the development of the integration of three networks, various demands have been produced by the road of closing of radio and television frequency range and mobile communication frequency range.Radio data system and GSM close Lu Youqi particularity; Need higher isolation on the one hand between two systems; On the other hand because whole mobile communication frequency range is wideer relatively; Make the mode that mixer is realized by band pass filter on the traditional concept to satisfy the demands, at this moment, just need adopt high pass filter just can deal with problems.
Traditional high pass filter tends to adopt series capacitance, but series capacitance itself is difficult to realization, thereby generally adopts the mode of lumped parameter.Yet there are birth defects such as loss is big, standing wave is big in the high pass filter that the lumped parameter mode realizes, has limited its application.
The CN2059532U patent announcement; Disclose a kind of low-loss broadband high-pass filter, it adopts the mode of coaxial transmission line to realize Chebyshev's type high pass filter, and structure is unique; But the high application scenarios of the outer inhibition of, band narrow for transition band still can't satisfy the demands.
On the other hand, the technical scheme that the CN2059532U patent announcement is disclosed, its structure is solidified basically, is not easy to the various parameters of flexible, does not have for product diversification and benefits.
[summary of the invention]
Primary and foremost purpose of the present invention is to overcome above-mentioned deficiency, provide a kind of structure flexibly, excellent electrical properties and satisfy the elliptic function type high-pass filtering path that the integration of three networks is used.
Another object of the present invention is to provide communication cavity devices such as a kind of mixer/duplexer/filter that comprises said elliptic function type high-pass filtering path.
For realizing the object of the invention, the present invention adopts following technical scheme:
Elliptic function type high-pass filtering path of the present invention; Comprise the cavity and the cover plate of lid dress mutually; Said cavity is provided with lengthwise type cavity; Along cavity longitudinally linear array a plurality of capacitively coupled successively stubs are set, in the stub at these longitudinally two ends respectively with this cavity on two connectivity port capacitives couplings being provided with, in addition:
Be used to realize capacitively coupled each end between the adjacent conductor rod and/or between stub and the connectivity port, wherein first end forms sleeve, and second end forms stem stem, and the stem stem of second end places the interior open circuit coaxial line that forms of the sleeve of first end, realizes the capacitive coupling;
Also be provided with coupling element between said first end and second end, coupling element is the sheet medium part that the two sides covers conductive layer and can supply said stem stem to pass, and these two conductive layers are connected with second end with this first end respectively.
Further, at least one described stub is provided with corresponding with it parallel resonance unit.
Disclose according to an embodiment of the present; Said parallel resonance unit comprises the dielectric-slab that is fixed on this corresponding stub, insert the preset hole slot of cavity forming the resonance post of open circuit coaxial line with cavity, and is arranged on the microstrip line that is used to connect said stub and said resonance post on this dielectric-slab.Said dielectric-slab is provided with breach, snaps in the preset groove of said stub with this breach and realizes fixing.Preferable, corresponding each described resonance post is equipped with a tuning screw rod that passes said cover plate.
Disclose according to another embodiment of the present invention; Said parallel resonance unit comprises preset tuning wand; This tuning wand passes the preset screwed hole in cavity side and inserts in the slotted eye preset on the said stub, so that this tuning wand and this stub form the open circuit coaxial line.Preferable, be provided with medium socket between said tuning wand and the said stub slotted eye.
Concrete, said coupling element is plate-like, is provided with the through hole that supplies said stem stem to pass between wherein.
Further, the top of corresponding said stub is provided with a plurality of tuning screw rods that pass said cover plate.Preferable, be provided with medium socket between the sleeve of the stem stem of said second end and first end.Said each stub is supported in said cavity top by medium block.
Communication cavity devices of the present invention, its be in mixer, duplexer, the filter any one, it comprises foregoing elliptic function type high-pass filtering path.
Compared with prior art, the present invention has following advantage:
1, the present invention realizes series capacitance through each end between the adjacent conductor rod; Between the adjacent conductor rod, realize the coupling capacitance with stem stem and sleeve; Also set up coupling element and strengthen capacitive coupling, can regulate the coupling amount of equivalent capacity by the conductive layer on the modification coupling element; In addition, its parallel resonance unit of setting up also allows to realize the adjustment of equivalent capacity coupling amount through regulating tuning screw rod or tuning wand, can also change the position of transmission zero.
2,, have characteristics such as passband is wide, the insertion loss is little, the outer inhibition degree height of band through the filtering path that structure realized that the present invention adopted.For example, concrete passband frequency range is 885-2700MHz, inserts loss≤1.0dB, and to inhibition degree>=30dB of DC-800MHz.
3, on the structure, the mode that is nested with a plurality of elements realizes series capacitance, makes the present invention have little, the convenient installation of volume, is fit to advantages such as production in enormous quantities.
[description of drawings]
Fig. 1 is the package assembly sketch map of ellipse function high-pass filtering path first embodiment of the present invention;
Fig. 2 is the details on Fig. 1 basis, and the package assembly sketch map between adjacent two stubs is shown;
Fig. 3 is the partial groups assembling structure sketch map of ellipse function high-pass filtering path second embodiment of the present invention, is illustrated in the diagram that tuning wand is set on one of them stub.
[embodiment]
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
See also Fig. 1; In the package assembly sketch map of elliptic function type high-pass filtering path first embodiment of the present invention; This high-pass filtering path designs formation in a metallic cavity 2; Mainly comprise the cavity 20 that is formed at the lengthwise type in the metallic cavity 2, be positioned at the longitudinally both sides of this cavity 20 and be fixed on two connectivity ports 31,32 on the chamber wall of metallic cavity 2; And along the longitudinally linear array of this cavity 20 capacitive coupling successively to form the plurality of conductors rod 4 of series capacitance; The stub 4 that is positioned at these cavity 20 longitudinally two ends is of coupled connections with inner wire 310,320 capacitives of these two connectivity ports 31,32 respectively, to realize the transmission of signal two connectivity ports 31, between 32.Cavity 20 tops of said metallic cavity 2 also are provided with cover plate 1, and cover plate 1 and cavity 2 screw lock are mutually fixed.
In conjunction with Fig. 1 and Fig. 2, said each stub 4 roughly is lengthwise type column, and each stub 4 all supports through the medium block 5 that is arranged on said cavity 20 bottoms, makes each stub 4 avoid contacting with the chamber wall of cavity 20.Every adjacent two stubs 401, between 402, adopt capacity coupled mode to realize connecting.Therefore; Specify neatly two stubs 401,402 each other near each end in any end be first end 41; Then the other end is second end 42; First end 41, second end 42 definition herein obviously belong to two adjacent different conductor rods 401,402 respectively, and they are oppositely arranged respectively.Be the facility of explanation, the stub 4 that definition has said first end 41 is first stub 401, and the stub 4 with said second end 42 is second stub 402.
Further please continue to consult Fig. 2; Said first end 41 of first stub 401 wherein is designed to sleeve 41; Said second end 42 of second stub 402 is designed to stem stem 42, and this stem stem 42 is inserted in and realizes these two adjacent conductor rods 401, the coupling of the capacitive between 402 in this sleeve 41.Certainly, can exchange the role of two stubs 401,402, said first end 41 with sleeve 41 promptly is set on second stub 402, and said second end 42 with stem stem 42 is set on first stub 402.Any stub 4; Also can said first end 41 or said second end 42 with stem stem 42 with sleeve 41 be arranged at the two ends of its longitudinally simultaneously; The respective ends of adjacent conductor rod 4 at this moment on the other side just should be designed to said second end 42 or said first end 41 with sleeve 41 with stem stem 42 accordingly.This shows that the formation of the capacitive coupling relation between the adjacent conductor rod 4 is very flexibly, the mode that provides more than can accordinging to is carried out suitable setting.
This capacitive coupling relation between the adjacent conductor rod 4 is equally applicable to the stub 4 at lengthwise cavity 20 two ends and adjoining connectivity port 31, being connected between 32.Particularly; To be designed with first end 41 of sleeve 41 towards an end of the stub 4 of said connectivity port 31,32; The inner wire 310,320 of connectivity port 31,32 is stretched out second end 42 that has stem stem 42 with formation, be inserted in the inner wire 310,320 of connectivity port 31,32 in the sleeve 41 of adjacent with it stub 4 and realize capacitive coupling.Such realization that is provided with all can be adopted in two connectivity ports 31,32.In like manner, also can the inner wire 310,320 of two connectivity ports 31,32 be designed to sleeve 41, and the respective ends of adjacent stub 4 is designed to stem stem 42 with it, to realize capacitive coupling each other.This shows that stub 4 and connectivity port 31, the relation of the capacitive coupling between 32 also are to realize flexibly according to the existing connected mode that the present invention provides.
For further strengthen between the aforementioned adjacent conductor rod 4, stub 4 and connectivity port 31, capacitive coupling between the 32 coupling amount in concerning; Adopt the sheet medium part to design a coupling element 40; This coupling element 40 is plate-like; The two sides of dish all covers conductive layer (not shown) is set, and the area of conductive layer, shape, position are set according to the actual demand of coupling amount flexibly, and the middle part of coupling element 40 is provided with a through hole 409.Be that every place or the connection that partly has the capacitive coupling relation are provided with said coupling element 40 neatly; Make in interconnective first end 41 and second end 42; After the stem stem 42 of second end 42 passes the through hole 409 of coupling element 40; Place the sleeve 41 of first end 41 to realize coupling, wherein the sleeve 41 of the conductive layer of coupling element 40 face and first end 41 electrically connects, and the stem stem 42 of the conductive layer of another face and second end 42 electrically connects.Through such setting, just can pass through the shape and the size of two conductive layers of modification coupling element 40, reach the purpose of the coupling amount of control capacittance coupled relation.
In addition, in order to strengthen the capacitive annexation, between the stem stem 42 of the sleeve 41 of said first end 41 and second end 42, a medium socket 43 is set, guarantees the insulation between stem stem 42 and the sleeve 41.
As previously mentioned, between a plurality of stubs 4, stub 4 and connectivity port 31, adopt above-mentioned capacitive coupling connected mode to realize being connected between 32, can realize the transmission of signal two connectivity ports 31, between 32.Mode assembling mutually through stem stem 42 and sleeve 41 between the stub 4 in twos constitutes the open circuit coaxial line with low impedance characteristic, is used for the series capacitance of equivalent filter path.Same mode also goes for stub 4 and connectivity port 31, between 32.
Further please consult Fig. 1 again; In the present embodiment; Each described stub 4 equal correspondence is provided with parallel resonance unit (not label); This parallel resonance unit comprises a dielectric-slab 61, is printed on the microstrip line 63 on the dielectric-slab 61, and is arranged on the resonance post 62 in the preset hole slot 60 of cavity 2.
Described dielectric-slab 61 bottoms are provided with a breach 610, are fastened in the annular groove 408 preset on the corresponding stub 4 with this breach 610, so that realize dielectric-slab 61 fixing in cavity 20.On the pairing cavity 2 of a side of dielectric-slab 61, be preset with the said hole slot 60 of a column, said resonance post 62 fixes with this side of dielectric-slab 61, and inserts in the preset hole slot 60 of said cavity 2, constitutes the open circuit coaxial line with low impedance characteristic.Said microstrip line 63 is printed on dielectric-slab 61 surfaces, and an end connects corresponding stub 4, and the other end connects said resonance post 62, to realize the series inductance of this parallel resonance unit.In addition, some cover plates 1 self that pass are set so that arrive the tuning screw rod 67 of said resonance post 62, so that externally carry out tuning on cover plate 1 to the parallel resonance unit by those tuning screw rods 67.
Whether among the present invention, can select according to actual needs is that stub 4 is provided with said parallel resonance unit, utilizes the external diameter of the resonance post 62 in the parallel resonance unit, the variation of height, in like manner can realize the adjusting of coupling amount.
In addition, also on cover plate 1, the top, position corresponding to said each stub 4 is respectively arranged with tuning screw rod 47, so that externally realize tuning by those tuning screw rods 47 in the present invention.
More than the elliptic function type high-pass filtering path of the present invention that disclosed of first embodiment, the flexile characteristics of regulative mode.
See also Fig. 3, among second embodiment of elliptic function type high-pass filtering path of the present invention, disclose a kind of parallel resonance unit (not label) that last embodiment discloses that is different from, this parallel resonance unit comprises the tuning wand 71 of plurality of preset.The screwed hole 70 of some perforations to said lengthwise cavity 20 is set on a side of said cavity 2; The deep slotted eye 74 of described each stub 4 corresponding said each screwed hole 70 preset radial; Said each tuning wand 71 passes said each screwed hole 70 correspondingly; Its deep end 711 is inserted in the slotted eye 74 of a corresponding said stub 4 to realize capacitive coupling with it; And this of tuning wand 71 deeply hold 711 with this slotted eye 74 of stub 4 between a sheathed medium socket 72 be connected to guarantee capacitive, 712 at the external end of each tuning wand 71 is threaded with the respective threads hole 70 of said cavity 2.Go deep into the degree of depth of its corresponding slotted eye 74 through each tuning wand 71 of independent adjusting, can realize the adjusting of coupling amount.Thereby realize control to the filtering path.
The design of present embodiment obviously has more succinct characteristics than last embodiment.
In sum, elliptic function type high-pass filtering path of the present invention adopts the distributed constant formula to realize, and is simple in structure, convenient tuning, and characteristics such as passband is wide, the insertion loss is little, the outer inhibition degree height of band are arranged.Can be widely used in the mobile communication equipment field.For example survey in the case, concrete passband frequency range is 885-2700MHz, inserts loss≤1.0dB, and to inhibition degree>=30dB of DC-800MHz.This high-pass filtering path can be used as communication cavity 2 devices such as mixer, filter or duplexer.
Although the present invention only provides above embodiment; But; Those skilled in the art in conjunction with common practise, should be able to associate more embodiment after reading over this specification; But such embodiment is the spirit of unconventional claim of the present invention not, any type ofly is equal to replacement or simple modification all should be regarded as the included embodiment by the present invention.
Claims (12)
1. elliptic function type high-pass filtering path; Comprise the cavity and the cover plate of lid dress mutually; Said cavity is provided with lengthwise type cavity; Along cavity longitudinally linear array a plurality of capacitively coupled successively stubs are set, in the stub at these longitudinally two ends respectively with this cavity on two connectivity port capacitives couplings being provided with, it is characterized in that:
Be used to realize capacitively coupled each end between the adjacent conductor rod and/or between stub and the connectivity port, wherein first end forms sleeve, and second end forms stem stem, and the stem stem of second end places the interior open circuit coaxial line that forms of the sleeve of first end, realizes the capacitive coupling;
Also be provided with coupling element between said first end and second end, coupling element is the sheet medium part that the two sides covers conductive layer and can supply said stem stem to pass, and these two conductive layers are connected with second end with this first end respectively.
2. elliptic function type high-pass filtering path according to claim 1 is characterized in that, at least one described stub is provided with corresponding with it parallel resonance unit.
3. elliptic function type high-pass filtering path according to claim 2; It is characterized in that; Said parallel resonance unit comprises the dielectric-slab that is fixed on this corresponding stub, insert the preset hole slot of cavity forming the resonance post of open circuit coaxial line with cavity, and is arranged on the microstrip line that is used to connect said stub and said resonance post on this dielectric-slab.
4. elliptic function type high-pass filtering path according to claim 3 is characterized in that said dielectric-slab is provided with breach, snaps in the preset groove of said stub with this breach and realizes fixing.
5. elliptic function type high-pass filtering path according to claim 3 is characterized in that, corresponding each described resonance post is equipped with a tuning screw rod that passes said cover plate.
6. elliptic function type high-pass filtering path according to claim 2; It is characterized in that; Said parallel resonance unit comprises preset tuning wand; This tuning wand passes the preset screwed hole in cavity side and inserts in the slotted eye preset on the said stub, so that this tuning wand and this stub form the open circuit coaxial line.
7. elliptic function type high-pass filtering path according to claim 6 is characterized in that, is provided with medium socket between said tuning wand and the said stub slotted eye.
8. according to any described elliptic function type high-pass filtering path in the claim 1 to 7, it is characterized in that said coupling element is plate-like, be provided with the through hole that supplies said stem stem to pass between wherein.
9. according to any described elliptic function type high-pass filtering path in the claim 1 to 7, it is characterized in that the top of corresponding said stub is provided with a plurality of tuning screw rods that pass said cover plate.
10. according to any described elliptic function type high-pass filtering path in the claim 1 to 7, it is characterized in that, be provided with medium socket between the sleeve of the stem stem of said second end and first end.
11., it is characterized in that said each stub is supported in said cavity top by medium block according to any described elliptic function type high-pass filtering path in the claim 1 to 7.
12. one kind communication cavity devices, its be in mixer, duplexer, the filter any one, it is characterized in that it comprises like any described elliptic function type high-pass filtering path in the claim 1 to 11.
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| CN201210157456.XA CN102683779B (en) | 2012-05-18 | 2012-05-18 | Communication cavity device and elliptic function type high-pass filtering channel thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103855447A (en) * | 2012-11-29 | 2014-06-11 | 京信通信系统（中国）有限公司 | Cavity device and elliptic function type low pass filter |
| WO2018001199A1 (en) * | 2016-06-28 | 2018-01-04 | 华为技术有限公司 | Combiner, antenna and communication device |
| WO2018107633A1 (en) * | 2016-12-14 | 2018-06-21 | 京信通信技术(广州)有限公司 | High-performance band-stop filter and communications cavity device thereof |
| CN108270058A (en) * | 2016-12-30 | 2018-07-10 | 京信通信系统（中国）有限公司 | A kind of bilayer chamber combiner and its coupling device |
| CN109103554A (en) * | 2017-06-21 | 2018-12-28 | 罗森伯格技术（昆山）有限公司 | adjustable waveguide filter |
| CN112864554A (en) * | 2020-12-31 | 2021-05-28 | 京信通信技术(广州)有限公司 | Filtering combining structure and combining phase shifter |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6362707B1 (en) * | 2000-01-21 | 2002-03-26 | Hughes Electronics Corporation | Easily tunable dielectrically loaded resonators |
| EP1315228A1 (en) * | 2000-08-29 | 2003-05-28 | Matsushita Electric Industrial Co., Ltd. | Dielectric filter |
| US20040046623A1 (en) * | 2002-09-05 | 2004-03-11 | Brown Jeffrey M. | Tunable coupling iris and method |
| WO2011000501A1 (en) * | 2009-07-01 | 2011-01-06 | Kathrein-Werke Kg | High frequency filter |
| CN201838696U (en) * | 2010-10-12 | 2011-05-18 | 福建星海通信科技有限公司 | Adjustable mechanical filter with a unified tuning function |
| CN102354778A (en) * | 2011-08-24 | 2012-02-15 | 京信通信系统（中国）有限公司 | Elliptic function low-path filtering path and communication cavity device adopting same |
| CN102412433A (en) * | 2011-09-27 | 2012-04-11 | 京信通信系统（中国）有限公司 | Communication cavity device and elliptic function low-pass filter path |
| CN202196844U (en) * | 2011-08-24 | 2012-04-18 | 京信通信系统（中国）有限公司 | Communication cavity device and path combining and separating structure thereof |
| CN202662756U (en) * | 2012-05-18 | 2013-01-09 | 京信通信系统（中国）有限公司 | Communication cavity component and elliptic function type high-pass filtering access thereof |
-
2012
- 2012-05-18 CN CN201210157456.XA patent/CN102683779B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6362707B1 (en) * | 2000-01-21 | 2002-03-26 | Hughes Electronics Corporation | Easily tunable dielectrically loaded resonators |
| EP1315228A1 (en) * | 2000-08-29 | 2003-05-28 | Matsushita Electric Industrial Co., Ltd. | Dielectric filter |
| US20040046623A1 (en) * | 2002-09-05 | 2004-03-11 | Brown Jeffrey M. | Tunable coupling iris and method |
| WO2011000501A1 (en) * | 2009-07-01 | 2011-01-06 | Kathrein-Werke Kg | High frequency filter |
| CN201838696U (en) * | 2010-10-12 | 2011-05-18 | 福建星海通信科技有限公司 | Adjustable mechanical filter with a unified tuning function |
| CN102354778A (en) * | 2011-08-24 | 2012-02-15 | 京信通信系统（中国）有限公司 | Elliptic function low-path filtering path and communication cavity device adopting same |
| CN202196844U (en) * | 2011-08-24 | 2012-04-18 | 京信通信系统（中国）有限公司 | Communication cavity device and path combining and separating structure thereof |
| CN102412433A (en) * | 2011-09-27 | 2012-04-11 | 京信通信系统（中国）有限公司 | Communication cavity device and elliptic function low-pass filter path |
| CN202662756U (en) * | 2012-05-18 | 2013-01-09 | 京信通信系统（中国）有限公司 | Communication cavity component and elliptic function type high-pass filtering access thereof |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103855447A (en) * | 2012-11-29 | 2014-06-11 | 京信通信系统（中国）有限公司 | Cavity device and elliptic function type low pass filter |
| WO2018001199A1 (en) * | 2016-06-28 | 2018-01-04 | 华为技术有限公司 | Combiner, antenna and communication device |
| WO2018107633A1 (en) * | 2016-12-14 | 2018-06-21 | 京信通信技术(广州)有限公司 | High-performance band-stop filter and communications cavity device thereof |
| CN108270058A (en) * | 2016-12-30 | 2018-07-10 | 京信通信系统（中国）有限公司 | A kind of bilayer chamber combiner and its coupling device |
| CN108270058B (en) * | 2016-12-30 | 2020-11-10 | 京信通信技术(广州)有限公司 | Double-layer cavity combiner and coupling device thereof |
| CN109103554A (en) * | 2017-06-21 | 2018-12-28 | 罗森伯格技术（昆山）有限公司 | adjustable waveguide filter |
| CN112864554A (en) * | 2020-12-31 | 2021-05-28 | 京信通信技术(广州)有限公司 | Filtering combining structure and combining phase shifter |
| CN112864554B (en) * | 2020-12-31 | 2022-03-22 | 京信通信技术(广州)有限公司 | Filtering combining structure and combining phase shifter |
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| CN102683779B (en) | 2014-09-10 |
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