EP3220473B1 - Filtre coaxial en treillis - Google Patents

Filtre coaxial en treillis Download PDF

Info

Publication number
EP3220473B1
EP3220473B1 EP17160113.1A EP17160113A EP3220473B1 EP 3220473 B1 EP3220473 B1 EP 3220473B1 EP 17160113 A EP17160113 A EP 17160113A EP 3220473 B1 EP3220473 B1 EP 3220473B1
Authority
EP
European Patent Office
Prior art keywords
filter frame
filter
face
resonator internal
separating web
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.)
Active
Application number
EP17160113.1A
Other languages
German (de)
English (en)
Other versions
EP3220473A1 (fr
Inventor
Franz Rottmoser
Jens Nita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kathrein SE
Original Assignee
Kathrein SE
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kathrein SE filed Critical Kathrein SE
Publication of EP3220473A1 publication Critical patent/EP3220473A1/fr
Application granted granted Critical
Publication of EP3220473B1 publication Critical patent/EP3220473B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • H01P1/201—Filters for transverse electromagnetic waves
    • H01P1/205—Comb or interdigital filters; Cascaded coaxial cavities
    • H01P1/2053—Comb or interdigital filters; Cascaded coaxial cavities the coaxial cavity resonators being disposed parall to each other
    • 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
    • H01P1/201—Filters for transverse electromagnetic waves
    • H01P1/202—Coaxial filters
    • 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
    • H01P1/201—Filters for transverse electromagnetic waves
    • H01P1/205—Comb or interdigital filters; Cascaded coaxial cavities
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/02—Coupling devices of the waveguide type with invariable factor of coupling

Definitions

  • the invention relates to coaxial filter in frame construction.
  • Filters are always used in communications engineering and in high-frequency engineering if only certain frequency components of a signal are to be further processed.
  • high-pass or low-pass filters there are also band-pass or band-stop filters.
  • Filters can be realized both digitally and by means of discrete components.
  • the filters can be constructed on a circuit board or be designed as a coaxial filter in the form of milled or cast cavity structures. Filters in coaxial design are usually produced in a die-casting process, the fine-tuning can be done by means of additional rotatable tuning elements.
  • the JP 3 385 909 B2 describes an RF filter having a housing bottom, two end walls and a housing cover includes, is bounded by a receiving space.
  • resonator inner conductors are arranged, which are galvanically connected to the housing bottom and extending therefrom in the direction of the housing cover.
  • the housing bottom, the housing cover, the end walls and the resonator inner conductor consist of a common part. Side walls close the receiving space on both sides. At the two opposite end faces in each case an input and / or decoupling device is arranged.
  • an RF filter which comprises two end walls, two side walls and a housing bottom defining a receiving space.
  • a divider extends between the two end walls and divides the receiving space into two areas.
  • the divider is either integrally connected to an end wall and spaced from the other end wall, or is integrally connected to a side wall and spaced from both end walls.
  • Resonator inner conductors are arranged on the divider and extend from this in both areas in the direction of the respective side walls.
  • the divider includes extensions that extend between two resonator inner conductors in a region, thereby dividing each region into at least two resonator chambers.
  • the receiving space can be closed by a lid.
  • an RF filter known. This comprises two end walls, two side walls, a bottom part and a lid part, which are all screwed together and define a receiving space.
  • a separating web part is screwed to an end wall and extends from this in the direction of the other end wall and ends to form a distance space to this.
  • the separating web part divides the receiving space into two areas.
  • resonators are screwed, which extend from the respective side wall in the direction of the Trennstegteils in the respective area.
  • the distance of the resonators to the separating web part is adjustable via a screw connection.
  • An elongated resonator is bolted to both sidewalls and passes through the spacer space.
  • the JP S58 172001A describes an RF filter that includes a filter housing.
  • a conductor structure is arranged on a carrier plate spaced from a housing bottom. At different ends of this conductor structure, a coupling to various input and / or output devices takes place.
  • the conductor structure comprises additional L-shaped conductor elements.
  • the US 8,884,722 B2 describes an RF filter including first and second electromagnetic resonators configured to operate in a TEM mode.
  • a coupling device inductively couples the first and second resonators together.
  • an RF filter which comprises a housing bottom and circumferential side walls, through which a receiving space is formed.
  • resonator inner conductors are arranged, which are galvanically connected to the housing bottom and extending away from the latter.
  • the housing bottom, the side walls and the resonator inner conductors are in one piece.
  • an input and / or output device is arranged on two opposite side walls.
  • Such a filter is beispielswiese from DE 10 2004 010 683 B3 known.
  • such a filter has the disadvantage that the volume of construction, in particular the height is large. This leads to problems in some areas of application.
  • the coaxial filter according to the invention in frame construction comprises at least one filter frame, which consists of an electrically conductive medium and identifies a receiving space, wherein the receiving space is disposed within the at least one electrically conductive filter frame. Furthermore, a lid assembly is provided, which is arranged on both opposite sides of the at least one filter frame, so that the receiving space is at least predominantly closed from all sides. Exceptions may arise, for example, in the area of the connection sockets. At least a first Resonator inner conductor is arranged in the receiving space.
  • the coaxial filter is constructed in a frame construction, whereby a very low height is achieved. This means that one can see in plan view of the high frequency filter therethrough when the lid assembly is removed.
  • the coaxial filter can be produced in a casting process, in particular in an (aluminum, or zinc) die casting process. Such a coaxial filter can be used in particular for powers of 5 to 20 watts. The power can also be lower or higher.
  • the filter frame is formed integrally with the separating web and the resonator inner conductors.
  • the filter frame could be made of plastic with its resonator inner conductors, which would then have to be provided with an electrically conductive layer.
  • the coaxial filter also has at least one electrically conductive separating web which rises on a first side of the at least one filter frame and is electrically conductively connected thereto and protrudes into the receiving space and extends in the direction of a second side of the at least one filter frame and there under formation an opening with this ends, whereby the receiving space is divided into at least a first and in at least one second receiving chamber and connecting the two receiving chambers opening.
  • the at least one first resonator inner conductor is arranged in the at least one first receiving chamber of the receiving space.
  • the at least one The first resonator inner conductor is thereby either galvanically connected to a third side of the at least one electrically conductive filter frame or to a first side of the electrically conductive separating web and extends therefrom either in the direction of the separating web or in the direction of the filter frame and ends at a distance in front of the separating web or filter frame.
  • the coaxial filter has, in particular, a first input and / or output device and / or at least one second input and / or outcoupling device, which preferably enters the first or second receiving chamber via the first side of the at least one filter frame from the outside, and there predominantly produces capacitive or predominantly inductive coupling to the respective first and second resonator inner conductor. It is also possible for a third input and / or decoupling device to be arranged opposite the first or second input and / or decoupling device, this being preferably arranged on the second side, which lies opposite the first side.
  • the third input and / or output device preferably passes through the opening.
  • the input and / or decoupling devices can also be arranged on the third or fourth side.
  • one end of the at least one first resonator inner conductor which is not galvanically connected to the filter frame or the at least one divider, has an extension section in the direction of the first and / or the second side of the filter frame, whereby the at least a first resonator inner conductor is formed in plan view L-shaped or T-shaped.
  • This extension section preferably runs exclusively parallel to the third or fourth side of the filter frame or parallel to the separating web. He could also run inclined to the third and fourth side of the filter frame.
  • the at least one second resonator inner conductor This may also have such an extension section.
  • the electrically effective length of the respective resonator inner conductor is increased.
  • the capacitive coupling between the resonator inner conductor can be increased via the extension section to the filter frame or the separating web.
  • extension sections of all first resonator inner conductors or all second resonator inner conductors can all point in the same direction. They can also be aligned differently.
  • This coupling bridge In order to increase the inductive coupling between two adjacent resonator inner conductors, they can be galvanically connected via a coupling web.
  • This coupling bridge On the one hand, it can be arranged at a distance from the filter frame and, on the other hand, from the separating web. However, it should be arranged at the end of the resonator inner conductor where they are galvanically connected to the filter frame or the divider.
  • the coupling bridge could also be galvanically connected to the filter frame or the separating web on its side facing the filter frame or the separating web.
  • At least one additional capacitive or inductive coupling is provided between two resonator inner conductors which are not adjacent or which do not follow one another in the signal transmission path.
  • Such a coupling is preferably provided in the space between the resonator inner conductors and the lid assembly.
  • An inductive coupling between the two resonator inner conductors is spaced from the other (underlying) resonator inner conductors, as well as from the lid assembly.
  • a capacitive overcoupling is spaced from all resonator inner conductors and from the lid assembly.
  • the capacitive coupling preferably has a larger area than is the case with the other resonator inner conductors.
  • this comprises a plurality of filter frames, which are arranged one above the other.
  • the cover assembly closes the outer filter frame to the outside and includes at least one intermediate cover.
  • at least one intermediate cover is in each case arranged between two filter frames and separates them from each other.
  • the intermediate cover comprises at least one coupling opening, whereby a coupling takes place between at least two resonator inner conductors of different filter frames.
  • a coupling takes place between at least two resonator inner conductors of different filter frames.
  • FIG. 1A shows a spatial representation of the coaxial filter 1 according to the invention in frame construction with removed cover assembly.
  • FIG. 1B shows a parallel to the removed lid assembly extending Section in the longitudinal direction through the coaxial filter 1 according to the invention Figure 1A ,
  • the main component of the coaxial filter 1 is at least one filter frame 2, which consists of an electrically conductive material and a receiving space 3, wherein the receiving space 3 is disposed within the at least one electrically conductive filter frame 2, whereby the at least one electrically conductive filter frame 2 a border of the receiving space 3 represents.
  • the filter frame 2 is in plan view preferably rectangular or square or at least approximated to this shape.
  • the lid assembly closes the open ends, ie the opposite broad sides of the at least one filter frame 2. In Figure 1A the lid assembly would close the filter frame 2 above and below.
  • the lid assembly may consist of one or more lids.
  • the cover arrangement preferably has at least two outer covers 22, 23. Such a first outer cover 22 and a second outer cover 23 are in FIG. 13 shown.
  • the lid assembly may also include at least one intermediate lid 20, as in FIG FIG. 16 you can see.
  • the first outer lid 22 rests on the upwardly or forwardly facing side 2a of the filter frame 2. It is galvanically connected to the filter frame 2.
  • the second outer lid 23 rests on the downwardly or rearwardly facing side 2b of the filter frame 2 and is galvanically connected thereto.
  • the two sides 2a and 2b are parallel to each other.
  • At least one electrically conductive separating web 4 is shown, which rises on a first side 5a of the at least one filter frame 2 and is connected to it in an electrically conductive manner.
  • the at least one divider 4 is formed integrally with the filter frame 2 and protrudes into the receiving space 3.
  • the at least one separating web 4 extends in the direction of a second side 5b opposite the first side 5a and ends there to form an opening 6.
  • the receiving space 3 is in at least a first receiving chamber 3a and in at least one second receiving chamber 3b and in the two Receiving chambers 3a, 3b connecting opening 6 articulated.
  • At least one first resonator inner conductor 7a is arranged in the at least one first receiving chamber 3a of the receiving space 3.
  • the at least one first resonator inner conductor 7a is within Figure 1A is galvanically connected to a first side 4a of the electrically conductive separating web 4 and extends from this in the direction of a third side 5c of the electrically conductive filter frame 2 and ends at a distance in front of the electrically conductive filter frame 2. It would also be possible that the at least one first resonator Inner conductor 7a has an electrically insulating coating, whereby it is electrically isolated from the electrically conductive filter frame 2.
  • the capacitive coupling from the first resonator inner conductor 7a to the filter frame 2 can be set.
  • the distance is smaller, in particular smaller by a multiple, than the first resonator inner conductor 7a long (extension from the divider 4 in the direction of the filter frame 2).
  • the divider 4 preferably has the same height H as the filter frame 2. This means that both the first outer lid 22, and the second outer lid 23 rest on the filter frame 2 and on the divider 4 and are galvanically connected to both. They preferably lie on the entire first and second side 2a, 2b of the filter frame 2, or on the entire length of the separating web 4. The same applies to the intermediate cover 20, as in FIG. 16 is shown.
  • the divider 4 is U-shaped in plan view and has an outer space 30 which is separated from the receiving space 3 and the first and second receiving chamber 3a, 3b and is accessible from outside the coaxial filter 1.
  • FIGS. 15A and 15B show an embodiment without the use of the separating web 4.
  • the at least one first resonator inner conductor 7a is is galvanically connected to one side of the at least one electrically conductive filter frame 2 and extends from this in the direction of another, in particular opposite side of the electrically conductive filter frame 2 and ends at a distance from the opposite side of the electrically conductive filter frame 2 and / or from the opposite Side of the electrically conductive filter frame 2 galvanically isolated.
  • the coaxial filter 1 comprises a third input and / or output coupling device 8c, which is arranged on the second side 5b of the at least one filter frame 2 and has a predominantly capacitive or predominantly inductive coupling.
  • a predominantly inductive coupling takes place to the first resonator inner conductor 7a in the first receiving chamber 3a, which is arranged closest to the second side 5b.
  • first resonator inner conductor 7a there are three first resonator inner conductor 7a. However, fewer or considerably more first resonator inner conductors 7a may also be formed.
  • the coaxial filter 1 from the Figures 1A and 1B also has at least one second resonator inner conductor 7b.
  • the second resonator inner conductor 7b is in Figure 1A galvanically connected to the second side 4b of the electrically conductive separating web 4 and extends from this in the direction of a fourth side 5d of the electrically conductive filter frame 2 and also ends at a distance in front of the electrically conductive filter frame 2 and / or is galvanically separated from this.
  • the same statements apply as they have already been made for the first resonator inner conductor 7a.
  • the resonator inner conductors 7a, 7b preferably have a smaller height H than the filter frame 2. This means that the cover assembly with its outer covers 22, 23 and possibly its intermediate cover 20 are spaced from the resonator inner conductors 7a, 7b and not on rest it.
  • the first side 5a of the filter frame 2 is parallel to the second side 5b of the filter frame 2.
  • the third side 5c of the filter frame 2 is parallel to the fourth side 5d of the filter frame 2.
  • the third and fourth sides 5c, 5d of the filter frame 2 are perpendicular to the first one and second side 5a, 5b of the filter frame 2.
  • the at least one separating web 4 and the resonator inner conductors 7a, 7b are integrally formed. The same applies to the at least one divider 4 and the filter frame. 2
  • FIG. 3A also shows a spatial representation of another embodiment of a coaxial filter 1
  • FIG. 3B a section along the longitudinal axis through the embodiment FIG. 3A shows.
  • the at least one first resonator inner conductor 7a is galvanically connected to the third side 5c of the at least one electrically conductive filter frame 2 and extends therefrom in the direction of the first side 4a of the electrically conductive separating web 4 and ends at a distance in front of the electrically conductive separating web 4 and / or is of the electric conductive divider 4 galvanically isolated.
  • This is galvanically connected to the fourth side 5 d of the at least one electrically conductive filter frame 2 and extends from this in the direction of the second side 4 b of the electrically conductive divider 4 and ends at a distance in front of the divider 4 and / or is galvanically isolated from the divider 4 ,
  • the at least one first resonator inner conductor 7a is arranged in the at least one first receiving chamber 3a of the receiving space 3, whereas the at least one second resonator inner conductor 7b is arranged in the at least one second receiving chamber 3b of the receiving space 3.
  • the resonator inner conductors 7a, 7b, the at least one divider 4 and the corresponding filter frame 2 are integrally formed.
  • a production is preferably carried out by means of a casting process, in particular a die-casting process, such as an aluminum die-casting process.
  • the coaxial filter 1 according to the invention it would also be possible for the coaxial filter 1 according to the invention to be produced by means of a milling process.
  • the coaxial filter 1 off FIG. 2A comprises a first resonator inner conductor 7a, which is galvanically connected to the first side 4a of the electrically conductive separating web 4 and extends therefrom in the direction of the third side 5c of the filter frame 2 and ends at a distance in front of the filter frame 2.
  • the second resonator inner conductor 7b is galvanically connected to the fourth side 5d of the filter frame 2 and extends from this in the direction of the second side 4b of the electrically conductive separating web 4 and ends at a distance in front of the electrically conductive separating web 4.
  • FIG. 2B shows a corresponding longitudinal section through the coaxial filter 1 FIG. 2A , In a sectional plane parallel to the removed lid assembly.
  • first or second resonator inner conductors 7a, 7b it would also be conceivable for some of the first or second resonator inner conductors 7a, 7b to be connected alternately to the corresponding side of the filter frame 2 or the separating web 4.
  • the coaxial filter 1 also comprises a first input and / or output coupling device 8a, which is arranged on the first side 5a of the at least one filter frame 2 and produces a predominantly capacitive or predominantly inductive coupling to the first resonator inner conductor 7a, which is closest to the first first side 5a is arranged in the first receiving chamber 3a.
  • a first input and / or output coupling device 8a which is arranged on the first side 5a of the at least one filter frame 2 and produces a predominantly capacitive or predominantly inductive coupling to the first resonator inner conductor 7a, which is closest to the first first side 5a is arranged in the first receiving chamber 3a.
  • it is an inductive coupling.
  • the coaxial filter 1 further comprises at least one second input and / or output device 8b, which is arranged on the first side 5a of the at least one filter frame 2 and produces a predominantly capacitive or a predominantly inductive coupling to the second resonator inner conductor 7b which is closest to the first side 5a arranged in the second receiving chamber 3b is.
  • Each input and / or output device 8a, 8b is preferably exclusively coupled to only one resonator inner conductor 7a, 7b.
  • FIG. 17 showing a further embodiment of the coaxial filter 1 according to the invention, a third input and / or output device 8c can be seen, which is arranged on the second side 5b of the at least one filter frame 2 and has a predominantly capacitive or predominantly inductive coupling.
  • a predominantly inductive coupling takes place to the first resonator inner conductor 7a in the first receiving chamber 3a, which is arranged closest to the second side 5b.
  • a predominantly inductive coupling to that resonator inner conductor 7b also takes place, which is arranged closest to the second side 5b in the second receiving chamber 3b.
  • the third input and / or output coupling device 8c it would also be possible for the third input and / or output coupling device 8c to produce a capacitive or inductive coupling only to a resonator inner conductor 7a, 7b.
  • the third input and / or output device 8c extends through the opening 6 therethrough.
  • An off-center course of the at least one separating web 4 is in particular the case if the coaxial filter still has m further separating webs 4 with m ⁇ 1, which subdivide the receiving space 3 into m further receiving chambers 3a, 3b, wherein the m further receiving chambers 3a, 3b each have at least one further resonator inner conductor 7a, 7b.
  • the m further separating webs 4 may alternately be galvanically connected alternately to the first and the second side 5a, 5b of the at least one filter frame 2, whereby the individual receiving chambers 3a, 3b are connected to one another in a meandering manner. This can increase the length of the filter path.
  • the further separating webs 4 can also all be galvanically connected to the first side 5a of the at least one filter frame 2 and protrude into the receiving space 3 and extend in the direction of the second side 5b and terminate there to form an opening 6.
  • each filter path has its own input and / or outcoupling device 8a, 8b, which is arranged on the first side 5a of the filter frame 2.
  • the at least one first resonator inner conductor 7a is connected at one point only to the filter frame 2 or the separating web 4. This one point is also called the foot point.
  • the at least one first resonator inner conductor 7a is therefore no more than the at least one second resonator inner conductor 7b connected to the lid assembly.
  • This distance is preferably less than the actual thickness of the resonator inner conductor 7a, 7b. This preferably applies to all resonator inner conductors 7a, 7b.
  • the divider 4 is completely spaced from the second side 5b of the filter frame 2. As a result, the opening 6 is formed.
  • the at least one divider 4 is at least partially galvanically connected to the second side 5b of the filter frame 2, wherein the divider 4 at the transition to the second side 5b of the filter frame 2 has a lower height than the filter frame 2 towards the lid assembly, not shown, whereby the opening. 6 is formed.
  • the divider 4 here has a bulge or recess through which the opening 6 is formed.
  • the first resonator inner conductor 7a has the shape of an "L" in plan view.
  • the second resonator inner conductor 7b has an extension portion 9 b, which extends in the direction of the second side 5 b of the filter frame 2.
  • extension section 9a, 9b of the first or second resonator inner conductor 7a, 7b could also extend both in the direction of the first side 5a, and in the direction of the second side 5b of the filter frame 2.
  • the respective resonator inner conductor 7a, 7b in plan view T-shaped.
  • the two extension sections 9a, 9b of the two resonator inner conductors 7a, 7b point in the same direction, and in this case in the direction of the second side 5b of the filter frame 2. They could also point both towards the first side 5a of the filter frame 2.
  • the extension portions 9a, 9b preferably extend at a right angle away from the respective resonator inner conductors 7a, 7b.
  • the extension sections 9a, 9b are preferably as wide as the respective resonator inner conductor 7a, 7b. They could also be narrower or wider.
  • the extension sections 9a, 9b are preferably shorter than the respective resonator inner conductor 7a, 7b. They are preferably shorter than the respective resonator inner conductor 7a, 7b by more than half. They could, however, be longer. For example, in the resonator inner conductor 7 a, 7 b, which oppose the opening 6.
  • the two extension sections 9a, 9b of the two resonator inner conductors 7a, 7b are therefore in direct visual contact with each other via the opening 6, whereby a higher coupling is achieved than if they did not protrude beyond the end. The latter case would also be possible, although the coupling would be weaker.
  • At least one, preferably all extension sections 9a, 9b extend exclusively parallel to the third or fourth side 5c, 5d of the filter frame 2. They could also be inclined relative to the third or fourth side 5c, 5d of the filter frame 2. Both ends of a resonator inner conductor 7a, 7b are preferably the same thickness and more preferably equidistant from the surrounding lids of the lid assembly.
  • the distance between the individual resonator inner conductors 7a of a receiving chamber 3a with each other is preferably the same size. The same applies to the distance between the second resonator inner conductor 7b with each other in the second receiving chamber 3b. The distances between the individual resonator inner conductors 7a, 7b to each other can also be varied.
  • FIG. 4A shows two extension portions 9a of two adjacent first resonator inner conductor 7a toward each other.
  • the distance between both extension portions 9a is preferably smaller as the distance of the respective resonator inner conductor to the filter frame 2. However, it could also be the same size or larger.
  • extension sections 9b of the second resonator inner conductor 7b show.
  • FIG. 10 For example, an enhanced inductive coupling between two adjacent first resonator inner conductors 7a is shown.
  • a first coupling web 10a is used, which connects the two adjacent resonator inner conductors 7a with each other galvanically.
  • the first coupling web 10a is electrically connected to its at least one divider 4 side facing the at least one divider 4 (are integrally formed).
  • the inductive coupling is strongest when the connection takes place at the root of the respective resonator inner conductor 7a.
  • FIG. 10 In addition, an inductive coupling between two adjacent second resonator inner conductors 7b is shown.
  • the inserted second coupling web 10 b is spaced from the filter frame 2 and spaced from the at least one separating web 4 is arranged.
  • the inductive coupling via the second coupling web 10b is less than the inductive coupling via the first coupling web 10a because it is further away from the root of the respective resonator inner conductor 7b is.
  • the second coupling rib 10b is integrally formed with the second resonator inner conductors 7b.
  • the first and second coupling ribs 10a, 10b are attached to the side surfaces of the adjacent first and second resonator inner conductors 7a, 7b, respectively, which are arranged parallel to the first and second sides 5a, 5b of the filter frame 2.
  • the coupling webs 10a, 10b are preferably mounted in the first half of the length of the resonator inner conductors 7a, 7b. The first half begins at the base of the resonator inner conductors 7a, 7b.
  • FIG. 11 an inductive coupling between the two resonator inner conductors 7a, 7b is shown, which are arranged closest to the second side 5b of the filter frame 2.
  • the inductive coupling takes place via the opening 6 with a Matterkopplungsstab 17.
  • This Mathkopplungsstab 17 can be soldered to the two resonator inner conductors 7a, 7b.
  • a one-piece design of the over-coupling rod 17 with the two resonator inner conductors 7a, 7b is also conceivable.
  • FIG. 9 shows that between two adjacent first resonator inner conductors 7a at least a first separation diaphragm 11a (also called first partition wall) is arranged in order to reduce the coupling of the two first resonator inner conductors 7a.
  • the at least one first separating diaphragm 11a is galvanically connected - in this case - with the first side 4a of the at least one separating web 4 and protrudes by a certain length into the first receiving chamber 3a.
  • first separating diaphragm 11a is galvanically connected to the third side 5c of the filter frame 2 and projects from there into the first receiving chamber 3a.
  • the first divider panel 11a could also be arranged on the lid assembly, not shown.
  • a second partition 11b (also called a second partition) is formed, which is arranged between two adjacent second resonator inner conductors 7b.
  • a second partition 11b also called a second partition
  • the dividing diaphragms 11a, 11b are preferably as high as the dividing web 4 and the filter frame 2. In the case of an adjacent cover arrangement, these preferably touch the cover assembly. They are thus preferably galvanically connected at their opposite sides to the respective top cover assembly (e.g., outer cover 22, 23 or intermediate cover 20).
  • the partitions 11a, 11b may also consist of two parts, wherein both parts of two opposite sides 5c, 4a run towards the center and end to form a gap to each other. The two parts are therefore preferably diametrically opposite.
  • the separating diaphragms 11a, 11b and the separating web 4 or the filter frame 2 are preferably formed in one piece.
  • FIG. 8 At least one capacitive overcoupling 15 between two resonator inner conductors 7a in the same receiving chamber 3a is shown.
  • the capacitive overcoupling is formed by an over-coupling element 15, the at least two mechanically and galvanically interconnected capacitive coupling surfaces 15a, 15b, each of these capacitive coupling surfaces 15a, 15b spaced between one of the two resonator inner conductors 7a and the lid assembly is arranged.
  • the over-coupling element 15 is galvanically separated from the resonator inner conductors 7 a, the at least one separating web 4 and the filter frame 2.
  • the over-coupling element 15 is therefore preferably held by a dielectric and is thereby spaced from the aforementioned elements. Via the dielectric, the over-coupling element 15 is electrically isolated on a first resonator inner conductor 7a.
  • the over-coupling element 15 extends exclusively in the first receiving chamber 3a. It would also be possible that this runs exclusively in the second receiving chamber 3b.
  • the capacitive coupling surfaces 15a, 15b of the over-coupling element 15 preferably abut against the extension section 9a of the resonator inner conductor 7a. They should be as far away as possible from the base of the respective first resonator inner conductor 7a above this contact.
  • the capacitive coupling surfaces 15a, 15b are therefore preferably arranged more at the end of the first resonator inner conductor 7a, which is not galvanically connected to the separating web 4 and the filter frame 2, that is the furthest from these. The same would also apply to an over-coupling element 15, which rests in the second receiving chamber 3b.
  • the over-coupling element 15 extends from the first receiving chamber 3 via a further recess 16, which is formed in the at least one divider 4, in the second receiving chamber 3b. This recess 16 is in FIG. 7A to see.
  • the over-coupling element 15 is preferably arranged in equal parts in the first and in the second receiving chamber 3a, 3b.
  • the coupling surfaces 15a, 15b respectively point in the same direction and preferably in the direction in which the extension sections 9a, 9b are also directed.
  • the over-coupling element 15 is in FIG. 7C galvanically isolated from the divider 4.
  • the recess 16 is completely closed by the dielectric which completely surrounds the over-coupling element 15 over a certain length.
  • the over-coupling element 15 is a web which has at both ends, which preferably extends to the web course perpendicularly extending coupling surfaces 15a, 15b. These are preferably wider than the bridge.
  • the web itself is preferably completely surrounded by the dielectric along a certain length.
  • a galvanic separation takes place through the dielectric towards the cover arrangement or the separating web 4 or the first or second resonator inner conductor 7a, 7b.
  • the bridge has a shorter length than in FIG. 7C ,
  • the web should be so long that the coupling surfaces 15a, 15b come to rest over the extension sections 9a, 9b of the resonator inner conductors 7a, 7b.
  • FIG. 6 is again an inductive coupling between two resonator inner conductors 7a shown in the same receiving chamber 3a.
  • FIG. 11 is one inductive coupling between two resonator inner conductors 7a, 7b in two different receiving chambers 3a, 3b shown.
  • the inductive coupling takes place in FIG. 6 between two resonator inner conductors 7a which are not adjacent or which do not follow one another on the signal transmission path.
  • the inductive overcoupling is formed by the Matterkopplungsstab 17 which is galvanically connected to the two resonator inner conductors 7a and extends between these and the lid assembly.
  • the Heidelbergkopplungsstab 17 has two ends, which are preferably angled, wherein it is electrically connected at these ends, in particular by a soldering process with the two resonator inner conductors 7a.
  • the Heidelbergkopplungsstab 17 is preferably closer to the bottom of the resonator inner conductor 7a with these galvanically connected, as at the free ends.
  • the inductive coupling could also be done without contact.
  • the over-coupling rod 17 runs exclusively in the first receiving chamber 3a. However, it could also run exclusively in the second receiving chamber 3b. In FIG. 11
  • the over-coupling rod 17 extends from the first receiving chamber 3a via the opening 6 into the second receiving chamber 3b. It would also be possible that the Matterkopplungsstab 17 via a further recess, as for example in FIG. 7A for the capacitive over-coupling element 15 through which at least one divider 4 passes.
  • FIG. 16 shows that the coaxial filter 1 comprises a total of n filter frame 2, with n ⁇ 2, wherein in each filter frame 2 at least one divider 4 is formed with first and second resonator inner conductors 7a, 7b.
  • the n filter frame 2 are arranged one above the other and preferably completely overlap. They are therefore arranged congruently one above the other. All filter frames 2 preferably have the same dimensions. This applies in particular to the width (page 5c to page 5d) and the length (page 5a to page 5d). Preferably, they can differ only in height from each other.
  • the lid assembly completes the outer filter frame 2.
  • the cover assembly also includes at least n-1 intermediate cover 20. At least one of the intermediate cover 20 is disposed between each two filter frame 2.
  • the at least one intermediate cover 20 comprises at least one coupling opening 18, whereby a coupling between at least two resonator inner conductors 7a, 7b different filter frame 2 takes place.
  • the filter path can be lengthened in a very simple manner, whereas at the same time the coaxial filter 1 has a compact design.
  • Different filter paths can be connected to each other.
  • the Figures 18A and 18B show that various tuning elements 19 can be screwed through the lid assembly in the individual receiving chambers 3a, 3b.
  • This part-circular recess in plan view can also be found in the filter frame 2, as in Figures 18A and 18B represented, or continue in the divider 4.
  • the tuning elements 19 can also be arranged next to the extension section 9a or 9b of the respective resonator inner conductors 7a, 7b.
  • a surface of the at least one first and / or second resonator inner conductor 7a, 7b, which runs parallel to the cover arrangement, that is to the outer covers 22, 23, is larger than the largest side face of the at least one first and / or second resonator inner conductor 7a 7b, which runs transversely, preferably perpendicular to the cover arrangement, that is to say to the outer covers 22, 23.
  • the first resonator inner conductor 7a includes five side surfaces and two surfaces. One surface is disposed adjacent to the first outer lid 22 and another surface is disposed adjacent to the second outer lid 23.
  • a cross section and a longitudinal section through the at least one first and / or second resonator inner conductor 7a, 7b is preferably angular, in particular rectangular or square.
  • a surface of the at least one first and / or second separating diaphragm 11a, 11b, which runs parallel to the cover arrangement, that is to say to the outer covers 22, 23, is smaller than the largest or smallest lateral surface of the at least one first and / or second partition panel 11a, 11b, which transversely, preferably perpendicular to the cover assembly, so to the outer covers 22, 23 extends.
  • the at least one first divider 11a includes three side surfaces and two surfaces. One surface is disposed adjacent to the first outer lid 22 and another surface is disposed adjacent to the second outer lid 23.
  • one or both surfaces of the at least one first divider panel 11a are galvanically connected (touching each other) to one or both of the outer panels 22, 23.
  • the surfaces of the resonator inner conductors 7a, 7b are arranged without contact to the outer covers 22, 23, that is spaced therefrom.
  • a receiving chamber 3a, 3b comprises at least two resonator inner conductors 7a, 7b.
  • Separating devices within the respective receiving chamber 3a, 3b such as separating diaphragms 11a, 11b, do not extend over the entire width of the respective receiving chamber 3a, 3b.
  • the width is defined, for example, by the at least one divider 4 to the third side 5c or the fourth side 5d of the filter frame 2.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)

Claims (14)

  1. Filtre coaxial (1) sur cadre, présentant les caractéristiques suivantes :
    - au moins un cadre de filtre (2) consiste en un milieu conducteur d'électricité et présente un espace d'accueil (3) comportant une première chambre d'accueil (3a), l'espace d'accueil (3) étant disposé à l'intérieur de l'au moins un cadre de filtre (2) conducteur d'électricité, moyennant quoi l'au moins un cadre de filtre (2) conducteur d'électricité constitue une bordure de l'espace d'accueil (3) ;
    - un dispositif d'obturation est disposé sur les deux extrémités ouvertes de l'au moins un cadre de filtre (2) de manière que l'espace d'accueil (3) soit fermé sur tous les côtés ;
    - au moins un premier conducteur interne formant résonateur (7a) est disposé dans l'espace d'accueil (3) ;
    - au moins une traverse de séparation conductrice d'électricité (4) part d'un premier côté (5a) de l'au moins un cadre de filtre (2) en étant en liaison galvanique avec celui-ci, fait saillie dans l'espace d'accueil (3) en étant dirigée vers un deuxième côté (5b), opposé au premier côté (5a), de l'au moins un cadre de filtre (2) et s'y termine en formant une ouverture (6) par rapport audit côté, moyennant quoi l'espace d'accueil (3) est divisé au moins en la première chambre d'accueil (3a) et en une deuxième chambre d'accueil (3b) ainsi qu'en l'ouverture (6) reliant les au moins deux chambres d'accueil (3a, 3b) ;
    - l'au moins un premier conducteur interne formant résonateur (7a) est disposé dans l'au moins une première chambre d'accueil (3a) de l'espace d'accueil (3) ;
    - l'au moins un premier conducteur interne formant résonateur (7a) est :
    a) en liaison galvanique avec un troisième côté (5c) de l'au moins un cadre de filtre (2) conducteur d'électricité et s'étend à partir de celui-ci en direction d'un premier côté (4a) de la traverse de séparation conductrice d'électricité (4) et se termine avant d'atteindre la traverse de séparation conductrice d'électricité (4), ou
    b) en liaison galvanique avec le premier côté (4a) de la traverse de séparation conductrice d'électricité (4) et s'étend à partir de celle-ci en direction du troisième côté (5c) de l'au moins un cadre de filtre (2) conducteur d'électricité et se termine avant d'atteindre le cadre de filtre (2) conducteur d'électricité ; et
    - au moins un deuxième conducteur interne formant résonateur (7b) est disposé dans l'au moins une deuxième chambre d'accueil (3b) de l'espace d'accueil (3) ;
    - l'au moins un deuxième conducteur interne formant résonateur (7b) est :
    a) en liaison galvanique avec un quatrième côté (5d) de l'au moins un cadre de filtre (2) conducteur d'électricité, s'étend à partir de celui-ci en direction d'un deuxième côté (4b) de la traverse de séparation conductrice d'électricité (4) et se termine avant d'atteindre la traverse de séparation conductrice d'électricité (4), ou
    b) en liaison galvanique avec le deuxième côté (4b) de la traverse de séparation conductrice d'électricité (4), s'étend à partir de celle-ci en direction du quatrième côté (5d) de l'au moins un cadre de filtre (2) conducteur d'électricité et se termine avant d'atteindre le cadre de filtre (2) conducteur d'électricité ; et caractérisé en ce que
    - l'au moins un cadre de filtre (2) est conçu d'un seul tenant avec ladite traverse de séparation (4) et les au moins un premier et deuxième conducteurs internes formant résonateurs (7a, 7b).
  2. Filtre coaxial (1) selon la revendication 1, caractérisé par la caractéristique suivante :
    - l'au moins un cadre de filtre (2) est produit par moulage conjointement à l'au moins une traverse de séparation (4) et aux au moins un premier et deuxième conducteurs internes formant résonateurs (7a, 7b).
  3. Filtre coaxial (1) selon l'une des revendications précédentes, caractérisé par les caractéristiques suivantes :
    - l'au moins une traverse de séparation (4) est en liaison galvanique avec le deuxième côté (5b) du cadre de filtre (2), la traverse de séparation (4) présentant, à la transition avec le deuxième côté (5b) du cadre de filtre (2), une hauteur inférieure à celle du cadre de filtre (2) vers le dispositif d'obturation, en formant ainsi l'ouverture (6), ou
    - l'au moins une traverse de séparation (4) est espacée du deuxième côté (5b) du cadre de filtre (2), en formant ainsi l'ouverture (6).
  4. Filtre coaxial (1) selon l'une des revendications précédentes, caractérisé par les caractéristiques suivantes :
    - l'au moins un premier conducteur interne formant résonateur (7a) présente une hauteur inférieure à celle du cadre de filtre (2) et/ou de la traverse de séparation (4) et est à une distance prédéterminée du dispositif d'obturation, et/ou
    - l'au moins un deuxième conducteur interne formant résonateur (7b) présente une hauteur inférieure à celle du cadre de filtre (2) et/ou de la traverse de séparation (4) et est à une distance prédéterminée du dispositif d'obturation.
  5. Filtre coaxial (1) selon l'une des revendications précédentes, caractérisé par les caractéristiques suivantes :
    a)
    - l'au moins un premier conducteur interne formant résonateur (7a) est en liaison galvanique par sa première extrémité avec le troisième côté (5c) du cadre de filtre (2) ou avec le premier côté (4a) de l'au moins une traverse de séparation (4),
    - une deuxième extrémité de l'au moins un premier conducteur interne formant résonateur (7a), opposée à la première extrémité, présente une section de prolongement (9a) en direction du premier et/ou du deuxième côté (5a, 5b) du cadre de filtre (2), moyennant quoi l'au moins un premier conducteur interne formant résonateur (7a) présente une forme en L ou en T, vu de dessus ;
    et/ou
    b)
    - l'au moins un deuxième conducteur interne formant résonateur (7b) est en liaison galvanique par sa première extrémité avec le quatrième côté (5d) du cadre de filtre (2) ou avec le deuxième côté (4b) de l'au moins une traverse de séparation (4),
    - une deuxième extrémité de l'au moins un deuxième conducteur interne formant résonateur (7b), opposée à la première extrémité, présente une section de prolongement (9b) en direction du premier et/ou du deuxième côté (5a, 5b) du cadre de filtre (2), moyennant quoi l'au moins un deuxième conducteur interne formant résonateur (7b) présente une forme en L ou en T, vu de dessus.
  6. Filtre coaxial (1) selon l'une des revendications précédentes, caractérisé par les caractéristiques suivantes :
    - deux premiers conducteurs internes formant résonateurs (7a) voisins sont en liaison galvanique par le biais d'une première traverse de couplage (10a), la première traverse de couplage (10a) étant :
    a) disposée à distance du cadre de filtre (2) et à distance de l'au moins une traverse de séparation (4), ou
    b) en liaison galvanique avec le cadre de filtre (2) ou avec l'au moins une traverse de séparation (4) par son côté tourné vers le cadre de filtre (2) ou vers l'au moins une traverse de séparation (4) ; et/ou
    - deux deuxièmes conducteurs internes formant résonateurs (7b) voisins sont en liaison galvanique par le biais d'une deuxième traverse de couplage (10b), la deuxième traverse de couplage (10b) étant :
    a) disposée à distance du cadre de filtre (2) et à distance de l'au moins une traverse de séparation (4), ou
    b) en liaison galvanique avec le cadre de filtre (2) ou avec l'au moins une traverse de séparation (4) par son côté tourné vers le cadre de filtre (2) ou vers l'au moins une traverse de séparation (4).
  7. Filtre coaxial (1) selon l'une des revendications précédentes, caractérisé par les caractéristiques suivantes :
    - au moins une première plaque de séparation (11a) est disposée entre deux premiers conducteurs internes formant résonateurs (7a) voisins, afin de réduire le couplage des deux premiers conducteurs internes formant résonateurs (7a), l'au moins une première plaque de séparation (11a) étant en liaison galvanique avec le troisième côté (5c) du cadre de filtre (2) et/ou avec le premier côté (4a) de l'au moins une traverse de séparation (4) et pénètre dans la première chambre d'accueil (3a) sur une longueur prédéterminée, et/ou
    - au moins une deuxième plaque de séparation (11b) est disposée entre deux deuxièmes conducteurs internes formant résonateurs (7b) voisins, afin de réduire le couplage des deux deuxièmes conducteurs internes formant résonateurs (7b), l'au moins une deuxième plaque de séparation (11b) étant en liaison galvanique avec le quatrième côté (5d) du cadre de filtre (2) et/ou avec le deuxième côté (4b) de l'au moins une traverse de séparation (4) et pénètre dans la deuxième chambre d'accueil (3b) sur une longueur prédéterminée.
  8. Filtre coaxial (1) selon l'une des revendications précédentes, caractérisé par la caractéristique suivante :
    - il est prévu au moins un surcouplage capacitif ou inductif entre deux conducteurs internes formant résonateurs (7a, 7b) qui sont non voisins ou qui ne sont pas consécutifs sur la voie de transmission de signaux de conducteurs internes formant résonateurs (7a, 7b).
  9. Filtre coaxial (1) selon la revendication 8, caractérisé par la caractéristique suivante :
    - l'au moins un surcouplage capacitif ou inductif est disposé entre deux conducteurs internes formant résonateurs (7a, 7b) d'une même chambre d'accueil (3a, 3b) ou entre deux conducteurs internes formant résonateurs (7a, 7b) de deux chambres d'accueil (3a, 3b) différentes.
  10. Filtre coaxial (1) selon la revendication 8 ou 9, caractérisé par les caractéristiques suivantes :
    - le surcouplage inductif est formé par une barre de surcouplage (17) qui est en liaison galvanique avec les deux conducteurs internes formant résonateurs (7a, 7b) et qui se situe entre ceux-ci et le dispositif d'obturation ;
    - la barre de surcouplage (17) est comprise :
    a) exclusivement dans la première chambre d'accueil (3a), ou
    b) exclusivement dans la deuxième chambre d'accueil (3b), ou
    c) entre la première chambre d'accueil (3a) et la deuxième chambre d'accueil (3b) en passant par l'ouverture (6), ou par un autre évidement (16) réalisé dans l'au moins une traverse de séparation (4).
  11. Filtre coaxial (1) selon l'une des revendications 8 à 10, caractérisé par les caractéristiques suivantes :
    - le surcouplage capacitif est formé par un élément de surcouplage (15) présentant au moins deux surfaces de couplage capacitives (15a, 15b) reliées l'une à l'autre, chacune de ces surfaces de couplage capacitives (15a, 15b) étant disposée avec un certain écart entre l'un des deux conducteurs internes formant résonateurs (7a, 7b) et le dispositif d'obturation ;
    - l'élément de surcouplage (15) est séparé galvaniquement des conducteurs internes formant résonateurs (7a, 7b), de l'au moins une traverse de séparation (4) et du cadre de filtre (2) ; et
    - l'élément de surcouplage (15) est compris :
    a) exclusivement dans la première chambre d'accueil (3a), ou
    b) exclusivement dans la deuxième chambre d'accueil (3b), ou
    c) entre la première chambre d'accueil (3a) et la deuxième chambre d'accueil (3b) en passant par l'ouverture (6), ou par un autre évidement (16) réalisé dans l'au moins une traverse de séparation (4).
  12. Filtre coaxial (1) selon l'une des revendications précédentes, caractérisé par la caractéristique suivante :
    - une surface de l'au moins un premier et/ou deuxième conducteur interne formant résonateur (7a, 7b), qui s'étend parallèlement au dispositif d'obturation, et donc parallèlement aux obturations extérieures (22, 23), est supérieure à la plus grande surface latérale de l'au moins un conducteur interne formant résonateur (7a, 7b) respectif, ladite surface latérale étant transversale, de préférence perpendiculaire, au dispositif d'obturation et donc aux obturations extérieures (22, 23).
  13. Filtre coaxial (1) selon l'une des revendications précédentes, caractérisé par les caractéristiques suivantes :
    - le filtre coaxial (1) comprend n cadres de filtre (2), où n ≥ 2, plusieurs conducteurs internes formant résonateurs (7a, 7b) étant conçus dans chaque cadre de filtre (2),
    - les n cadres de filtre (2) sont disposés les uns sur les autres,
    - le dispositif d'obturation clôt les cadres de filtre (2) extérieurs,
    - le dispositif d'obturation comprend au moins n-1 obturation(s) intermédiaire(s) (20),
    - au moins une des obturations intermédiaires (20) est disposée entre deux cadres de filtre (2),
    - l'obturation intermédiaire (20) comprend au moins une ouverture de couplage (18), permettant un couplage entre au moins deux conducteurs internes formant résonateurs (7a, 7b) de cadres de filtre (2) différents.
  14. Filtre coaxial (1) selon l'une des revendications précédentes, caractérisé par les caractéristiques suivantes :
    - le filtre coaxial (1) comprend encore m traverses de séparation supplémentaires, où m ≥ 1, qui divisent l'espace d'accueil (3) en m chambres d'accueil supplémentaires, lesdites m chambres d'accueil supplémentaires présentant chacune au moins un conducteur interne formant résonateur supplémentaire et lesdites m traverses de séparation supplémentaires
    a) étant en liaison galvanique avec l'au moins un cadre de filtre (2) par un premier côté (5a) de celui-ci et faisant saillie dans l'espace d'accueil (3) en étant dirigées vers le deuxième côté (5b) et s'y terminant en formant une ouverture par rapport audit côté ; ou
    b) étant en liaison galvanique avec l'au moins un cadre de filtre (2) alternativement par le premier et le deuxième côté (5a, 5b) de celui-ci moyennant quoi les différentes chambres d'accueil (3a, 3b) sont reliées entre elles avec formation de méandres.
EP17160113.1A 2016-03-14 2017-03-09 Filtre coaxial en treillis Active EP3220473B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016104608.6A DE102016104608A1 (de) 2016-03-14 2016-03-14 Koaxialfilter in Rahmenbauweise

Publications (2)

Publication Number Publication Date
EP3220473A1 EP3220473A1 (fr) 2017-09-20
EP3220473B1 true EP3220473B1 (fr) 2019-02-27

Family

ID=58266450

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17160113.1A Active EP3220473B1 (fr) 2016-03-14 2017-03-09 Filtre coaxial en treillis

Country Status (4)

Country Link
US (1) US10347958B2 (fr)
EP (1) EP3220473B1 (fr)
CN (1) CN107196023B (fr)
DE (1) DE102016104608A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017119907A1 (de) * 2017-08-30 2019-02-28 Kathrein Se Koaxialfilter
CN110197941B (zh) * 2018-02-26 2021-07-16 上海诺基亚贝尔股份有限公司 谐振器装置、滤波器和通信设备
EP3797447A4 (fr) * 2018-06-04 2022-01-05 Nokia Solutions and Networks Oy Filtre à cavité
US11223094B2 (en) 2018-12-14 2022-01-11 Commscope Italy S.R.L. Filters having resonators with negative coupling
CN111446524B (zh) * 2019-01-17 2022-04-08 罗森伯格技术有限公司 一种单层交叉耦合滤波器
EP3913734A4 (fr) * 2019-01-17 2022-09-07 Rosenberger Technology (Kunshan) Co., Ltd. Filtre à couplage transversal monocouche
WO2020147063A1 (fr) * 2019-01-17 2020-07-23 罗森伯格技术（昆山）有限公司 Filtre
CN111952700B (zh) * 2019-05-14 2022-05-17 罗森伯格技术有限公司 一种交叉耦合滤波器
WO2020227919A1 (fr) 2019-05-14 2020-11-19 罗森伯格技术（昆山）有限公司 Filtre à couplage transversal
EP3979405A4 (fr) 2019-08-06 2023-01-18 Rosenberger Technologies Co., Ltd. Filtre à couplage transversal
EP4364238A1 (fr) 2021-07-02 2024-05-08 Thales Alenia Space Italia S.p.A. Con Unico Socio Filtre coaxial entièrement reconfigurable

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3597709A (en) * 1969-03-24 1971-08-03 Microwave Dev Lab Inc Filter having direct and cross-coupled resonators
US3534244A (en) * 1969-06-11 1970-10-13 Trak Microwave Corp Broad band microwave frequency multiplier
JPS58172001A (ja) * 1982-04-01 1983-10-08 Nippon Dengiyou Kosaku Kk 誘電体ろ波器
US4660004A (en) * 1985-05-08 1987-04-21 Orion Industries, Inc. Duplexer including integral interdigital transmitter and receiver filters and three-quarter wavelength antenna transformer section
US4890078A (en) * 1988-04-12 1989-12-26 Phase Devices Limited Diplexer
JPH05206706A (ja) * 1992-01-30 1993-08-13 Reader Denshi Kk インターデジタル型バンドパスフィルタ
US5262742A (en) * 1992-05-20 1993-11-16 Radio Frequency Systems, Inc. Half-wave folded cross-coupled filter
US5446729A (en) * 1993-11-01 1995-08-29 Allen Telecom Group, Inc. Compact, low-intermodulation multiplexer employing interdigital filters
JP3385909B2 (ja) * 1997-05-13 2003-03-10 三菱電機株式会社 フィルタ及び送受信器
DE102004010683B3 (de) 2004-03-04 2005-09-08 Kathrein-Werke Kg Hochfrequenzfilter
EP1732158A1 (fr) * 2005-05-30 2006-12-13 Matsushita Electric Industrial Co., Ltd. Filtre à micro-ondes avec un résonateur coaxial couplé avec le paroi terminale
WO2010088373A2 (fr) * 2009-01-29 2010-08-05 Emwavedev Couplage inductif dans un mode électromagnétique transversal
JP5341121B2 (ja) * 2011-02-22 2013-11-13 島田理化工業株式会社 共振器
CN102361115B (zh) * 2011-09-30 2014-07-30 深圳市大富科技股份有限公司 一种腔体滤波器的制造方法
CN102742072B (zh) * 2011-12-30 2014-07-30 华为技术有限公司 一种高频滤波器
EP3203633B1 (fr) * 2013-09-27 2022-05-18 Intel Corporation Couplage non adjacent de plusieurs résonateurs

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
CN107196023A (zh) 2017-09-22
US10347958B2 (en) 2019-07-09
US20170263992A1 (en) 2017-09-14
CN107196023B (zh) 2020-03-06
EP3220473A1 (fr) 2017-09-20
DE102016104608A1 (de) 2017-09-14

Similar Documents

Publication Publication Date Title
EP3220473B1 (fr) Filtre coaxial en treillis
DE818384C (de) Filter zur UEbertragung eines Bandes in Hohlleitern gefuehrter elektrischer Mikro-Wellen
EP2656435B1 (fr) Filtre haute fréquence réglable
DE2538614C3 (de) Dielektrischer Resonator
DE2723013C2 (de) Dielektrischer Resonator
DE69524673T3 (de) Dielektrisches Filter
DE112013005683T5 (de) Dielektrischer Wellenleiterfilter mit direkter Kopplung und alternativer Kreuzkopplung
DE2946836C2 (de) Hochfrequenzfilter
WO2015180820A1 (fr) Boîtier blindé contre les hautes fréquences, en particulier boîtier de filtre blindé contre les hautes fréquences
DE102005047336A1 (de) Hohlleiter-Bandstoppfilter
EP3089260B1 (fr) Filtres multiples comprenant des substrats dielectriques destines a transmettre des modes tm dans une direction transversale
EP3451441B1 (fr) Filtre coaxial
EP3096394B1 (fr) Filtres haute frequence comprenant des substrats dielectriques destines a transmettre des modes tm dans une direction transversale
DE2705245C2 (fr)
DE60215749T2 (de) Dielektrisches Bauteil
DE102004045006B4 (de) Hochfrequenzfilter
DE69818326T2 (de) Dielektrisches Filter, dielektrischer Duplexer und Verfahren zu deren Herstellung
DE19602815A1 (de) Mikrowellenbandpaßfiltervorrichtung mit Kreuzkopplung
DE60110033T2 (de) Bandpassfilter mit einer kompakten dielektrischen Struktur aus halbwellen Resonatoren und dazwischenliegenden evanescenten Wellenleitern
EP1812986B1 (fr) Filtre haute frequence
DE60027982T2 (de) Dielektrisches Filter, dielektrischer Duplexer und Kommunikationsgerät mit einer derartigen Schaltungsanordnung
EP3298649B1 (fr) Système de transmission des hautes fréquences comprenant une traversée hf reliée par ligne
DE10209977A1 (de) Antennenanordnung mit einem Flächendipol
DE1616354B1 (de) Halterung fuer eine Halbleitereinrichtung in einem Hohlleiter
AT410868B (de) Dielektrisches filter und duplex-filter

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20180315

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20180529

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20181005

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: KATHREIN SE

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502017000803

Country of ref document: DE

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1102669

Country of ref document: AT

Kind code of ref document: T

Effective date: 20190315

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: SE

Ref legal event code: TRGR

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20190227

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190527

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190627

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190227

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190227

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190227

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190528

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190227

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190227

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190527

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190627

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190227

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190227

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190227

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190227

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190227

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190227

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190227

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190227

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502017000803

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190227

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190227

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190309

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20190331

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190227

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190309

26N No opposition filed

Effective date: 20191128

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190331

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190227

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190427

REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 502017000803

Country of ref document: DE

Representative=s name: FLACH BAUER STAHL PATENTANWAELTE PARTNERSCHAFT, DE

Ref country code: DE

Ref legal event code: R081

Ref document number: 502017000803

Country of ref document: DE

Owner name: ERICSSON AB, SE

Free format text: FORMER OWNER: KATHREIN SE, 83022 ROSENHEIM, DE

Ref country code: DE

Ref legal event code: R081

Ref document number: 502017000803

Country of ref document: DE

Owner name: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL), SE

Free format text: FORMER OWNER: KATHREIN SE, 83022 ROSENHEIM, DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190227

REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 502017000803

Country of ref document: DE

Representative=s name: FLACH BAUER STAHL PATENTANWAELTE PARTNERSCHAFT, DE

Ref country code: DE

Ref legal event code: R081

Ref document number: 502017000803

Country of ref document: DE

Owner name: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL), SE

Free format text: FORMER OWNER: ERICSSON AB, STOCKHOLM, SE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190227

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200331

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200331

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190227

REG Reference to a national code

Ref country code: FI

Ref legal event code: PCE

Owner name: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20170309

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20210309

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210309

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190227

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FI

Payment date: 20230327

Year of fee payment: 7

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 1102669

Country of ref document: AT

Kind code of ref document: T

Effective date: 20220309

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20230315

Year of fee payment: 7

Ref country code: DE

Payment date: 20230329

Year of fee payment: 7

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20220309