EP2374182B1 - Ensemble filtre - Google Patents

Ensemble filtre Download PDF

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Publication number
EP2374182B1
EP2374182B1 EP10718479.8A EP10718479A EP2374182B1 EP 2374182 B1 EP2374182 B1 EP 2374182B1 EP 10718479 A EP10718479 A EP 10718479A EP 2374182 B1 EP2374182 B1 EP 2374182B1
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EP
European Patent Office
Prior art keywords
stub
inner conductor
line
filter arrangement
conductor
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EP10718479.8A
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German (de)
English (en)
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EP2374182A1 (fr
Inventor
Thomas Haunberger
Manfred Stolle
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Kathrein SE
Original Assignee
Kathrein Werke KG
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Publication of EP2374182A1 publication Critical patent/EP2374182A1/fr
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    • 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
    • H01P7/00—Resonators of the waveguide type
    • H01P7/04—Coaxial resonators

Definitions

  • the invention relates to a filter assembly according to the preamble of claim 1.
  • filter arrangements and, in turn, notch filters are of great importance.
  • Such blocking circuits may be known, e.g. be realized by a parallel connection of a coil and a capacitor in the form of a resonant circuit.
  • the filter arrangements in question may consist, for example, of a high-pass filter (HP), a low-pass filter (TP) or a bandpass filter (BP), which are constructed, for example, from series and / or parallel circuits of L / C components.
  • Such filter arrangements or blocking-circle filters are frequently used in mobile radio technology for operating multiband antennas, for example in order to achieve a decoupling of approximately 50 dB between the frequency bands.
  • such filters can also be used for intersystem decoupling be used in multi-band antennas, since additional blocking filters are needed to achieve the aforementioned 50 dB decoupling between the frequency bands.
  • a good adaptation (VSWR) and a low attenuation must be ensured in the pass band of the frequency band to be transmitted.
  • microstrip filter training is for example also from the VS M ⁇ TT ⁇ NEN ET AL .: "Subharmonic Waveguide Mixer AT 215 GHZ Utilizing Quasivertical Schottky Diodes", Microwave and Optical Technology Letters, Vol. 27, No. 2, Oct. 20, 2000 (2000-10-20), pages 94-97 , XP002589626 as known.
  • a corresponding RF filter arrangement is for example also from the US Pat. No. 6,278,341 B1 to be known as known.
  • the filter is designed so that lead away from an RF inner conductor one or more stubs.
  • the inner conductor is arranged at a distance to the outer conductor.
  • the stub lines leading away from the inner conductor are arranged directly adjacent to an outer conductor section.
  • the stub line is arranged on one side of a substrate, wherein the substrate rests on a corresponding outer conductor surface, so that the stub directly interacts with the outer conductor.
  • one or more branch lines are branched off from a signal line transmitting an HF signal.
  • triple soldered connectors are arranged on the RF signal line, one of these solder joints serves as a branch point for the aforementioned spur line, which ends open, so idle.
  • a plurality of such stub lines can be arranged lying in an offset manner, which also extend towards one another, for example, between two triple solder connections and ends in each case freely.
  • transformation routes can be provided.
  • a high frequency filter which at a distance to a ground surface comprises an inner conductor which sits on a dielectric and thereby at a distance from the ground plane is held.
  • this inner conductor branch off spiral-shaped stub lines, which are formed on a dielectric material as a strip conductor and are thus arranged at a distance from the ground surface.
  • the entire assembly is housed in a conductive housing.
  • a comparable with the above-mentioned prior art solution of a transmission path with a arranged in an outer conductor tube locking pot is for example from the US 3,872,412 known.
  • Object of the present invention is to provide a comparison with the prior art improved filter ago all a simpler and thus cheaper producible filter.
  • a blocking filter i. a barrier circuit filter is provided, which is very simple in construction, can be easily manufactured, while having the desired electrical properties.
  • the filter according to the invention also has advantages insofar as it can easily be adapted to the blocking frequency, etc.
  • the barrier circuit filter according to the invention is characterized in that similar to the construction of a coaxial barrier circuit filter according to the prior art stub lines are used, which branch off from the RF signal-transmitting main, but these locking lines do not have their own outer conductor, so not as a separate coaxial or microstrip -Leititch are constructed, but that the RF signal main line and the branching off branch lines in a common outer conductor, ie are arranged in a common outer conductor arrangement.
  • a favorable and space-saving arrangement of the filter according to the invention can be realized that the only one inner conductor structure having stubs more or less in their essential longitudinal extent are arranged parallel to the signal transmitting main RF line and are only connected via a short elbow electrically-galvanically connected to the main line.
  • the entire arrangement can then be accommodated in an outer conductor tube with arbitrary outer conductor cross-sectional shapes, that is to say in a cylindrical outer conductor, in an outer conductor with an angular cross-section etc. Restrictions do not exist in this respect.
  • the impedance of the blocking filter can be infinitely easily adjusted.
  • a change in the impedance can be easily realized by the distance of the realized only in the form of an inner conductor stub to the outer conductor is changed, which surrounds this stub and the RF main line together. The smaller this distance, the lower / lower the impedance (low impedance).
  • the stub is preferably formed in the form of a sheet, i. in the form of a metal strip. The wider this strip becomes (more or less in parallel alignment with the outer conductor tube surrounding it), the lower / lower the impedance (lower resistance).
  • the solution according to the invention proposes at least two branch lines within the scope of the filter arrangement according to the invention. For a first sense would cause a frequency response that would be overcompensated by the subsequent transformation line. The measures provided for in the context of the invention follow However, the second spur line then compensates for the "overcompensated" frequency response caused by the transformation line. As a result, an optimal adaptation of the filter can be achieved.
  • the stub lines can also be realized in multiple stages, that is to say with different impedances.
  • the stubs may transition from a wider portion to a narrower portion so that their width changes. This allows very large transmission bandwidths to be realized.
  • the stop band is set with the number of stub lines (poles).
  • the stubs can be strengthened not only two or more stages to form different widths, but also have different diameters (material thicknesses).
  • the width of the stub to the open end increases towards.
  • a plurality of stub lines in the longitudinal direction of the RF signal line can be arranged offset from one another, wherein the stubs can for example run towards each other, and are optionally offset in the circumferential direction of the signal main line to each other.
  • a plurality of stub lines can be realized very space-saving. It can even from a common branch point are arranged from several stubs over circumferentially offset to the main signal line elbows that do not affect each other in fact.
  • the solution according to the invention also has great advantages insofar as particularly high RF powers can be transmitted. Because it can be used in the invention very thick inner conductor for the main signal line, which also leads to particularly low resistance values in the DC transmission. In contrast, the solution according to the prior art has often allowed only the use of comparatively thin inner conductor.
  • a mechanical improvement and increase in stability can also be realized by placing electrical spacers, for example in the form of dielectric disks, on the signal main line (ie the transformation line), on the outer circumference of which the stub lines extending parallel to the main signal line rest. If required, dielectric spacers may also be placed on the stub lines, so that they can not contact the outer conductor itself during assembly with the outer conductor and / or also maintain the distance to the signal main or transformation line.
  • an RF inner conductor 1 is shown, which may for example consist of a metallic, rod-shaped inner conductor.
  • the RF inner conductor 1 forms a high-impedance transformation line 1 ', which extends between two inner conductor sections 1 "offset in the longitudinal direction of the HF inner conductor 1.
  • the high-resistance transformation line section 1' coincides a thinner cross-section is provided as the adjoining inner conductor section 1 ", which represent a 50 ⁇ system.
  • the length of the two branch lines 5a and 5b is chosen differently, whereby the number of mutually offset blocking poles is increased, whereby the bandwidth to be blocked is increased.
  • the length of the respective spur line is chosen so that, depending on the desired blocking effect, the open circuit is transformed into a short circuit at the respective connection point 7a, at which the spur line 5 is electrically connected to the RF inner conductor 1.
  • the electrical length of the transformation line 1 ' is chosen such that the frequency response or frequency responses caused by the at least one stub or by the multiple stubs (for example 5a, 5b etc.) are compensated or overcompensated. With an overcompensated frequency response, the "next" spur line compensates.
  • a first spur line would cause a frequency response that would be overcompensated by the subsequent transformation line.
  • the adjoining second stub line then compensates for the "overcompensated" frequency response caused by the transformation line. This makes it possible to achieve optimum adaptation of the filter.
  • the lengths of the transformation lines and the impedance of the transformation line are thereby selected for optimal frequency compensation. As a result, a particularly good VWSR ratio can be achieved overall.
  • the peculiarity of the invention lies in the fact that not only the RF signal line 1, so the Transformation line 1 ', but also the one or more stubs 5 and 5a, 5b, etc. are housed in a common outer conductor assembly 11. In other words, therefore, the stubs do not have any further outer conductor arrangements 11 assigned to them separately.
  • FIG. 1 the tubular outer conductor arrangement shown in axial section as the inner conductor 1 "separated by an insulator or by a dielectric from the inner conductor, which in FIG. 1 but not further shown.
  • the stubs 5 are not formed of round material (although this is possible), but preferably from a flat material, similar to an electrically conductive metal strip.
  • the metal strip of the stub 5 extends with its leg 7 'in a length of preferably over 60%, in particular more than 70%, 80% or more than 90% more or less parallel to the RF signal-transmitting inner conductor arrangement 1 and is only about a short to the inner conductor 1 radially extending leg 7 "connected to the RF inner conductor 1 and mechanically anchored and held.
  • the stub lines 5, ie in particular the legs 7 'can also be formed from round material, for example also with an almost semicircular cross section. This would open up the possibility that in a same section of the transformation line 1 'at least two in the same direction or in opposite directions running stubs with the transformation line 1 'can be arranged running in the center.
  • the outwardly bow-shaped convex legs 7 ' would then preferably be coaxial with the outer conductor or outer conductor tube to lie. It is so far on FIG. 1a in derogation to FIG.
  • a leg 7 'of the stub 5 extending from the connection point 7a or the radial limb 7 "and extending in the illustrated embodiment along the transformation conductor 1' adjacent to the free end comprises a stub portion 105a having a significantly greater width, this stub portion 105a with its stub larger width B is designed semi-cylindrical, and that coaxial with the inner or transformation conductor 1, 1 ' FIG. 1a
  • the bottom stub is similarly designed so that both stubs overlap without the semicircular stripline portions 105a being able to touch.
  • the stripline sections 105a could also be less than semicircular in cross-section or even be provided with a more than 180 °, part-circular stripline section.
  • the stubs in total or at least the free-ending leg 7 ' may be cylindrical and arranged with lateral offset to the transformation line 1 within the outer conductor.
  • leg 7 'running parallel to the inner conductor 1 in the drawings can also be arranged at an angle to the axial extent of the HF inner conductor 1, in such a way that this leg 7' is at an angle ⁇ to the axial extent of the inner conductor 1 is arranged running.
  • This is in FIG. 2 only indicated by dashed lines for a leg 107.
  • the stub 5 and in particular the free-ending legs 7 ' have different distances to the outer conductor 11 or to the inner conductor arrangement 1 over the length of the stub lines.
  • the arrangement need not be oriented in a continuous angle ⁇ to the axial extent of the inner conductor 1, but it may also step-like subdivisions or sections may be provided in which portions of the leg 7 'of the respective stub 5 have different distances to the inner conductor or the outer conductor ,
  • a common tubular outer conductor assembly 11 which may consist of an electrically conductive metal tube. It can also be seen that between the metallstMailförmingen leg 7 'or the stub 5 (in its parallel section to the RF inner conductor) and the inner wall 11' of the tubular outer conductor assembly 11, a distance 13 is formed, in which a dielectric 19 is inserted.
  • the strip-shaped in the axial direction of the entire arrangement extending portion 7 'of the stub 5 is slightly convex in cross-section, so in its cutout coaxial with the hollow cylindrical in the embodiment shown outer conductor arrangement comes to rest.
  • the width B of the metal strip-shaped leg 7 'of the stub 5 and the distance 13 between the strip-shaped stub section and the outer conductor arrangement can be the impedance set differently.
  • the impedance decreases as the width B becomes larger.
  • the impedance also decreases as the distance 13 becomes smaller.
  • the impedance can in turn be increased in opposite directions.
  • the impedance can be set steplessly different. This also offers great advantages in the context of the invention, since the tolerances with respect to the impedance should be kept as accurately as possible. A slight adjustment is easily possible here in the context of the invention by changing the position of the axially extending stub section.
  • the thickness D across the width B (which is measured transversely to the longitudinal direction of the stub 5) can be significantly smaller than the width B.
  • the thickness can easily be less than 50%, 40%, 30% , 20% or even less than 10% or 5% based on the width of the extending in the axial longitudinal direction leg portion 7 'of the associated stub 5.
  • the thickness can also be made much larger, but this has no significant effect on the electrical effect.
  • FIG. 4 schematically shows that, for example, in the longitudinal direction of the transformation line 1 'offset terminal points 7a each staggered in the circumferential direction lying several stub lines 5a to 5c, with two stubs 5a, 5c not opposite to each other extending as in the embodiment according to FIGS. 1 and 2 are aligned.
  • two, three or more stub lines can easily be provided.
  • the rather radially oriented legs 7 "producing the connection to the transformation line 1 'can also have a different length, ie have a different radial height to the inner conductor 1.
  • the adjoining legs 7' of the stub 5 thus have a different distance from each other Inner or outer conductor 1, 11.
  • This also allows two or more stub lines 5 can be arranged with their free-ending legs 7 'in a same section of the route, and not necessarily have to be offset in the circumferential direction to the inner conductor the same side of the inner conductor or only slightly offset lying in the circumferential direction, since the free-ended leg portions 7 'due to the different ending height of the first leg 7 "do not touch, but in the radial direction to the inner conductor 1, 1' offset.
  • This variant with partial overlapping of the stripline legs 7 ' is in FIG. 4a played.
  • the freely ending legs 7 'of the stub can be arranged to extend in the same direction or in opposite directions.
  • the stubs, in particular the free-ending legs 7 ' completely or partially cover (couple).
  • the overlap can also be realized only partially over different angles of the legs 7 "by the freely ending legs 7 'of the individual stub lines in the circumferential direction around the inner conductor 1 are at least partially offset (thus only a partial overlap of the free-ending leg 7' realized).
  • the stub lines 5 in the longitudinal direction of the inner conductor 1, 1 ' can also be arranged one after another, regardless of whether the freely ending leg 7' of this stub 5 point in the same direction or are arranged in opposite directions on the inner conductor 1.
  • FIG. 5 The principle of the embodiment according to the axial sectional view according to FIG. 1 It is shown that, for example, one or more spacers 17, which consist of an electrically nonconductive dielectric, are arranged in the region of the stub lines on the RF inner conductor 1 forming the HF signal line and its longitudinal direction.
  • the outer circumference of these spacers 7 then serves as a stop surface for the possibly axially adjacent stub lines 5, 5a, 5b, etc., ie the legs 7 '.
  • dielectric spacers 19 may be arranged, whereby a certain distance from the surrounding outer conductor tube 11th can be complied with.
  • These dielectric spacers 19 can also be arranged and / or fixed on the inside of the outer conductor tube 11 in order to obtain the stub line sections 7 'at a predetermined distance from the outer conductor tube 11.
  • the entire interior or large parts of the interior can be filled within the outer conductor arrangement with a dielectric, which can be realized by changing the dielectric constant due to the dielectric used a so-called. Shortening factor for the length of the stubs 5.
  • Such a blocking-circle filter arrangement or the arrangement of such a band-stop filter can be realized on any coaxial RF link.
  • the invention has great advantages, but especially if the filter is installed directly in a socket or socket arrangement (connector). This is for example based on FIG. 6 shown schematically.
  • the great advantage of the invention is that z. B. a corresponding barrier filter through the one or more stub lines (open ends) easily made and then only has to be introduced into a common outer conductor arrangement, which surrounds the signal line, for example in the form of a transformation line and the one or more stubs together. Despite this arrangement, no detrimental alternation of the function of the spur lines is recognizable.
  • FIG. 6 Based on FIG. 6 is now a modification in axial sectional view shown insofar as the solution according to the invention with a socket 100 (coaxial connector) firmly connected or is designed to be handled together.
  • the filter assembly is constructed so that the tubular outer conductor 11 merges into the female outer conductor 111 and the RF inner conductor 1 in the female inner conductor 101.
  • the socket inner conductor 101 is in the embodiment shown not plug-shaped (which would also be possible) but designed bush-shaped and has at its insertion end a plurality of circumferentially longitudinal slots through separate contact fingers.
  • the female inner conductor 101 is held by an insulator (dielectric) 91 as known to the outer conductor 111 at a distance thereto while avoiding a galvanic contact.
  • a stub 5 is shown in a schematic plan view. It may be, for example, the transverse view of in FIG. 6 act below lying drawn stubs.
  • the stub line 5 for example, starting from its connection point 7a has a first stub line section 105a, which then merges via a subsequent stage 106 in a comparatively wider stub section 105b.
  • the width B of the stub line 5 is greater towards the free end than in the first stub line section 105a, which is closer to the connection point 7 'to the RF inner conductor 1 or to the transformation line 1'.
  • a plurality of such gradations 106 may also be provided, that is to say not only a graduation with two stub sections 105a, 105b in different widths but, for example, with three strip lines of different widths or even more.
  • the stub lines can thus be configured in multiple stages, ie with different widths (the extension in the width direction being preferably symmetrical on both sides to the longitudinal direction of the inner conductor.)
  • the diameters and thicknesses can be different Implement filter arrangement, which have advantages in many frequency ranges, especially in many frequency ranges, as used in mobile communications, for example in the range of 694 MHz to 960 MHz or, for example, in the field from 1710 MHz to 2700 MHz. Restrictions on certain frequency ranges, however, do not exist.
  • the individual branch lines in particular if two or more branch lines are provided, can basically also be of the same length, wherein the effective length parallel to the transformation line 1 'can correspond to the length of the parallel running section of the respective branch lines.

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

Claims (23)

  1. Agencement de filtre coaxial comportant les éléments techniques suivants :
    - un conducteur intérieur HF (1) avec une ligne de transformation (1') qui s'étend entre deux tronçons de conducteur intérieurs (1") disposés décalés l'un par rapport à l'autre en direction longitudinale du conducteur intérieur HF (1),
    - un agencement de conducteur extérieur de forme tubulaire (11), qui présente une section transversale ronde ou carrée, à l'intérieur duquel le conducteur intérieur HF (1) avec la ligne de transformation (1') est agencé coaxialement,
    - au moins deux lignes de dérivation (5 ; 5a, 5b, 5c), qui sont raccordées sur le plan électrique/galvanique à la ligne de transformation (1') en un point de raccordement, ce pourquoi les lignes de dérivation (5 ; 5a, 5b, 5c) sont reliées mécaniquement électriquement avec la ligne de transformation (1'),
    - lesdites au moins deux lignes de dérivation (5 ; 5a, 5b, 5c) sont réalisées comme des rubans de métal électriquement conducteur, tels que les rubans de métal présentent une longueur, une largeur (B) et une épaisseur (D), et la largeur (B) transversalement à l'extension longitudinale des rubans de métal est plus grande que leur épaisseur (D),
    - la ligne de transformation (1') et lesdites au moins deux lignes de dérivation (5 ; 5a, 5b, 5c) additionnelles comportant respectivement uniquement une structure de conducteur intérieur sont agencées dans l'agencement de conducteur extérieur (11) commun, et
    - l'une au moins des deux lignes de dérivation (5 ; 5a, 5b, 5c) ramifiées depuis la ligne de transformation (1') et formées à la manière d'un ruban de métal comporte une portion (7') qui s'élève à plus de 60 % de la longueur totale de la ligne de dérivation (5 ; 5a, 5b, 5c) concernée, ladite portion (7') s'étendant parallèlement au conducteur intérieur HF (1) ou sous un angle (α) de moins de 10° par rapport au conducteur intérieur HF (1).
  2. Agencement de filtre selon la revendication 1, caractérisé en ce que la portion (7') de la ligne de dérivation (5 ; 5a, 5b, 5c) qui s'étend sensiblement parallèlement ou sous un angle α De moins de 10° ou de 5° par rapport au conducteur intérieur HF (1) s'élève sur plus de 70 %, en particulier plus de 80 % et plus de 90 % ou 95 % de la longueur totale de la ligne de dérivation (5 ; 5a, 5b, 5c) concernée.
  3. Agencement de filtre selon la revendication 1 ou 2, caractérisé en ce que la portion (7') s'étend sous un angle (α) de moins de 10° par rapport au conducteur intérieur HF (1) ou comporte des tronçons en forme de gradins qui sont agencés parallèlement à des distances différentes du conducteur extérieur (11) et/ou à une distance différente du conducteur intérieur (1).
  4. Agencement de filtre selon l'une des revendications 1, 2 ou 3, caractérisé en ce que la portion (7') de ladite au moins une ligne de dérivation (5 ; 5a, 5b, 5c) est reliée mécaniquement électriquement via une équerre de connexion (7) au point de connexion (7a) avec le conducteur intérieur HF (1).
  5. Agencement de filtre selon l'une des revendications 1 à 4, caractérisé en ce que la portion (7') de la ligne de dérivation (5) qui s'étend sensiblement parallèlement au conducteur intérieur HF (1) est agencée au moins approximativement parallèle à la paroi intérieure (11') de l'agencement de conducteur extérieur (11).
  6. Agencement de filtre selon l'une des revendications 1 à 5, caractérisé en ce que la portion (7') en forme de ruban de la ligne de dérivation (5) est convexe en section transversale et est ainsi agencée coaxialement à l'agencement de conducteur extérieur (11) de forme cylindrique creuse.
  7. Agencement de filtre selon la revendication 6, caractérisé en ce que la ligne de dérivation (5) ou au moins la portion (7') de la ligne de dérivation (5) qui se termine librement est réalisée en forme d'arc dans une section transversale perpendiculaire à l'extension longitudinale, avec une courbure convexe orientée vers l'agencement de conducteur extérieur (11) et est par conséquent conçue dans le sens de la largeur au maximum en formant un demi-cylindre, de sorte que de préférence deux lignes de dérivation (5) disposées en décalage de 180° par rapport au conducteur intérieur (1) sont agencées de préférence coaxialement au conducteur intérieur (1).
  8. Agencement de filtre selon l'une des revendications 1 à 7, caractérisé en ce que l'impédance de l'agencement de filtre est susceptible d'être réglée et/ou d'être présélectionnée de façon différente par modification de la distance (13) entre la portion (7') de la ligne de dérivation (5 ; 5a, 5b) s'étendant sensiblement axialement et la paroi intérieure (11') de l'agencement de conducteur extérieur (11) et/ou par modification de la largeur (B).
  9. Agencement de filtre selon l'une des revendications 1 à 8, caractérisé en ce qu'une entretoise d'écartement diélectrique (17, 19) est posée sur le conducteur intérieur HF (1) et/ou sur ladite au moins une ligne de dérivation (5 ; 5a, 5b, 5c), grâce à quoi la distance entre le tronçon des lignes de dérivation (5 ; 5a, 5b, 5c) s'étendant sensiblement parallèlement au conducteur intérieur HF (1) vis-à-vis du conducteur intérieur HF (1) est limitée et/ou fixée.
  10. Agencement de filtre selon l'une des revendications 1 à 9, caractérisé en ce qu'une entretoise d'écartement diélectrique (19) est prévue ou posée sur la portion (7') de la ligne de dérivation (5 ; 5a, 5b, 5c) s'étendant sensiblement axialement est/ou sur la paroi intérieure (11') de l'agencement de conducteur extérieur (11), grâce à quoi la distance (13) entre le tronçon de la ligne de dérivation (5 ; 5a, 5b, 5c) s'étendant sensiblement axialement jusqu'à la paroi intérieure (11') de l'agencement de conducteur extérieur (11) est limitée et/ou fixée.
  11. Agencement de filtre selon l'une des revendications 1 à 10, caractérisé en ce que la longueur de la ligne de dérivation (5) est dimensionnée de telle façon que l'agencement de filtre engendre un pôle de blocage avec une fréquence prédéterminée.
  12. Agencement de filtre selon l'une des revendications 1 à 11, caractérisé en ce que l'espace à l'intérieur de l'agencement de conducteur extérieur (11) est entièrement ou partiellement rempli d'un diélectrique en recevant le conducteur intérieur HF (1) et ladite au moins une ligne de dérivation (5 ; 5a, 5b, 5c).
  13. Agencement de filtre selon l'une des revendications 1 à 12, caractérisé en ce qu'il est prévu plusieurs lignes de dérivation (5).
  14. Agencement de filtre selon la revendication 13, caractérisé en ce que plusieurs lignes de dérivation (5 ; 5a, 5b, 5c) sont agencées disposées en décalage les unes par rapport aux autres en direction périphérique de telle façon qu'elles se chevauchent au moins sur une longueur partielle du conducteur intérieur HF (1).
  15. Agencement de filtre selon la revendication 13 ou 14, caractérisé en ce que les plusieurs lignes de dérivation (5 ; 5a, 5b, 5c) sont maintenues sur le plan mécanique et électrique en étant disposées à la même hauteur du conducteur intérieur HF (1) au niveau d'un point de connexion commun (7') est/ou décalées les unes par rapport aux autres en direction longitudinale du conducteur intérieur HF (1).
  16. Agencement de filtre selon l'une des revendications 13 à 15, caractérisé en ce que les plusieurs lignes de dérivation (5 ; 5a, 5b, 5c) sont orientées avec leur extrémité libre de manière à s'étendre dans la même direction axiale ou en sens contraire les unes par rapport aux autres.
  17. Agencement de filtre selon l'une des revendications 1 à 16, caractérisé en ce que les plusieurs lignes de dérivation (5 ; 5a, 5b, 5c) ont des longueurs différentes pour obtenir un nombre différent de pôles de blocage et ainsi un effet de blocage avec largeur de bande différente.
  18. Agencement de filtre selon l'une des revendications 1 à 17, caractérisé en ce que la ligne de dérivation (5 ; 5a, 5b, 5c) est réalisée avec plusieurs gradins sur sa longueur et comprend au moins deux tronçons, à savoir un tronçon de ligne de dérivation (105a) et un autre tronçon de ligne de dérivation (105b) qui diffèrent quant à leur largeur.
  19. Agencement de filtre selon la revendication 18, caractérisé en ce que les tronçons de lignes de dérivation (105a, 105b) de largeur différente deviennent plus large depuis le point de connexion (7a) en direction de l'extrémité libre d'une ligne de dérivation (5).
  20. Agencement de filtre selon l'une des revendications 1 à 19, caractérisé en ce que, par référence à au moins deux conducteurs intérieurs prévus (5), les branches (7") partant du point de liaison (7a) du conducteur intérieur (1) sont réalisées avec une hauteur différente et/ou se terminent à une distance radiale différente du conducteur intérieur (1), de sorte que les portions (7') qui s'y raccordent et se terminent librement de la ligne de dérivation (5) sont agencées de préférence de manière à se chevaucher partiellement.
  21. Agencement de filtre selon l'une des revendications 1 à 19, caractérisé en ce qu'il est prévu au moins deux lignes de dérivation (5), dont les portions (7') qui se terminent librement sont agencées au moins en recouvrement partiel l'une par rapport à l'autre.
  22. Agencement de filtre selon l'une des revendications 1 à 21, caractérisé en ce qu'il est prévu au moins deux lignes de dérivation (5, 5a, 5b, 5c) qui sont agencées, au moins sur leur longueur partielle dans un même tronçon d'extension du conducteur intérieur (1), décalées les unes par rapport aux autres en direction axiale du conducteur intérieur (1).
  23. Agencement de filtre selon l'une des revendications 1 à 22, caractérisé en ce que le filtre est intégré dans une douille.
EP10718479.8A 2009-04-30 2010-04-22 Ensemble filtre Active EP2374182B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200910019547 DE102009019547A1 (de) 2009-04-30 2009-04-30 Filteranordnung
PCT/EP2010/002479 WO2010124810A1 (fr) 2009-04-30 2010-04-22 Ensemble filtre

Publications (2)

Publication Number Publication Date
EP2374182A1 EP2374182A1 (fr) 2011-10-12
EP2374182B1 true EP2374182B1 (fr) 2014-07-09

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EP10718479.8A Active EP2374182B1 (fr) 2009-04-30 2010-04-22 Ensemble filtre

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US (1) US8797125B2 (fr)
EP (1) EP2374182B1 (fr)
CN (1) CN102318133B (fr)
DE (1) DE102009019547A1 (fr)
ES (1) ES2511996T3 (fr)
HK (1) HK1163368A1 (fr)
WO (1) WO2010124810A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009031373A1 (de) 2009-07-01 2011-01-05 Kathrein-Werke Kg Hochfrequenzfilter
CN104078726B (zh) * 2014-06-04 2016-07-06 中国电子科技集团公司第十研究所 并联型单侧椭圆函数传输线滤波器
CN104078727B (zh) * 2014-06-04 2016-08-17 中国电子科技集团公司第十研究所 串联型单侧椭圆函数传输线滤波器
WO2016164603A1 (fr) * 2015-04-07 2016-10-13 Plasma Igniter, LLC Coupleur et filtre directionnels à radiofréquence
DE102015007503A1 (de) 2015-06-11 2016-12-15 Kathrein-Werke Kg Dipolförmige Strahleranordnung
CN107658533B (zh) * 2017-10-20 2020-12-15 京信通信技术(广州)有限公司 带阻滤波器及射频器件
US11962278B2 (en) 2020-06-29 2024-04-16 Qualcomm Incorporated Programmable baseband filter for selectively coupling with at least a portion of another filter

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US6278341B1 (en) * 1998-12-01 2001-08-21 Allgon Ab Microstrip filter device
EP1160910A1 (fr) * 1999-02-26 2001-12-05 Fujitsu Limited Module de filtre supraconducteur, filtre supraconducteur et cable coaxial thermoisole
US6614329B1 (en) * 2002-02-01 2003-09-02 Lucix Corporation Radio frequency/microwave/millimeterwave filter

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US2392664A (en) * 1943-12-23 1946-01-08 Gen Electric Ultra high frequency filter
US2465801A (en) * 1944-11-20 1949-03-29 Gen Electric Ultra high frequency apparatus
US2751558A (en) * 1952-04-02 1956-06-19 Itt Radio frequency filter
US3343069A (en) * 1963-12-19 1967-09-19 Hughes Aircraft Co Parametric frequency doubler-limiter
CH466454A (de) * 1967-11-23 1968-12-15 Patelhold Patentverwertung Breitband-Filter am Ausgang eines Hochfrequenz-Generators für dielektrische Erwärmung
US3872412A (en) * 1974-04-26 1975-03-18 Bell Telephone Labor Inc Dielectric-loaded chokes
US4004257A (en) * 1975-07-09 1977-01-18 Vitek Electronics, Inc. Transmission line filter
JPH02152302A (ja) * 1988-12-02 1990-06-12 Fujitsu Ltd ２倍波阻止回路
US5291161A (en) * 1991-07-22 1994-03-01 Matsushita Electric Industrial Co., Ltd. Microwave band-pass filter having frequency characteristic of insertion loss steeply increasing on one outside of pass-band
JP2000151207A (ja) * 1998-11-12 2000-05-30 Mitsubishi Electric Corp 低域通過フィルタ
US7372373B2 (en) * 2004-08-27 2008-05-13 Itron, Inc. Embedded antenna and filter apparatus and methodology
EP1689019A1 (fr) * 2005-02-03 2006-08-09 Spinner GmbH Filtre coaxial equilibré

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Publication number Priority date Publication date Assignee Title
US6278341B1 (en) * 1998-12-01 2001-08-21 Allgon Ab Microstrip filter device
EP1160910A1 (fr) * 1999-02-26 2001-12-05 Fujitsu Limited Module de filtre supraconducteur, filtre supraconducteur et cable coaxial thermoisole
US6614329B1 (en) * 2002-02-01 2003-09-02 Lucix Corporation Radio frequency/microwave/millimeterwave filter

Also Published As

Publication number Publication date
CN102318133B (zh) 2014-07-02
CN102318133A (zh) 2012-01-11
HK1163368A1 (en) 2012-09-07
EP2374182A1 (fr) 2011-10-12
US8797125B2 (en) 2014-08-05
DE102009019547A1 (de) 2010-11-11
WO2010124810A1 (fr) 2010-11-04
ES2511996T3 (es) 2014-10-23
US20100277260A1 (en) 2010-11-04

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