EP2482377B1 - RF-Filter mit Kopplungsmittel für RF-Signale - Google Patents

RF-Filter mit Kopplungsmittel für RF-Signale Download PDF

Info

Publication number
EP2482377B1
EP2482377B1 EP20110290044 EP11290044A EP2482377B1 EP 2482377 B1 EP2482377 B1 EP 2482377B1 EP 20110290044 EP20110290044 EP 20110290044 EP 11290044 A EP11290044 A EP 11290044A EP 2482377 B1 EP2482377 B1 EP 2482377B1
Authority
EP
European Patent Office
Prior art keywords
filter
resonator
coupling means
rod
hollow cylinder
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
EP20110290044
Other languages
English (en)
French (fr)
Other versions
EP2482377A1 (de
Inventor
Benedikt Scheid
Dieter Pelz
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.)
Alcatel Lucent SAS
Original Assignee
Alcatel Lucent SAS
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 Alcatel Lucent SAS filed Critical Alcatel Lucent SAS
Priority to EP20110290044 priority Critical patent/EP2482377B1/de
Publication of EP2482377A1 publication Critical patent/EP2482377A1/de
Application granted granted Critical
Publication of EP2482377B1 publication Critical patent/EP2482377B1/de
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
    • H01P7/00—Resonators of the waveguide type
    • H01P7/04—Coaxial resonators

Definitions

  • the invention relates to a filter for radio frequency signals and, more particularly but not exclusively, to a filter comprising at least one coaxial resonator.
  • Filters are used for example in radio communication systems to keep radio frequency transmissions within a specific radio frequency sub-range for avoiding interference and/or noise in neighbouring radio frequency sub-ranges or for keeping the interference and/or the noise below specific thresholds, which may depend on legal requirements or on wireless communication specifications.
  • Characteristics of a filter such as a bandpass filter are for example a maximum allowed deviation from a required passband frequency bandwidth or a minimum required signal suppression for example in dB outside a passband of the bandpass filter irrespective of a centre frequency of the passband within a specified filter tuning range. These characteristics are major design criteria for bandpass filters, if the bandpass filters have to fulfil the legal requirements and/or the wireless communication specifications.
  • a frequency selectivity of the filter may degrade and may therefore not fulfil specific legal emission requirements or the wireless communication specifications.
  • RF filter radio frequency
  • RF radio frequency
  • a first orientation of a supply line of input couplings and a second orientation of an output transfer line of output couplings are often applied in a perpendicular direction with respect to a longitudinal axis of the resonator rods of an input coaxial resonator and an output coaxial resonator.
  • Such an arrangement could provide an unwanted direct coupling from the input and/or output couplings to neighboring coaxial resonators of the input and/or the output coaxial resonator. Thereby, the frequency selectivity of the filter may be disturbed and may be outside destined specifications.
  • a resonator rod extends from a base plate and a capacitive coupling is provided from a cover plate using an end piece of a supply line or an output transfer line with a capacitive probe.
  • This type of coupling has several disadvantages especially if the RF filter is used for high-power applications.
  • the capacitive probe is located at an open end of the resonator rod, which is the most sensitive location of a coaxial resonator in terms of a resonant frequency of the coaxial resonator. Any instability of the coupling such as tumbling caused by connector tightening or bending forces from connected structures leads to severe detuning of the coaxial resonator and to an RF filter not fulfilling specifications.
  • the location of the capacitive probe reduces a maximum peak power handling of the coaxial resonator and of the RF filter because the presence of the capacitive probe increases the electrical field strength especially at edges of the capacitive probe and at a location, where the electrical field strength within the coaxial resonator has a maximum.
  • an electrical wave filter that employs a concentric line resonator for passing frequencies confined within a narrow band.
  • an input connection extends within an interior of an inner conductor of the filter and connects to the interior of an outer shell or an outer conductor of the filter.
  • US 5,023,579 discloses a combination of a band pass filter with two low pass filters.
  • a first low pass filter is positioned within a first resonator of the filter and a second low pass filter is positioned within a last resonator of the filter.
  • a disk emanates from each of the integrated low pass filters so as to couple the filtered electromagnetic energy into and out from the band pass filter respectively.
  • the way of coupling RF signals to and from an RF filter comprising at least one coaxial resonator affects a compactness and dimensions of the RF filter, a power handling of the RF filter, and accidentally also a spectral characteristic of the RF filter.
  • a filter for radio frequency signals comprising a first resonator and first coupling means for coupling the radio frequency signals between the outside of the filter and the first resonator.
  • the first resonator comprises a first resonator rod and the first resonator rod is part of a supply line for providing the radio frequency signals from an input of the filter to the first coupling means or an output transfer line for providing the radio frequency signals from the first coupling means to an output of the filter.
  • the first resonator rod is a hollow cylinder, which is an outer conductor of a coaxial transmission line and comprises in a hollow space of the hollow cylinder an inner conductor of the coaxial transmission line connected to the first coupling means.
  • the first coupling means are electrically connected to the inner conductor through at least one opening in a curved sidewall of the hollow cylinder and are laterally mounted to the hollow cylinder.
  • the filter may be for example a bandpass filter and the first resonator may be for example a coaxial air cavity resonator.
  • the first resonator may be a transverse electromagnetic wave mode resonator.
  • the invention has a first benefit of improving a mechanical stability of the components of the RF filter and thereby improving a stability and a predictability of a frequency selectivity of the RF filter. An insufficient rejection of RF signals by the RF filter outside a specified frequency range or an attenuation of RF signals inside a passband can be avoided.
  • the invention provides a second benefit of increasing a maximum power handling of the RF filter and of decreasing a likelihood of any unwanted electrical contact.
  • the invention provides a third benefit of avoiding a direct coupling of the RF signals from the input and/or output couplings to neighboring coaxial resonators of the input and/or the output coaxial resonator of the RF filter.
  • the invention provides a fourth benefit of increasing a compactness of the RF filter.
  • the invention provides a fifth benefit of lowering manufacturing complexity/cost, because separate alignments for the capacitive probe and for the resonator rod within the resonator can be performed in an easier way. If the capacitive probe is already mounted to the resonator rod, the capacitive probe is already pre-aligned to some extent at that time the resonator rod is mounted.
  • Figure 1 shows schematically in a block diagram and in a cross-sectional view a filter F1 according to a preferred embodiment of the invention.
  • the cross-sectional view is perpendicular to a base plate of the filter F1 and a cover plate of the filter F1 and the cross section of the cross-sectional view is located within the filter F1 between the base plate and the cover plate.
  • the detailed structure of the filter F1 is not critical, and as can be understood by those skilled in the art, that the detailed structure of the filter F1 may vary without departing from the scope of the invention.
  • the filter F1 may be for example a band-pass filter for radio frequency signals of a broadcasting service or may be applied in a transmission path of a base station for use in a network of a telecommunication service provider.
  • the filter F1 may be for example a high-power radio broadcasting filter adapted to a frequency band with a frequency tuning range between 470 MHz and 860 MHz.
  • GSM Global System for Mobile Communication
  • GPRS General Packet Radio Service
  • UMTS Universal Mobile Telecommunication Systems
  • LTE Long Term Evolution
  • the filter F1 may comprise a first resonator RC1, a second resonator RC2, a third resonator RC3, a fourth resonator RC4, a fifth resonator RC5 and a sixth resonator RC6 arranged in a U-shaped order with a U-shaped resonator path (a so-called 'folded filter' design) as indicated in Figure 1 by a dotted arrow AR.
  • the resonators RC1 to RC6 may be preferably coaxial air-cavity resonators and may have preferably identical geometrical dimensions.
  • the resonators RC1 to RC6 are well-known as transverse electromagnetic wave mode resonators.
  • the filter F1 may comprise less than six resonators or more than six resonators.
  • the resonators RC1 to RC6 may be arranged in a linear or straight-form.
  • the resonators RC1 to RC6 may be arranged in an S-shaped order or an arrangement of the resonators RC1 to RC6 may comprise a combination of resonators in a U-shaped order and of further resonators in an S-shaped order.
  • a housing of the filter F1 as exemplarily shown in Figure 1 comprises a first outer wall OW1 next to the resonators RC1 and RC6, a second outer wall OW2 next to the resonators RC4, RC5 and RC6, a third outer wall OW3 next to the resonators RC3 and RC4 and a fourth outer wall OW4 next to the resonators RC1, RC2 and RC3.
  • the housing further comprises a first inner separating wall ISP1 between the resonators RC1 and RC2, a second inner separating wall ISP2 between the resonators RC2 and RC3, a third inner separating wall ISP3 between the resonators RC3 and RC4, a fourth inner separating wall ISP4 between the resonators RC4 and RC5, a fifth inner separating wall ISPS between the resonators RC5 and RC6, a sixth inner separating watt ISP6 between the resonators RC1 and RC6 and a seventh inner separating wall ISP7 between the resonators RC2 and RC5.
  • the base plate, the outer walls OW1 to OW4, the inner separating walls ISP1 to ISP7 and the cover plate form separate hollow spaces for the resonators RC1 to RC6.
  • the housing of the filter F1 is used as an outer conductor for the RF signals and resonator rods RR1 to RR6 located within the resonators RC1 to RC6 are used as inner conductors for the RF signals.
  • Conductive couplings means such as capacitive probes mounted at the inner separating walls ISP1 to ISP7 and/or inductive coupling means such as coupling loops mounted within openings of the inner separating walls ISP1 to ISP7 for electromagnetic coupling in each case between two of the resonators RC1 to RC6 are not shown in Figure 1 for simplification.
  • Such couplings are known to a person skilled in the art and are therefore not further explained in the following.
  • Each of the resonator rods RR1, RR2, RR3, RR4, RR5, RR6 is preferably located centrally within one of the resonators RC1, RC2, RC3, RC4, RC5, RC6 (see Figure 1 ) and extends upwards from the base plate.
  • second, third, fourth and fifth resonator rods RR2 to RR5 are solid resonator rods comprising a cylindrical form as shown in Figure 1 .
  • the resonator rods RR2 to RR5 may comprise a form of a hollow cylinder.
  • the first resonator rod RR1 within the first resonator RC1 being the input resonator preferably comprises the form of a hollow cylinder as shown in Figure 1 and is part of a supply line for first coupling means CP1 used as input coupling means.
  • the first coupling means CP1 are preferably, capacitive coupling probes for coupling the RF signals from the outside of the filter F1 via an input port of the filter F1 to the first resonator Roc1. More details according to the first resonator rod RR1, the supply line and the first coupling means CP1 are given in the following description according to Figure 2 .
  • the sixth resonator rod RR6 within the sixth resonator RC6 being the output resonator preferably also comprises the form of a hollow cylinder as shown in Figure 1 and is part of an output transfer line for sixth coupling means CP6 used as output coupling means).
  • the sixth coupling means CP6 are preferably capacitive coupling probes for coupling the radio frequency signals from the sixth resonator RC6 via an output port of the filter F1 to the outside of the filter F1.
  • either the first resonator rod RR1 or the sixth resonator rod RR6 may be a solid resonator rod similar to the second to fifth resonator rods RR2 to RR5 as shown in Figure 1 .
  • the filter F1 may comprise an external port at the first outer wall OW1 and an opening in the first outer wall OW1 either for coupling the RF signals from the outside of the filter F1 into the first resonator RC1 or for coupling the RF signals from the sixth resonator RC6 to the outside of the filter F1.
  • Figure 2 shows schematically a block diagram of the first resonator RC1 in a cross-sectional view with respect to a first cross section area CSA1 indicated in Figure 1 .
  • the elements shown in Figure 2 that correspond to elements of the Figure 1 have been designated by the same reference numerals.
  • Figure 2 shows mainly the first resonator RC1 with an assembly of the first resonator rod RR1 and of the first coupling means CP1, the base plate BP, the cover plate CP, the second inner separating wall ISP2 and electrical connection means for the first coupling means CP1.
  • a second cross section area CSA2 of the cross-sectional view as shown in Figure 1 is also indicated.
  • the hollow cylinder of the first resonator rod RR1 may stick out from the first resonator RC1 to the outside of the filter F1 and may comprise a first outer diameter inside the first resonator RC1 and may comprise a second outer diameter smaller than the first outer diameter inside the base plate BP and outside the filter F1.
  • a part of the first resonator rod RR1 may be part of a first external port PORT1 for connecting a first external transmission line ETL1 such as a coaxial cable for providing the RF signals to the filter F1.
  • the second outer diameter may comprise an external thread and an opening OP1_BP within the base plate BP may comprise an internal thread for fixing the first resonator rod RR1 to the base plate BP.
  • first resonator rod RR1 may only comprise a single outer diameter and/or the first resonator rod RR1 may be soldered or welded to the base plate BP.
  • a separate device may be used as the first external port, may penetrate the base plate BP (instead of the first resonator rod RR1) and may be connected to the first resonator rod RR1 for example near an inner surface of the base plate BP.
  • the hollow cylinder of the first resonator rod RR1 may comprise a material such as aluminium or copper and is used as an outer conductor of a coaxial transmission line and is connected to an external electrical supply line for the first coupling means CP1.
  • the hollow cylinder of the first resonator rod RR1 may further comprise in a sidewall two openings OP1 RR1, OP2 RR2 for example at same distance to the base plate BP and the cover plate CP.
  • the two openings OP1_RR1, OP2_RR2 may be for example circular openings.
  • the hollow cylinder of the first resonator rod RR1 may comprise in the sidewall a single opening or more than two openings.
  • the first resonator rod RR1 may further comprise centrally within the hollow cylinder and in a longitudinal direction of the hollow cylinder a first inner conductor IC1_RR1.
  • the first inner conductor IC1_RR1 may extend from a second inner conductor IC2_RR1 between the two openings OP1_RR1, OP2_RR2 through the opening OP1_BP of the base plate BP to the outside of the filter F1.
  • the second inner conductor IC2_RR1 may be verticafly orientated to the longitudinal axis of the hollow cylinder, may penetrate the two openings OP1_RR1, OP2_RR2 and electrically connects the first coupling means CP1.
  • the first inner conductor IC1_RR1 is electrically connected to the second inner conductor IC2_RR1 for example by soldering, welding or clamping.
  • the first and the second inner conductor IC1 RR1, IC2_RR1 may be preferably a stiff hollow or solid copper silver or aluminium rod.
  • the second inner conductor IC2 RR1 may be electrically connected to the first coupling means CP1 for example by soldering, welding or screwing.
  • a single inner conductor instead of the first inner conductor IC1_RR1 and the second inner conductor IC2-RRI may electrically connect the first coupling means CP1 via a single opening in the sidewall of the first resonator rod RR1 to the first external port PORT1.
  • the first coupling means CP1 may be preferably a ring comprising a material such as aluminium, copper or silver and with a plane parallel orientated to a surface of the base plate BP.
  • an air gap between the first coupling means CP1 and the hollow cylinder of the first resonator rod RR1 can be used as electrical isolation and no additional isolation is required between the first coupling means CP1 and the hollow cylinder of the first resonator rod RR1.
  • an isolator IS01 (as shown in Figure 2 )may be applied between the first coupling means CP1 and the hollow cylinder of the first resonator rod RR1.
  • the isolator ISO1 may be for example a ring with an outer diameter equal or slightly smaller than an inner diameter of the first coupling means CP1 and the isolator ISO1 may comprise a material suitable for isolation of RF signals such as glass, porcelain, or composite polymer materials (e.g. polytetrafluorethylen).
  • the isolator ISO1 comprises two openings for feed through the second inner conductor IC2_RR1 as shown in Figure 2 .
  • first coupling means Cup1_2 using two circular disks may be applied with a central axis directed towards the first inner separating wall ISP1 and the outer wall OW1 and perpendicular to a central axis of the first resonator rod RR1 such as shown in Figure 3 for a filter F2.
  • Each of the two circular disks is located at one of the openings OP1_RR1, OP2_RR1 and may be arranged with its axis superimposed to a longitudinal axis of second inner conductor IC2_RR1.
  • circular disks are also applied for sixth coupling means CP6_2 of the sixth resonator RC6.
  • the first coupling means CP1 are preferably mounted laterally to the first resonator rod RR1.
  • a strength of the coupling of the first coupling means CP1 and a loaded quality factor of the first resonator RC1 for a predefined frequency response of the filter F1 is adjusted by appropriate dimensions of the first coupling means CP1.
  • Fine tuning of the coupling can be achieved by adjusting a distance between the first coupling means CP1 and the base plate BP.
  • the first external port PORT1 of the filter F1 may be a coaxial connection port and may be connected to the first external transmission line ETL1 by a female connector and a male connector.
  • a central longitudinal axis of the first external port PORT1 is perpendicular to the base plate BP and is equal (or in a coaxial relationship) to a central longitudinal axis of the first resonator rod RR1.
  • the first external port PORT1 may be an input port of the filter F1 for the radio frequency signals.
  • the first external transmission line ETL1 such as a coaxial cable comprises an inner conductor IC-C, a concentric outer conductor OC_C surrounding the inner conductor IC - C, an isolator ISO_C between the inner conductor IC-C and the outer conductor OC_C and a cable jacket CJ surrounding the outer conductor OC-C.
  • An inner conductor IC_F_CON of the female connector may be electrically connected to the first inner conductor IC1_RR1 of the resonator rod RR1 and an outer conductor OC-F-CON of the female connector may be electrically connected to the hollow cylinder of the resonator rod RR1 for example by soldering or welding.
  • An inner conductor IC-M-CON of the male connector may be electrically connected to the inner conductor IC_C of the first external transmission line ETL1 and an outer conductor OC_M_CON of the male connector may be electrically connected to the outer conductor OC_C of the first external transmission line ETL1 for example by soldering or welding.
  • the inner conductors IC_F_CON, IC_M_CON of the female and male connector and the outer conductors OC_F_CON, OC_M_CON of the female and male connector may be connected for example by clamping or screwing.
  • connection between the inner and outer conductors is shown in a simplified way. Any conventional connection assembly may be used for connecting the first external transmission line ETL1 to the first external port PORT1 of the filter F1.
  • an additional isolator material such as polytetrafluoroethylene (PTFE, well-known as Teflon) may be applied to fill out a hollow space between the first inner conductor IC1_RRl and the inner surface of the first resonator rod RR1 and may extend from the isolator ISO_C into the first resonator RC1.
  • PTFE polytetrafluoroethylene
  • the resonance within the first resonator RC1 and the coupling from the outside of the filter F1 to the first resonator RC1 may be adjusted for example by a tuning screw penetrating the cover plate CP of the filter F1 (not shown in Figure 1 for simplification reasons).
  • the first resonator rod RR1 has two functions:
  • a same assembly as shown in Figure 2 and explained above for the first resonator RC1 may be applied for the sixth resonator RC6 for the output of the filter F1.
  • a second external port provided by the sixth resonator rod RR6 is the output port of the filter F1.

Landscapes

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

Claims (13)

  1. Filter (F1, F2) für Hochfrequenzsignale, umfassend einen ersten Resonator (RC1, RC6) und erste Kopplungsmittel (CP1, CP1_2, CP6, CP6_1) zum Koppeln der besagten Hochfrequenzsignale zwischen dem Äußeren des besagten Filters (F1, F2) und dem besagten ersten Resonator (RC1, RC6), wobei der besagte erste Resonator (RC1, RC6) einen ersten Resonatorstab (RR1, RR6) umfasst, wobei der besagte erste Resonatorstab (RR1, RR6) Teil einer Versorgungsleitung zur Bereitstellung der besagten Hochfrequenzsignale von einem Eingang (PORT1) des besagten Filters (F1, F2) an die besagten ersten Kopplungsmittel (CP1, CP1_2) oder Teil einer Ausgangsübertragungsleitung zur Bereitstellung der besagten Hochfrequenzsignale von den besagten ersten Kopplungsmitteln (CP6, CP6_1) an einen Ausgang des besagten Filters (F1, F2) ist, wobei der besagte erste Resonatorstab (RR1, RR6) ein Hohlzylinder ist, wobei der besagte Hohlzylinder ein Außenleiter einer koaxialen Übertragungsleitung ist, und wobei der besagte Hohlzylinder in einem Hohlraum des besagten Hohlzylinders einen Innenleiter (IC1_RR1, IC2_RR1) der besagten koaxialen Übertragungsleitung, welcher mit den besagten ersten Kopplungsmitteln (CP1, CP1_2, CP6, CP6_2) verbunden ist, umfasst,
    dadurch gekennzeichnet, dass die besagten ersten Kopplungsmittel (CP1, CP1_2, CP6, CP6_2) über mindestens eine Öffnung (OP1_1, OP1_2) in einer gekrümmten Seitenwand des besagten Hohlzylinders elektrisch mit dem besagten Innenleiter (IC2-RR1) verbunden und seitlich zu dem besagten Hohlzylinder angebracht sind.
  2. Filter (F1) nach Anspruch 1, wobei der besagte Filter (F1) einen ersten externen Port (PORT1) umfasst, mit dem besagten ersten Kopplungsmittel (CP1, CP6) verbunden ist, und wobei eine zentrale Axialachse des besagten ersten Resonatorstabs (RR1, RR6) einer zentralen Axialachse des besagten ersten externen Ports (PORT1) entspricht.
  3. Filter (F1, F2) nach Anspruch 1, umfassend ein Gehäuse mit einer Basisplatte (BP), einer Deckplatte (CP) und Wänden (OW1, ISP2, ...) dazwischen, wobei sich der besagte erste Resonatorstab (RR1, RR6) von der Basisplatte (BP) aufwärts erstreckt, wobei sich die besagte mindestens eine Öffnung (OP1_1) und eine weitere Öffnung (OP1_2) in einem selben Abstand zur Basisplatte (BP) und zur Deckplatte (CP) des besagten Gehäuse befinden.
  4. Filter (F1) nach Anspruch 1, wobei ein Isolator (ISO1) zwischen den besagten ersten Kopplungsmitteln (CP1, CP6) und dem besagten Hohlzylinder angebracht ist.
  5. Filter (F1) nach Anspruch 1, wobei das besagte erste Kopplungsmittel (CP1, CP6) ein Ring um den besagten ersten Resonatorstab (RR1, RR6) ist.
  6. Filter (F2) nach Anspruch 1, umfassend ein Gehäuse mit einer Basisplatte (BP), einer Deckplatte (CP) und Wänden (OW1, ISP2, ...) dazwischen, wobei sich der besagte erste Resonatorstab (RR1, RR6) von der Basisplatte (BP) aufwärts erstreckt, wobei die besagten ersten Kopplungsmittel (CP1_2, CP6_2) aus zwei kreisförmigen Platten mit einer zentralen Achse, welche zu einer ersten inneren Trennwand (ISP2) des Gehäuses und zu einer Außenwand des besagten Gehäuses gerichtet ist, bestehen und senkrecht zu einer zentralen Achse des besagten ersten Resonatorstabs (RR1, RR6) angeordnet sind.
  7. Filter (F1, F2) nach einem beliebigen der vorstehenden Ansprüche, wobei der besagte Filter (F1, F2) weiterhin einen zweiten Resonator (RC1, RC6) und zweite Kopplungsmittel (CP1, CP1_2, CP6, CP6_2) zum Koppeln der besagten Hochfrequenzsignale zwischen dem Äußeren des besagten Filters (F1, F2) und dem besagten zweiten Resonator (RC1, RC6) umfasst, wobei der besagte zweite Resonator (RC1, RC6) einen zweiten Resonatorstab (RR1, RR6) umfasst, und wobei der besagte zweite Resonatorstab (RR1, RR6) Teil einer Ausgangsübertragungsleitung der besagten zweiten Kopplungsmittel (CP1, CP1_2, CP6, CP6_2) ist, wenn der besagte erste Resonatorstab (RR1, RR6) Teil einer Versorgungsleistung ist, oder Teil einer Versorgungsleitung der besagten zweiten Kopplungsmittel (CP1, CP1_2, CP6, CP6_2) ist, wenn der besagte erste Resonatorstab (RR1, RR6) Teil einer Ausgangsübertragungsleitung ist.
  8. Filter (F1) nach Anspruch 7, wobei die besagte Versorgungsleitung mit einem Eingangsport (PORT1) des besagten Filters (F1) verbunden ist, und wobei die besagte Ausgangsübertragungsleitung mit einem Ausgangsport des besagten Filters (F1) verbunden ist.
  9. Filter (F1, F2) nach einem beliebigen der vorstehenden Ansprüche, wobei der besagte Filter (F1, F2) ein Bandpass-Filter ist.
  10. Filter (F1, F2) nach einem beliebigen der vorstehenden Ansprüche, wobei der besagte erste Resonator (RC1, RC6) ein koaxialer Resonator mit transversalem Schwingungsmodus der elektromagnetischen Wellen ist.
  11. Filter (F1, F2) nach einem beliebigen der vorstehenden Ansprüche, wobei der besagte erste Resonator (RC1, RC6) ein Luftresonator ist.
  12. Filter (F1, F2) nach einem beliebigen der vorstehenden Ansprüche, wobei der besagte Filter (F1, F2) ein Hochleistungsfilter für Rundfunkübertragung oder ein Hochleistungsfilter für Fernsehübertragung ist.
  13. Basisstation zur Verwendung in einem Funkkommunikationssystem, umfassend einen Filter (F1, F2) gemäß einem beliebigen der vorstehenden Ansprüche.
EP20110290044 2011-01-26 2011-01-26 RF-Filter mit Kopplungsmittel für RF-Signale Active EP2482377B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20110290044 EP2482377B1 (de) 2011-01-26 2011-01-26 RF-Filter mit Kopplungsmittel für RF-Signale

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20110290044 EP2482377B1 (de) 2011-01-26 2011-01-26 RF-Filter mit Kopplungsmittel für RF-Signale

Publications (2)

Publication Number Publication Date
EP2482377A1 EP2482377A1 (de) 2012-08-01
EP2482377B1 true EP2482377B1 (de) 2014-03-19

Family

ID=44202287

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20110290044 Active EP2482377B1 (de) 2011-01-26 2011-01-26 RF-Filter mit Kopplungsmittel für RF-Signale

Country Status (1)

Country Link
EP (1) EP2482377B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9287600B2 (en) 2014-03-26 2016-03-15 Alcatel-Lucent Shanghai Bell Co., Ltd. Adjustable phase-inverting coupling loop
US10847854B2 (en) 2015-06-30 2020-11-24 Alcatel Lucent Cavity resonator device with a coupling element

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2814111B1 (de) * 2013-06-13 2020-03-18 Alcatel Lucent Resonatoranordnung
EP2814112A1 (de) * 2013-06-13 2014-12-17 Alcatel Lucent Resonatoranordnung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2266501A (en) * 1939-07-28 1941-12-16 Rca Corp Electrical wave filter
US5023579A (en) * 1990-07-10 1991-06-11 Radio Frequency Systems, Inc. Integrated bandpass/lowpass filter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9287600B2 (en) 2014-03-26 2016-03-15 Alcatel-Lucent Shanghai Bell Co., Ltd. Adjustable phase-inverting coupling loop
US10847854B2 (en) 2015-06-30 2020-11-24 Alcatel Lucent Cavity resonator device with a coupling element

Also Published As

Publication number Publication date
EP2482377A1 (de) 2012-08-01

Similar Documents

Publication Publication Date Title
US8773222B2 (en) Filter assembly
JP3506104B2 (ja) 共振器装置、フィルタ、複合フィルタ装置、デュプレクサおよび通信装置
CN102165640A (zh) 悬挂电介质梳状线空腔滤波器
EP2482377B1 (de) RF-Filter mit Kopplungsmittel für RF-Signale
EP1148575A1 (de) Dielektrisches filter
JP5320207B2 (ja) 半同軸共振器及びフィルタ装置
EP2429026B1 (de) Filter für Funkfrequenzsignale
CN100578855C (zh) 高频滤波器
KR20130050623A (ko) 유전체 공진기 필터
EP2800201B1 (de) Hochfrequenzfilter
KR20120111933A (ko) 고주파 필터
CN112563713B (zh) 介质谐振器和射频滤波器
EP1755189A1 (de) Mikrowellenfilter mit einer dielektrischen Last von der gleichen Höhe wie das Filtergehäuse
EP1079457B1 (de) Dielektrische Resonanzvorrichtung, dielektrisches Filter, zusammengestellte dielektrische Filtervorrichtung, dielektrischer Duplexer und Kommunikationsgerät
EP2843756B1 (de) Verfahren für HF-Verbindungen aus konzentrischen Feeds
EP2421085A1 (de) Filter für Funkfrequenzsignale
EP0930666B1 (de) Dielektrisches Filter und dielektrischer Duplexer
CN110148820B (zh) 基于阶跃阻抗饼片加载的小型化同轴腔三模宽带滤波器
EP2544296A1 (de) Kopplungsstruktur für Funkfrequenzsignale
JP4572819B2 (ja) 誘電体共振器および誘電体フィルタ
RU2602695C1 (ru) Полосно-заграждающий фильтр
KR102202710B1 (ko) 통신 시스템에서 듀플렉서 및 그를 구비한 송수신기
CN216488434U (zh) 低通滤波结构及滤波器
CN114204237B (zh) 一种小频率比的小型介质加载双频滤波器
CN210040479U (zh) 具有传输零点的低通滤波器

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

17P Request for examination filed

Effective date: 20111024

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

111Z Information provided on other rights and legal means of execution

Free format text: 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

Effective date: 20130410

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTG Intention to grant announced

Effective date: 20131107

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

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

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 658196

Country of ref document: AT

Kind code of ref document: T

Effective date: 20140415

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602011005489

Country of ref document: DE

Effective date: 20140430

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

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: 20140319

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: 20140619

REG Reference to a national code

Ref country code: CH

Ref legal event code: PCOW

Free format text: NEW ADDRESS: 148/152 ROUTE DE LA REINE, 92100 BOULOGNE-BILLANCOURT (FR)

REG Reference to a national code

Ref country code: FR

Ref legal event code: GC

Effective date: 20140602

REG Reference to a national code

Ref country code: NL

Ref legal event code: VDEP

Effective date: 20140319

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 658196

Country of ref document: AT

Kind code of ref document: T

Effective date: 20140319

RAP2 Party data changed (patent owner data changed or rights of a patent transferred)

Owner name: ALCATEL LUCENT

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: 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: 20140319

Ref country code: SE

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: 20140319

Ref country code: FI

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: 20140319

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

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: 20140319

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: 20140319

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: 20140319

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 FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20140319

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: 20140719

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: 20140319

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: 20140619

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: 20140319

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: 20140319

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: 20140319

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: 20140319

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: 20140319

Ref country code: AT

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: 20140319

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: 20140319

REG Reference to a national code

Ref country code: FR

Ref legal event code: RG

Effective date: 20141016

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602011005489

Country of ref document: DE

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

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: 20140721

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 5

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: 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: 20140319

26N No opposition filed

Effective date: 20141222

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

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: 20140319

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602011005489

Country of ref document: DE

Effective date: 20141222

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

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: 20140319

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: LU

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: 20150126

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: 20140319

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: 20150131

Ref country code: LI

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

Effective date: 20150131

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 6

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: 20150126

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

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: 20140620

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: 20140319

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 7

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

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: 20140319

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: 20110126

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: 20140319

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 8

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: 20140319

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

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: 20140319

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

Ref country code: GB

Payment date: 20231207

Year of fee payment: 14

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

Ref country code: FR

Payment date: 20231212

Year of fee payment: 14

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

Ref country code: DE

Payment date: 20231205

Year of fee payment: 14

REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 602011005489

Country of ref document: DE

Representative=s name: LOHR, JOESTINGMEIER & PARTNER PATENT- UND RECH, DE

Ref country code: DE

Ref legal event code: R081

Ref document number: 602011005489

Country of ref document: DE

Owner name: SPINNER GMBH, DE

Free format text: FORMER OWNER: ALCATEL LUCENT, PARIS, FR