WO2014095281A1 - Schaltungsanordnung - Google Patents
Schaltungsanordnung Download PDFInfo
- Publication number
- WO2014095281A1 WO2014095281A1 PCT/EP2013/074890 EP2013074890W WO2014095281A1 WO 2014095281 A1 WO2014095281 A1 WO 2014095281A1 EP 2013074890 W EP2013074890 W EP 2013074890W WO 2014095281 A1 WO2014095281 A1 WO 2014095281A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- loop
- circuit arrangement
- negative feedback
- coupling
- conductor
- 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.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2804—Printed windings
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
- H03H9/703—Networks using bulk acoustic wave devices
- H03H9/706—Duplexers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
- H03H9/72—Networks using surface acoustic waves
- H03H9/725—Duplexers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
- H01F2038/143—Inductive couplings for signals
Definitions
- the invention relates to a circuit arrangement for adapting the electroacoustic properties of an electroacoustic component.
- Object of the present invention is to provide a simple way to adjust the inductive coupling.
- the first conductor loop points a main loop and a negative feedback loop, wherein the negative feedback loop has a curvature which is opposite to a curvature of the main loop.
- the negative feedback loop compensates for coupling between the main loop and the other element.
- the other element may be any one
- the further element may be another conductor loop.
- the further element may also be an output conductor loop formed by a balanced terminal.
- the further element can also be a current path of
- Circuit arrangement which forms an inductance.
- the first conductor loop and the further element can be arranged in the topology of the equivalent circuit diagram at any distance from each other.
- the coupling between the first conductor loop and the further element has a particularly strong influence on the characteristic of the circuit arrangement, if a large part of the topology of the
- the circuit arrangement may be, for example, a circuit arrangement which is electroacoustic
- Electro-acoustic components are, for example, components that work with surface acoustic wave (SAW) or with bulk acoustic wave (BAW).
- SAW surface acoustic wave
- BAW bulk acoustic wave
- the circuit arrangement can be any circuit arrangement working components.
- the circuit arrangement can be any circuit arrangement working components.
- the first conductor loop and / or the further element can each be a matching coil, which is connected in the circuit arrangement for adapting the acoustic properties.
- the first conductor loop and / or the further element can each between
- Antenna terminal and transmitting terminal can be arranged.
- Coupling is compensated with broadband effect. There are no restrictions on a filter topology required. Furthermore, this possibility of compensating for the coupling can be used independently of the housing technology used.
- the coupling between two loops is an inductive one
- the coupling that is compensated by the negative feedback loop may be a parasitic coupling that undesirably alters the electroacoustic properties of the circuitry.
- Focus of the negative feedback loop and a geometric center of gravity of the main loop can be one
- Negative feedback loop by a maximum of 50 ° from a direction of coupling between the main loop and the further element, wherein the direction of the coupling through the
- the negative feedback loop may have a length corresponding to at least 70% of a turn of the main loop.
- the negative feedback loop may have a single turn.
- the winding of the negative feedback loop can with the
- Circuit arrangement to be constructed.
- the negative feedback loop may have an elliptical segment-shaped turn, with the end points of the elliptical segment with the center of the associated ellipse an angle of at least 90 °. Preferably close the
- the elliptical segment-shaped turn may be a circular segment-shaped turn, wherein the end points of the circle segment with the center of the associated circle form an angle of at least 90 °, wherein the
- Angle is preferably at least 160 °.
- the negative feedback loop may have a smaller inductance than the main loop.
- the circuit arrangement may comprise a chip which is arranged on a substrate, wherein the first conductor loop is arranged on the side of the substrate which faces the chip.
- the chip may further comprise device structures.
- the component structures may be
- the first conductor loop can be arranged directly opposite to an electroacoustic component.
- Electroacoustic devices may be disposed in a cavity formed between the chip and the substrate.
- the first conductor loop may be arranged in the substrate.
- the substrate may be single-layered or multi-layered.
- the first conductor loop may be arranged in the substrate.
- the substrate may be single-layered or multi-layered.
- the first conductor loop may be arranged in the substrate.
- Conductor loop may be arranged either in a single layer of the substrate or extend over several layers of the substrate.
- the main loop could be in one be disposed first layer of the substrate and the negative feedback loop in a second layer of the substrate.
- the circuit arrangement may further comprise an electroacoustic component, wherein the first conductor loop the
- the electroacoustic properties which are adapted by the first conductor loop can be, for example, the transmission characteristic of the circuit arrangement.
- the electroacoustic device may be MEMS devices.
- the further element may be another conductor loop.
- the further element can be arranged at any point in the equivalent circuit of the circuit arrangement, wherein the coupling between the first conductor loop and the further element is particularly relevant for the
- Characteristic of the circuit arrangement is when the coupling bridges a large part of the topology of the circuit arrangement. Furthermore, couplings that are high
- Coupling strength always relevant.
- the circuit arrangement may further comprise a plurality of further elements each connected to the main loop of the first
- Couple conductor loop wherein the couplings superimpose to a total coupling
- Negative feedback compensates the total coupling. Accordingly, the first conductor loop is not only designed to compensate for couplings with a single further element, but rather can simultaneously compensate for couplings with several other elements as well.
- the direction of the negative feedback loop can be maximally 50 ° from each of the directions of the couplings between the
- the circuit arrangement may be the circuit arrangement described above. Accordingly, the structural and functional features of the above
- the electroacoustic device may be a MEMS device.
- FIG. 1 shows an equivalent circuit diagram of a circuit arrangement
- FIG. 2 shows a first conductor loop
- FIG. 3 is another equivalent circuit diagram of a
- FIG. 4 shows a chip which is arranged on a substrate, a circuit arrangement resulting from the
- FIG. 9 shows a substrate with arranged on the substrate
- FIG. 1 shows an equivalent circuit diagram of a circuit arrangement 1.
- the circuit arrangement 1 has an antenna connection 2, to which an antenna 3 is connected. Furthermore, the circuit arrangement 1 has a transmission signal path 4 and a reception signal path 5.
- the transmission signal path 4 connects the antenna terminal 2 to a transmission terminal 6
- Receiving signal path 5 connects the antenna terminal 2 with a receiving terminal 7.
- the circuit arrangement 1 further comprises electro-acoustic
- electroacoustic components 8 on. Both in the transmission signal path 4 and in the received signal path 5 electroacoustic components 8 are arranged. The electroacoustic components 8 determine the acoustic properties, for example the
- the electroacoustic devices 8 can operate with surface acoustic waves Have components and / or working with bulk acoustic waves components.
- circuit arrangement 1 has a first one
- Circuit arrangement is the first conductor loop 9 a
- Circuit 1 further conductor loops 10 on.
- the received signal path 5, which connects the antenna terminal 2 to the receiving terminal 7, is connected via auxiliary paths 11 in each case to a reference potential 12, wherein in the
- Reference potential 12 an electro-acoustic device 8 and / or a conductor loop 9, 10 are connected.
- the fourth secondary path 11 which is viewed from the antenna connection 2, connects the node 13 of FIG.
- the transmission signal path 4 is also connected via auxiliary paths 11 to the reference potential 12, wherein an electroacoustic component 8 and / or a conductor loop 10 are interconnected in the auxiliary paths 11 between a node 13 arranged in the transmission signal path 4 and the reference potential 12.
- the first conductor loop 9 is coupled by an inductive coupling 14 with another element 15 of the circuit arrangement 1.
- the further element 15 is an in - lo ⁇ dern received signal path 5 interconnected second conductor loop.
- the second conductor loop is serial between the antenna terminal 2 and an electroacoustic component 8
- the inductive coupling 14 between the first conductor loop 9 and the further element 15 is a parasitic coupling, which undesirably alters the acoustic properties of the circuit arrangement 1.
- the influence of the inductive coupling 14 is particularly large, since by the inductive
- Coupling 14 in the topology of the equivalent circuit a large part of the received signal path 5 is bridged.
- first conductor loop 9 can also be used with others
- FIG 2 shows an embodiment of the first conductor loop 9, which allows the coupling 14 between the first
- the first conductor loop 9 shown in FIG. 2 has a
- the negative feedback loop 17 has a sense of curvature opposite to a sense of curvature of the main loop 16.
- the center of the first conductor loop 9 is defined as point A. Now, if the conductor loop 9 expired, starting from the point A, so is between the point A and a Point B always has a first sense of curvature. At point B, the sense of curvature changes. Between the point B and a point C there is always a second curvature sense which
- the separation point B is defined by the fact that at this point B the curvature of the first
- Conductor loop 9 changes. Should be between a main loop
- Negative feedback loop 17 may be arranged with a second curvature sense a grades conductor piece, the center of the straight conductor piece as a separation point B between
- the main loop 16 of the first conductor loop 9 is always the part of the first conductor loop 16 is considered, which has a greater inductance. Accordingly, the
- Main loop 16 has a greater inductance than that
- Main loop 16 defined.
- the convex hull of the main loop 16 is considered and the geometric center of gravity of the convex hull is defined as the geometric center of gravity 18 of the main loop 16.
- the geometric center of gravity of the convex hull of the negative feedback loop 17 as a geometric center of gravity 19 of the negative feedback loop
- Center of gravity 18 of the main loop 16 is further described as
- Circuit arrangement 1 is particularly strongly and particularly disturbingly coupled to the first conductor loop 9 inductively. These will usually be conductor loops that are in the
- the direction 31 of the coupling 14, which is shown for example in FIG. 5, is defined by a
- Connecting line which is the geometric center of gravity of
- Negative feedback loop 17 arranged such that the
- Negative feedback loop 17 opposite the main loop 16 has an opposite direction of curvature, affects the coupling between the negative feedback loop 17 and the other element 15, the acoustic properties of
- Circuit arrangement 1 is inversely connected to the coupling 14 between the main loop 16 and the further element 15. Accordingly, the negative feedback loop 17 compensates for the inductive coupling 14 between the main loop 16 and the further element 15. In this way, the unwanted parasitic coupling 14 between the main loop 16 of the first conductor loop 9 and the other element 15 almost balanced.
- the negative feedback loop 17 has a length which corresponds to at least 70% of the length of one turn of the main loop 16.
- the negative feedback loop 17 has a
- Counter coupling loop 17 a circular segment-shaped winding, wherein the end points 22, 23 of the circle segment with the center 24 of the associated circle includes an angle 25 of at least 90 °, preferably of at least 160 °.
- FIG. 3 shows a further equivalent circuit diagram of a
- Circuit arrangement 1 in which a first conductor loop 9 is inductively coupled to a further element 15.
- Structure of the circuit arrangement 1 corresponds essentially to the structure of the circuit arrangement shown in Figure 1.
- the circuit arrangement 1 shown in Figure 3 connects an antenna terminal 2 via a transmission signal path 4 with a transmission terminal 6 and a received signal path 5 with a receiving terminal 7. Further, the
- Circuit arrangement 1 side paths 11, each of the transmission signal path 4 or the received signal path 6 via
- electroacoustic components 8 and / or conductor loops 9, 10 connect to a reference potential 12.
- the reception terminal 7 of the reception signal path 5 is designed to be balanced. Accordingly, the receiving terminal 7 has an output conductor loop 26.
- Output conductor loop 26 is here the further element 15, which inductively couples with the first conductor loop 9.
- the first conductor loop 9 is in a secondary path 11 of the
- Transmitted signal paths 4 arranged and serves to adapt the acoustic properties of the transmission signal path 4.
- Such a coupling 14 is a particularly large part of
- Topology of the circuit 1 bridges, so that the Sensitivity of the coupling 14 on the frequency characteristics of the circuit 1 is particularly high.
- the first conductor loop 9 furthermore has the main loop 16 and the negative feedback loop 17 as shown in FIG.
- the direction of action 20 of the negative feedback loop 17 is again set as described above.
- the first conductor loop 9 may be any conductor loop of the circuit arrangement 1.
- the first conductor loop 9 may be arranged in the transmission signal path 4, the reception signal path 6 or in one of the auxiliary paths 11. The further
- Element 15 can also be any element of
- Circuit arrangement 1 be.
- the further element 15 may be arranged in the transmission signal path 4, the reception signal path 6 or in one of the secondary paths 11.
- the further element 15 can also by the
- Reception terminal 7 are formed.
- FIG. 4 shows a schematic view of a chip 27 which is bonded onto a substrate 28.
- Substrate 28 are interconnected via bonding connections 29 to form a circuit arrangement 1.
- the chip 27 has component structures 30.
- Circuit arrangement 1 arranged.
- component structures 30 are likewise arranged on the substrate 28.
- the first substrate 28 the substrate 28
- electroacoustic components 8 immediately opposite.
- first conductor loop 15 and further conductor loops 10 may also be formed within the substrate 28 by metallizations.
- FIG. 5 shows a circuit arrangement 1 resulting from the connection of the chip 27 to the substrate 28.
- the arranged on the chip 27 electro-acoustic components 8 are shown in the representation of Figure 5 as an equivalent circuit diagram, the arrangement of the electro-acoustic components 8 in the representation of Figure 5 of
- the circuit arrangement 1 has a first conductor loop 9, a second conductor loop 10 and a third conductor loop 10.
- the first conductor loop 9 has a main loop 16 and a negative feedback loop 17. Further is
- the negative feedback loop 17 is here designed to both a coupling 14 with the second
- the effective direction 20 of the negative feedback loop 17 and the directions 31 of the respective coupling in each case enclose an angle which is smaller than 50 °.
- FIG. 6 shows a further embodiment of the circuit arrangement 1.
- the representation of FIG. 6 corresponds to the illustration of FIG. 5.
- the negative feedback loop 17 is connected to a frame 32 which is arranged on the substrate 28. Accordingly, the frame 32 contributes to the negative feedback.
- the frame 32 comprises a metal, for example copper.
- FIG. 7 shows an exemplary embodiment of the first conductor loop 9 in a multilayer substrate 28, which has a first layer 33 and a second layer 34.
- the first conductor loop 9 is partly on a first layer 33 of the substrate 28 and partly on a second layer 34 of the substrate 28
- the main loop 16 is arranged in the first layer 33 of the substrate 28. Furthermore, the
- Substrate 28 is arranged.
- FIG. 8 shows a circuit arrangement 1 in the same representation as in FIGS. 5 and 6. The first
- Conductor loop 9 is here with the transmission signal path 4 of
- FIG. 9 shows the substrate 28 of the circuit arrangement in a perspective view. On this substrate 28, a not shown in Figure 9 chip 27 is further bonded. On the substrate 28, a metallization 35 is arranged.
- Metallization forms the conductor loops 9, 10.
- Metallization 35 on the substrate 28 has here the first conductor loop 9 and three further conductor loops 10.
- the first conductor loop 9 has the main loop 16 and the negative feedback loop 17.
- the negative feedback loop 17 may, as described above, couple the main loop
- the couplings 14 are superimposed to form an overall coupling, which in turn passes through the negative feedback loop
- the balance of the coupling between the main loop 16 and the further elements 15 can be further improved.
- the distances between the coupling elements can be increased.
- Coupling elements can be used in mass areas or via fences. Furthermore, a topology may be used in which couplings between conductor loops are not so relevant, for example, by using coils that are close to each other as viewed from the topology of the filter equivalent circuit diagram. Inductive coupling can be compensated by capacitive coupling become. Furthermore, additional electromagnetic poles could be used to compensate for the inductive coupling. The design of an acoustics could be chosen to be an optimal solution under the constraints of existing couplings. Furthermore, symmetries, for example in balanced terminals, can be exploited to minimize inductive coupling.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015548316A JP6085689B2 (ja) | 2012-12-18 | 2013-11-27 | 回路装置 |
| US14/650,300 US10049812B2 (en) | 2012-12-18 | 2013-11-27 | Circuit arrangement |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012112571.6A DE102012112571B3 (de) | 2012-12-18 | 2012-12-18 | Schaltungsanordnung |
| DE102012112571.6 | 2012-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2014095281A1 true WO2014095281A1 (de) | 2014-06-26 |
Family
ID=49759267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2013/074890 Ceased WO2014095281A1 (de) | 2012-12-18 | 2013-11-27 | Schaltungsanordnung |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US10049812B2 (de) |
| JP (1) | JP6085689B2 (de) |
| DE (1) | DE102012112571B3 (de) |
| WO (1) | WO2014095281A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013104842B4 (de) | 2013-05-10 | 2015-11-12 | Epcos Ag | Zur Miniaturisierung geeignetes HF-Bauelement mit verringerter Kopplung |
| CN109478882B (zh) | 2016-07-15 | 2022-08-23 | 株式会社村田制作所 | 多工器、高频前端电路以及通信终端 |
| WO2018012274A1 (ja) * | 2016-07-15 | 2018-01-18 | 株式会社村田製作所 | ラダー型周波数可変フィルタ、マルチプレクサ、高周波フロントエンド回路、および、通信端末 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004012213A1 (en) * | 2002-07-25 | 2004-02-05 | Philips Intellectual Property & Standards Gmbh | Planar inductance |
| WO2005117255A1 (ja) * | 2004-05-26 | 2005-12-08 | Hitachi Communication Technologies, Ltd. | フィルタ回路、論理ic、マルチチップモジュール、フィルタ搭載型コネクタ、伝送装置及び伝送システム |
| US20060226943A1 (en) * | 2005-03-30 | 2006-10-12 | Marques Augusto M | Magnetically differential inductors and associated methods |
| US7151430B2 (en) * | 2004-03-03 | 2006-12-19 | Telefonaktiebolaget Lm Ericsson (Publ) | Method of and inductor layout for reduced VCO coupling |
| US20120081192A1 (en) * | 2010-09-30 | 2012-04-05 | Murata Manufacturing Co., Ltd. | Branching device |
| EP2530837A1 (de) * | 2010-01-28 | 2012-12-05 | Murata Manufacturing Co., Ltd. | Oberflächenschallwellen-filtervorrichtung |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6972658B1 (en) * | 2003-11-10 | 2005-12-06 | Rf Micro Devices, Inc. | Differential inductor design for high self-resonance frequency |
| JP4781969B2 (ja) | 2006-10-31 | 2011-09-28 | 京セラ株式会社 | 分波器デバイス用回路基板、分波器、及び通信装置 |
| JP2009135815A (ja) * | 2007-11-30 | 2009-06-18 | Seiko Epson Corp | ノイズフィルタおよび半導体デバイス |
| JP5099219B2 (ja) * | 2008-05-07 | 2012-12-19 | 株式会社村田製作所 | 弾性波フィルタ装置 |
| EP2381576B8 (de) * | 2008-12-26 | 2019-01-02 | Taiyo Yuden Co., Ltd. | Demultiplexer und elektronische einrichtung |
| DE102010008774B4 (de) | 2010-02-22 | 2015-07-23 | Epcos Ag | Mikroakustisches Filter mit kompensiertem Übersprechen und Verfahren zur Kompensation |
| JP5896638B2 (ja) * | 2010-12-13 | 2016-03-30 | 太陽誘電株式会社 | 積層型電力分配器 |
| US20130043961A1 (en) * | 2011-08-15 | 2013-02-21 | Avago Technologies Wireless Ip (Singapore) Pte.Ltd | Duplexer with shielding bondwires between filters |
| JP5896039B2 (ja) * | 2012-10-24 | 2016-03-30 | 株式会社村田製作所 | フィルタ装置 |
-
2012
- 2012-12-18 DE DE102012112571.6A patent/DE102012112571B3/de not_active Expired - Fee Related
-
2013
- 2013-11-27 WO PCT/EP2013/074890 patent/WO2014095281A1/de not_active Ceased
- 2013-11-27 US US14/650,300 patent/US10049812B2/en active Active
- 2013-11-27 JP JP2015548316A patent/JP6085689B2/ja not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004012213A1 (en) * | 2002-07-25 | 2004-02-05 | Philips Intellectual Property & Standards Gmbh | Planar inductance |
| US7151430B2 (en) * | 2004-03-03 | 2006-12-19 | Telefonaktiebolaget Lm Ericsson (Publ) | Method of and inductor layout for reduced VCO coupling |
| WO2005117255A1 (ja) * | 2004-05-26 | 2005-12-08 | Hitachi Communication Technologies, Ltd. | フィルタ回路、論理ic、マルチチップモジュール、フィルタ搭載型コネクタ、伝送装置及び伝送システム |
| US20060226943A1 (en) * | 2005-03-30 | 2006-10-12 | Marques Augusto M | Magnetically differential inductors and associated methods |
| EP2530837A1 (de) * | 2010-01-28 | 2012-12-05 | Murata Manufacturing Co., Ltd. | Oberflächenschallwellen-filtervorrichtung |
| US20120081192A1 (en) * | 2010-09-30 | 2012-04-05 | Murata Manufacturing Co., Ltd. | Branching device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2016504872A (ja) | 2016-02-12 |
| US10049812B2 (en) | 2018-08-14 |
| JP6085689B2 (ja) | 2017-02-22 |
| US20150310987A1 (en) | 2015-10-29 |
| DE102012112571B3 (de) | 2014-06-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE10248493A1 (de) | Verzweigungsfilter und Kommunikationsvorrichtung | |
| DE602004007458T2 (de) | Symmetrierglied | |
| DE10392971B4 (de) | Filterschaltung | |
| DE60202401T2 (de) | Eingangsschaltung für Sendeempfänger | |
| DE10139164B4 (de) | Monolithische LC-Komponenten | |
| DE10222593B4 (de) | Integrierter Filterbalun | |
| DE10234737B4 (de) | Oberflächenwellenduplexer und Kommunikationsvorrichtung | |
| DE112015004609B4 (de) | Abzweigungsvorrichtung | |
| US9083306B2 (en) | Band-pass filter | |
| KR101633809B1 (ko) | 탄성파 필터 장치 및 듀플렉서 | |
| DE102008052222B4 (de) | Antennen Duplexer mit hoher GPS-Unterdrückung | |
| DE102004005684A1 (de) | Symmetrisch-Unsymmetrisch-Wandlungsschaltung und laminierter Symmetrisch-Unsymmetrisch-Wandler | |
| DE10296803T5 (de) | Filter mit akustischem Filmvolumenresonator und Duplexer | |
| DE112016001482B4 (de) | Duplexer | |
| DE102010062069A1 (de) | Duplexer mit Schaltung zum negativen Phasenverschieben | |
| DE69837074T2 (de) | Integrierter Duplexer und mobile Übertragungsvorrichtung mit Duplexer | |
| DE102014108135A1 (de) | Balun mit vier LC Elementen | |
| DE102010030704A1 (de) | Spulen-Transducer Isolator-Baugruppe | |
| DE102004011719A1 (de) | Halbleitervorrichtung mit symmetrischer Schaltung zur Verwendung in einem Hochfrequenzband | |
| JP6363798B2 (ja) | 方向性結合器および通信モジュール | |
| DE112011103586T5 (de) | Demultiplexer für elastische Wellen | |
| DE102009031133A1 (de) | Bulkakustikwellenfiltervorrichtung und ein Verfahren zum Trimmen einer Bulkakustikwellenfiltervorrichtung | |
| DE69422968T2 (de) | Montageanordnung für elektronisches Bauteil | |
| DE102005061601A1 (de) | Resonatorfilter | |
| DE102012112571B3 (de) | Schaltungsanordnung |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 13802910 Country of ref document: EP Kind code of ref document: A1 |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 14650300 Country of ref document: US |
|
| ENP | Entry into the national phase |
Ref document number: 2015548316 Country of ref document: JP Kind code of ref document: A |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 13802910 Country of ref document: EP Kind code of ref document: A1 |