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DE112020000169T5 BANDPASSFILTERSCHALTUNG UND MULTIPLEXER  
Vorgesehen durch eine Bandpassfilterschaltung und einen Multiplexer. Die Bandpassfilterschaltung umfasst mindestens eine elektromagnetische LC-Filterschaltung und mindestens eine...
DE112018008086B4 KOPPLUNGSSCHLEIFENSCHALTUNG, STÖRFILTERSCHALTUNG UND SCHALTUNGSERZEUGUNGSVERFAHREN  
Kopplungsschleifenschaltung, umfassend:erste bis vierte Leiter (11-14), die in einer Schleifenform verschaltet sind, damit ein erster Schleifenbereich (61) ausgebildet wird; undfünfte bis achte...
DE112015004609B4 Abzweigungsvorrichtung  
Abzweigungsvorrichtung (1, 1A, 1B), die auf einer Leiterplatte (20) umfasst:erste bis vierte Signalanschlüsse (T1, T2, T3, T4),ein erstes Filter (100, 100A), das mit den ersten bis dritten...
DE102021214143A1 PHASENSCHIEBER MIT GESCHALTETEN ÜBERTRAGUNGSLEITUNGSLASTEN  
Vorrichtungen und Verfahren für Phasenschieber mit geschalteten Übertragungsleitungslasten werden hierin beschrieben. In bestimmten Ausführungsformen umfasst ein Phasenschieber einen ersten...
DE112020003868T5 Method of forming Group III piezoelectric thin films by removing portions of the first sputtered material  
A method for forming a piezoelectric thin film includes sputtering a first surface of a substrate to provide a piezoelectric thin film comprising AlN, AlScN, AlCrN, HfMgAlN or ZrMgAlN thereon, and...
DE112019002418B4 Connected body and elastic wave element  
Connected body comprising: a piezoelectric single crystal substrate; a carrier substrate comprising monocrystalline silicon; a bonding layer provided between the supporting substrate and the...
DE112018004250B4 Arrangement of a substrate made of a piezoelectric material and a carrier substrate and method for producing the arrangement  
Connected body comprising: a carrier substrate; a silicon oxide layer provided on the support substrate; and a piezoelectric material substrate provided on the silicon oxide layer, the...
DE102021213843A1 BALUNS WITH INTEGRATED MATCHING NETWORKS  
Baluns with integrated matching networks are disclosed herein. In certain embodiments, a balun structure includes a first pair of coupled lines, a second pair of coupled lines, and a transmission...
DE102020133489A1 Electrical system for a motor vehicle and motor vehicle  
Vehicle electrical system for a motor vehicle (1) for supplying at least one electric traction motor (14) of the motor vehicle (1), the vehicle electrical system (2) having at least one line...
DE102017101602B4 A wide bandwidth multiplexer based on LC and acoustic resonator circuits for performing carrier aggregation  
A wide bandwidth multiplexer, MUX, (100) comprising: an input terminal (111) connected to an antenna (101), a low-band filter (102) connected to the input terminal (111) and having a passband with...
DE102013018011B4 Capacitively coupled gyrator based on the Hall effect  
Gyrator for AC signals, comprising a Hall effect material, means for impinging this Hall effect material with a magnetic field perpendicular to its plane or surface, at least one input port for...
DE102010031290B4 Circuit device with integrator circuits  
Circuit device (6) which has at least two integrator circuits (20, 22, 24) which are clocked successively in successive clock phases (T1, T2, T3), wherein each integrator circuit (20, 22, 24) has...
DE102016109829B4 Acoustic resonator structure with a plurality of contacts on connection sides  
A Bulk Acoustic Wave, BAW, resonator (100) comprising: a bottom electrode (102), a top electrode (104) comprising a connection side (112) having a width, a piezoelectric layer (103) arranged...
DE102021129427A1 Fabrication of XBAR devices with excess piezoelectric material removed  
A method of fabricating a filter device includes a bonding layer formed on a substrate having at least one first cavity site and one second cavity site on a single chip. A piezoelectric sheet is...
DE102021125853A1 CURRENT MODE TRANSCONDUCTANCE CAPACITY FILTER IN A HIGH FREQUENCY DIGITAL TO ANALOG CONVERTER  
A filter stage system comprises a continuous-time baseband filter filter stage system which has a feedback loop which uses at least a first impedance node and at least a second impedance node,...
DE102013200311B9 Optical system for imaging an object and method for operating the optical system  
Optical system (1) for imaging an object (O), with - at least one first lens (14A), - at least one first image stabilization unit (16A), - at least one first image plane (23A), viewed from the...
DE102007000117B4 Thin film piezoelectric device  
A thin film piezoelectric device comprising a single or a plurality of film bulk acoustic resonators, the thin film piezoelectric device comprising: a piezoelectric thin film (14, 24), a support...
DE112014006080B4 Device for elastic waves  
An elastic wave device (1, 21, 31, 41, 51, 61, 71, 81, 91, 101, 111) comprising: a support substrate (2, 32), a multilayer film (3) disposed on the supporting substrate and including a...
DE102021129421A1 Transversely excited film bulk acoustic resonator with low thermal impedance  
A low thermal impedance acoustic resonator device includes a substrate and a single crystal piezoelectric plate having a back surface attached to a top surface of the substrate via a bonding oxide...
DE102020129294A1 SAW device and method of its operation and use  
The invention relates to a SAW component (1) with a substrate (2) and at least one piezoelectric layer (3) arranged on the substrate and at least one transducer (4) arranged on the piezoelectric...
DE102019121349B4 Electric filter and filter system  
An electrical filter (100) comprising - an input terminal (5), an output terminal (6) and a first ground terminal (3a), - a first series resonator (1a) and a first shunt resonator (2a), wherein -...
DE102016105515B4 surface acoustic wave filter  
Surface acoustic wave filter (10) comprising: a piezoelectric LiTaO3substrate (11) and interdigital transducer electrodes (14a, 14b) formed on the piezoelectric LiTaO3- substrate (11) are...
DE112020003040T5 FILTER UNIT  
A filter unit according to the present invention includes a substrate, capacitors mounted on the substrate, and two inductors. The inductors each contain a wire and a core. The core contains two...
DE112019001985B4 Bonded body of a single crystal piezoelectric substrate and a support substrate  
Connected body comprising: a carrier substrate; a single crystal piezoelectric substrate comprising a material selected from the group consisting of lithium niobate, lithium tantalate and lithium...
DE112015003391B4 duplexer  
Duplexer (1) comprising: an input terminal (8) and an output terminal (10) formed on a piezoelectric substrate (2), a transmit filter (1B) and a reception filter (1A), wherein at least one of the...
DE102021127486A1 Method of manufacturing a film bulk acoustic resonant device with a specific resonant frequency  
A method of manufacturing a film bulk acoustic resonance device (1) is disclosed. The proposed method in which the device (1) has a specific resonant frequency includes: providing an upper...
DE102021127485A1 Method of making a film bulk acoustic resonant device with specific resonant frequency  
A method of manufacturing a film bulk acoustic resonance device (1) is disclosed. The proposed method, in which the device (1) has a specific resonant frequency, includes: providing a substrate...
DE102014102518B4 Package for a tunable filter  
Package for a tunable filter, - Comprising a serial signal line (SL), which has at least 4 circuit nodes, to which a respective parallel branch is coupled to ground, in which a high-quality,...
DE112020003233T5 THICKNESS MODE RESONATOR  
A resonator comprising a substrate having a cavity extending in a major surface thereof and a vibrating resonator above the major surface of the substrate and having top and bottom electrodes with...
DE202022100019U1 Phase shifter 180 degree topology  
Phase shift circuitry, comprising:a first node;a second node;a first signal path coupled between the first node and the second node, the first signal path comprising a positively coupled...
DE112020003512T5 Composite body and acoustic wave element  
(Objective) An object is to provide a composite body capable of improving the Q value of an acoustic wave device. (Solution) A composite body 9A comprises a support substrate 6, a piezoelectric...
DE102021125831A1 DEVICES AND METHODS FOR CONTROLLING AND CALIBRATION TUNABLE FILTERS  
Devices and methods for controlling and calibrating tunable filters are provided. In particular embodiments, a tunable filter includes at least one controllable component (e.g., a controllable...
DE102021125641A1 Acoustic matrix filters and radios with acoustic matrix filters  
Acoustic filters and radios containing these acoustic filters are disclosed. A filter includes a first filter port, a second filter port, and n sub-filters, where n is an integer greater than one....
DE102021123211A1 Apparatus, system and method for capacitive communication over galvanic isolation  
In some examples, a device is arranged to include a galvanic isolation barrier between first and second voltage ranges. The device includes first and second capacitors arranged across the galvanic...
DE102020201415B4 RADIO FREQUENCY MULTIPLEXER  
A radio frequency multiplexer (10) comprising: • a number of M multiplexer branches (12-1 to 12-M), each having an outer port connection (14) coupled to a common outer node (16), where M is a...
DE112020003020T5 ACOUSTIC WAVE FILTERS WITH SPLIT CONDUCTOR  
Filter devices and method of manufacturing filter devices. A filter device includes a first chip and a second chip. The first die has a first stack of materials and includes one or more series...
DE112018005793B4 Bonded body of a substrate made of a piezoelectric material and a supporting substrate  
Connected body comprising: a support substrate; a piezoelectric material substrate comprising a material selected from the group consisting of lithium niobate, lithium tantalate and lithium...
DE102021209875A1 VOLUME WAVE ACOUSTIC DEVICE WITH RAISED FRAME STRUCTURE  
Aspects of this disclosure relate to a bulk acoustic wave device having an elevated frame of multiple transconductances. The bulk acoustic wave device includes a first electrode, a second...
DE102018129076B4 High frequency filter and multiplexer  
Ladder type high frequency filter (10) comprising: at least one series arm resonator (s11 - s17) connected in a path between a first input/output port (m11) and a second input/output port (m12),...
DE112020003154T5 MONOLITHIC DIE WITH ACOUSTIC-WAVE RESONATORS AND ACTIVE CIRCUIT ARRANGEMENT  
Embodiments may relate to a radio frequency (RF) front end module (FEM). The RF FEM can include an integrated die with an active portion and an acoustic wave resonator (AWR) portion adjacent to...
DE102019215489B4 noise filter  
Noise filter (1) comprising: a metallic bottom plate (10); a case main body (20) formed integrally with a terminal block (21, 22) and fixed to the bottom panel (10); a capacitor (50, 60)...
DE102005029453B4 Chip component with improved thermal resistance  
chip component - with a crystalline or ceramic substrate (SU), - with metallic active component structures (BS) on the substrate, - with pads (AF), which are electrically conductively connected to...
DE102021209553A1 MULTILAYERY PIEZOELECTRIC SUBSTRATE WITH CONTROLLABLE DELTA TEMPERATURE COEFFICIENT OF FREQUENCY  
An electronic device comprises a multilayer piezoelectric substrate with a support substrate, a layer of piezoelectric material which is applied to a front side of the support substrate, and a...
DE102021122787A1 ELECTRONIC DEVICES WITH PASSIVE HIGH FREQUENCY POWER DISTRIBUTION CIRCUIT  
An electronic device may include a transceiver, first and second antennas, and passive radio frequency power distribution circuitry. The distribution circuitry may have a first port coupled to the...
DE102019104423B4 BAW resonator with an improved crystal quality, HF filter, multiplexer and manufacturing process  
BAW resonator (BAWR) with improved crystal quality, comprising - a lower electrode (BE), - a top electrode (TE) over the bottom electrode, - a piezoelectric layer (PL) between the lower electrode...
DE102016114662B4 Reconfigurable micro-acoustic filter and duplexer with reconfigurable micro-acoustic filter  
Microacoustic filter (MAF), comprising - a characteristic frequency range - a signal path (SP) with a tunable phase shifter (AP) and a series resonator (SR), - a parallel path (PP), which connects...
DE102011050376B4 Dielectric waveguide filter with bandwidth adjustment structure and method  
Waveguide filter with: a monoblock (101, 1101) of dielectric material having a plurality of outer surfaces and at least one step (136, 138, 1136, 1138) spacing an outer surface (140) from one of...
DE102021121329A1 TRANSVERSAL EXCITED FILM VOLUME ACOUSTIC RESONATOR WITH LINKAGE SUPPORTED MEMBRANE  
An acoustic resonator device includes a substrate and a piezoelectric sheet. A first portion of the piezoelectric sheet is attached to the substrate. A second part of the piezoelectric sheet forms...
DE112019001648B4 CONNECTION AND ELASTIC WAVE ELEMENT  
Connected body (5, 15) comprising: a supporting substrate (1) comprising a polycrystalline ceramic material or a monocrystalline material; a single crystal piezoelectric substrate (4); and a...
DE102021121203A1 HF BAW resonator filter architecture for 6.5GHz WiFi 6E coexistence and other ultra wideband applications  
Multi-stage matching network filter circuit device. The device includes a bulk acoustic wave (BAW) resonator device having an input node, an output node, and a ground node. A first matching...