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DE102017111448A1 SAW device with suppressed interfering mode signals  
For a multilayer SAW device disposed on a support substrate, it is proposed to use a specific material for the support substrate. If a silicon material having a selected range of Euler angles is...
DE202018005094U1 Balancing element with integrated impedance conversion and bandpass filter  
Balancing member for a local coil (50) of a magnetic resonance tomograph (1), having an asymmetrical signal input (61) and a first balanced signal output (62) and a second balanced signal output...
DE202017105350U1 High frequency impedance matching network and its use  
A high frequency impedance matching network comprising an input port and an output port, said input port being an input to a signal of a high frequency generator G, said output port being an...
DE112018000012T5 Connected bodies and acoustic wave devices  
An object is to improve the insulation in a bonding layer and to improve the bonding strength of a substrate and a piezoelectric single crystal substrate in a bonded body comprising the substrate...
DE112014004085B4 Elastic wave resonator, elastic wave filter device, and duplexer  
Single-port resonator (1) for elastic waves, comprising a first terminal (9) and a second terminal (10), the resonator comprising: a piezoelectric substrate (2) having a polarization direction,...
DE112014004077B4 Elastic wave resonator, elastic wave filter device, and duplexer  
An elastic wave resonator (1) which is a single-port elastic wave resonator including a first terminal (9) and a second terminal (10), comprising: a piezoelectric substrate (2), a first IDT...
DE102017208205A1 Variable filter element filter, method of making a filter element, and method of operating a filter element  
The invention relates to a filter element (200) with a variable filter area. The filter element (200) comprises a filter layer (202) designed as a composite of an acoustic resonator piezoelectric...
DE102017207760A1 Circuit for generating analog signals  
A circuit and a method for generating analog signals are provided, at least comprising a PWM generator (10) and an adjoining analog filter (20), wherein the mean value of the pulse width modulated...
DE102017118804B3 Acoustic resonator with high Q  
An acoustic BAW resonator with high Q, high coupling and improved suppression of disturbing modes is presented. The BAW resonator comprises an active resonator region (AR) formed by an overlap of...
DE102017110233A1 SAW device with suppressed parasitic signal  
In a SAW device comprising a SAW chip having a SAW converter disposed within a first signal line, parasitic signals due to higher harmonics of the operating frequency of the SAW devices are...
DE102017110160A1 Widely tunable preselection filter for radio receivers and spectrum analyzers  
The invention describes a novel preselection filter for radio receivers and spectrum analyzers, which by means of a differential amplifier and two low-pass filters and a model-based...
DE102014107592B4 Bulk Acoustic Wave Resonator with piezoelectric layer with varying amounts of dopant  
Bulk Acoustic Wave (BAW) resonator structure (300, 500) comprising: a first electrode (307) disposed over a substrate (305); a piezoelectric layer (308) disposed over the first electrode (307),...
DE102013221449B4 An acoustic resonator with a guard ring  
A Bulk Acoustic Wave (BAW) resonator structure comprising: a lower electrode (415) disposed over a substrate (405); a piezoelectric layer (425) disposed over the lower electrode (415); an upper...
DE102010030623B4 Piezoelectric resonator structures with temperature compensation  
A method of making an electrical resonator (100), the method comprising: Forming a cavity (106) in a substrate (101); Providing a layer of sacrificial material (201) in the cavity (106); Forming a...
DE102010011651B4 Front-end circuit with increased flexibility in the arrangement of the circuit components  
Front-end circuit (FES), comprising a first module (M1) having an antenna terminal (AAM1), a diplexer (DI) and a first duplexer (DU1), a second module (M2) with a second duplexer (DU2), - A first...
DE112012007215B4 Electro-acoustic component  
Electroacoustic component comprising a carrier wafer with a passivation layer a piezoelectric layer over the passivation layer and an interdigital transducer in an electrode layer on the...
DE102017117851B3 Electric circuit and method for controlling an acousto-optic crystal  
The present invention relates to an electrical circuit (1) for controlling an acousto-optic crystal (5), wherein the electrical circuit (1) comprises a piezoelectric transducer (6) for transposing...
DE112014002593B4 Carrier substrate for composite substrate and composite substrate  
A carrier substrate for a composite substrate, wherein the carrier substrate comprises a ceramic and has a polished surface for use in bonding: wherein the degree of orientation of the ceramic on...
DE102008062605B4 Component that works with acoustic waves, and method for its production  
Component, which works with acoustic waves, comprising a substrate (1) of a piezoelectric material, a first electrode plane in which lower electrode structures (3) comprising an acoustically...
DE102007001281B4 Electronic measuring device with switchable trigger filter  
Electronic measuring device for displaying the time course of signals, which includes a trigger system, wherein the meter has a first adjustable function for the exclusion of low frequencies (LF...
DE112017000613T5 Circuits, systems and methods for providing asynchronous sample rate conversion for an oversampling sigma-delta analog-to-digital converter  
A variable output data rate converter circuit preferably meets performance requirements while keeping circuit complexity low. In some embodiments, the converter circuit may include an oversampling...
DE102017206098A1 Line filter with ripple protection  
A network filter (100) for coupling a circuit (109) of an electrical device to a supply network is described. In this case, the supply network provides a supply current (200) with a grid...
DE102017113152B3 Electroacoustic RF filter with increased slew rate, multiplexer and method for laying out an electroacoustic RF filter  
An electroacoustic RF filter providing improved filter edges is provided. The filter has an edge between a transfer belt and a suppression belt and a ladder-type topology. A first inductive...
DE102015117953B4 A bulk acoustic wave resonator device comprising a temperature compensation device having a layer of low acoustic impedance  
A bulk acoustic wave, BAW, resonator (300) comprising: a substrate (101) comprising an acoustic reflector; a first electrode (103) disposed over the substrate (101), the first electrode (103)...
DE102010056562B4 Electroacoustic component and method for producing the electroacoustic component  
An electronic component that is an electroacoustic device comprising a first electrode (10), a second electrode (20), an active region (30) electrically coupled to the first electrode (10) and the...
DE112016005981T5 Device for elastic waves  
An elastic wave device is provided which is small in size and which can maintain its characteristics. The first reflector 13A and the second reflector 14A are juxtaposed in the elastic wave...
DE102018107674A1 Acoustic resonator with extended cavity  
A BAW resonator includes a nonlinear substrate defining a cavity and an acoustic stack over the cavity, the acoustic stack including a bottom electrode, a piezoelectric layer, and an upper...
DE112006001884B4 Electrical component  
Electrical component with a first signal path and a second signal path, which are connected to a common signal path, with a first filter (F1) arranged in the first signal path and a second filter...
DE102017204949A1 Inductive component and method for producing an inductive component  
The present invention, in some illustrative embodiments, provides an inductive component (1a) and a method of manufacturing such an inductive component. The inductive component (1a) in this case...
DE102010036256B4 Microacoustic device and manufacturing process  
Microacoustic component with a substrate (1) comprising at least one layer (4) a dielectric or piezoelectric material, and an electrode (2), characterized in that the electrode (2) is designed as...
DE102010018856B4 Standing wave trap  
Standing wave barrier (MWS), in particular for a magnetic resonance tomography device, with a continuous ladder area extending in a plane (N + F1 + F2; N + F1 + F2 + F3) and at least one capacitor...
DE102007021581B4 Electrical component with a front-end circuit  
An electrical component with a diversity front-end circuit comprising a diversity antenna (DA), wherein the diversity front-end circuit is provided exclusively for the transmission of received...
DE112016005980T5 Device for elastic waves  
There is provided an elastic wave device capable of reducing the influence of variations in film thickness in an IDT electrode overlap region and sufficiently suppressing a transversal mode noise...
DE102018105836A1 Reflective phase shifter with active device tuning  
A phase shifter includes first and second RF terminals, a reference potential terminal; a concentrated element LC network connected to the first and second RF terminals and the reference potential...
DE102017105839A1 Active filter  
A power supply system for a vehicle includes a battery, a charging interface for receiving external power for charging the battery; a network connecting the battery and the charging interface,...
DE102016118953B4 Acoustoelectric oscillator  
An acoustoelectric oscillator based on acoustic waves guided on surfaces, comprising in an electrical circuit at least one component having at least one interdigital transducer (21, 22, 210, 220)...
DE102015122628B4 Wafer Level Package and Manufacturing Process  
Wafer Level Package with improved properties, comprising a first chip of a first material having a thermal expansion coefficient α1 in a horizontal direction, a second chip of a second material...
DE102015116269B4 SCRATCH TRANSFORMER, ANALOG-DIGITAL TRANSFORMER WITH A SCRATCH TRANSFORMER, AND METHOD FOR CONVERTING A DATA FLOW FROM A DATA RATE TO ANOTHER DATA RATE  
Sample rate converter (180) adapted to receive digital data at an input sample rate Fs to receive and data with an output data rate FO to spend, where FO = Fs/ N and N is a decimation factor...
DE112009004938B4 Adaptive impedance matching network  
An adjustable impedance matching network for providing an adjustable matching impedance (Zm) for more than one operating frequency band, comprising: a first impedance adjusting means configured to...
DE102017104994A1 Method for operating an inductive conductivity meter and related inductive conductivity meter  
A method for operating an inductive conductivity meter (1) is shown and described, wherein the conductivity meter (1) has a transmitting coil (3), a receiving coil (4) and a terminating impedance...
DE102012008557B4 Method for feedback suppression in electroacoustic systems  
A method of feedback suppression in closed-loop electroacoustic systems in which an electrical signal in an electrical path of the signal loop is analyzed and processed, wherein an acoustic signal...
DE112016003596T5 STOP STRUCTURE OF A ULTRASONIC VIBRATION TRANSMISSION MECHANISM  
A support structure (2) in an ultrasonic vibration welding apparatus, which welds workpieces to the workpieces by applying ultrasonic waves, holds an ultrasonic vibration transmitter (sonotrode)...
DE102010055628B4 Electro-acoustic resonator  
An electroacoustic resonator (10) having two electrodes (11, 12) each having a collecting electrode portion (21, 22) and a plurality of electrode fingers (1, 2), - Wherein the electrode fingers...
DE112012002565B4 circuit module  
A circuit module having the following features: a mounting substrate (2) provided with a plurality of signal electrodes (21, 22, 23), a ground electrode (24) disposed between the signal electrodes...
DE112010004178B4 Piezoelectric component and method for producing a piezoelectric component  
A piezoelectric device comprising a piezoelectric thin film (10) on which a drive electrode (50U) is formed, and a support member (40) disposed on a major surface side of the piezoelectric thin...
DE102018104118A1 Multiplexer, transmitter and receiver  
A multiplexer includes filters, a common terminal through which an inductance element is connected to a connection path of the common terminal and an antenna element and a capacitance element is...
DE102017107391B3 Method for producing a resonator structure and resonator structure  
Methods for producing resonator structures and corresponding resonator structures are described. A first wafer including a first piezoelectric material (40) is singulated and bonded to a second...
DE102017105432B3 Resonator and method for providing a resonator  
A resonator is described which includes a piezoelectric material (10) having first and second electrodes (11, 12) provided on the piezoelectric material (10). An acoustic metamaterial (14) at...
DE102016125877B4 BAW resonator and resonator arrangement  
A BAW resonator (1) comprises a piezoelectric layer (2) disposed between an upper electrode (4) and a lower electrode (3), and a dielectric disposed between the lower electrode (3) and an...
DE102010030917B4 Electromagnetic interference filter for automotive electrical systems  
A filter (10, 46) for an electrical system (118) of an automobile (110), the filter (10, 46) comprising: a substrate (12) having first and second conductive members; first and second input...