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DE102017121926A1 Method and device for controlling an acousto-optical element  
The present invention relates to a method and apparatus for driving an acousto-optic element (106) comprising an acousto-optic crystal (107) and a piezoelectric transducer (105) for displacing the...
DE102017121221A1 SAW resonator and this comprehensive filter  
A SAW resonator includes two reflectors and a transducer disposed between the reflectors. A resonant space between the transducer and a respective reflector is set large enough to allow the...
DE112017003190T5 Device for elastic waves  
In order to provide an elastic wave filter device with which increased steepness in the filter characteristics and less loss in the pass band can be achieved while suppressing transversal mode...
DE102017120304A1 Electroacoustic resonator with increased power stability and improved linearity, RF filters and multiplexers  
There is provided an electroacoustic resonator having increased power resistance and improved linearity. The resonator has two sets of interdigital structures. Both sets are electrically connected...
DE102013221030B4 VOLUME ACOUSTIC WAVES (BAW) RESONATOR DEVICE CONSTITUTING AN ACOUSTIC REFLECTOR AND A BRIDGE  
A Volume Acoustic Wave, BAW, Resonator Device (300A), comprising: an acoustic reflector (120) formed over a substrate (105), the acoustic reflector (120) having a plurality of acoustic impedance...
DE102017127713B3 Electroacoustic filter with reduced acoustic coupling, method for reducing the acoustic coupling and multiplexer  
There is provided an electro-acoustic filter with a reduced acoustic coupling. The filter comprises two electroacoustic resonators. Two opposite sides of the electroacoustic resonators are aligned...
DE102017008001A1 High-frequency impedance matching network, its use as well as a method of high-frequency impedance - matching  
The high frequency impedance matching network comprising an input port and an output port, the input port being formed as an input to a signal of a high frequency generator G, the output port as...
DE112018000052T5 Wireless power transmission device for a seat  
One disclosure of the present description relates to providing a wireless power transmission device for wirelessly transmitting power to electronic equipment that is coupled to a seat, regardless...
DE112012005483B4 Branching circuit and RF circuit module  
A branch circuit (10, 10B) comprising: a first filter (11) connected between a first input / output terminal (Ptx) and a third input / output terminal (Pant) and having a pass band corresponding...
DE102017214180A1 Continuously digitally adjustable phase actuator  
The invention relates to a phase actuator for a continuously adjustable phase shift at a first frequency. The phase actuator includes a first inductor with tap, a first continuously variable...
DE102017118933A1 Duplexer, duplexer device, quadplexer and quadplexer device  
A duplexer topology with improved electrical properties that is compatible with carrier aggregation modes is provided. The duplexer includes a transmit filter between an input port and a common...
DE102017118932A1 Quadplexer and quadplexer device  
A quadplexer is provided that provides improved insertion loss and improved passband slope. The quadplexer includes a first filter structure having a first filter element, a second filter...
DE102014118897B4 Converter for SAW with suppressed mode conversion  
Transducer for SAW or PSAW acoustic waves, - Built on a leaky-wave substrate having a favorable for the production of SAW crystal cut - With two arranged on the substrate electrode combs, each...
DE102010021164B4 Balanced / Unbalanced working SAW filter  
SAW filters, - which has a symmetrical and an asymmetrical gate (P2, P1), with a first strain gauge track (SP1), in which two input transducers (W12, W15) are arranged and connected to the...
DE102012107873B4 duplexer  
Duplexer (DU), comprising a component with a first carrier substrate (SU1), a further substrate (SU3) and a sandwich structure with two substrates (SU1, SU2), an antenna connection (ANT), a...
DE102018212493A1 METHOD FOR PRODUCING A SUBSTRATE FOR AN ACOUSTIC WAVE COMPONENT  
A method of manufacturing a substrate for an acoustic wave device includes: a bonding step for a substrate for bonding a piezoelectric material layer having a surface to a side of the support...
DE102017213543A1 Filter arrangement, voltage converter with a filter arrangement  
Disclosed is a filter assembly (FA, FA ') for reducing spurious electromagnetic radiation from two conductors (HV +, HV-) for passing a current (I), comprising: a common mode choke (GD, GD ')...
DE102017213503B4 Radio frequency system and portable device method  
Radio Frequency (RF) system comprising: a die (301) of an integrated rf circuit (integrated circuit, ic), the RFIC die (301) comprising: a first transmission circuit (TX1); a second transmission...
DE102017117869A1 BAW resonator with reduced losses, RF filter with a BAW resonator and method for producing a BAW resonator  
A BAW resonator with reduced losses, an RF filter with a BAW resonator and a method for producing a BAW resonator are provided. The BAW resonator has a bottom electrode layer, a top electrode...
DE102017117755A1 Bandpass filter and filter circuit with it  
A bandpass filter comprises a series circuit comprising a first parallel resonator (RP), a series capacitor (CS) and at least one fundamental resonator section (BS). Each fundamental resonator...
DE102017117512A1 Method for producing a device for determining a density of a medium  
A method of manufacturing a device for determining a density of a medium, comprising at least the following steps: - Providing a quartz oscillator (S100) for generating an electrical oscillation...
DE112008003218B4 Piezoelectric vibration component  
Piezoelectric vibration component (1), which comprises: a casing (2) having a fluid-tight sealed space; a piezoelectric vibrating element (10) accommodated in the fluid-tight sealed space of the...
DE102017129160B3 Electro-acoustic resonator component and method for its production  
An electroacoustic resonator device comprises a substrate (100), lower and upper electrodes (121, 122), and a piezoelectric layer (130) disposed therebetween. A Bragg mirror element (110) is...
DE102012204737B4 Wireless multiband communication device with multiplexer and method for multiplexing wireless multiband signals  
A device comprising: one or more recipients; one or more transmit amplifiers; a first multiplexer (600-1) having a common terminal (610), a plurality of transmitting terminals (620-i) connected to...
DE102010011649B4 Front-end circuit for a mobile communication device with improved impedance matching  
Front-end circuit (FES) for a mobile communication device, comprising an antenna (A), an antenna connector (AA) connected to the antenna (A), a crossover network (FW) connected to the antenna...
DE112017002262T5 Designing FIR filters with global minimax optimal magnitude response  
Embodiments of the present disclosure provide mechanisms that enable a design of an FIR filter having a guaranteed global optimal magnitude response with respect to the minimax optimality...
DE102018115598A1 Techniques for Modelable ADW Front End RC Filters  
Techniques are provided for a formable analog-to-digital converter filter to enhance transfer function peaking or frequency response problems. In one example, a front end circuit of a processing...
DE112017002164T5 Line path with noise filter  
It improves the processability in the connection of inductors. A noise filter path (A) includes a plurality of line path main bodies (11u, 11v, 11w), a plurality of insulating layers (12u, 12v,...
DE102008052222B4 Antenna duplexer with high GPS suppression  
Antenna duplexer (AD), comprising a transmission filter (SF) operating in a transmission frequency band with a transmission filter output (SFA), a receive filter (EF) operating in a receive...
DE112017002110T5 Line path with noise filter  
An improvement in the reliability of a noise reduction function is achieved. A noise filter path (A) includes a plurality of covered electric conductors (13u, 13v, and 13w) formed by covering a...
DE102017223764A1 Active filter for the reduction of common-mode noise pulses on the high-voltage cables  
The invention relates to an active filter (1) for reducing common-mode interference pulses on high-voltage lines (HV +, HV-), in particular on high-voltage lines (HV +, HV-) of electric vehicles,...
DE112016006457T5 Adaptive tuning network for combinable filters  
A flexible multi-path radio frequency (RF) adaptive tuning network switch architecture that counteracts impedance mismatching states that arise from various combinations of coupled RF bandpass...
DE102017117870B3 BAW resonator with reduced spurious modes and increased quality factor  
An electrically and acoustically improved resonator is provided. The resonator has a center region and a termination region surrounding the center region. A trench in a top electrode, a frame on...
DE102010056572B4 Electronic component and method for producing the electronic component  
Electronic component comprising a layer sequence, at least a first electrode (10), a second electrode (20), and an active region (30) electrically coupled to the first electrode (10) and the...
DE112017001801T5 Impedance matching of multiple coils in an electronic device  
A technique is described for impedance matching with a reconfigurable coil arrangement of a plurality of transmitter coils of an electronic device. An electronic device includes a wireless...
DE112017001797T5 In-vehicle power conversion device  
This in-vehicle power conversion apparatus is provided with: a power conversion circuit to which a DC power is input; and a noise reduction unit configured to reduce common mode noise and normal...
DE112017001553T5 Bonded body and elastic wave element  
It is an object to improve the bonding strength of the piezoelectric single crystal substrate and the bonding layer and to prevent separation of the bonding layer and the support body in providing...
DE112012002389B4 Filter device for elastic waves  
Filter element (1) for elastic waves, comprising: an antenna connection (11), a first and a second terminal (13a, 13b) for a balanced signal, and a reception filter section (15) connected between...
DE102014105949B4 Lateral coupled resonator filter with apodized shape  
A laterally coupled resonator filter device comprising: a bottom electrode (650) or a bottom plane; a piezoelectric layer (240) disposed on the bottom electrode (650) or on the bottom plane; and...
DE112017001684T5 Vehicle-side electric compressor  
An on-vehicle electric compressor includes: a housing; a compression unit; an electric motor; and an inverter device. The inverter device includes: an inverter circuit that converts DC power into...
DE112017001546T5 bonding process  
A bonding layer 3 is formed over a piezoelectric material substrate, and the bonding layer 3 is made of one or more materials selected from the group consisting of silicon nitride, aluminum...
DE112017001539T5 bonding process  
An object of directly bonding a piezoelectric single crystal substrate and a support body made of a ceramic is to enable the bonding at ambient temperature and to improve the bonding strength. On...
DE112016006627T5 Ceramic substrate, laminate and SAW device  
A ceramic substrate is formed of a polycrystalline ceramic and has a main supporting surface. The main bearing surface has a roughness of 0.01 nm or more and 3.0 nm or less with respect to Sa. The...
DE102017113556B3 Filter component  
The present invention relates to a filter component (1) which has a first region (3) which is suitable for the passage of at least one conductor rail (14) and a second region (4) in which at least...
DE102016103834B4 BAW device  
BAW device with a layer sequence comprising: a first electrode layer (El), a dielectric buffer layer (BL), wherein the dielectric buffer layer (BL) consists of a layer of Sio2, Si3N4, AlN, SiC and...
DE102015108517B4 Capacitively coupled resonator device with air gap separating electrode and piezoelectric layer  
A bulk acoustic wave, BAW, bulk acoustic wave, resonator (100B), comprising: a lower electrode (110) disposed on a substrate (105) a piezoelectric layer (130) disposed over the lower electrode...
DE102015108508B4 Acoustic resonator with vertically extended acoustic cavity  
A bulk acoustic wave (BAW) resonator (300) having a vertically extended acoustic cavity (308), the BAW resonator (300) comprising: a lower electrode (310) mounted on a substrate (305) over a...
DE102015108446B4 Acoustic resonator with an electrical connection arranged in an underlying dielectric  
A device (200A, 200B, 200C) comprising: a substrate (205), a dielectric (210) disposed on the substrate (205), an acoustic resonator (285) disposed on the dielectric (210) and disposed on a...
DE102013201429B4 Temperature controlled acoustic resonator  
An acoustic resonator device (400, 500, 600), comprising: an acoustic resonator (425, 525, 625) positioned over a trench (420, 520) formed in a substrate (405, 505), a heating coil (470, 570, 670)...
DE10352642B4 Circuit with reduced insertion loss and device with the circuit  
circuit with a first signal path (1) in which a bandpass filter (BP) is realized for at least one passband, - With a second signal path (2) in which a band-stop filter (BS) is provided with a...