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DE112011102091B4 Acoustic wave ladder filter device and branching filter  
A ladder acoustic wave filter device comprising: an input end (11), an exit end (12), a row arm (13) electrically connecting the input end (11) and the output end (12), a series arm resonator...
DE102020102773A1 JITTER INSERTION SYSTEM FOR WAVE SHAPE GENERATION  
A test and measurement instrument for generating an analog waveform, comprising an interpolator configured to receive a digital signal and output interpolated samples of the digital signal at a...
DE102019102694A1 Electroacoustic component, RF filter and manufacturing process  
An electroacoustic component with an improved electrical connection is provided. The component has an elevation structure that elevates a third functional structure to the vertical plane of a...
DE102019102576A1 RF filter with planar RF coil  
An RF filter comprises a planar RF coil having a spiral conductor with a predetermined spacing (d) defined between opposing portions (134, 136) of the conductor. An operating point of the coil is...
DE102019102481A1 Electroacoustic resonator with improved performance and increased service life, HF filter and multiplexer  
An improved electroacoustic resonator with good electrical, thermal and mechanical performance and with increased service life is provided. The resonator has an electrode structure comprising...
DE102018132920B4 Electroacoustic resonator and process for its manufacture  
An electroacoustic resonator comprises an acoustic mirror (120) which is arranged on a carrier substrate (110), a lower electrode (130) and a piezoelectric layer (140). A structured silicon...
DE102018132890B4 Microacoustic device and manufacturing process  
A microacoustic device comprises a delimitation structure which is configured to prevent a propagation of acoustic waves with an operating frequency of the device in order to limit the acoustic...
DE102018132881B4 Acoustic filters with improved reflectivity  
A filter circuit comprises a main operating unit which is arranged in the series signal line and which provides a large part of the filter function of the filter circuit. A last microacoustic...
DE102018132644B4 Microacoustic housing at the wafer level and manufacturing process  
A wafer level package for microacoustic devices and a method of manufacture are provided. The housing includes a base wafer with electrical device structures. A frame structure sits on the base...
DE102019102341A1 SAW device  
A SAW device comprises a substrate which is a piezoelectric bulk material or a piezoelectric thin film arranged on a carrier. An interdigital transducer, which comprises a first metallization, is...
DE102019101888A1 Configurable micro-acoustic RF filter  
A configurable microacoustic HF filter comprises a first and a second filter section (140, 150) and at least one switch (160) in order to selectively bypass or activate the second filter section...
DE102019101312A1 Filter device for an energy network and method for operating a filter device  
A filter device for an energy network (E) contains a control unit (S) and a filter stage with a first inductive component (L1) and a first capacitive component (C12) connected in series therewith....
DE102019101311A1 Filter device for an energy network, filter network and method for operating a filter device  
A filter device for an energy network (E) contains a control unit (S) and a filter stage with an inductive component (L1), a capacitive component (C11) connected in series therewith and a control...
DE102017118878B4 Acoustic surface wave component with rotation of the vibration plane  
Acoustic surface wave component, in which on a piezoelectric substrate (1) one or more interdigital transducers (IDT), which consist of collecting electrodes and tines and which contain a...
DE102019100128A1 DEVICE AND METHOD FOR TRANSMITTING AN HF SIGNAL  
The present disclosure relates to a transmission device (10; 20; 40), comprising at least a first HF signal connection (11) for an HF signal with a first phase position, a ring coupler (12) with a...
DE102014101805B4 Acoustic resonator with integrated side feature and temperature compensation feature  
Bulk Acoustic Wave (BAW) resonator device (100, 200, 300, 400, 500, 600, 700), comprising: a lower electrode (120, 220, 320, 420, 520, 620, 720) disposed over a substrate (110) over a cavity (115)...
DE202020103539U1 Switchable reactance unit, changeable reactance, high-frequency generator and impedance matching arrangement with a switchable reactance unit  
Switchable reactance unit (100, 101) with a high-frequency connection (112) for connecting the switchable reactance unit (100) to a transmission line (114) for transmitting a signal at a frequency...
DE112016000126B4 Manufacturing process for composite substrate  
A manufacturing method for a composite substrate comprising: (a) a step of mirror-polishing a piezoelectric substrate side of a laminated substrate having a diameter of 5 x 10-2 m (2 inches) or...
DE112016000125B4 Composite substrate and thickness trend estimation method for a piezoelectric substrate  
Composite substrate, comprising: a carrier substrate with a diameter of 5 × 10-2 m (2 inches) or more; and a piezoelectric substrate with a thickness of 20 μm or less and bonded to the carrier...
DE102019134068A1 High frequency adjustment device for a tire pressure sensor  
The invention relates to a high-frequency adjustment device for a tire pressure sensor, which comprises a system control unit, a high-frequency control unit, a high-frequency adjustment unit and a...
DE102018133377A1 Piezoelectric material and piezoelectric device  
Piezoelectric nitride interconnect materials with improved properties are provided. The piezoelectric material comprises aluminum, nitrogen and binary and ternary dopants, which can be selected...
DE102018132920A1 Electroacoustic resonator and method for its production  
An electroacoustic resonator comprises an acoustic mirror (120) which is arranged on a carrier substrate (110), a lower electrode (130) and a piezoelectric layer (140). A structured silicon...
DE102018132904A1 Piezoelectric material and piezoelectric device  
Piezoelectric nitride interconnect materials with improved properties are provided. The piezoelectric material comprises aluminum, nitrogen and ternary or quaternary dopants, which can be selected...
DE102018132890A1 Microacoustic device and manufacturing method  
A microacoustic device comprises a limiting structure that is designed to prevent propagation of acoustic waves at an operating frequency of the device in order to limit the acoustic waves to the...
DE102018132881A1 Acoustic filters with improved reflectivity  
A filter circuit comprises a main operating unit, which is arranged in the series signal line and which provides a large part of the filter function of the filter circuit. A final microacoustic...
DE102018132862A1 Acoustic surface wave resonator and multiplexer that includes it  
A surface acoustic wave resonator (100) comprises a layered substrate with a carrier substrate (110) and a dielectric layer (112) with a low acoustic speed. Another dielectric layer (122) is...
DE102012202918B4 Method for controlling a controllable RF attenuator  
Method for controlling a controllable RF attenuator with two control voltages, the difference of which determines the attenuation and the common mode level of the adaptation, characterized in that...
DE112017001553B4 Connected body and elastic shaft element  
Connected body, comprising: a carrier body comprising a ceramic; a tie layer provided on a surface of the support body and comprising one or more material (s) selected from the group consisting of...
DE112017001546B4 Connection method  
A method of connecting a piezoelectric material substrate and a carrier body comprising a single crystal, the method comprising the steps: Providing a silicon oxide film on the piezoelectric...
DE112017001539B4 Connection method  
A method of connecting a carrier body comprising a ceramic and a piezoelectric single crystal substrate, the method comprising the steps: Forming a tie layer on the support body, the tie layer...
DE102018132695A1 Electronic component  
An electronic component comprises a piezoelectric substrate (1) and an interdigital capacitor (2) on the piezoelectric substrate. The interdigital capacitor comprises two electrodes (21, 22), each...
DE102018132644A1 Microacoustic package at wafer level and manufacturing process  
A wafer level package for microacoustic devices and a manufacturing method are provided. The package includes a base wafer with electrical device structures. A frame structure sits on the base...
DE102018131952A1 Electroacoustic resonator with suppressed excitation of transverse slit modes and reduced transverse modes  
An electroacoustic resonator is provided. The resonator has a gap short-circuit structure for electrically short-circuiting at least a region of the transverse gap in order to suppress excitations...
DE102018131946A1 Thin film SAW device  
A thin film SAW device comprises a carrier substrate (CA), a TCF compensation layer (CL), a piezoelectric layer (PL) and an IDT electrode (EL) on the piezoelectric layer. A functional layer (FL)...
DE102018130145B4 Electroacoustic resonator device and method for its production  
An electroacoustic resonator device comprises a resonator section (110) and a substrate (210). A layer of anisotropic conductive resin (330) is placed between the resonator section and the...
DE102018129599B4 Electroacoustic component with increased performance, manufacturing process and HF filter  
An electroacoustic component with increased performance stability is provided. The component has an electrode structure on a piezoelectric material. The electrode structure comprises a cover layer...
DE102019103490A1 Microacoustic capacitor  
A microacoustic capacitor has a piezoelectric substrate (110) and an interdigital transducer (120, 130) arranged on the substrate. The interdigital transducer has interlocking fingers (131, 121)...
DE102018220994A1 Electrical switch with improved insulation and insertion loss  
The invention relates to an AC switch arrangement (100), which has: An input (In) and an output (Out), the AC switch arrangement (100) having a first current branch between the input (In) and the...
DE102018131054A1 Microacoustic HF filter  
A microacoustic RF filter comprises a first and a second gate (101, 102). A first and a second signal path (120, 110) are coupled between the first and the second gate and comprise a corresponding...
DE202020102669U1 Bridge circuit with additional sensor  
Circuit arrangement comprising: a first connection (3a), a second connection (3b), a third connection (3c) and a fourth connection (3d); a first two-pole connection (1a, 1b) comprising a first...
DE102018220936A1 Method for checking a sensor value of a MEMS sensor  
A method for checking a sensor value of a MEMS sensor is presented. An output signal of the MEMS sensor is recorded and the sensor value is determined depending on the output signal. Furthermore,...
DE102018130570A1 Mobile radio antenna for connection to at least one mobile radio base station  
A cellular antenna (1) for connection to at least one cellular base station. The mobile radio antenna (1) comprises several radiator elements (2) and an antenna group module (4) which has at least...
DE102018130358A1 Method of manufacturing and trimming an acoustic surface resonator  
A surface acoustic wave resonator comprises a layered substrate system. During a first trimming step, a metal oxide layer is formed on the metal electrode (121, 122). During a subsequent second...
DE102019008123A1 BROADBAND POWER COMBINATION ARRANGEMENT  
A generator is provided which has a power combiner. The power combiner has a multiplicity of inputs, wherein each input can be connected to a respective power amplifier for receiving a respective...
DE102018130145A1 Electroacoustic resonator device and method for its production  
An electroacoustic resonator device comprises a resonator section (110) and a substrate (210). A layer of anisotropic conductive resin (330) is placed between the resonator section and the...
DE102018130144A1 Electroacoustic resonator and RF filter  
An electroacoustic resonator is provided which is compatible with piezoelectric thin films and provides additional degrees of freedom. The resonator comprises an IDT section with two busbars and...
DE102018130141A1 Electroacoustic resonator and RF filter  
An improved electroacoustic resonator that works well with thin film piezoelectric materials is provided. The resonator has an electrode structure with a plurality of electrode fingers and a speed...
DE102018129599A1 Electroacoustic component with increased durability, manufacturing process and RF filter  
An electroacoustic component with increased performance stability is provided. The component has an electrode structure on a piezoelectric material. The electrode structure comprises a cover layer...
DE102019217679A1 HIGHLY RESISTANT SOLDERING POINTS  
An electronic device housing has a lower surface for conducting electronic signals, a first solder pad on the lower surface having a first size, and a plurality of second solder pads on the lower...
DE102018128059A1 Electroacoustic resonator, electroacoustic RF filter and method for reducing group delay variation in an electroacoustic RF filter  
An electroacoustic resonator, which creates a reduced group delay variation for electroacoustic HF filters, and a corresponding filter are provided. The resonator has an electrode structure with...