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DE102019126816A1 Power-over-coax filter  
A power-over-coax filter has a first inductance and a second inductance, which is connected in series with the first inductance. A first end of the first inductor is coupled to the inner conductor...
DE102020120327A1 An acoustic resonator device  
The present disclosure provides, among other things, an acoustic resonator device. An example of the disclosed acoustic resonator device comprises a substrate with a carrier layer, a first layer...
DE102019126438A1 Compensation device for leakage currents  
A compensation device (20) for compensating leakage currents has a differential current measuring device (22), a first signal generating device (33), an amplifier (28) and a feed device (39, 41)....
DE112016003596B4 SUPPORTING STRUCTURE OF AN ULTRASONIC VIBRATION TRANSMISSION MECHANISM  
A holding structure (2) in an ultrasonic vibration welding device, which welds work pieces by applying ultrasonic waves to the work pieces, holds an ultrasonic vibration transmission device...
DE102017101261B4 Digitized rain sensor for measuring the optical reflection properties of an object possibly wetted with liquid for use in motor vehicles  
Rain sensor for measuring the optical reflection properties of an object (O) that may be wetted with liquid while determining a measured value for determining the wetting, characterized by a. a...
DE102017101260B4 Method for the optical comparison of the transmission properties of two transmission lines for use in motor vehicles  
Method for the optical measurement of the optical reflection properties of an object (O) and / or the transmission properties of a transmission path (I1, 12, 13, I4) while determining a measured...
DE102017101259B4 Optical sensor for measuring the optical reflection properties of an object and / or the transmission properties of a transmission line for use in motor vehicles  
Optical sensor for measuring the optical reflection properties of an object (O) and / or the transmission properties of a transmission path (l1, I2, I3, I4) while determining a measured value,...
DE102017101258B4 Method for the optical quantitative detection of water on the windshield of a motor vehicle  
Method for the optically quantitative detection of water on the window of a motor vehicle, the optical reflection properties of an object (O), in particular of water droplets, and / or the...
DE102017101257B4 Method for the optical measurement of the optical reflection properties of an object and / or the transmission properties of a transmission path for use in motor vehicles  
Method for the optical measurement of the optical reflection properties of an object (O) and / or the transmission properties of a transmission path (I1, I2, I3, I4) while determining a measured...
DE112017007773B4 Power supply device  
A power supply device comprising: a power supply circuit (14) equipped with a filter circuit as an input; a comparison and determination circuit (27) for determining whether an absolute value of a...
DE102019124861A1 Filter chip and SAW resonator of the first kind  
In at least one embodiment, the filter chip comprises a plurality of electrical filters (1, 2), at least one of the plurality of electrical filters being an electrical filter (1) of the first type...
DE112018007769T5 BROADBAND RECONFIGURABLE IMPEDANCE ADAPTATION NETWORK  
Embodiments relate to a transformer-based impedance matching network which can change its characteristic impedance by activating different inductance branches on a primary side and optionally on...
DE102020123134A1 Sallen-Key architecture on a source-follower basis  
Systems and methods for improving Sallen-Key architectures based on source-follower are disclosed, in particular systems and methods for preventing the non-ideal states associated with Sallen-Key...
DE112018001930B4 ELASTIC SHAFT ELEMENT AND METHOD OF MANUFACTURING IT  
An acoustic wave device (5, 5A) comprising: a substrate made of a piezoelectric material (2, 2A); an electrode (4) on the substrate made of a piezoelectric material (2, 2A); a carrier body (3);...
DE112010003654B4 Device and method for signal processing  
Apparatus (10, 25, 26, 68) comprising: - a matrix (16), - a plurality of magnetic particles (14) distributed in at least a part of the matrix, the matrix (16) being configured to enable the...
DE102019123457A1 Low pass filter  
A low-pass filter (1) is described which has a current-compensated choke (2) and a capacitor (5), the capacitor (5) being connected in parallel to the current-compensated choke (2) and connected...
DE102019123289A1 Integrated modular plug-filter assembly  
The invention relates to an integrated modular plug-filter assembly which comprises a line connection, a plug-in area and an internal volume. The plug-in area is set up in such a way that the...
DE102012108796B4 Transducer structure for a transducer probe and a method for manufacturing the same  
A composite ceramic transducer structure (10) for use in constructing an ultrasound probe (50), the structure (10) comprising: a substrate (16); and a plurality of piezoelectric transducer columns...
DE102020121458A1 SECURITY COMPLIANT RECEIVER MONITORING  
A device can comprise a receiving antenna input for coupling a receiving chain of the device to a receiving antenna. The device can comprise a test signal generator. The device may comprise a...
DE102005046452B4 Multiband circuit  
Multiband circuit - With a signal path which comprises a first signal branch (RX1, TX1) and a second signal branch (RX2, TX2), which are combined on the antenna side to form a common path (RX,...
DE102005046451B4 Circuit and component with the circuit  
circuit - with an unbalanced gate (IN) and a balanced gate (OUT), - With a first and a second transmission line (TL1, TL2), the transmission lines being arranged between the unbalanced gate (IN)...
DE102019121866A1 SAW resonator cascade  
Cascades of SAW resonators with different apertures can reduce the effects of unwanted transverse modes and other interference modes of the SAW resonator. As part of a filter circuit, cascades of...
DE102019121804A1 Ultra high frequency microacoustic device  
A microacoustic device is proposed for use in an ultra-high frequency range. The device uses a piezoelectric thin film material stacked on a support substrate. In addition, a material is embedded...
DE102019121781A1 Process for the production of an interdigital electrode structure and electrical component  
In at least one embodiment, the method for producing an interdigital electrode structure comprises the steps A) producing a first electrode (11) on a substrate (3), the first electrode comprising...
DE602005028741C5 FRONTEND TOPOLOGY FOR MULTI-BAND MULTIMODE COMMUNICATION SYSTEMS  
Apparatus (800; 802; 803; 804; 812; 813; 814) comprising: a first bandpass filter (226; 156; 346) disposed in a first signal path (220; 150) for filtering radio frequency signals in a first...
DE102020119638A1 DELAY COMPENSATION USING A BROADBAND GAIN EQUALIZER  
An electronic circuit may include a gain adjustment circuit (e.g., a gain "equalizer" circuit) to compensate for variation in insertion loss over a specified range of frequencies. Such a gain...
DE102019121349A1 Electric filter and filter system  
In at least one embodiment, the electrical filter (100) comprises an input connection (5), an output connection (6) and a first ground connection (3a). In addition, the electrical filter comprises...
DE102019121082A1 SAW filter device with improved thermal performance and process for design and manufacture  
A SAW filter device is proposed. A first and a second SAW resonator from a first and a second stack of functional layers are formed on a common die. Both stacks comprise a piezoelectric layer, a...
DE102019120942A1 Electroacoustic resonator  
An electroacoustic resonator comprises a substrate (3) with a piezoelectric material and an interdigital electrode structure on a top side (33) of the substrate. The electrode structure comprises...
DE102019120558A1 BAW resonator with reduced lateral modes  
A BAW resonator with reduced lateral modes is provided. The resonator has an active stack and at least one element of the active stack has a curved sidewall.
DE102019117735B4 Electrical circuit for transmitting an analog useful signal with a switch and a compensation circuit for compensating for signal distortions when the switch is switched off  
The invention relates to an electrical circuit (1) for transmitting an analog useful signal, which has a signal transmission path (16) with an input path (2) and an output path (3) and at least...
DE202020107244U1 High frequency module and communication device  
A high frequency module comprising: a module board having a first major surface and a second major surface on opposite sides of the module board, an antenna connector, an inductance capacitor (LC)...
DE102019120312A1 A filter device comprising two connected filter circuits  
A filter device with reduced sensitivity to manufacturing tolerances comprises a multilayer board with integrated wiring and a piezoelectric substrate mounted on the board. A first filter circuit...
DE102019120309A1 SAW filter with reduced interference modes and method for designing a SAW filter with reduced interference modes  
A SAW filter with reduced spurious modes is provided. The SAW filter includes two resonator circuits, each resonator circuit including a SAW resonator. The difference between anti-resonance...
DE102019120178A1 Electroacoustic filter component and manufacturing process  
An electroacoustic filter component with improved acoustic and / or electroacoustic performance is provided. The component comprises a piezoelectric material, the sides of which are flat and...
DE102019119767A1 Electrical device and method of making an electrical device  
In at least one embodiment, the electrical device comprises an electrical component (1) with a front side (11) and a functional area (11a) on the front side. The electrical device further...
DE102019119762A1 Electroacoustic resonator with reduced interference modes, HF filter and multiplexer  
An electroacoustic resonator with reduced interference modes comprises an interdigital transducer with two busbars and interdigitated electrode fingers and a waveguide structure in order to excite...
DE102018131959B4 Signal path linearization  
Integrated circuit (200) with on-chip signal path linearization, the integrated circuit (200) comprising: a digital-to-analog converter (206) for generating test signals; a controller (208) for...
DE202016008958U1 Power combiner for coupling high frequency signals and power combiner arrangement with such a power combiner  
Power combiner (12) for coupling high-frequency signals with a frequency of more than 1 MHz to an output power of more than 100 W, the power combiner (12) having: a) a first input (14a-d) for a...
DE102020115844A1 DEVICE, SYSTEM AND METHOD FOR REDUCING SIGNAL NOISE IN COMMUNICATIONS WITH A MEMORY MODULE  
Techniques and mechanisms for mitigating signal degradation in communications between two circuit boards. In one embodiment, a housed device enables coupling to a first printed circuit board,...
DE102019119677A1 RF reception filters, RF duplexers and RF multiplexers  
The RF reception filter (RX filter) (Rx) comprises an input port (A) for receiving a high-frequency signal from an antenna (Ant) and an output port (R) to which the filtered high-frequency signal...
DE102019119239A1 multiplexer  
At least three acoustic filter circuits FC are arranged on a single chip CH. At least two of them are already electrically connected on the chip for multiplexing. This reduces space consumption...
DE102019119177A1 Arrangement for impedance matching  
The invention, which relates to an arrangement (1) for impedance matching, is based on the object of specifying an arrangement (1) which enables an impedance of a load (6), such as an antenna, to...
DE102019119097A1 SAW resonator with reduced interference modes, electroacoustic filter and multiplexer  
A SAW resonator with reduced spurious modes is provided. The resonator comprises a carrier substrate, an electrode structure and a piezoelectric layer. The carrier substrate has a crystal...
DE102017010404B4 VIBRATION CONVERTER  
A vibration transducer that includes: a silicon substrate (130), a first oxide film (135) formed on the silicon substrate (130), an activation layer (150) formed on the first oxide film (135), a...
DE202020107287U1 A 485 interference suppression circuit for digital dimming  
A 485 interference suppression circuit for digital dimming, with IN 485 B input pin and IN 485 A input pin; the IN 485 B input pin is connected to the lower end of resistor R1, the lower end of...
DE112010002662B4 Method for manufacturing a piezoelectric component  
A method of manufacturing a piezoelectric device including a piezoelectric thin film (10) and a support member (50) supporting the piezoelectric thin film (10), comprising: an ion implantation...
DE102020116007A1 ON-CHIP HARMONIC FILTERING FOR HIGH FREQUENCY (HF) COMMUNICATIONS  
Systems and methods for on-chip harmonic filtering for radio frequency (RF) communications are disclosed. An integrated circuit filter and matching circuit includes a first capacitance coupled in...
DE102019117735A1 Electrical circuit for transmitting an analog useful signal with a switch and a compensation circuit for compensating for signal distortions when the switch is switched off  
The invention relates to an electrical circuit (1) for transmitting an analog useful signal, which has a signal transmission path (16) with an input path (2) and an output path (3) and at least...
DE102018103549B4 RF band pass filter, filter component and duplexer  
RF bandpass filter, - full - an input port (IN) and an output port (OUT), - a signal path (SP) between the input port (IN) and the output port (OUT), - A capacitance element (CE) which is...

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