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          DE102005046445B4 Bandpass filter  
          Bandpass filter with signal branches (11, 12) connected in parallel, which are connected on the input side to an input node (1) and on the output side to an output node (2), - Wherein the two...
          DE112018000464T5 COMMUNICATION RECEIVER USING MULTIBAND TRANSMITTER FILTER  
          Communication receivers and devices are disclosed. A communications receiver includes: a low noise amplifier; a multiband emitter filter having a first port connected to an output of the low noise...
          DE112015000642B4 Device for elastic waves  
          An elastic wave device (10) comprising a plurality of elastic wave resonator units formed by serially dividing an elastic wave resonator into plural stages, the elastic wave device comprising: a...
          DE102019102808A1 Current-to-voltage converter, which provides a variable bandwidth and device with the same  
          A current-voltage converter (250 ") is provided for converting a current signal (TXin, TXin +) to a voltage signal (TXv, TXv +). The current-to-voltage converter (250") may comprise: a...
          DE102018107602A1 BAW resonator, RF filter, multiplexer and method of making a BAW resonator  
          A BAW resonator with improved lateral energy confinement is provided. The resonator has a lower electrode in a lower electrode layer, an upper electrode in an upper electrode layer, and a...
          DE102018107589A1 Electroacoustic grating filter and a grating filter comprising RF filter module  
          An RF filter with increased bandwidth is provided. The filter is an electroacoustic grating filter having a diagonally crossed shunt element connected between a first port of a second port and a...
          DE102018107489A1 An improved coupling BAW resonator, RF filter comprising a BAW resonator, and methods of fabricating a BAW resonator  
          An improved BAW resonator with increased electro-acoustic coupling is provided. The resonator comprises a monocrystalline piezoelectric material between a lower electrode and an upper electrode.
          DE112017005977T5 composite  
          A piezoelectric monocrystalline substrate 6 is made of a material formed by LiAO3 (A represents at least one element selected from the group consisting of niobium and tantalum), a compound layer...
          DE112014002935B4 filter circuit  
          A filter circuit (20) connected between a battery pack circuit (10) having two or more battery cells connected in series (Bc (01), Bc (02), ...) and a voltage detection circuit (30) for supplying...
          DE102018109974B3 Electroacoustic filter, multiplexer and method of making an electroacoustic filter  
          An improved electro-acoustic filter with improved electrical and / or acoustic properties is provided. The filter has a first resonator in a first layer stack and a second resonator in a second...
          DE102018105290A1 Layer system, manufacturing method and formed on the layer system SAW device  
          A layer system, in particular for forming SAW devices thereon, is proposed, comprising a monocrystalline sapphire substrate having a first surface and a crystalline piezoelectric layer comprising...
          DE102018105091A1 RF filter, RF filter component and method of making an RF filter  
          An RF filter is provided which has improved filter characteristics and, in particular, a reduced change in filter characteristics. The RF filter has a transmission line filter stage electrically...
          DE102018101442B4 BAW resonator with increased quality factor  
          A BAW resonator includes a central region (CA), a sub-overlap region (UL) surrounding the central region, and a thickness dU having smaller than the thickness dC of the central area, and a frame...
          DE102012110504B4 Electro-acoustic filter with low-pass characteristic  
          Electro-acoustic filter comprising an acoustic track, - A arranged in the acoustic track first electro-acoustic transducer in a frequency range around a center frequency f1 is acoustically active,...
          DE102018113218B3 Wafer level package and manufacturing process  
          A wafer level package includes a functional wafer having a first surface on which device structures connected to device pads are disposed. A cap wafer having an inner and outer surface is bonded...
          DE102018104955A1 Sound wave devices with improved spurious mode suppression  
          It is proposed to couple a shunt line to the signal line of a filter circuit and to include a resonant circuit therein. The resonant circuit serves to generate a pole in the transfer curve of the...
          DE102010030454B4 Acoustic resonator structure having a bridge  
          Acoustic resonator (100) comprising: a first electrode (102); a second electrode (104); a piezoelectric layer (103) disposed between the first and second electrodes (102, 104); a reflective...
          DE112018000151T5 Acoustic filter device  
          An acoustic filter device comprises a filter chip with filter elements which are arranged in a row signal line and in parallel branches, which are each connected to a ground terminal. A carrier...
          DE102018108608B3 BAW resonator with improved power resistance and heat resistance and BAW resonator comprehensive RF filter  
          A BAW resonator having improved power resistance and improved heat resistance is provided. The resonator includes a layer stack comprising a piezoelectric material between a lower electrode and an...
          DE102018104154A1 Filter element, filter unit and filter assembly  
          A filter element (FE1) comprising a first port (P1) connectable to an antenna, a second port (P2) and a third port (P3) will be described, wherein FIG a bandpass filter (BP) is arranged between...
          DE102013202113B4 Adjustable impedance matching network  
          Adjustable impedance matching network, comprising: a first port (101); a second port (102); a reference potential terminal (103); a transmission line transformer (120) having a first inductor path...
          DE102019202308A1 Tunable notch filter  
          A tunable notch filter is disclosed with a first acoustic resonator coupled in series with a first inductive element between a filter input node and a filter output node. A first capacitor is...
          DE102019104188A1 Time-interleaved filtering in analog-to-digital converters  
          Techniques for increasing a data throughput rate of a filter circuit by precharging selectable storage circuits of the filter circuit with reference data, sampling input data at an input of the...
          DE102018208454A1 Acoustic resonator and zigzagged electrode filter and method of making the same  
          Methods are provided for designing a BAW resonator and filter and the resulting devices. Embodiments include patterning a bottom electrode of a resonator; structuring an upper electrode of the...
          DE102018202330A1 Energy harvesting architecture  
          The invention relates to an energy harvesting architecture comprising an alternating electromagnetic field interceptor unit, wherein the interceptor unit is connected to the input side (P1_Q1) of...
          DE102018103642A1 Electronic RF Filter  
          An electronic filter includes a high pass section (110) and a low pass section (120). The high pass section includes at least one filter stage of a serially connected acoustic resonator (111) and...
          DE102018103549A1 RF bandpass filter, filter component and duplexer  
          An improved RF bandpass filter is provided which allows to maintain a low design cost. The filter has one or more inductance elements, one or more capacitance elements, and a first electroacoustic...
          DE102018103438A1 Compensation filter and method for commissioning a compensation filter  
          It is a compensation filter for the attenuation of common mode noise caused by an electrical consumer specified. The compensation filter has an operational amplifier, a capacitive element, first...
          DE102018103391A1 Compensation filter and method for commissioning a compensation filter  
          A compensation filter for the attenuation of common-mode noise is specified. The compensation filter has a power line, an electrical amplifier, a decoupling circuit between the power line and an...
          DE112018000207T5 Acoustic wave devices and a method for their production  
          (Problem) The Q value of an acoustic wave device of a type in which a substrate of a piezoelectric material is directly bonded to a support body composed of a polycrystalline ceramic is to be...
          DE102012224460B4 Stable-Mounting-Volume Acoustic Wave Resonator arrangement with a bridge  
          A stable attachment volume acoustic wave resonator (100) comprising: a first electrode (102); a second electrode (104) having a first surface disposed at a first height; a piezoelectric layer...
          DE112017005984T5 Acoustic wave devices  
          An acoustic wave device is presented which has a better TCF and can improve a resonator Q value or an impedance ratio. The acoustic wave device includes a substrate (11) containing 70 mass% or...
          DE102018201694A1 Converter means  
          Converter device, in particular converter device (1) for a motor vehicle (35), which comprises a switch group (5) comprising at least one switch (32) for switching over a current, between a first...
          DE102018102832A1 Filter circuit with a notch filter  
          A filter circuit comprises in a signal line a bandpass filter allowing to pass a useful frequency band and a notch filter connected in series with the bandpass filter for filtering out a stopband...
          DE102017213543B4 Filter arrangement, voltage converter with a filter arrangement  
          Filter arrangement (FA ') for reducing electromagnetic radiation from two conductors (HV +, HV-) for passing a current (I), comprising: a common mode choke (GD ') having a choke core (DK')...
          DE102005013895B4 Electric filter  
          Electric filter with cascaded cells (10, 20) connected in series, each having a first resonator (101, 201), a first network (111, 211) for phase rotation and a first shunt element (121, 221)...
          DE102018201580A1 CIRCUIT  
          A circuit arrangement for feeding an antenna structure comprises an input for LHCP signals, an input for RHCP signals and four antenna outputs. In addition, the circuit arrangement comprises a...
          DE102018109383B3 Acoustic wave resonator and method for its production  
          A bulk acoustic wave resonator comprises a substrate (101) and a layer stack (110) having electro-acoustic properties, comprising first and second electrodes (111, 112) between which a...
          DE102018104947B3 BAW resonator with an increased quality factor  
          There is provided an SMR-type BAW resonator comprising a sandwich of a piezoelectric material between a lower electrode and an upper electrode, a substrate, and an acoustic Bragg mirror disposed...
          DE102018102014A1 Filtering circuit with improved isolation and the same containing front-end module  
          A filter circuit is provided which comprises a bandpass filter (TXF) and a notch filter element (NE). According to the invention, the filter function and the Notchfunktion are separated and...
          DE102018101442A1 BAW resonator with increased quality factor  
          A BAW resonator includes a central region (CA), a sub-overlap region (UL) surrounding the central region, and a thickness dU having smaller than the thickness dC of the central area, and a frame...
          DE102018101219A1 Adaptive RF filter and method for switching an adaptive RF filter  
          An adaptive RF filter that allows for reduced insertion loss or increased suppression level is provided. The filter has a switchable filter stage and a fixed filter stage. The switchable filter...
          DE102017121311B4 ASSEMBLY TO AVOID A PHASE ERROR  
          An assembly (10) configured to avoid a phase error, the assembly (10) including: a filter unit (14) having an input port (142), here referred to as a second input port (142), and an output port...
          DE102005013509B4 EMC filter  
          Filter for suppressing an undesirable noise component in an electric power line, comprising: - at least one electrical input; - At least one electrical output; - At least one continuously...
          DE112017005456T5 ACOUSTIC WAVE FILTER WITH TWO TYPES OF ACOUSTIC WAVE RESERATORS  
          Aspects of this disclosure relate to a multiplexer such as a duplexer, a quadplexer, a hexaplexer, or the like. The multiplexer includes acoustic wave filters coupled to a common node. A first...
          DE102018107496B3 Volumetric wave resonator device and method for its production  
          A BAW resonator device comprises lower and upper electrodes (120, 360). A piezoelectric layer (355) sandwiched therebetween has a thickness in the active resonator region that is different from...
          DE102015110064B4 Arrangement for protecting electronic assemblies  
          Arrangement for protecting electronic components, which has an input (1) for applying an input voltage, an output (2) for outputting an output voltage and capacitive and / or inductive and / or...
          DE102013200215B4 Switchable filters and design structures  
          Method, comprising Forming at least one surface acoustic wave filter (SAW filter) having a plurality of electrodes formed on a piezoelectric substrate (12), comprising: Forming a fixed electrode...
          DE102016116873B4 Small-area and low-power IIR filter structure  
          A digital filter module (202) for filtering digital samples (402, 432) of a signal received from a receiver (200), the filter comprising: a second-order shared resource filter structure (400)...
          DE102018009812A1 COUPLED T-COIL  
          The systems and methods disclosed herein provide a coupled T-coil circuit for differential clock bandwidth expansion and common mode rejection. The coupled T-coil circuit comprises a first layer...
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