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DE102018009167A1 DEVICE AND METHOD FOR OPERATING AN IMPENDANT VARIABLE LOAD ON THE PLANAR TRANSFORMER IN HIGH FREQUENCY OPERATION I  
The invention relates to a method for operating an impedance-variable load on a device, consisting of a planar transformer, consisting of at least one primary and one secondary side, which can be...
DE102018009166A1 DEVICE AND METHOD FOR OPERATING AN IMPEDANCE VARIABLE LOAD ON THE PLANAR TRANSFORMER IN HIGH FREQUENCY OPERATION II  
This invention relates to a method for operating an impedance variable load on a device consisting of a planar transformer, consisting of at least one primary and one secondary side, which can be...
DE102014102641B4 Integrated receive filter with adapted balun  
A transceiver switch (130) comprising: a transmission filter (131) which is set up to filter a transmission signal from a transceiver (110), and an integrated reception filter (310), which is set...
DE102018121942B3 Ion trap, method for regulating the ion trap and uses to drive an ion trap  
The present invention relates to an ion trap (1) and an associated method for calibrating an alternating voltage field of an ion trap. The ion trap (1) comprises at least two electrodes (10, 12,...
DE102019117510A1 Filters for an inductive transmission system and method for setting a filter characteristic of a filter  
The invention relates to a filter (200 ') for an inductive transmission system (100') with a variable coupling factor (k), comprising an input connection (206) for connecting a current source, an...
DE102018127093B3 Method and device for determining faults caused by PLC modems  
Process comprising: - Determining a representative for a measure of interference in a frequency range of a DSL signal based at least on at least one first representative, which represents a...
DE102013102213B4 Miniaturized device with thin-film cover and method of manufacture  
Encapsulated device (VB), comprising - a carrier substrate (SU), a functional structure (FS) on the front side of the carrier substrate (SU), - a thin film cover (DSA) over the functional...
DE102012213892B4 Bulk acoustic wave resonator having a bridge formed within a piezoelectric layer  
Featuring a bulk acoustic wave, BAW, resonator structure (100) a first electrode (107) which is arranged over a substrate (105), a piezoelectric layer (108) which is arranged over the first...
DE102005027715B4 Electroacoustic resonator, filter, duplexer and method for determining parameters of a resonator  
Electroacoustic resonator with a resonator footprint, the resonator footprint being set so that the critical input signal power PIIPn at the intercept point IPn nth order is at least 90 dBm for n...
DE102018114861A1 Active filter for filtering common mode interference  
The invention relates to an active filter (1) for suppressing common mode interference in a two-pole transmission line (3) for differential signals, the active filter (1) being electrically...
DE102011012811B4 Electronically controlled high-frequency phase shifter with analog adjustable phase  
A high-frequency phase shifter (1) for changing the phase between its high-frequency input signal and its output signal by the transmission phase Φ, consisting of a two-port (2) which is...
DE102019208602A1 Frequency control of a disturbing shear wave horizontal mode by adding a high-speed layer in a lithium niobate filter  
An electronic device includes: a first surface acoustic wave (SAW) resonator and a second SAW resonator, each comprising nested interdigital transducer (IDT) electrodes, the first and second SAW...
DE102018209740A1 Electrical filter device for filtering a common mode interference between a current source and a load  
The invention relates to an electrical filter device (1) for filtering a common mode interference between a current source and a load, comprising a signal input (E), which comprises at least a...
DE102014108135B4 Balun with four LC elements and push-pull amplifier circuit with balun  
A balun (300A, 300B), comprising: an unbalanced port (310) designed to apply an unbalanced signal, a first capacitor (311) connected between the unbalanced port (310) and an internal node (315),...
DE102019208328A1 ACOUSTIC WAVING DEVICE WITH SPINEL LAYER  
An acoustic wave device including a spinel layer, a piezoelectric layer, and an interdigital transducer electrode on the piezoelectric layer is disclosed. The piezoelectric layer is disposed...
DE102018113826A1 Device for improving the electromagnetic compatibility  
The invention relates to a device (30) for improving the electromagnetic compatibility (EMC) on an electronic component (10), comprising a coil (40) comprising a winding (41). The device (30) is...
DE102018113624A1 An electroacoustic resonator and RF filter comprising an electroacoustic resonator  
An electroacoustic resonator which enables a high bandwidth RF filter is provided. The resonator comprises a piezoelectric material and an electrode structure on the piezoelectric material. The...
DE102018108611B4 Housing for electrical device and method for manufacturing the housing  
A housing for an electrical device is proposed, based on a substrate, which comprises at least one piezoelectric layer. Device structures are enclosed in a cavity of an integrally formed housing...
DE102019206251A1 Acoustic filter with boundary conditions defined by packaging and method of making same  
A BAW resonator / filter is provided with a monolithic TFE package that defines an acoustic BC and suppresses resonances from the low Q piezoelectric region of the resonator and the resulting...
DE102018117520B3 RF filter device  
An RF filter device is provided which provides small spatial dimensions and good electrical performance. The filter device comprises a resonator structure and a further electrical circuit. An...
DE102018112847A1 Multiplexer circuit with improved isolation and multiplexer device  
A multiplexer circuit with improved isolation is provided. The multiplexer circuit comprises a first port, a second port and a common port. Furthermore, the multiplexer circuit comprises a first,...
DE102018112839A1 High frequency filter  
A high frequency filter comprises a series path comprising a plurality of series resonators (110, 121, 122, 131, 132) between one antenna port (ANT) and another port (RX). At least one parallel...
DE102018107602B4 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...
DE102018107489B4 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.
DE102018208313A1 Electric filter element and electric power converter  
Electrical filter element for filtering AC interference. The electrical filter element comprises two dielectric circuit board substrates with a magnetic core arranged between the circuit board...
DE112018000598T5 TRAP FILTER AND FILTER SWITCHING  
A trap filter (11) comprises a first inductor (L1), a second inductor (L2) and a capacitor (C1). A first end (N1) of the first inductor (L1) leads to a first connection portion (T1); a third end...
DE102016123381B4 System and method for a beamformer  
Beamforming circuit comprising: a radio frequency or RF front end; and a plurality of beamforming delay circuits coupled to the RF front end, each of the plurality of beamforming delay circuits...
DE102018111428A1 RF multiplexer  
A radio frequency multiplexer (210, 220, 230) includes transmit and receive circuits, each including an RF filter circuit (211, 212, 221, 227, 231, ..., 234). The transmit and receive circuits are...
DE102018111013A1 SAW device for ultra-high frequencies  
There is proposed a stacked functional layer type SAW device disposed on a carrier substrate selected to provide a high acoustic velocity. The stack further includes a thin TCF compensation layer,...
DE112018000012B4 Connected bodies and acoustic wave devices  
Connected body, comprising: a support body comprising a polycrystalline ceramic material or a single crystal material; a piezoelectric single crystal substrate; and a bonding layer provided...
DE102018206893A1 Device for providing a phase shift for a phase array  
The invention relates to a device for providing a phase shift for a phase array or the like, comprising a plurality of phase shifters, each having an input and at least two outputs, wherein at the...
DE102018201580B4 CIRCUIT  
Circuit arrangement (10, 10 ', 10 ", 10"') for feeding an antenna structure with the following features: a first input (10e1) for LHCP signals, a second input (10e2) for RHCP signals; four antenna...
DE102017118933B4 Duplexer, duplexer device, quadplexer and quadplexer device  
Duplexer (DPX) for carrier aggregation, comprising: an input port (IN), an output port (OUT) and a common port (CP), a transmission filter (TXF) between the input port (IN) and the common port...
DE112014006010B4 High frequency filter  
A high frequency filter (10) comprising: a frequency variable filter (20) including a variable filter resonator (211) and a reactance varying unit (214, 215) capable of adjusting a pass band...
DE102019205590A1 SAW COMPONENT MANUFACTURING METHOD  
A SAW device manufacturing method includes a piezoelectric ceramic substrate polishing step of polishing a first surface of the piezoelectric ceramic substrate, a substrate substrate polishing...
DE102019204755A1 ACOUSTIC WAVING DEVICE WITH MULTILAYER PIEZOELECTRIC SUBSTRATE  
Aspects of this disclosure relate to an acoustic wave device that includes high speed layers on opposite sides of a piezoelectric layer. Between the piezoelectric layer and one of the high-speed...
DE102018207825B3 Acoustic wave resonator and electronic filter circuit  
The invention relates to an acoustic wave resonator (1) comprising a base body (10) which contains or consists of a piezoelectric material and at least one electrode (2) which is arranged on the...
DE102018206291A1 EMC filters  
An EMC filter (1) comprising a plurality of filter components, comprising at least one common mode choke (10), a DC link capacitor (21), a Y capacitor (20), and an X capacitor (40), the EMC filter...
DE102018109844A1 Electro-acoustic resonator  
An electroacoustic resonator such as a surface acoustic wave resonator includes a piezoelectric substrate (310) and an electrode structure (121, 112) disposed thereon. The electrode structure...
DE102018109833A1 SAW resonator, RF filter, multiplexer and method of making a SAW resonator  
A SAW resonator is provided which offers the possibility of adjusting the bandwidth of a bandpass filter or a bandstop filter. The SAW resonator comprises a piezoelectric material, an electrode...
DE102018109346A1 Electroacoustic resonator, RF filter with increased usable bandwidth, and method of making an electroacoustic resonator  
There is provided an electro-acoustic resonator which allows RF filters in which transversal modes are suppressed in a wider frequency range, and corresponding RF filters and methods. The...
DE102016111827B4 Multiferroic antenna with surface acoustic wave  
Multiferroic antenna element comprising: a resonator unit including a magnetoelastic resonator that transforms an electromagnetic wave into mechanical vibrations corresponding to the frequency of...
DE102015116224B4 SAW filter with additional pole  
SAW filters, - full a serial branch (SZ) connected between the filter inlet and outlet, in which series resonators (S) are arranged, and - Parallel branches parallel to the series branch against a...
DE102019205102A1 FILTERS WITH TWO TYPES OF ACOUSTIC WAVE RESONATORS  
An acoustic wave device is disclosed. The acoustic wave device may include a transmit filter including bulk acoustic wave resonators and a series-wave acoustic resonant acoustic resonator coupled...
DE102018118701B3 BAW resonator with improved connection of the upper electrode  
A BAW resonator includes a lower electrode, a piezoelectric layer, and an upper electrode. A connection of the upper electrode is arranged in a plane above the upper electrode. For this purpose, a...
DE102018108961A1 TF-SAW resonator with improved quality factor, RF filter and method for producing a TF-SAW resonator  
A TF SAW resonator with improved quality factor is created. The piezoelectric material of the resonator is in the form of a thin film and has an electrode structure disposed on the piezoelectric...
DE102018108732A1 Thin film SAW converter with improved characteristics, electro-acoustic filter and RF filter  
A TF SAW converter with improved characteristics is provided. The transducer has a carrier, a piezoelectric layer, and interdigitated electrode structures to excite a major mode. In the presence...
DE102018108611A1 Housing for electrical device and method for manufacturing the housing  
A housing for an electrical device is proposed based on a substrate comprising at least one piezoelectric layer. Device structures are enclosed in a cavity of an integrally formed housing layer...
DE102018108605A1 SAW resonator with improved power and heat resistance and SAW resonator comprising RF filter  
An improved SAW resonator having improved power resistance and heat resistance and protection for preventing device failure is provided. The SAW resonator has a carrier substrate and an electrode...
DE102017214180B4 Continuously digitally adjustable phase actuator  
A phase actuator for a continuously variable phase shift at a first frequency, the phase actuator (100) comprising: a signal input (101), a signal output (102), a reference ground (103), a first...