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DE112009002137B4 Signal processing circuit  
Signal processing circuit, comprising: an IIR filter (11) and an FIR filter (12), each configured for processing a digital signal according to a filter coefficient that is set according to a...
DE102012111889B9 An electroacoustic transducer  
The present invention relates to an electroacoustic transducer (1) having a piezoelectric layer (4) which is structured such that at an applied in a spatial direction alternating electric field...
DE102014102641A1 Integrated receiver filter with modified balun  
A transmit-receive switch includes a transmission filter and a reception filter integrated, which is set up a reception signal from an antenna filtering. The integrated receiving filter includes a...
DE102014101805A1 Bulk acoustic wave resonator device e.g. thin film bulk acoustic resonator device, for ladder filter for e.g. laptops, has compensation layer including positive temperature coefficient for offsetting portion of negative coefficient  
The device e.g. thin film bulk acoustic wave resonator device (200), has a bottom electrode (220) placed on a substrate (110) over a cavity (115) or acoustic mirror. A piezoelectric layer (130) is...
DE102013202926A1 Arrangement of photovoltaic module array, has filter arrangement designed such that alternating current harmonics abutting against direct current input of inverter is suppressed and not allowed to pass toward module array  
The arrangement has an inverter (3) tapping generated direct current (DC) voltage (UDC) from a photovoltaic module array (10). A filter arrangement is connected between the inverter and the...
DE102014202674A1 Coil structure and electronic device  
A coil structure 1 includes: a plurality of core elements 2 with different frequency characteristics of impedances; and a coiled wire element 3, which is wound around the core elements of the...
DE102014000923A1 Matching network  
Described and illustrated is a matching network for matching the impedance of a load 1 to the impedance of an electrical power source 2, 3 with an inductance and a capacitance. 4 Matching networks...
DE102013101323A1 filter component  
A filter device comprises a housing body (100), a first and at least a second busbar (210, 220) each having a first end portion (211, 221) and a second end portion (212, 222), between which a...
DE102013101323B4 filter component  
A filter device comprises a housing body (100), a first and at least a second busbar (210, 220) each having a first end portion (211, 221) and a second end portion (212, 222), between which a...
DE102013002676A1 Compensated sensor system with an adjustable in sensitivity receiver as compensating element  
It describes a compensating sensor system and a method for operating this compensated sensor system consisting of at least one receiver D (sensor) and at least one control loop. The system...
DE102013002227B4 Arrangement for signal transmission and system with this arrangement  
Arrangement for signal transmission, characterized in that the signals are fed to a first attenuator (2) generated by a transmitter which feeds a first antenna, which at least partially into a...
DE102013002227A1 Arrangement, in particular plant, for signal transmission  
Arrangement, in particular plant, for signal transmission, wherein the signals generated by a transmitter are supplied to a first attenuator which feeds a first antenna, which at least partially...
DE112012004719T5 A semiconductor integrated units with single-crystal substrate, methods of manufacturing and design structure  
There are provided bulk acoustic wave filter and / or acoustic bulk resonators are combined with CMOS units, methods for making, and a design structure. The method includes forming a...
DE112012001304T5 noise filter  
A noise filter includes a first magnetic core which includes a plurality of leg portions, and a first connecting portion and a second connecting portion which connect both ends of the leg...
DE112010001533T5 SERIES RESONANT POWER CONVERTER INCLUDING A VERBUNDINDUKTORS / -KONDENSATORS  
A Verbundinduktor / condenser, the spaced apart plates of conductive material includes, formed into a spiral, wherein the plates are spaced apart by a dielectric material, wherein connections are...
DE112009003528T5 A tunable filter  
It is a tunable filter having a good frequency-temperature characteristics provided that is prepared using a Oberfl├Ąchenschallwellenresonators having an increased electromechanical coupling...
DE102013201126A1 Filters for interpolated signals  
A digital filter (1) for filtering an input signal (2) to an output (6) includes a coefficient multiplier (3) and a moving average filter (5). The coefficient multiplier (3) is configured to...
DE102013200996A1 Apparatus, system and method with a SAW chip  
It is proposed to provide a device (102), a system and a method in which a processing means is arranged such that a received signal (123) of a SAW chip (101) is evaluated. Here, it is advantageous...
DE112012004096T5 Signal separating device  
A signal separating device is a duplexer in which a reception frequency band is arranged at frequencies higher than a transmission frequency band. A series arm (10) of a branch end of the filter...
DE112012004229T5 splinter  
There is provided a splitter, with an increased number of components is avoided and which is able to extract a desired signal, while emanating from an undesired signal interference can be avoided....
DE102013200479A1 Measurement device for measuring electric power transmitted via conductor, has power detector that determines electrical power from current signal and voltage signal determined by current and voltage measuring units respectively  
The measurement device (10) has a current measuring unit (14) for determining a current signal (E1) describing a time course of electrical current (I1) in conductor (L). A voltage measuring unit...
DE102012003029A1 Phase-linear audio-frequency switches, have amplifier circuits functioned at high impedance levels through choke coils that are attached with capacitors and resistors, and speakers connected with housing  
The switches have a filtering circuit connected with a correction network, where phase-minimum branch signal is changed such that transfer function of a branch sum becomes constant. An...
DE112012001081T5 Substrate and substrate duplexer module  
Provided are a substrate that is able to improve the isolation characteristics of a high frequency side signal path and a low-frequency side pathway; a duplexer; and a substrate module. A package...
DE102013114352B4 Common mode filters  
A common-mode filter, comprising: a winding core section having a first winding area on its end side in a longitudinal direction and a second winding area on its end side in a longitudinal...
DE112012003660T5 Device for elastic waves  
It is a device for elastic waves provided that is configured to have a plurality of filters for elastic waves which are connected in parallel between an input and an output, and that is capable of...
DE102012112237A1 Electro-acoustic band-pass filter with smoothed insertion  
It is a bandpass filter BPF indicated by a smoothed insertion loss. The band pass filter operates with electro-acoustically active components. The band pass filter includes a first transducer...
DE102012108035B4 Condenser with improved linear behavior  
Capacitor comprising - a first and a second electrically conductive layer, - a first and a second in the first layer structured electrode and a third structured in the second layer electrode -...
DE102012108035A1 Condenser with improved linear behavior  
There is provided a capacitor having improved linear properties. The capacitor is compatible with fabrication processes of working with BAW devices. The capacitor comprises a first and a second...
DE102013224964A1 NFC smart antenna matching network system and the user device that includes this  
A Nahbereichkommunikations- (NFC) antenna matching network system is provided for connection with NFC. The NFC antenna matching network system includes a source coil which is connected between a...
DE102013100286B3 Broadband filter in tap technology  
Disclosed is a wide-band and steep flanks exhibiting filters in branch technology, comprising a series circuit of a first, second and third impedance elements comprising part of the filter,...
DE102012112571B3 circuitry  
The present invention relates to a circuit arrangement (1) for adapting the electroacoustic characteristics of the electro-acoustic device (8) having a first conductor loop (9) and a further...
DE102012111889B3 An electroacoustic transducer  
The present invention relates to an electroacoustic transducer (1) having a piezoelectric layer (4) which is structured such that at an applied in a spatial direction alternating electric field...
DE112012003518T5 Method and apparatus for equalizing a transmission channel for cable loss in a C8PSK HART system  
A method for adjusting a curve shape, which is transmitted from one field device to cope cable bandwidth limitations by data to be transmitted over a channel compensation device are sent, the...
DE102013006377B3 Efficient passive broadband Gyrator  
The invention relates to a gyrator for AC signals. This comprises a Hall-effect material, means for coupling an alternating current (I1; I4) In the Hall-effect material, means for enforcement of...
DE102012221408A1 Acoustic surface wave component, has amorphous layer that is in non-cohesive contact in region of aperture of transducers between layer and electrical conductive layer, where layers are made of two different elements and/or alloys  
The component has a metallization layer system comprising a layer and an electrical conductive layer made of two different elements and/or alloys. An amorphous layer i.e. barrier layer, is...
DE102012111121A1 Electroacoustic component and methods for making  
There is provided an electroacoustic component (EAC), in which the interfering contributions of unwanted wave modes are reduced. These include a component (EAC), a piezoelectric layer (PL), an...
DE102012022436A1 Symmetry transmitter i.e. balanced and unbalanced balun for converting asymmetric input signal into two symmetrical output signals, has middle intermediate node and middle node connected with two links and idling circuits  
The transmitter (100) has line sections (410-440) arranged between first and second output nodes (330, 340). A first intermediate node (110) forms a first input node (310) of a first link (300). A...
DE102012022436B4 Symmetry transformer  
A symmetry transformer includes an input, a first output and a second output. Here, the symmetry transformer to a first intermediate node, a second intermediate node and a middle intermediate...
DE112012002502T5 demultiplexer  
The invention relates to the provision of a demultiplexer, which is able to form a steep stop band within the pass band of a high-pass filter without causing a significant increase or increasing...
DE102013205805A1 Limiter for wideband RF signals  
A limiter (2) for high-frequency signals having an input (5), wherein a high frequency signal is supplied to the limiter (2) at its input (5). The limiter (2) has a plurality of limiting stages...
DE102012220247A1 The inverter circuit for an electric drive, electric vehicle with an inverter circuit and method for operating an inverter circuit  
The invention relates to an inverter circuit 2 for controlling an electric drive 3 with an improved suppression of interfering signals. By using at least two notch filters 21, 22 occurring...
DE102012110504A1 Electro-acoustic filter with low-pass characteristic  
It is stated with improved low-pass characteristic an electro-acoustic filter. The filter comprises a first electro-acoustic transducer, an electro-acoustic element and a lattice structure between...
DE112012002979T5 SAW filters having a planar barrier layer and manufacturing method  
Herein, a surface acoustic wave (SAW) filter and a method of manufacturing the same is disclosed. The SAW filter includes a piezoelectric substrate (110;3); a planar barrier layer (120) which is...
DE102013221775B4 A Bulk Acoustic Wave resonator, which has a doped piezoelectric layer having improved piezoelectric characteristics  
A Bulk Acoustic Wave (BAW) resonator (100, 300), comprising: a first electrode (107) disposed over a substrate (105); a piezoelectric layer (108) disposed over the first electrode (107), wherein...
DE102013221775A1 A Bulk Acoustic Wave resonator, which has a doped piezoelectric layer having improved piezoelectric characteristics  
A Bulk Acoustic Wave (BAW) resonator includes a first electrode disposed above a substrate, a piezoelectric layer which is disposed over the first electrode and a second electrode which is...
DE102013221449A1 An acoustic resonator with a guard ring  
A Bulk Acoustic Wave (BAW) resonator includes a first electrode disposed above a substrate, a piezoelectric layer which is disposed over the first electrode, a second electrode, which is arranged...
DE102013221030A1 Bulk acoustic wave (BAW) resonator device for cellular telephone, has bridge that is formed within acoustic impedance layers of acoustic reflector and resonator stack, and piezoelectric layer that is formed over bottom electrode  
The BAW resonator device (200B) has an acoustic reflector (120) including acoustic impedance layers (121-126) that is formed over a substrate (105). A resonator stack (110) is formed over the...
DE102012020576B4 Microwave filter with adjustable bandwidth  
A microwave filter (22) for a cavity conductor (18), the microwave filter (22) comprising: a first adjustable coupling resonator (40a) which is connected via a first coupling aperture (32b) to an...
DE102013220362A1 IMPEDANCE MATCHING NETWORK WITH IMPROVED QUALITY FACTOR AND METHOD FOR ADJUSTMENT OF IMPEDANCE  
An impedance matching network comprises a first and a second signal terminal and a reference potential terminal. The network further comprises a first shunt path between the first signal terminal...
DE102012107873A1 Duplexer for mobile communication apparatus of long term evolution system, has transmitting terminal which is connected to ports of hybrid unit and conductor structure of transmitting filter provided on support substrate  
The duplexer (DU) has an antenna which is connected with a transmitting terminal (TT), receiving terminal (RT), transmission filter (TF) and a reception filter (RF). The antenna is connected to...