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Patent # Description
2018/0123565 ELASTIC WAVE FILTER, MULTIPLEXER, DUPLEXER, HIGH-FREQUENCY FRONT END CIRCUIT, AND COMMUNICATION DEVICE
A transmission filter includes five series resonators that include functional electrodes provided on a piezoelectric substrate, and connected in series with...
2018/0123564 CASCADED RESONATOR
In a resonator, two interdigital transducers (W1,W2) are electrically series-connected and arranged next to each other in the longitudinal direction within an...
2018/0123563 Method, System, and Apparatus for Resonator Circuits and Modulating Resonators
Embodiments of resonator circuits and modulating resonators and are described generally herein. One or more acoustic wave resonators may be coupled in series...
2018/0123562 TUNABLE BULK ACOUSTIC RESONATOR DEVICE WITH IMPROVED INSERTION LOSS
A tunable BAW filter device operating in an allocated channel of a predetermined frequency band includes a voltage source and multiple BAW resonators. The...
2018/0123561 FILTER
A filter includes a multilayer structure comprising films configured as bulk acoustic-wave resonators; and a cap member formed of glass or polymer,...
2018/0123559 PIEZOELECTRIC DEVICE
A piezoelectric device is provided and includes: a piezoelectric vibrating piece, having an outer shape in rectangular shape and including an excitation...
2018/0123558 BULK ACOUSTIC WAVE RESONATOR
A bulk acoustic wave (BAW) resonator includes: an acoustic reflector disposed in a substrate; a lower electrode disposed over the acoustic reflector; a...
2018/0123557 FILTER INCLUDING BULK ACOUSTIC WAVE RESONATOR
A filter includes a multilayer structure comprising films and forming bulk acoustic wave resonators, a cap accommodating the bulk acoustic wave resonators and...
2018/0123556 MULTIPLEXER, HIGH-FREQUENCY FRONT END CIRCUIT, AND COMMUNICATION APPARATUS
A multiplexer is provided on a mounting substrate and includes a duplexer with first and second bandpass filters, and at least one bandpass filter other than...
2018/0123555 FILTER INCLUDING BULK ACOUSTIC WAVE RESONATOR
A filter includes: a series resonator group; and a shunt resonator group disposed between the series resonator group and a ground, wherein either one or both...
2018/0123554 BULK ACOUSTIC WAVE RESONATOR AND METHOD FOR MANUFACTURING THE SAME
A bulk acoustic wave resonator includes a substrate protective layer disposed on a top surface of a substrate, a cavity defined by a membrane layer and the...
2018/0123553 FILTER INCLUDING BULK ACOUSTIC WAVE RESONATOR
A filter includes a multilayer structure having films configured as bulk acoustic wave resonators; a wiring line connected to the bulk acoustic wave...
2018/0123552 FILTER ARRANGEMENT WITH COMPENSATION OF POOR ELECTRICAL GROUND
In a filter arrangement comprising a frequency filter (F) that has a bad or non-ideal ground connection (GC1, 2, 3, 4, 5, 6, 7), the defects arising from bad...
2018/0123550 BALUN STRUCTURE
A balun structure is provided. The balun structure includes a substrate, a first coil structure and a second coil structure having a spiral shape and on the...
2018/0123549 RADIO-FREQUENCY MODULE
A radio-frequency module utilizing carrier aggregation includes a switch circuit that includes one input terminal and three or more output terminals and that...
2018/0123548 SIGNAL CHANNEL FOR REDUCING CROSSTALK NOISE, MODULE SUBSTRATE AND MEMORY MODULE INCLUDING THE SAME
A signal channel includes at least one first signal line positioned in a first signal layer and at least one second signal line positioned in a second signal...
2018/0123547 FILTER DEVICE, MULTIPLEXER, RADIO-FREQUENCY FRONT END CIRCUIT, AND COMMUNICATION DEVICE
A filter includes two series arm resonators electrically connected in series between two input/output terminals, a parallel arm resonator electrically...
2018/0123544 GENERATING SQUEEZED STATES OF THE MICROWAVE FIELD IN A SUPERCONDUCTING LEFT-HANDED TRANSMISSION LINE RESONATOR
A technique relates to a superconducting microwave device. A left-handed resonator include at least one unit cell. A non-linear dispersive medium is connected...
2018/0123542 STRUCTURE AND METHOD OF MANUFACTURE FOR ACOUSTIC RESONATOR OR FILTER DEVICES USING IMPROVED FABRICATION...
A method of manufacture for an acoustic resonator or filter device. In an example, the present method can include forming metal electrodes with different...
2018/0123541 STRUCTURE AND METHOD OF MANUFACTURE FOR ACOUSTIC RESONATOR OR FILTER DEVICES USING IMPROVED FABRICATION...
A method of manufacture for an acoustic resonator or filter device. In an example, the present method can include forming metal electrodes with different...
2018/0123540 STRUCTURE AND METHOD OF MANUFACTURE FOR ACOUSTIC RESONATOR OR FILTER DEVICES USING IMPROVED FABRICATION...
A method of manufacture for an acoustic resonator or filter device. In an example, the present method can include forming metal electrodes with different...
2018/0123539 MULTI-MODE MULTI-FREQUENCY POWER AMPLIFIER
A multi-mode multi-band power amplifier includes a controller, a wide-band amplifier channel and a fundamental impedance transformer. The controller receives...
2018/0123538 SOURCE FOLLOWER BASED ENVELOPE TRACKING FOR POWER AMPLIFIER BIASING
A power amplifier bias circuit with embedded envelope detection includes a bias circuit stage coupled to an envelope detector circuit to increases a bias...
2018/0123537 DIGITAL SYNTHESIZER, COMMUNICATION UNIT AND METHOD THEREFOR
A digital synthesizer is described that comprises: a ramp generator configured to generate a signal of frequency control words, FCW, that describes a desired...
2018/0123532 DIFFERENTIAL SOURCE FOLLOWER DRIVEN POWER AMPLIFIER
A power amplification device includes a power amplifier core stage and a power amplifier driver stage. The power amplifier driver stage receives a radio...
2018/0123530 AMPLIFIERS
This application relates to audio amplifier circuitry (100). An amplifier module (103) is located in a signal path between an input (101) and an output (102)....
2018/0123528 ENVELOPE TRACKING CURRENT BIAS CIRCUIT AND POWER AMPLIFIER APPARATUS
An envelope tracking current bias circuit of a power amplifier circuit including a power amplifier includes a first current source circuit configured to...
2018/0123526 HIGH-FREQUENCY AMPLIFIER APPARATUSES
High-frequency amplifier apparatuses suitable for producing output powers of at least 1 kW at frequencies of at least 2 MHz for plasma excitation are...
2018/0123519 ADAPTIVE TRACKING RAIL AUDIO AMPLIFIER
For use in professional audio amplifier applications, high current charge pump circuits including charge circuits and dynamic release circuits are connected...
2018/0123517 LOW IMPEDANCE ADAPTIVE BIAS SCHEME FOR POWER AMPLIFIER
An adaptive bias circuit for a power amplifier may include a terminal node coupled to the power amplifier. The adaptive bias circuit may also include a low...
2018/0123516 SUPPLY MODULATOR AND COMMUNICATION DEVICE INCLUDING THE SAME
A supply modulator includes: a voltage generator including output terminals respectively outputting voltages having different levels, and configured to select,...
2018/0123515 MIXER OF A NEAR FIELD COMMUNICATION (NFC) RECEIVER DEVICE SUPPORTING SINGLE-ENDED AND DIFFERENTIAL INPUTS
Embodiments of a mixer of a Near field communication (NFC) receiver device and a method for operating a mixer of an NFC receiver device are disclosed. In an...
2018/0123513 OSCILLATOR CIRCUIT WITH TEMPERATURE COMPENSATION FUNCTION
Differing from conventional oscillator circuit does not include temperature compensation function, the present invention particularly constitutes a gain stage,...
2018/0123512 OSCILLATOR
To reduce interference between wiring patterns at an oscillator that outputs a plurality of oscillation signals. An oscillator includes an IC configured to...
2018/0123505 SYSTEM FOR ATTACHING A PANEL TO A GIRDER, AND SUPPORTING STRUCTURE INCLUDING THE SYSTEM
Some embodiments relate to an attachment system for attaching at least one panel to a supporting structure that includes at least one girder extending in a...
2018/0123504 BUILDING INTEGRATED PHOTOVOLTAIC SYSTEM WITH GLASS PHOTOVOLTAIC TILES
Building integrated photovoltaic (BIPV) systems provide for solar panel arrays with improved aesthetics and efficiency that can replace a conventional roof...
2018/0123503 PHOTOVOLTAIC SYSTEMS
This invention relates to a roofing panel for interconnection with one or more additional roofing panels. The roofing panel comprises a PV cell coupled to an...
2018/0123499 METHOD TO REDUCE ELECTROMAGNETIC INTERFERENCE IN SWITCHING CIRCUIT APPLICATIONS
A method for providing electromagnetic compatibility to a motor control circuit is provided. A base pulse width modulated signal is selected to apply to a...
2018/0123498 MOTOR DRIVE DEVICE INCLUDING SHARED CONVERTER
A motor drive device includes: a converter which converts AC power of an AC power source side to DC power and outputs the same to a DC link; a DC link...
2018/0123497 METHOD FOR EMULATING A THREE-PHASE ELECTRIC MOTOR USING A LOAD EMULATOR, AND A CORRESPONDING LOAD EMULATOR
A method for emulating a three-phase electric motor using a load emulator, wherein the load emulator is connected in a three-phase manner via its load...
2018/0123496 MODULAR EXTRA LOW VOLTAGE ELECTRIC VEHICLE POWER SYSTEM
In some aspects, an electric vehicle power system may comprise two or more electrically connected power modules connected to a system communication bus. Each...
2018/0123493 MOTOR CONTROL DEVICE
A motor control device having a motor temperature sensor for detecting a magnet temperature of the motor, a magnet magnetic flux calculation section that...
2018/0123491 LOAD DRIVE CURRENT CONTROL METHOD AND SYSTEM
The present disclosure relates to a battery load drive system, and more particularly, to a battery load drive system for preparing for a surge current...
2018/0123490 THREE-PHASE BRUSHLESS MOTOR STATE IDENTIFICATION
A method for determining the state of a brushless motor having first, second and third phases, in some embodiments, comprises: decoupling said motor from a...
2018/0123489 CONTROL CHIP, CONTROL SYSTEM, AND CONTROL METHOD FOR MOTORS
A control chip, a control system, and a control method for a motor are disclosed. The control chip comprises: an analog comparator comprising a first input...
2018/0123487 MOTOR DRIVE DEVICE AND REFRIGERATOR EMPLOYING SAME
Motor drive device (30) includes brushless DC motor (5) that drives a load and speed controller (8) that decides a PWM ON ratio for performing PWM control on...
2018/0123483 DRIVING DEVICE, PIEZOELECTRIC MOTOR, ROBOT, ELECTRONIC-COMPONENT CONVEYING DEVICE, AND PRINTER
A driving device includes a plurality of vibrating bodies including transmitting sections configured to transmit vibration to a driven section and a control...
2018/0123481 ELECTRICAL APPARATUS AND A METHOD FOR FABRICATING AN ELECTRICAL APPARATUS
An electrical apparatus includes an electrical signal generation structure arranged to generate an electrical signal in response to a change of an external...
2018/0123480 ENHANCED FLYBACK CONVERTER
A DC/DC flyback converter that exhibits reduced switch and transformer voltage stresses in comparison to known flyback converters. The flyback converter also...
2018/0123476 REDUCED ELECTROMAGNETIC INTERFERENCE POWER MODULE SYSTEMS AND METHODS
A power module includes an input bus, a switching device, and an output bus. The input bus includes a first coating of a high permeability magnetic conductive...
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