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COMPENSATOR FOR REMOVING NONLINEAR DISTORTION
The present invention is a computationally-efficient compensator for removing nonlinear distortion. The compensator operates in a digital post-compensation...
Methods and Apparatuses for use in Tuning Reactance in a Circuit Device
Methods and apparatuses for use in tuning reactance are described. Open loop and closed loop control for tuning of reactances are also described. Tunable...
APPARATUS FOR ATTENUATION USING FINE TUNING FUNCTION
Provided is a digital attenuation apparatus using a fine tuning function of an attenuation value, which includes: a plurality of digital attenuators connected...
CO-INTEGRATED BULK ACOUSTIC WAVE RESONATORS
An electrical circuit assembly can include a semiconductor integrated circuit, such as fabricated including CMOS devices. A first lateral-mode resonator can be...
Acoustic RF resonator parallel capacitance compensation
RF circuitry, which includes a first acoustic RF resonator (ARFR), a first compensating ARFR, and a second compensating ARFR, is disclosed. The first...
SPLIT CURRENT BULK ACOUSTIC WAVE (BAW) RESONATORS
An acoustic resonator device includes a temperature compensation structure disposed beneath the first electrode and above the substrate.
Simplified acoustic rf resonator parallel capacitance compensation
RF circuitry, which includes a first acoustic RF resonator (ARFR) and a first compensating ARFR, is disclosed. A first inductive element is coupled between the...
WAVE FILTER PACKAGES AND METHODS FOR MANUFACTURING THE SAME
A wave filter package and a method for manufacturing wave filter packages are presented. The wave filter package includes a chip, a substrate, and a sealed...
RF LADDER FILTER WITH SIMPLIFIED ACOUSTIC RF RESONATOR PARALLEL
An RF ladder filter having a parallel capacitance compensation circuit is disclosed. The parallel capacitance compensation circuit is made up of a first...
A resonator device 10 is disclosed. The resonator device may be used in a transducer or a sensor such as a pressure, force or acceleration sensor. The...
METHOD AND APPARATUS FOR DUAL NOTCH RIPPLE FILTERING
An apparatus includes a self-coupled transformer, a first band stop filter and a tank circuit connected in series with the first band stop filter between first...
A tunable resonator includes at least one tunable capacitor coupled with at least one tunable inductor. The tunable resonator includes a mechanical tuning...
A clipping circuit for an amplifier, the clipping circuit using a tunneling junction. A molecular or other tunneling electronic-based component within a hybrid...
ADAPTIVE LOUDNESS LEVELLING METHOD FOR DIGITAL AUDIO SIGNALS IN FREQUENCY
Embodiments of the present disclosure are directed to techniques for adjusting the amplitude of a digital audio signal in the frequency domain to control the...
An amplifier receives a differential signal and, in response, generates a first negative input current and a first positive input current. In a first operating...
METHOD OF OPERATING DIGITAL-TO-ANALOG PROCESSING CHAINS, CORRESPONDING
DEVICE, APPARATUS AND COMPUTER PROGRAM...
A signal processing chain, such as an audio chain, produces an analog output signal from a digital input signal. The signal processing chain is operated by...
POWER PROCESSING CIRCUIT, TWO-PATH POWER PROCESSING CIRCUIT AND MULTIPLEX
POWER PROCESSING CIRCUIT
A power processing circuit includes a first portion, a second portion, a third portion, a resistor, a first coupling portion, a second coupling portion, a...
TRANSMISSION APPARATUS AND TRANSMISSION METHOD
A transmission apparatus is provided with: a plurality of amplification units that amplify RF signals arranged in at least 2 bands; a first control unit that...
COMPRESSION CONTROL THROUGH POWER AMPLIFIER VOLTAGE ADJUSTMENT
Compression control through power amplifier voltage adjustment. A power amplifier module can include a power amplifier including a cascode transistor pair. The...
COMPRESSION CONTROL THROUGH POWER AMPLIFIER LOAD ADJUSTMENT
Compression control through power amplifier load adjustment. A power amplifier module can include a power amplifier including a cascode transistor pair. The...
In a protection device of a current amplifier circuit, to protect the current amplifier circuit against more high-speed operation than recovery time of a relay...
Systems and Methods for Optimizing Amplifier Operations
Methods and systems for optimizing amplifier operations are described. The described methods and systems particularly describe a feed-forward control circuit...
A differential signal is input to a pair of gates of a differential pair, a differential signal generated by a load circuit connected to drains of the...
DOHERTY AMPLIFIER AND TRANSMISSION APPARATUS
A Doherty amplifier (10) according to the present invention includes: a distribution unit (11) that distributes input signals; a main amplifier (12) that...
CASCODE SWITCH FOR POWER AMPLIFIER
Aspects of this disclosure relate to a cascode circuit electrically coupled between an amplifier configured to amplify a radio frequency (RF) signal and...
POWER AMPLIFIER INTERFACE COMPATIBLE WITH INPUTS SEPARATED BY MODE OR
Power amplifier interface compatible with inputs separated by mode or frequency. In some embodiments, a power amplifier (PA) system can include a first block...
CURRENT-MODE CONTROL FOR RADIO-FREQUENCY POWER AMPLIFIERS
Current-mode control for radio-frequency (RF) power amplifiers. In some embodiments, an RF power amplifier control circuit can include a sensor configured to...
Amplifiers Operating in Envelope Tracking Mode or Non-Envelope Tracking
Various envelope tracking amplifiers are presented that can be switched between an ET (envelope tracking) mode and a non-ET mode. Switches and/or tunable...
Bias Circuit for a Transistor Amplifier
A bias circuit for a transistor amplifier, the bias circuit comprising a low-pass filter block, a reference transistor, a sum node, a reference current source,...
Low Noise Amplifier
The embodiments of the present disclosure provide a low noise amplifier including: an input stage circuit; a bias circuit, adapted for providing bias to the...
CONCURRENT DUAL-BAND SIGNAL AMPLIFIER
A signal amplifier includes a band suppression filter configured to suppress a preset band among bands included in an input signal, a first common source-type...
Optimization Methods for Amplifier with Variable Supply Power
Optimization methods via various circuital arrangements for amplifier with variable supply power are presented. In one embodiment, a switch can be controlled...
A mixer includes a transconductance unit, a gain boost unit, a mixing module and a buffer. The transconductance unit converts a differential input voltage...
SWITCHED-CAPACITOR HARMONIC-REJECT MIXER
Disclosed herein are techniques related to a discrete-time harmonic rejection mixer. The discrete-time harmonic rejection mixer includes a switched-capacitor...
INTEGRATED CIRCUIT COMPRISING FRACTIONAL CLOCK MULTIPLICATION CIRCUITRY
Circuitry capable of performing fractional clock multiplication by using an injection-locked oscillator is described. Some embodiments described herein perform...
A voltage-controlled oscillator includes two first inductors having a common node, two varactors receiving a first bias voltage and respectively coupled to the...
SYSTEM AND METHOD FOR PERFORMANCE ANALYSIS AND CLASSIFICATION OF LOSSES
FOR SOLAR POWER SYSTEMS
The invention provides a system and method for analyzing and classifying the losses of a photovoltaic array. The system and method compares expected power...
Notification Apparatus Usable With Cooling System or Other System
A notification apparatus is usable with a cooling system of a solar inverter and employs various environmental and operational parameters to calculate a...
Solar Energy Collector Apparatus
A solar energy collector includes a generally tubular housing or multiple tubular housings each having an open end for receipt of solar rays which are then...
METHOD FOR HYBRID SOLAR TRACKING, AND APPARATUS FOR HYBRID SOLAR TRACKING
AND PHOTOVOLTAIC BLIND SYSTEM USING SAME
A method for hybrid solar tracking, and an apparatus for hybrid solar tracking and a photovoltaic blind system using the same are disclosed. The method...
SCISSOR JACK MULTI-DRIVE SINGLE-SHAFT TRACKING SOLAR SUPPORT
A multi-scissor jack-operated single-shaft solar tracking apparatus. A scissor jack is provided at regular intervals on a rotation beam of the single-shaft...
Low-Sloped Roof Solar Mounting Systems
A mounting system for supporting a plurality of photovoltaic modules on a support surface, such as a low-sloped roof, is disclosed herein. The mounting system...
SOLAR POWERED SATELLITE SYSTEM
A solar powered satellite system is provided. A power control system, for example, of the solar powered satellite system may include, but is not limited to, a...
STUDENT, TEACHER, ADMINISTRATIVE AND RESEARCH COORDINATING HELPER
A digital podium apparatus includes: a frame; an extended handle disposed on the digital podium frame with which change of direction of movement is actuated,...
MOUNTING BRACKET ASSEMBLIES AND METHODS
A mounting bracket assembly is provided in which a mounting bracket includes a first attachable bracket piece and a second attachable bracket piece, a first...
CLAMP ASSEMBLY FOR SECURING PANELS TO SUBSTRATES
An apparatus for securing a panel to a substrate includes a base member, an attachment member for securing the substrate within an opening of the base member;...
Solar Canopy Assembly Tooling, Method of Assembling a Solar Canopy and a
Methods and apparatus for assembling solar canopy subassemblies, and solar canopies formed with such solar canopy subassemblies, are provided. The provided...
MOTOR DRIVE APPARATUS AND POWER STEERING APPARATUS
A disclosed motor drive apparatus includes a boost converter circuit, a first switch provided between the midpoint of the first upper and lower arms and the...
POWER CONVERSION DEVICE
A power conversion device includes an alternating current rotating machine having a multiple of multi-phase windings, a multiple of power conversion means that...
Provided is a motor controller for controlling a motor system including a power converter, a smoothing capacitor and a three-phase AC motor. The motor...