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Patent # Description
US-9,935,598 Differential amplifier design as the preamp of DMM
An amplifying circuit comprises a differential input stage having a first input terminal, a second input terminal, and an intermediate node, wherein the...
US-9,935,597 Circuit for and method of receiving an input signal
A circuit for receiving an input signal is described. The receiver comprises a first receiver input configured to receive a first input of a differential input...
US-9,935,596 Analog front-end circuit including instrumentation preamplifier and A/D converter
One embodiment provides an analog front-end circuit. When a chopping signal has a first logical value, a non-inverting instrumentation preamplifier subtracts a...
US-9,935,595 Switch control method, switch control circuit, regulator and storage medium
Disclosed is a switch control circuit, including an error amplifier, a compensation network and a control circuit, wherein the compensation network is connected...
US-9,935,594 Peaking amplifier bias control
A Doherty power amplifier includes a carrier amplifier, a peaking amplifier, and a peaking amplifier bias circuit coupled to the peaking amplifier and...
US-9,935,593 Power amplifier bias circuit
Power amplifier bias circuit. A power amplifier bias circuit can include an emitter follower device and an emitter follower mirror device coupled to form a...
US-9,935,592 Wide-band amplifiers using clipper circuits for reduced harmonics
The present invention breaks up the frequency bands which can be filtered by a simple low-loss band-pass or low pass filter. The second harmonic frequency is...
US-9,935,591 Method and apparatus for current steering in high sensitivity, high linearity and large dynamic range high...
The present invention relates to a linear, high sensitivity, high speed trans-impedance amplifier (TIA) which allows a large dynamic range of input current up...
US-9,935,590 Mixer impairment correction based on volterra series
Techniques for compensating for signal impairments introduced by a mixer are discussed. One example system employing such techniques can include mixer...
US-9,935,589 Linearizer
A linearizer includes: a branch circuit having an input transmission line connected between an input terminal and a branch point, a first output transmission...
US-9,935,588 Linearity performance for multi-mode power amplifiers
Circuits, devices and methods related to multi-mode power amplifiers. A power amplifier (PA) assembly can include a radio-frequency (RF) amplification path...
US-9,935,587 High linearity inductorless LNA
An inductor-less low noise amplifier (LNA) with high linearity is disclosed. The low noise amplifier includes: an input signal stage receiving an input signal;...
US-9,935,585 RF amplifier operational in different power modes
Embodiments of a radio frequency (RF) amplification are disclosed. The RF amplification device includes a first RF amplification circuit, a second RF...
US-9,935,584 Self-biased gyrator-based receiver for amplification and equalization of single-ended signals
A self-biased gyrator-based input receiver amplifies and equalizes single-ended signals. The input receiver implements inductive impedance useful for...
US-9,935,583 Power amplifier circuit
A power amplifier circuit includes an input that receives a first input signal having a first phase and a second input signal having a second phase, a first...
US-9,935,582 Apparatus and methods for envelope tracking systems
Apparatus and methods for envelope tracking systems are provided. In certain configurations, an envelope tracking system includes a digital filter that...
US-9,935,581 High-frequency semiconductor amplifier
According to one embodiment, a high-frequency semiconductor amplifier includes an input terminal, an input matching circuit, a high-frequency semiconductor...
US-9,935,580 Wien bridge oscillator
An oscillator circuit that includes a Wien bridge oscillator circuit, a full-wave rectifier circuit, coupled to an output of the Wien bridge oscillator circuit,...
US-9,935,579 mmWave PLL architecture
A master voltage controlled oscillator (VCO) produces an output signal at an operating frequency of at least 100 gigaHertz (GHz). A buffer VCO injection-locked...
US-9,935,578 Control device of power converter, power conversion system, compressor driving system, flywheel power...
A control device of a power converter controls a system including a converter that converts alternating current (AC) power of a power supply into direct current...
US-9,935,577 Semiconductor device and fault detecting method
A method of detecting a fault of a semiconductor device including a power device mounted on a metal base and a drive circuit for driving the power device, the...
US-9,935,576 Methods and controllers for operation of electric motors
A controller and methods for hybrid operation control of an electric motor in an electric motor system are provided. The controller is configured to receive a...
US-9,935,575 Power conversion device and control method for same, and electric power steering control device
Provided are a power conversion device, relating to control of detecting a bus current in operation, and capable of acquiring an average current through a small...
US-9,935,574 Method for determining a rotor frequency and/or a rotor angle of a rotor of a reluctance machine, control...
A method for determining a rotor frequency and/or a rotor angle of a rotor of a reluctance machine, in particular without an amortisseur, is disclosed. The...
US-9,935,573 Four quadrant voltage limiter for rotor flux oriented machine control
Methods, systems and computer readable storage devices for a four quadrant voltage limiter that limits a commanded phase voltage to within a volt second...
US-9,935,572 Control of alternator with front end accessory drive
Control of alternator/starters for providing electrical power to a vehicle and rotating an engine is disclosed. In one example, the alternator/starter provides...
US-9,935,570 Use of an electronic device for operating a DC motor to control two peak and hold loads
Electronic device (1), capable of operating a DC motor, including an H bridge with an upper left-hand switch (R1), an upper right-hand switch (R2), a lower...
US-9,935,569 Motor drive control apparatus, compressor, fan, and air-conditioning apparatus
A motor drive control apparatus according to the present invention includes: a three-phase rectifier to rectify an AC voltage supplied from a three-phase AC...
US-9,935,568 Control apparatus of rotary electric machine
A control apparatus of a rotary electric machine which can be configured so that the upper limit of a vibration torque component, in which the rotary electric...
US-9,935,567 Rotating electric machine control device
A rotating electric machine control device includes: a q-axis PI controller calculating a pre-restriction q-axis voltage instruction value based on a q-axis...
US-9,935,566 Drive arrangement for the motorized adjustment of an adjustment element of a motor vehicle
The invention relates to a drive arrangement for the motorized adjustment of an adjustment element of a vehicle, wherein at least one drive comprising an...
US-9,935,565 Motor control circuit and method
In accordance with an embodiment, motor control circuit has a first selector connected to a second selector through an analog to digital converter. The first...
US-9,935,564 Propellant flow actuated piezoelectric igniter for combustion engines
A propellant flow actuated piezoelectric igniter device using one or more hammer balls retained by one or more magnets, or other retaining method, until...
US-9,935,563 Electrical energy generation within a vehicle tire
An apparatus for installation within a tire for a vehicle includes a flexible arm and a power generating element coupled to the flexible arm for generating...
US-9,935,562 High efficiency inverter for distributed generation
Systems, methods, and devices relating to a DC/AC inverter. The inverter has a full bridge converter and an output filter with an integrated magnetic...
US-9,935,561 Adaptable input phase switching
A power supply unit (1) that is to be connected to different types of power supply networks includes an input (2) to receive AC power from the power supply...
US-9,935,560 Electronic device with a maintain power signature (MPS) device and associated methods
An electronic device includes a rectifier bridge that includes an input configured to be coupled to power over Ethernet (PoE) power sourcing equipment (PSE),...
US-9,935,559 Efficient power supply voltage regulation for synchronous rectifier controller
A flyback converter is provided with a synchronous rectifier (SR) controller including a pulse linear regulator (PLR) charging path and an LDO charging path....
US-9,935,558 DC-DC converter apparatus including single drive circuit board arranged at predetermined interval from metal base
To achieve reduction in size and reduction in cost of a DC-DC converter apparatus. Rectifier elements and are installed onto a metal base, and a drive circuit...
US-9,935,557 Multi-output power supply
A multi-output power supply includes: a switching element that turns ON and OFF currents flowing through all primary coils of a plurality of transformers...
US-9,935,556 Primary-side control of resonant converters
A method for controlling a resonant converter includes maintaining an output current equal to an output power of the converter divided by an output voltage of...
US-9,935,555 Power supply apparatus and power supply method thereof
A power supply apparatus and a method for controlling the power supply apparatus are provided. The power supply apparatus drives an electronic apparatus which...
US-9,935,554 Magnetic sensing technique for power supply systems
One embodiment includes a power supply system including a transformer comprising a primary, secondary, and auxiliary winding that are magnetically coupled. The...
US-9,935,553 Control scheme for hysteretic buck controller with inductor coil current estimation
A circuit and method for power converter for improved current monitoring, comprising a buck converter comprising a high side switch, a current sensing circuits...
US-9,935,552 Control system for controlling operational modes of a DC-DC voltage converter
A control system for controlling operational modes of a DC-DC voltage converter is provided. The DC-DC voltage converter initially has an idle operational mode....
US-9,935,551 Switching circuit including serially connected transistors for reducing transient current at time of turning...
A high-withstand-voltage normally-on transistor and a low-withstand-voltage normally-off transistor are connected in series, and diodes are provided in reverse...
US-9,935,550 System and method for preventing cross-conduction when switching circuitry during voltage regulation
To prevent cross-conduction when switching switches in switching circuitry for voltage regulation, a dead time may be maintained between turning off a switch...
US-9,935,549 Multi-switch power converter
In accordance with presently disclosed embodiments, a 5-switch power conversion circuit that improves the power conversion efficiency (PCE) of a DC-DC converter...
US-9,935,548 Power supply system having two DC power supplies
A power supply system includes first and second DC power supplies and a power converter having first to fifth semiconductor elements and first and second...
US-9,935,547 System and method for a switched-mode power supply
In accordance with an embodiment, a method of operating a switched-mode power includes turning on an output switch of the switched-mode power converter coupled...
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