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Amplifier Circuit

Amplifier Circuit-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Radio frequency circuit and communication device module
Huawei Technologies Co., Ltd.
December 07, 2017 - N°20170353198

A radio frequency circuit is described, which comprises a first power amplifier comprising a first output, a second power amplifier comprising a second output, a third power amplifier comprising a third output, and a fourth power amplifier comprising a fourth output. The first power amplifier, the second power amplifier, the third power amplifier and the fourth power amplifier are configured ...
Amplifier circuit and multipath nested miller amplifier circuit
Sii Semiconductor Corporation
December 07, 2017 - N°20170353166

Provided are an amplifier circuit capable of reducing dc offset voltage without an increase in chip area and degradation in frequency characteristics, and a multipath nested miller amplifier circuit. The amplifier circuit includes a chopper switching circuit, a sampling circuit configured to sample an output signal from the chopper switching circuit, and a holding circuit configured to hold a signal ...
Low dropout linear regulators and starting methods therefor
Mediatek Singapore Pte. Ltd.
December 07, 2017 - N°20170351283

A low dropout linear regulator, a starting method, an electronic device, and a chip are provided. Wherein the low dropout linear regulator comprises an error amplifier circuit, an over current circuit and an over-current adjustor, the starting method includes: beginning a soft-starting process of the low dropout linear regulator and turning on a first transistor and a second transistor to ...
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Amplifier Circuit Patent Applications
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  • 159+ full patent PDF documents of Amplifier Circuit-related inventions.
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Amplifier circuit including first input branch circuit, second input branch circuit, feedback capacitor, and operational ...
Panasonic Intellectual Property Management Co., Ltd.
November 30, 2017 - N°20170346457

An amplifier circuit includes a first input branch circuit including a first sampling capacitor, a second input branch circuit including a second sampling capacitor, an averaging capacitor, and a subtraction capacitor, a feedback capacitor, and an operational amplifier. The first sampling capacitor samples an input voltage in a first time period and outputs a first voltage. The second sampling capacitor ...
Switchless line-di/mic pre-amplifier input
Tymphany Hk Limited
November 30, 2017 - N°20170346451

A switchless pre-amplifier input circuit includes an audio input connector that receives a first audio device operable at a first impedance and a second audio device operable at a second impedance less than the first impedance. A preamplifier circuit outputs a preamplified audio signal in response to amplifying a first audio signal generated by the first audio device or a ...
Pre-amplifier circuit including microphone pre-amplifier stage
Tymphany Hk Limited
November 30, 2017 - N°20170346450

A pre-amplifier circuit including a microphone pre-amplifier stage with a direct injection (di) unit that provides a high impedance source signal and a low impedance xlr connection operable without a line or mic switch.
Amplifier Circuit Patent Pack
Download 159+ patent application PDFs
Amplifier Circuit Patent Applications
Download 159+ Amplifier Circuit-related PDFs
For professional research & prior art discovery
inventor
  • 159+ full patent PDF documents of Amplifier Circuit-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Method and system for a feedback transimpedance amplifier with sub-40khz low-frequency cutoff
Luxtera, Inc.
November 23, 2017 - N°20170338782

A system for a differential trans-impedance amplifier circuit comprising: an amplifier having a pair of input nodes and configured to generate an amplified replica of a differential voltage on said pair of input nodes; a photodiode; a pair of dc-blocking capacitors coupling said photodiode to said pair of input nodes; at least one resistance coupled between said pair of input ...
Voltage regulator and method applied thereto
Novatek Microelectronics Corp.
November 23, 2017 - N°20170337886

A voltage regulator and method applied thereto are provided. The voltage regulator generates a regulated voltage in response to a reference voltage and a control code. The voltage regulator includes a voltage divider circuit, an amplifier circuit, and a power mos array. The voltage divider circuit is configured to divide the regulated voltage to generate a feedback voltage. The amplifier ...
Calibration of push-pull amplifier to a low second order distortion
Telefonaktiebolaget Lm Ericsson (publ)
November 09, 2017 - N°20170324383

An integrated circuit comprises a first amplifier circuit with a push-pull amplifier configured to be calibrated to a low second order distortion. The integrated circuit further comprises a second amplifier circuit with at least one push-pull amplifier, wherein a size ratio between sizes of the transistors is adjustable by adjusting the size of at least one transistor device. The size ...
Sense amplifier
Stmicroelectronics (rousset) Sas
November 09, 2017 - N°20170323670

A read-amplifier circuit includes a core with a first input and a second input that are intended to receive in a measurement phase a differential signal arising from a first bit line and from a second bit line of the memory device. The circuit also includes a memory element with two inverters coupled in a crossed manner. The first and ...
High-gain low noise figure complementary metal oxide semiconductor amplifier with low current consumption
Stmicroelectronics (rousset) Sas
November 02, 2017 - N°20170317648

A radio frequency low noise amplifier circuit with a receive signal input, a receive signal output, and a voltage source include a low noise amplifier and a coupled inductor circuit with a primary inductive chain connected to the output of the low noise amplifier and to the voltage source. The coupled inductor circuit further includes a secondary inductive chain with ...
Sense amplifier circuits and methods of operation
Stmicroelectronics (rousset) Sas
November 02, 2017 - N°20170316821

A sense amplifier circuit includes: a data line; a sense amplifier output node; a keeper circuit; a logic gate; a noise threshold circuit; and an inverter. The keeper circuit includes a first transistor and a second transistor connected in series and coupled between a first power node and the data line. A gate node of the first transistor is coupled ...
Agc circuit and radio receiver
Socionext Inc.
October 26, 2017 - N°20170310350

An agc circuit for a radio receiver includes a detector converting a high frequency signal into a baseband signal. To reduce generation of a dc offset, the agc circuit includes: a variable gain amplifier having an amplifier circuit and a high-pass filter, the amplifier circuit amplifying the baseband signal with a variable gain and the high-pass filter coupled to the ...
Amplifier Circuit Patent Pack
Download 159+ patent application PDFs
Amplifier Circuit Patent Applications
Download 159+ Amplifier Circuit-related PDFs
For professional research & prior art discovery
inventor
  • 159+ full patent PDF documents of Amplifier Circuit-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Amplifier circuit and amplifier arrangement
Ams Ag
October 26, 2017 - N°20170310291

An amplifier circuit with a differential input and a differential output comprises a first and a second pair of matched transistors having a first threshold voltage and comprising control terminals connected to the differential input. A first and a second pair of triplets of transistors having a second threshold voltage being different from the first threshold voltage is connected to ...
Systems and methods for predictive switching in audio amplifiers
Cirrus Logic International Semiconductor Ltd.
October 26, 2017 - N°20170310288

An audio amplifier circuit for providing an output signal to an audio transducer may include a power amplifier and a control circuit. The power amplifier may include an audio input for receiving an audio input signal, an audio output for generating the output signal based on the audio input signal, and a power supply input for receiving a power supply ...
Receiving circuit and signal receiving method
Renesas Electronics Corporation
October 26, 2017 - N°20170310236

Provided is a receiving circuit that operates in a power supply system different from a transmitting circuit outputting a transmission signal and receives the transmission signal through an ac coupling device where a primary coil through which the transmission signal flows and a secondary coil having a center tap to which a specified voltage is supplied from an external terminal ...
Semiconductor device, circuit board, and electronic device
Semiconductor Energy Laboratory Co., Ltd.
October 26, 2017 - N°20170309325

A semiconductor device with low power consumption or a semiconductor device with a reduced area is provided. The semiconductor device includes a cell array including a first memory cell and a second memory cell; and a sense amplifier circuit including a first sense amplifier and a second sense amplifier. The cell array is over the sense amplifier circuit. The first ...
Circuit for amplifying radio signal using high frequency
Semiconductor Energy Laboratory Co., Ltd.
October 19, 2017 - N°20170302234

A high frequency amplifier circuit includes a transistor including a drain, a gate, and a source, an inductance-capacitor (lc) tank connected to the drain, and a transformer connected to the gate and the source.
Power amplifier having selective signal paths
Semiconductor Energy Laboratory Co., Ltd.
October 19, 2017 - N°20170302227

Power amplifier having selective signal paths. In some embodiments, a power amplifier circuit can include a plurality of signal paths sharing a common amplification stage configured to partially amplify a signal. Each signal path can further include a dedicated amplification stage coupled to the common amplification stage and configured to be capable of further amplifying the partially amplified signal. The ...
High-frequency module
Semiconductor Energy Laboratory Co., Ltd.
October 19, 2017 - N°20170301561

On a substrate (200), a resistor (24r) is disposed between a position of an amplifier circuit (11) and a position of a duplexer (24), thereby reducing coupling occurring in a space between the amplifier circuit (11) and a path extending from a main switch (26) to a reception terminal (p24) through the duplexer (24). Even when an rx terminal (242) of the duplexer (24) is oriented toward an ...
Sense amplifier for memory device
Semiconductor Energy Laboratory Co., Ltd.
October 19, 2017 - N°20170301378

A read-amplifier circuit includes a core with a first input and a second input that are intended to receive in a measurement phase a differential signal arising from a first bit line and from a second bit line of the memory device. The circuit also includes a memory element with two inverters coupled in a crossed manner. The first and ...
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