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WO/2022/067208A1 |
A method of operating an amplifier circuit (300) having a transformer (314) arranged so as to establish a magnetically coupled feedback loop between and output of an amplifier and an input of the amplifier. The method includes providing ...
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WO/2022/063849A1 |
A common-mode feedback circuit (204) for a fully differential amplifier (102) comprises first (MB), second (MTP), and third (MTN) transistors, each having a respective drain, source, gate, and back-gate terminals. The drain terminal of t...
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WO/2022/067201A1 |
An amplifier circuit (100) includes an amplifier (102) and a transformer having a primary winding (112) in series with an amplifier output (106) and a secondary winding (108) coupled to an amplifier input (104). The primary winding (112)...
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WO/2022/067202A1 |
An amplifier circuit (100') includes an amplifier (1021) having an amplifier input and an amplifier output. A transformer disposed to provide a signal for driving a load includes a primary winding (Lout) in series with the amplifier outp...
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WO/2022/065197A1 |
Provided is a class-D amplifier that reduces power consumption in a small signal range while suppressing deterioration of the total harmonic distortion rate. Provided is a class-D amplifier 1 that amplifies an input signal Ain, the cla...
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WO/2022/058778A1 |
A Doherty power amplifier and a method therefor are disclosed. According to one aspect, a Doherty power amplifier includes an input having a first signal path and a second signal path. The first signal path receives a first input signal ...
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WO/2022/056610A1 |
The present invention relates generally to the field of electret capsule, and more particularly to a circuit configuration of an impedance converter integrated in an electret capsule such as for use in condenser microphones. The electret...
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WO/2022/058061A1 |
Disclosed is an apparatus comprising means for transmitting a first signal via at least a first switch, a first amplifier, a second switch and a power amplifier, wherein an output of the second switch is connected to a power amplifier pa...
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WO/2022/061215A1 |
Methods and apparatuses for controlling impedance in intermediate nodes of a stacked FET amplifier are presented. According to one aspect, a series-connected resistive and capacitive network coupled to a gate of a cascode FET transistor ...
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WO/2022/061051A1 |
A switching amplifier includes: a driver circuit with differential inputs and differential outputs; and a fault detection circuit coupled to the differential outputs. The fault detection circuit includes: a power supply input; and a sens...
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WO/2022/058011A1 |
An amplifier circuit (100A) includes a first cascode circuit (102A) and a second cascode circuit (102B). The first cascode circuit (102A) includes a first input transistor (104) and a first output transistor (106). The second cascode cir...
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WO/2022/056150A1 |
Circuit and methods using a single low-noise amplifier (LNA) to provide amplification for a wide band of RF frequencies while maintaining high gain and a low noise factor. Embodiments include an amplifier circuit including an input signa...
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WO/2022/054936A1 |
A power amplification circuit that comprises: a distributor that divides input signals into a first signal and a second signal; a first carrier amplifier that amplifies the first signal and outputs same as a first amplified signal; a fir...
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WO/2022/055697A2 |
A receiver including a first differential sense amplifier configured to amplify an input differential data signal to generate an output differential data signal; a first set of one or more differential decision feedback equalizer (DFE) t...
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WO/2022/054771A1 |
A current control circuit (20) for controlling a bias current (Ibpa) supplied to an amplification transistor (11) which amplifies a high frequency signal is provided with: a node (N1); a constant current source circuit (30) which supplie...
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WO/2022/053200A1 |
The invention relates to a vehicle (1) having at least one window (7) and a wiping device (9) associated with said window (7), said device (9) comprising an electric motor (10), a spindle (11) that is able to be set in rotation by the mo...
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WO/2022/053778A1 |
The application describes method and apparatus for amplification. An amplifier circuit (300) is described for driving a load (101) connected between first and second output nodes (103p, 103n) based on an input signal (Sin). The amplifier...
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WO/2022/048438A1 |
Disclosed are a power detection circuit and an integrated chip. The power detection circuit comprises a first temperature compensation module, an impedance matching network, a detection module and a filtering amplification module, which ...
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WO/2022/049108A1 |
The invention provides a front-end device arranged to amplify an electric signal from an associated sensor, e.g. for amplifying an electric signal from a neural activity sensor. The front-end device has an amplifier circuit connected bet...
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WO/2022/048912A1 |
Chopper amplifiers with low intermodulation distortion (IMD) are provided. To compensate for IMD, at least one distortion compensation channel is included in parallel with chopper amplifier circuitry of a main signal channel. Additionall...
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WO/2022/049888A1 |
The objective of the present invention is to connect chopper switches appropriately to a multi-stage amplifier. This semiconductor circuit is provided with a plurality of amplifiers which are connected in series, and each of which ampl...
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WO/2022/041286A1 |
Disclosed in the present application are a Doherty power amplifier, a printed circuit board, and a base station. The Doherty power amplifier comprises: a power amplifier unit, comprising a first power amplifier and a second power amplifi...
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WO/2022/045106A1 |
A differential amplification circuit (110) generates a first current (I1) and a second current (I2) that have a current difference that is the result of amplifying the voltage difference between an input voltage (Vin) and a reference vol...
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WO/2022/045279A1 |
This power amplification circuit comprises, on a single semiconductor substrate: a distributor for dividing an input signal into a first signal and a second signal which is different in phase from the first signal; a first amplifier that...
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WO/2022/038334A1 |
This application relates to an amplifier selectively operable in first or second modes. The first mode is a BTL mode with first and second output drivers (103p, 103n) both active to generate respective driving signals that vary with an i...
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WO/2022/038349A1 |
A differential impedance to voltage converter (600) is described herein. Some examples describe a differential impedance to voltage converter circuit having multiple feedbacks (602, 604) and cross-coupled connections (606, 608). Some exa...
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WO/2022/038347A1 |
A three-input fully differential amplifier (200) comprising a first input terminal (202), a second input terminal (204) and a reference input terminal (210). The three-input fully differential amplifier (200) further comprising a first o...
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WO/2022/038348A1 |
Electronic circuitry for converting a impedance to a voltage is described herein. Some examples describe an impedance to voltage converter circuit (300) having input offset storage (306). Some examples describe a differential impedance t...
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WO/2022/039640A1 |
There is provided a power combiner for an amplifier arrangement. The power combiner is configured to combine an input power signal, as provided to the power combiner through outputs of power cells of the amplifier arrangement, to an outp...
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WO/2022/038695A1 |
A power supply modulation device (1) is configured so as to comprise: a detection unit (12) that detects, from a first digital signal, a first amplitude which is the amplitude of a first analog signal imparted to a first amplifier (4), a...
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WO/2022/039884A1 |
An amplifier circuit includes an amplifier configured to receive a radio frequency (RF) input signal from an input node, a bias circuit comprising a reference transistor coupled between a reference current source and ground, and a bias t...
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WO/2022/034288A1 |
The application describes a switched driver (401) for outputting a drive signal at an output node (402) to drive a load such as a transducer. The driver receives respective high-side and low-side voltages (VinH, VinL) defining an input v...
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WO/2022/034824A1 |
Provided are a high-frequency circuit and a communication device with which it is possible to attenuate a harmonic component in differential amplification. The high-frequency circuit includes a differential amplification circuit (16). Th...
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WO/2022/033767A1 |
The present invention relates to a readout circuit (1) for a MEMS sensor unit, comprising at least one circuit component (3, 4) which has a cascade circuit (5) with at least one input amplifier (6) and at least one output amplifier (7), ...
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WO/2022/034306A1 |
This application relates to methods and apparatus for driving a transducer with switching drivers. A switching driver has first and second supply node for receiving supply voltages and includes an output bridge stage, a capacitor and a n...
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WO/2022/035716A1 |
Systems and method for improving stability and performance in class-D modulators. In particular, a multi-cycle feedback network is positioned around a quantizer of a digital class-D amplifier. The multi-cycle feedback network allows the ...
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WO/2022/035730A1 |
Devices, systems, and methods for multi-channel common-mode coupled alternating current (AC) gain amplifiers (MC-CM-AC Amp) are disclosed. The MC-CM-AC Amp can comprise a first operational amplifier including: a first non-inverting input...
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WO/2022/034217A1 |
Various examples are directed to systems and methods for operating a plurality of power amplifiers. A predistortion circuit may pre-distort an input signal according to a predistortion configuration to generate a pre-distorted signal for...
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WO/2022/034972A1 |
An amplification apparatus for a super directional speaker according to an aspect of the present invention comprises: a modulation unit which generates a PWM signal through pulse-width modulation of an input signal with a carrier frequen...
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WO/2022/028148A1 |
Embodiments of the present application provide a dual-band low-noise amplifier circuit, a low-noise amplifier, and a device. The dual-band low-noise amplifier circuit comprises an amplification sub-circuit and a switch frequency selectio...
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WO/2022/030130A1 |
[Problem] To realize a switched resistor having a small circuit area and low power consumption. [Solution] This electronic circuit comprises a differential signal output circuit that outputs a differential signal. The differential signal...
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WO/2022/027615A1 |
The present invention relates to the field of automatic water quality monitoring systems. Disclosed are an automatic river water quality monitoring system-based signal processing circuit and a processing method. The signal processing cir...
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WO/2022/031734A1 |
A phase shifter with a first port and a second port has a triple inductor network with a center inductor connected to the first port and the second port, and first and second peripheral inductors each electromagnetically coupled to the c...
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WO/2022/023571A1 |
A strain sensor (100) is based on a self-biasing reference circuit that reaches an operating state that, at least at first order, is at least supply-voltage independent. The strain sensor (100) provides an output signal (201, 202) that i...
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WO/2022/026797A1 |
A power generator includes a plurality of amplifier blocks and a combiner. Each of the amplifier blocks include one or more amplifiers, and the combiner combines modulated power signals output from the amplifier blocks to generate an RF ...
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WO/2022/026964A1 |
One or more embodiments relate to a multi-bias mode current conveyor. Such a current conveyor may include an input terminal, a reference terminal, an output terminal, a first and second cascoded current mirrors, and a biasing circuit. Th...
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WO/2022/024189A1 |
A high-frequency multistage low-noise amplifier according to the present invention comprises: a high-frequency input terminal; a high-frequency output terminal; a multistage circuit which is located between the high-frequency input termi...
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WO/2022/021505A1 |
A digital power amplifier for current feedback self-excited oscillation audio of a filter capacitor, which digital power amplifier relates to the field of digital power amplifiers. The digital power amplifier comprises: a voltage feedbac...
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WO/2022/021504A1 |
A composite parallel type audio digital power amplifier without dead zone distortion, comprising a voltage control module (1), an LC circuit (3), a load element RL, and a current supplementation module (2), an input end of the voltage co...
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WO/2022/026735A1 |
A resonant switch with a first port and a second port has a capacitor connected thereto. A triple inductor network has a center inductor connected to the first port and the second port, and first and second peripheral inductors each elec...
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