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Patent Searching and Data


Matches 1 - 50 out of 37,149

Document Document Title
WO/2021/002789A1
Efficient amplifier operation. In one aspect, there is a radio transceiver device. The radio transceiver device includes a distorting unit configured to receive an input signal and distort the received input signal, thereby producing a d...  
WO/2021/003004A1
A power amplifier (10) having: a plurality of N amplifier modules, where N is an integer greater than one; an M:N power splitter having M inputs, where M is an integer less than N, and N outputs, each one of the N outputs being coupled t...  
WO/2020/261039A1
Provided is a semiconductor device withi minimized increase in circuit area and less power consumption. The semiconductor device has a high-frequency amplification circuit, an envelope detection circuit, and power supply circuit. The pow...  
WO/2020/259800A1
The present disclosure relates to a gain stage for an amplifier and to the amplifier. The amplifier may be a broad-band amplifier, trans-impedance amplifier and/or driver amplifier. The gain stage includes a differential input transcondu...  
WO/2020/258396A1
Disclosed is a trimming circuit of a differential amplifier (10), wherein an output end of the differential amplifier (10) is coupled to a first input end of the differential amplifier (10) by means of a first voltage-dividing resistor (...  
WO/2020/259804A1
The present disclosure relates to an amplifier for converting a differential input signal to a single ended output signal. In particular, the present disclosure relates to an amplifier with a reduced intrinsic time constant of said conve...  
WO/2020/260012A1
An apparatus includes a differential current-to-voltage conversion circuit that includes an input sampling stage circuit, a differential integration and DC signal cancellation stage circuit, and an amplification and accumulator stage cir...  
WO/2020/259803A1
The present disclosure relates to the field of amplifier circuits (driver amplifiers) for electro-optical modulators, in particular for amplifying an electrical signal for driving electro-optical modulators, an amplifier circuit (101) is...  
WO/2020/258776A1
Disclosed in the present application is a power amplifier protection device using pre-distortion, comprising a signal channel selection switch, a pre-distortion processor, and a comparator. The pre-distortion processor is provided on a p...  
WO/2020/263134A1
A power amplifier comprises a number n of power cells Ai, a number n of output transmission lines TL1i for combining output powers from the power cells, and a number n of impedance transformation network ITNi, where i=1,…n. The number ...  
WO/2020/256554A1
The present application relates to an amplifier. It further relates to an amplifier comprising the same. The present application particularly relates to radio-frequency, 'RF', amplifiers. For example, the operational frequency of the amp...  
WO/2020/253202A1
The present application discloses a power amplifier control system and method employing automatic level control. The system mainly comprises a controllable attenuation circuit. A first input terminal of the controllable attenuation circu...  
WO/2020/172688A3
The disclosure relates to technology for signal strength detection. An apparatus for detecting signal strength is disclosed. The apparatus comprises a differential sensor stage having an input and an output, a differential reference stag...  
WO/2020/248769A1
An audio power amplifier, a gain control circuit of same, and a control method therefor, comprising a signal threshold detection unit (3), a gain compensation unit (4), and a delay control unit (5). The signal threshold detection unit (3...  
WO/2020/244878A1
An amplifier, e.g., a low-noise amplifier, includes a field-effect transistor having a one-dimensional channel. This channel includes a semiconductor material for conducting electrons along a main direction of the channel. This direction...  
WO/2020/246029A1
A Doherty amplifier (100) is provided with: amplifiers (8, 9) that include a main amplifier (8) and an auxiliary amplifier (9); output circuits (10, 13) for increasing a back-off amount that include a first output circuit (10) provided b...  
WO/2020/246864A1
According to an embodiment of the disclosure, provided is an apparatus comprising a DC voltage source configured to output a DC supply voltage; and an amplifier comprising at least one DC/DC convertor operated by the DC voltage source, w...  
WO/2020/241586A1
Provided is an amplifier device comprising a semiconductor chip, a package, a first feedback circuit, and a second feedback circuit. The package comprises a metal base, an insulating lateral wall, an input lead, and an output lead. The i...  
WO/2020/240311A1
Provided is a semiconductor device having low power consumption. In a cascode circuit comprising a first transistor provided on a low power supply potential side and a second transistor provided on a high power supply potential side, the...  
WO/2020/242936A1
A power output circuit supplies an audio power output signal that is adjusted to prevent clipping when needed based on an estimate of available energy from the power supply supplying the power output circuit. The power output circuit may...  
WO/2020/238898A1
A power supply for a radio-frequency power amplifier, comprising: first and second linear circuits used for respectively performing linear amplification on a low-power signal and a high-power signal in a first envelope signal and respect...  
WO/2020/240339A1
Provided is a communication device with a wide range of potentials of signals which can be transmitted and received. This communication device has an amplifier circuit comprising first to fourth transistors, first to fourth bias transist...  
WO/2020/238899A1
A feedback-based power supply for a radio frequency power amplifier, comprising a linear amplification unit, a first control unit, and a first driving unit, as well as a first feedback unit and a superposition unit, wherein the first con...  
WO/2020/243606A1
A DC coupled amplifier includes a pre-driver, and amplifier and a bias control circuit. The pre-driver is configured to receive one or more input signals and amplify the one or more input signals to create one or more pre- amplified sign...  
WO/2020/242886A1
In a Doherty amplifier (30), outputs of first or main (18a) and second or peak (18b) transistors are connected by a combined impedance inverter and harmonic termination circuit (36). The harmonic termination circuit (40) incorporates a p...  
WO/2020/233384A1
Disclosed is a wide-voltage transimpedance amplifier. The solution is applicable to the field of low-voltage radio-frequency receivers and other low-voltage and wide-voltage analog circuits and realizes current-to-voltage conversion. The...  
WO/2020/236210A1
A receiver can include a first set of one or more amplifier stages configured to amplify input signals in a plurality of communication bands. The receiver can further include a second and third set of one or more amplifier stages. The se...  
WO/2020/235093A1
A load modulation circuit (9), which includes a parallel resonant circuit (6), a parallel resonant circuit (7) and a parallel inductor (8), functions as a load modulation circuit that uses parasitic capacitance of a carrier amplifier tra...  
WO/2020/236585A1
In integrating RF power amplifier circuits on a package, at least one bias voltage is coupled to at least one amplifier circuit on the package via two or more pins/connectors. In particular, at least one of a gate and drain bias voltage ...  
WO/2020/232207A1
Techniques for implementing an internal optical communication link in a power amplifier system are disclosed. In one embodiment, the techniques may be realized as a power amplifier system that includes a panel, an optical link, and a con...  
WO/2020/229193A1
An amplifier includes input transconductors that receive an input signal, the input signal having a voltage swing. A supply side current mirror generates a gate voltage as a function of input signal voltage and current sources that provi...  
WO/2020/225856A1
According to the present invention, a first transistor (Q1) and a second transistor (Q2) are cascode-connected. A high frequency passive element (LN1) includes: a signal wire (S1) connected between a drain or a collector of the first tra...  
WO/2020/121016A3
Class-D amplifier includes first/second independent output stages receiving first/second power supply voltages for driving a load during first/second operating modes selected based on output power level. Bypass switches disconnect/connec...  
WO/2020/225476A1
According to an example aspect of the present invention, there is provided an apparatus for an antenna, comprising, a first power amplifier and a second power amplifier and a common ground between the first power amplifier and the second...  
WO/2020/226929A1
Methods and apparatus for a cooling plate for solid state power amplifiers are provided herein. In some embodiments, a cooling plate of a solid state power amplifier includes a body having a rectangular shape, a first sidewall opposite a...  
WO/2020/222969A1
A low noise amplifier (1305) has integral noise cancellation to provide a low noise figure and operation over a frequency range of 0.5GHz - 50GHz. An amplifier amplifies an input signal as well as noise present with the amplified signal ...  
WO/2020/220347A1
Disclosed are an amplifier and an amplification device, which are used for reducing the gain and power consumption fluctuation of an amplifier while improving the linearity of the amplifier. The amplifier comprises: at least one first ga...  
WO/2020/223015A1
A thermal and environmental noise suppressing interface circuit which is configured to operate cold and is configured to perform biasing with suppression of noise currents from room temperature noise voltages and dc coupled rf readout of...  
WO/2020/220715A1
Provided in the present disclosure are a device, method, and system for signal distortion pre-correction, and a composite system. The device for signal distortion pre-correction comprises: a signal distortion correction network module, a...  
WO/2020/222912A1
A low noise amplifier (200) for a frequency range of 40GHz - 60GHz comprises an amplifier (Q 1A, Q 1B) amplifies an input signal (V RF) as well as noise present with the amplified signal and amplified noise being out of phase and in phas...  
WO/2020/220682A1
A high-input-amplitude and high-linearity input withstand voltage protection structure applied to a high-voltage operational amplifier, comprising a primary operational amplifier, a secondary operational amplifier, and an input-stage wit...  
WO/2020/219534A1
The disclosed technology includes device, systems, techniques, and methods for amplifying a complex modulated signal with a broadband power amplifier. A broadband power amplifier may include an input network connected a long an input sig...  
WO/2020/217319A1
This Doherty amplifier is provided with a carrier amplifier (17) which amplifies a first signal and outputs the amplified first signal, a peak amplifier (18) which has a nonlinear output capacity, amplifies a second signal, and outputs t...  
WO/2020/217422A1
This Doherty amplifier (1) is configured to comprise: a first transistor (16) which amplifies a first signal and outputs the amplified first signal; a second transistor (20) which amplifies a second signal and outputs the amplified secon...  
WO/2020/215795A1
A thin film transistor-based bootstrap structure amplifier and a chip, comprising: an input circuit, an output buffer, and a plurality of bootstrap structure units; the bootstrap structure units comprise a thin film transistor and a capa...  
WO/2020/213997A1
The present invention provides an active compensation device for actively compensating for a first current input in a common mode to each of at least two high current paths connected to a first device, the active compensation device comp...  
WO/2020/209421A1
The present invention relates to envelope tracking (ET) of an electronic device supporting 5G communication, the electronic device comprising: a signal distribution unit which divides a modulated baseband signal input from a modem, into ...  
WO/2020/206802A1
Disclosed are an operational amplifier and a display device. The operational amplifier (20) comprises: an amplification module (21), the amplification module (21) comprising an output end (211), the output end (211) being configured to o...  
WO/2020/208813A1
A Doherty amplifier circuit (100, 100a, 100b) according to the invention is provided with: a first amplifier (140) which amplifies a first signal and the operational frequency of which is a first operational frequency or a second operati...  
WO/2020/206246A1
Systems, methods, and circuitries are described for generating an envelope tracking supply voltage for a power amplifier. In one example, a method includes: generating a level select signal based on a transmit signal indicative of a base...  

Matches 1 - 50 out of 37,149