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WO/2021/134383A1 |
Disclosed are a power divider, a power division apparatus and a wireless communication apparatus. The power divider comprises a main port, a first branch port and a second branch port, wherein a first inductance unit is provided between ...
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WO/2021/135408A1 |
Disclosed is an ultra-wideband microwave and millimeter wave differential power amplifier, comprising an input end, an output end, an input matching network connected to the input end, an output matching network connected to the output e...
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WO/2021/131909A1 |
A D/A converter 400 converts a digital signal DIN of n bits (n ≥ 2) into a differential analog signal. A higher-order conversion unit 410 generates a first higher-order voltage VU_P and a second higher-order voltage VU_N which monotoni...
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WO/2021/128532A1 |
Provided is a multiplexing retinal cone-rod bionic vision sensor. The sensor comprises: a preset number of voltage-mode active pixel sensor circuits and a preset number of current-mode active pixel sensor circuits, wherein one voltage-mo...
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WO/2021/129781A1 |
A wireless communication system. A power supply circuit (320) within said wireless communication system comprises an envelope tracking modulator, an envelope tracking modulator being able to couple with a first power amplifier circuit (P...
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WO/2021/131847A1 |
A signal processing device according to an embodiment of the present invention is provided with a first generation unit and a second generation unit. The first generation unit generates corrected data by correcting input data on the basi...
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WO/2021/131147A1 |
The present invention improves the power addition efficiency. A second transistor (Q2) has a second base connected to the first collector of a first transistor (Q1). A third transistor (Q3) has a third base connected to the first collect...
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WO/2021/133096A1 |
A portable communication device includes an antenna module. The antenna module includes a second printed circuit board; a first antenna, a second antenna and a first transmission-reception circuit positioned in the second printed circuit...
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WO/2021/132375A1 |
This class D amplifier (1) comprises: a modulation signal generation unit (120) which generates a first modulation signal (Mp) and a second modulation signal (Mn), respectively; and a pulse generation unit (130) which generates a first p...
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WO/2021/121532A1 |
This system magnifies the electric power through the initial electric power received from a power supply such as Solar Panel, City Network, or lead acid battery. The device of the system consists of the following 3 parts. The first part ...
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WO/2021/127614A1 |
A circuit (310) includes first and second transistors (M11 and M12), an adaptive bias current source circuit (125), and an adaptive resistance circuit (320). The first transistor (M11) has a control terminal and first and second current ...
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WO/2021/120243A1 |
Disclosed is an architecture of a 5G power amplifier supporting non-standalone networking. The amplifier comprises: a first amplification group for supporting 5G and 4G frequency bands; a second amplification group for supporting 4G freq...
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WO/2021/125111A1 |
The present invention detects output power with a compact structure and with low loss. A power amplification circuit (1) comprises: an amplifier; a voltage detection circuit (5); a current detection circuit (6); and an arithmetic circuit...
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WO/2021/124613A1 |
The present invention improves the linearity of an input power-output power characteristic of an amplification circuit. A power amplification circuit (1) is provided with an amplification circuit (2), a bias circuit (3), a detection unit...
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WO/2021/124450A1 |
According to the present invention, a differential amplification circuit unit comprises: first and second transistors (205, 206) that are located between a current source circuit and a load circuit and receive differential input signals ...
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WO/2021/117936A1 |
Provided is a method of designing an MMIC power amplifier which enables: more accurate determination of stability of an MMIC power amplifier in which various oscillation phenomena occur; and enhancement of the stability. A stability dete...
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WO/2021/117142A1 |
An amplification element (T1) amplifies an input signal. A harmonic wave matching circuit (3) is connected to an output terminal of the amplification element (T1) via a first wire (W1). The harmonic wave matching circuit (3) comprises a ...
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WO/2021/115884A1 |
An exemplary embodiment of the invention relates to an electrical amplifier (10) comprising a differential preamplifier (PA) having a first output port and a second output port; and a downstream amplifier stage (DAS) having a first outpu...
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WO/2021/116796A1 |
An amplifier circuit includes a resistor divider (RREF) comprising n resistive elements, two main nodes defined at each end thereof, two readout nodes (ch, cfe), resistor nodes (q) defined between adjacent resistive elements, and an inpu...
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WO/2021/117627A1 |
This semiconductor device includes: a semiconductor chip which has a main surface; a device region which is partitioned off on the main surface; a differential amplifier which is formed in the device region and which amplifies and then o...
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WO/2021/117083A1 |
In the present invention, a distributed amplifier comprises: transmission lines (CPW1, CPW2) configured to transmit signals; a variable capacitor (Ctune1) configured so that one end thereof is connected to the transmission line (CPW1), t...
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WO/2021/119673A1 |
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for a radio frequency (RF) receiver including a dual-mode low noise amplifier (LNA). One of the methods includes configuring the RF receiver ...
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WO/2021/115127A1 |
The present application proposes a data acquisition method, a data acquisition apparatus, a data acquisition device and a storage medium. The data acquisition method comprises: acquiring a first storage flag, the first storage flag being...
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WO/2021/117222A1 |
This Doherty amplifier (10) is configured such that: when both of a carrier amplifier (18) and a peak amplifier (19) are to be saturated, the ratio Z3/Z2 of the characteristic impedance Z3 of a second transmission line (13) to the charac...
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WO/2021/119575A1 |
A logarithmic amplifier (200) includes a logarithmic current preamplifier circuit (202) and logarithmic amplifier circuit (204). The logarithmic current preamplifier circuit (202) includes an inverting input terminal (206A), an output te...
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WO/2021/118030A1 |
The present invention relates to a low power comparator that is useful in fields, such as that of the Internet of Things, for which the importance of power conversion efficiency is increasing, the low power comparator comprising: an inpu...
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WO/2021/117375A1 |
An amplifying circuit (100) comprises: a first amplifier (10) disposed between an input terminal (t1) and an output terminal (t2); and a second amplifier (20) connected in parallel with the first amplifier (10) between the input terminal...
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WO/2021/113112A1 |
A bias structure includes a reference voltage node connected to gate structures of a first NMOS transistor and a second NMOS transistor, a bias voltage node comprising a bias voltage, and a first op amp having a first input connected to ...
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WO/2021/110114A1 |
The present disclosure provides a method of linearization for a non-linear system, comprising: a group of steps comprising: inputting (302) an input signal to the non-linear system; obtaining (304) an output signal from the non-linear sy...
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WO/2021/113113A1 |
A data transmitter includes: a plurality of parallel driver slices, a first slice of the plurality of parallel driver slices having a first signal generator circuit with a first transistor coupled to a data signal and in series with a se...
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WO/2021/113028A1 |
A single integrated circuit (9) may include a signal path configured to generate an output signal (V OUT) from an input signal (V IN), wherein the signal path includes an amplifier (16) configured to drive the output signal (V OUT). a di...
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WO/2021/113417A1 |
Enhanced operational amplifier trim circuitry and techniques are presented herein. In one implementation, a circuit (100) includes a reference circuit (130) configured to produce a set of reference voltages (131-132), and a digital-to-an...
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WO/2021/113880A1 |
A radio frequency (RF) power amplifier is provided. In one aspect, the RF power amplifier includes a driver stage amplifier circuit, first and second power amplifier output stage circuits that each include a first and second array of bip...
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WO/2021/104960A1 |
A switched-capacitor amplifier comprises a comparator (110), sample and amplification capacitors (120, 130) and a controller (140) to control charge and discharge current sources (135, 136) in dependence on an output signal of the compar...
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WO/2021/102656A1 |
An amplification circuit comprises an amplifier (11) and a current follower (12). An input terminal of the current follower (12) serves as an input terminal of the amplification circuit, an output terminal of the current follower (12) is...
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WO/2021/102916A1 |
Provided in the embodiments of the present application is a radio frequency receiver, relating to the technical field of electronics, and used for realizing precise gain adjustment of the radio frequency receiver. The radio frequency rec...
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WO/2021/104119A1 |
Disclosed are a digital audio power amplifier and a power amplifier loop. The power amplifier loop comprises an operational amplifier U1, a capacitor C1, a power amplifier output stage, a resistor R1, a resistor R2 and a noise control un...
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WO/2021/101973A1 |
Various aspects provide for a digitally programmable analog duty-cycle correction circuit. For example, a system includes a duty-cycle correction circuit and a duty-cycle distortion detector circuit. The duty-cycle correction circuit adj...
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WO/2021/102477A2 |
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for a programmable input impedance circuit for a radio frequency (RF) low noise amplifier (LNA) including a high impedance mode circuit and a...
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WO/2021/101908A1 |
Various methods and circuital arrangements for reducing a turn ON time of a cascode amplifier are presented. According to one aspect, a configurable switching arrangement coupled to a cascode transistor of the amplifier shorts a gate of ...
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WO/2021/101371A1 |
The present invention is in the field of booster stage circuit for a power amplifier, and an external supply voltage power amplifier comprising said booster stage circuit, such as for amplifying an electronic signal to a speaker system. ...
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WO/2021/102475A1 |
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for radio frequency (RF) low noise amplifier (LNA) circuit configured to receive an input RF signal from an RF input source and provide an am...
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WO/2021/102476A1 |
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for a tunable radio frequency (RF) low noise amplifier (LNA) circuit including an amplifier circuit, where the amplifier circuit is configure...
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WO/2021/093223A1 |
Provided are a polar modulation circuit and a modulation method therefor. Two methods, delaying N clock periods by means of a digital clock of a digital portion and adjusting a filter group delay by means of an analog portion are combine...
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WO/2021/097495A2 |
A radio frequency (RF) power amplifier including a driver amplifier circuit, a power amplifier circuit, an inter-stage impedance matching network connecting an output of the driver amplifier circuit to a first input of the power amplifie...
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WO/2021/093467A1 |
The present application provides a current detection circuit, chip, and current detection method used for speaker protection; by means of a current detection module, power tube current mirroring technology is used to perform sampling of ...
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WO/2021/097096A1 |
Apparatus and associated methods relate to maintaining a total current (Itotal) of a switch cell (310) in a digital-to-analog converter at a controllable operating point by adjusting shunt current control signals (SCCS1, SCCS2) applied t...
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WO/2021/093822A1 |
A radio frequency power amplifier, a chip, and a communication terminal. The radio frequency power amplifier comprises a power amplifier circuit (5), an output matching circuit (2), a power measurement circuit (3), and a bias comparison ...
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WO/2021/089174A1 |
The invention relates to a method for controlling a driver circuit. The method comprises operating an amplifier for providing an output signal, for example an electronic signal for driving or controlling a load, for example a voltage or ...
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WO/2021/089168A1 |
A burst mode receiver for a passive optical network includes a high gain circuitry portion having a plurality of cascaded amplifiers. The high gain circuitry portion also includes a plurality of high gain switches. The burst mode receive...
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