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WO/2023/233793A1 |
A sensor amplification circuit (100) comprises: a differential amplification circuit (110) that amplifies a differential voltage of a pair of output signals from a sensor circuit (50); and a compensation circuit (150) that, on the basis ...
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WO/2023/231832A1 |
The present application discloses a radio frequency switch circuit, a wireless transceiving system, and an electronic device. The radio frequency switch circuit comprises: an output end of a power amplifier (PA) output matching network i...
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WO/2023/234402A1 |
This bias circuit comprises: a first transistor that supplies a bias to a first amplifier from an emitter or a source; a first terminal that is electrically connected to a circuit which controls a bias of a prescribed amplifier; and a fi...
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WO/2023/234548A1 |
An electronic device for wirelessly transmitting power may comprise: an amplifier; a load unit that receives a signal output from the amplifier; a phase detector that detects the phase difference between the current and voltage output fr...
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WO/2023/235070A1 |
A transceiver circuit operable in a dynamic power range is provided. In embodiments disclosed herein, the transceiver circuit is configured to generate a radio frequency (RF) signal and a target voltage that is adapted according to a pow...
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WO/2023/235646A1 |
Microstrip technology boards including microstrip traces matched over a range of different impedances are described. The microstrip boards include impedance-offset openings in ground planes under certain microstrip traces. The openings r...
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WO/2023/233735A1 |
An APT module (1) comprises: a converter circuit (20) that outputs a power supply voltage (V1); output terminals (111 and 112) to which the power supply voltage (V1) is applied; an FB terminal (121) connected to a signal path (PS1) linki...
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WO/2023/232376A1 |
The invention relates to the control of an electrostatic sound transducer having a microelectronic device. A control circuit having a differential amplifier is provided, wherein, at a central terminal of the sound transducer, a bias volt...
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WO/2023/229218A1 |
Disclosed are a method for controlling a voltage supplied to a radio frequency (RF) transmission/reception module, and an electronic device for carrying out same. The electronic device, according to one embodiment, comprises: a communica...
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WO/2023/229860A1 |
Feedback methods and devices to reduce gain in RF amplifiers, more in particular LNAs, are disclosed. The described methods are based on providing feedback paths from the drain terminal of one of the LNA cascode transistors to the source...
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WO/2023/226444A1 |
Embodiments of the present application provide a digital pre-distortion circuit, method, and device. The digital pre-distortion circuit comprises: a digital pre-distortion module and a power amplifier; the digital pre-distortion module i...
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WO/2023/226581A1 |
A class-J distributed power amplifier based on harmonic regulation and control, and an optimization method for a class-J distributed power amplifier. The present invention aims to solve the problems of low output power, low efficiency an...
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WO/2023/229833A1 |
An amplifier is disclosed having a carrier amplifier and a peaking amplifier coupled in parallel with the carrier amplifier, wherein the peaking amplifier has peaking output transistors. A peaking power supply adaptive bias generator is ...
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WO/2023/229798A1 |
A wideband amplifier includes an input matching network for matching a transconductor stage to an input impedance and includes an output matching network for matching the transconductor stage to an output impedance. Both the input and ou...
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WO/2023/229170A1 |
An electronic device may comprise a Doherty power amplifier. The electronic device may comprise a carrier amplifier, a first circuit coupled to an output terminal of the carrier amplifier, a peaking amplifier, a second circuit coupled to...
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WO/2023/223747A1 |
This tracker circuit (1) comprises: a pre-regulator circuit (10) that is configured to convert an input voltage to an adjusted voltage by using a power inductor (L71); a switched capacitor circuit (20) that is configured to generate a pl...
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WO/2023/223746A1 |
A tracker circuit (1) comprises: a first switch circuit (for example, a pre-regulator circuit (10) and a switched capacitor circuit (20)) configured so as to generate a plurality of discrete voltages on the basis of input voltage; a seco...
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WO/2023/223748A1 |
An amplifier circuit (10), configured to amplify a high-frequency signal by using a plurality of discrete voltages supplied from a tracker circuit (5) in one frame of the high-frequency signal, comprises: a power amplifier (11); and an R...
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WO/2023/223886A1 |
Provided is a power amplification circuit wherein the breakdown-voltage resistance of a transistor in a low-temperature environment is improved. A power amplification circuit 10 comprises: an output transistor 102 that amplifies and outp...
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WO/2023/222655A1 |
The invention relates to a method for predistorting an input signal with a view to compensating for the effect, on a radiofrequency signal generated from the input signal, of a non-linear transfer function of a power amplifier configured...
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WO/2023/223793A1 |
This radio frequency amplification circuit comprises: an amplification transistor that is made from a compound semiconductor and that has a base to which a radio frequency signal is supplied and a collector that outputs the radio frequen...
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WO/2023/216846A1 |
Disclosed in the present application are a Doherty power amplification circuit and a radio frequency front-end module. The Doherty power amplification circuit comprises at least two Doherty power amplifiers arranged in series, wherein th...
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WO/2023/216847A1 |
Disclosed in the present application are a radio frequency amplification circuit and a radio frequency front-end module. The radio frequency amplification circuit comprises: a first coupler, which is configured to perform coupling proces...
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WO/2023/216975A1 |
A current sampling circuit and an electronic device. The circuit comprises: a resistance adjustable module (1) comprising a power transistor Q1 and a power transistor group, the power transistor Q1 having a drain connected to a current i...
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WO/2023/206868A1 |
Provided in the present application are a signal transmission circuit, comprising a pre-stage load, a post-stage load and an impedance matching circuit, the impedance matching circuit being electrically connected between the pre-stage lo...
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WO/2023/212533A1 |
One or more examples relate to inverting current amplification and related touch systems. An apparatus includes a first transistor, a second transistor, and a feedback loop. The first transistor and the second transistor provide controll...
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WO/2023/211590A1 |
Various aspects of the present disclosure generally relate to wireless communication. A wireless communication device may have an apparatus that aligns the non-linearity between transmit chains of the wireless communication device that a...
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WO/2023/207466A1 |
The present application provides a method for controlling a power amplification device. The power amplification device comprises: a first amplification path, wherein the first amplification path comprises a first transistor (T1) and a se...
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WO/2023/201831A1 |
Disclosed in the present invention are a differential millimeter wave communication architecture and an electronic device. The differential millimeter wave communication architecture comprises an emission apparatus, the emission apparatu...
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WO/2023/203858A1 |
A high frequency circuit (1) comprises: a carrier amplifier (11); a transmission line transformer (20) including a main line (201) and a secondary line (202); a signal output terminal (120); a voltage supply terminal (130); and a capacit...
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WO/2023/201824A1 |
A single-ended-to-differential microphone circuit, comprising a power supply end (VHCM), which is used for inputting a first bias voltage, and a microphone capacitor (CMEMS), a coupling capacitor (CAC), a first primary amplifier (Amp1), ...
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WO/2023/203857A1 |
A Doherty amplifier circuit (1) comprises: a carrier amplifier (11); a peak amplifier (21); a phase-shift circuit (31); a phase-shift circuit (32) connected to an output end of the peak amplifier (21); a transformer (41) including an inp...
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WO/2023/201829A1 |
Provided in the present invention are a single-ended-to-differential microphone circuit and an electronic device. The single-ended-to-differential microphone circuit comprises: an amplifier; a microphone, which is connected to a positive...
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WO/2023/205562A1 |
This disclosure provides systems, methods, and devices for wireless communication that support low noise amplification of mmWave radio frequency (RF) signals. In a first aspect, a low noise amplifier includes a first stage amplifier (410...
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WO/2023/202310A1 |
The present invention provides an input matching circuit for a power amplifier. The input matching circuit comprises a first resonator and a second resonator; the first resonator comprises: a first input capacitor Cin1, a first variable ...
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WO/2023/202309A1 |
A radio frequency amplifier circuit and a radio frequency chip. The radio frequency amplifier circuit comprises an input matching circuit (1), a first capacitor (C1), a bias circuit (2), a radio frequency amplification transistor (Q1), a...
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WO/2023/202683A1 |
Disclosed in the present invention are a low noise amplifier and a corresponding radio frequency front-end module, a method, and a mobile terminal. According to the low noise amplifier, high isolation among input ports is achieved by mea...
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WO/2023/202308A1 |
The present utility model provides a radio frequency amplifier circuit and a radio frequency chip. The radio frequency amplifier circuit comprises an input matching circuit, a first capacitor, a bias circuit, a radio frequency amplificat...
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WO/2023/203738A1 |
Provided is a Doherty amplifier (1000) in which the number of amplifiers that contribute to an amplification operation changes in accordance with the power of an input signal, said Doherty amplifier comprising at least four amplifiers (1...
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WO/2023/199883A1 |
This power amplification module comprises: a carrier amplification circuit; a carrier bias circuit that supplies a bias to the carrier amplification circuit; a peak amplification circuit; and a peak bias circuit which includes a first tr...
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WO/2023/197116A1 |
The present application provides a radio frequency power amplification circuit and a communication device. The radio frequency power amplification circuit comprises a power amplification unit, an input matching circuit, and an output mat...
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WO/2023/197673A1 |
The present application relates to the technical field of communications, and discloses a Doherty power amplifier, a circuit board assembly, and an electronic device. Two output ends of a power distribution unit (101) are respectively co...
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WO/2023/092101A9 |
Power amplifiers having improved gate oxide integrity are disclosed. In particular, a dynamic asymmetric cascode bias circuit is used to provide a bias signal to a cascode power amplifier stage. The bias signal swings in synchronicity wi...
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WO/2023/195086A1 |
This high frequency amplifier is configured to include an input matching circuit, an output matching circuit, and m amplification elements (1) (where m is three or a greater integer). At least one of the input and output matching circuit...
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WO/2023/196264A1 |
A system includes a receiver (RX) configured to receive an RX output signal in an RX band, where the RX output signal has a first passive intermodulation (PIM) source in the RX band and a second PIM source in the RX band; and a processin...
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WO/2023/196263A1 |
According to an aspect of an embodiment, a base station configured for enhanced receiver sensitivity may comprise a processing device and a receiver. The receiver (Rx) may be configured to receive an Rx output signal in an Rx band. The p...
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WO/2023/196062A1 |
An amplifier (600) includes an input node (606) and an output node (608), a first transistor (612) and a second transistor (618b), a load circuitry, an inductor, and a capacitor. A first terminal of the first transistor (612) is coupled ...
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WO/2023/184175A1 |
The present application provides a differential amplification circuit, a power amplifier, and an electronic device, for which the power-added efficiency of the circuit can be increased without sacrificing the power gain of the circuit. T...
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WO/2023/190922A1 |
This impedance detection circuit includes: a first wave detector for detecting a first voltage amplitude at one end, of an inverter circuit, to which a high-frequency signal is inputted and another end, of said inverter circuit, from whi...
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WO/2023/192726A1 |
An apparatus is disclosed for frequency-based predislortion signal generation. In an example aspect, the apparatus includes a predistortion linearizer circuit configured to be coupled to an input of an amplifier. The amplifier has non-li...
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