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Matches 1 - 50 out of 36,468

Document Document Title
WO/2019/153290A1
A Doherty power amplifier arrangement comprises a splitter network, a first amplifier path comprising at least a first sub-amplifier and a first output matching network; a second amplifier path comprising at least a second sub-amplifier ...  
WO/2019/155582A1
The present invention comprises: a first current source (IS11) connected to a power line supplied with a first potential; a differential input circuit (TR11, TR12) that is connected between the first current source and a first node, and ...  
WO/2019/155601A1
An amplifier provided with: a circuit pattern providing a plurality of signal paths having different lengths; a plurality of pads electrically connected to the circuit pattern; a plurality of transistor cells; a plurality of transfer lin...  
WO/2019/148484A1
An H-bridge power amplifier arrangement (100) with envelope tracking is disclosed. The power amplifier arrangement (100) comprises four elements (A, B, C, D) form the four corner bars of a first H-bridge structure with a load (103) forme...  
WO/2019/151959A1
In the present invention, a power amplifier system which operates at a narrow band with high power and high efficiency or at a wide band is provided. Said power amplifier system comprises at least one high power amplifier (2); at least o...  
WO/2019/149236A1
A protection circuit and a circuit protection method. The protection circuit comprises: a detection module (10), connected to a drain of a power amplifier (PA) and configured to detect a dynamic current of the drain of the PA, and output...  
WO/2019/152326A1
A receiver front end (300) having low noise amplifiers (LNAs) is disclosed herein. A cascode having a "common source" configured input FET and a "common gate" configured output FET can be turned on or off using the gate of the output FET...  
WO/2019/144790A1
An operational amplifier and a chip, being used to improve the operational performance of the operational amplifier. The operational amplifier (100) comprises: a differential amplification circuit (110), configured to receive and amplify...  
WO/2019/147666A1
An amplifier circuit (400) includes an input port (202), an output port (204), and a reference potential port (214), an RF amplifier device (206) having an input terminal (208) electrically coupled to the input port (202), an output term...  
WO/2019/146550A1
Provided is a power amplification circuit which reduces the impact of intermodulation distortion while minimizing increase in circuit scale. The power amplification circuit is provided with: a first amplifier which amplifies a first sign...  
WO/2019/145026A1
A linearization device (380) is disclosed, which is configured to determine pre-distortion parameters associated with a plurality of non-linear amplifiers (331, 332, 333, 334). Each of the non-linear amplifiers is associated with one of ...  
WO/2019/145903A1
An amplifier (1) comprises an input terminal (IIN) adapted to receive an input voltage signal (v_i) comprising a first phase (to, ti) with a trend monotonically increasing from a substantially null value to a maximum voltage value (Vmax)...  
WO/2019/146549A1
Provided is a power amplification circuit that is capable of reducing the impact of intermodulation distortion while increasing power output. This power amplification circuit is provided with: a divider that divides an input signal so as...  
WO/2019/141355A1
A power amplifier arrangement comprises a power amplifier comprising at least one transistor having a first gate and a second gate. The first gate is configured to receive a radio frequency input signal superimposed with a first control ...  
WO/2019/143854A1
A packaged semiconductor chip includes a power amplifier die including a semiconductor substrate, and an input contact pad, an output contact pad, first and second direct-current (DC) contact pads, one or more transistors having an input...  
WO/2019/143588A1
An amplifier includes a differential positive input (602), a differential negative input (604), and a transistor (652). The transistor (652) is communicatively coupled to the differential positive input (602) and differential negative in...  
WO/2019/142526A1
An amplifier circuit according to the present disclosure is provided with: a first transistor which has a drain that is connected to a first node; a second transistor which has a drain that is connected to a second node; a current source...  
WO/2019/141190A1
A method and a device for controlling power supply of a power amplifier, pertaining to the field of communications. The method comprises: upon energization of a power amplifier, converting an input voltage into a gate voltage for supplyi...  
WO/2019/139706A1
A tracker circuit configured to provide a variable supply voltage to a power amplifier (PA) circuit is disclosed. The tracker circuit comprises a predefined state machine circuit comprising a plurality of states mapped in accordance with...  
WO/2019/134702A1
An out-of-phase power amplifier and a method for realizing output matching therefor, comprising: calculating an offset angle of a combiner according to signal power back-off of a signal source, i.e., a signal peak-to-average ratio; deter...  
WO/2019/132757A1
In one aspect, a power amplifier apparatus comprising a power amplifier (PA) and an adaptive controller is provided. The PA comprises at least one transistor and the adaptive controller is configured to control a bias voltage of the tran...  
WO/2019/130608A1
A harmonic processing circuit (33) is provided with: a first feed line (31) that diverges from a signal line through which a signal inputted to and outputted from an amplifier (4) is transmitted; and a first setting unit (32) that is con...  
WO/2019/132821A1
The present invention is an amplifier (100) comprising a first transistor (M1) comprising a source end connected to a first input line (150) connected to a first input signal source (201) for receiving the first half of a first input sig...  
WO/2019/133381A1
One example device for providing wireless power includes a power supply; a power amplifier coupled to the power supply, the power amplifier comprising a first switch and a second switch coupled to the power supply and to a common switch ...  
WO/2019/132790A1
With the present application, a digital outphasing transmitter with high efficiency, is provided. Said outphasing transmitter comprises, at least one decomposition unit (1) for decomposing an input signal to generate a first sub-signal (...  
WO/2019/126351A1
Configurable amplifier systems are described in which the power supply rail of a linear amplifier, e.g., a class A amplifier, is modulated by a switching amplifier, e.g., a class D amplifier, that may also be configured to operate indepe...  
WO/2019/119262A1
A power amplifier is disclosed for amplifying an input signal and providing an amplified signal to a load at a junction node. The power amplifier comprises a splitter network, a carrier amplifier path and a peaking amplifier path. The pe...  
WO/2019/122377A1
A variable gain amplifier for amplifying a differential pair of input voltage signals, comprising a control input for receiving a differential pair of gain control voltage signals, a differential signal input for receiving a differential...  
WO/2019/126193A1
A transmitter may be configured to generate a reference signal having a non-constant envelope for nonlinearity estimation by a receiver. The transmitter may transmit the reference signal. A receiver may be configured to receive, from the...  
WO/2019/117888A1
A multi-feed predistorter circuit associated with a power amplifier (PA) system is disclosed. The multi-feed predistorter circuit comprises one or more processors configured to receive an input signal associated with the PA system. The o...  
WO/2019/118098A1
A high-voltage, high-speed driver circuit that includes a source amplifier having an amplifying FET device with a drain terminal, a gate terminal and a source terminal, where the amplifying FET device receiving a control signal at its ga...  
WO/2019/117933A1
A device for digital envelope tracking with dynamically changing voltage levels for a radio frequency (RF) power amplifier is disclosed. A power management unit generates a set of supply voltages for a power amplifier based on a control ...  
WO/2019/117771A1
A linearization device (380) is disclosed, which is configured to determine pre-distortion parameters associated with a plurality of non-linear amplifiers (331, 332, 333, 334), each associated with a non-linear amplifier characteristic. ...  
WO/2019/114980A1
The invention provides an amplifier (100) for use in an optical communication device. The amplifier (100) comprises an amplifying stage (101), an impedance matching stage (102) connected to the amplifying stage (101), and a voltage contr...  
WO/2019/113113A1
The present disclosure provides an amplifier circuit that includes one or more amplifier stages, each of the one or more amplifier stages including a complementary transistor configuration. The complementary transistor configuration incl...  
WO/2019/112523A1
In the present invention, an active limiting system that is suitable to protect a low noise amplifier (LNA) against the high power signals received from a signal input (Ri) is provided. Said active limiting system comprises, at least one...  
WO/2019/110192A1
A field-effect transistor arrangement (1) is proposed that comprises a field-effect transistor (T) having a back-gate connection (BG) adjustable using a back-gate voltage (VBG), wherein, further, the field-effect transistor (T) has a gat...  
WO/2019/111296A1
An in-band extraction unit (11) is configured to extract an in-band from an output signal (Y3). An out-band extraction unit (12) is configured to extract at least one pair of out-bands including a low frequency side out-band and a high f...  
WO/2019/110154A1
An amplifier comprising a gain stage with a feedback network comprising two ports between which at least three capacitors are connected in series and between each pair of capacitors a resistor is connected to a predetermined voltage. The...  
WO/2019/110327A1
Method, apparatus and arrangement for linearizing of a transmitter array The present invention relates to a method, apparatus and arrangement for linearizing a transmitter array having a plurality of non-linear branches for transmitting ...  
WO/2019/110152A1
An amplifier, such as a Class D amplifier, having one or more feedback loops comprising a path from the input to the primary amplifier input, where the paths comprise a low pass filter and a compensator which is disabled when the primary...  
WO/2019/106826A1
The present invention is configured such that a first I signal passed through a first reverse characteristic circuit (1) having frequency characteristics that are reverse to those of a first loop filter circuit (4) is outputted to the fi...  
WO/2019/107264A1
An amplifying device (1) comprises: an amplifier circuit (40) in which a bias current (iB) flows; a first memory (10) that stores control information for specifying the bias current (iB) flowing in the amplifier circuit (40); a digital c...  
WO/2019/103898A1
Apparatus and methods for quadrature combined Doherty amplifiers are provided herein. In certain embodiments, a separator is used to separate a radio frequency (RF) input signal into a plurality of input signal components that are amplif...  
WO/2019/104325A1
An impedance matching network (116) for a radio frequency (RF) amplifier device (108) includes a baseband termination circuit (122) having reactive components configured to present low impedance to signals in a baseband frequency range t...  
WO/2019/101214A1
Embodiments of the present disclosure provide a protection apparatus for a power amplifier. The protection apparatus includes a detection circuit, a control circuit and a switch circuit. The detection circuit is coupled to a negative pow...  
WO/2019/100751A1
Disclosed in the present invention is a mass spectrometer amplifier capable of continuously adjusting high frequency micro-signals in multiples, comprising an one-stage amplifier, a two-stage amplifier, a first three-stage amplifier, a f...  
WO/2019/099142A1
Certain aspects of the present disclosure provide methods and apparatus for amplifying signals with an amplification circuit. The amplification circuit generally includes a first transistor, an input path coupled between an input node of...  
WO/2019/097609A1
The present invention is configured so as to be provided with a compensation circuit (9): the first end of which is connected to the second end of a first output circuit (7) and the second end of a second output circuit (8); the second e...  
WO/2019/094654A1
One example includes a transconductor system (10). The system (10) includes a first transconductance amplifier (12) that generates a control current in response to a first input voltage. The system (10) also includes a second transconduc...  

Matches 1 - 50 out of 36,468