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AmplifiersBelow are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application. 06/11/2015 > patent applications in patent subcategories.
06/04/2015 > patent applications in patent subcategories.
05/28/2015 > 13 patent applications in 9 patent subcategories.
20150145594 - Overstress management for power amplifiers: A power amplifier includes an amplifier element and overstress management circuitry coupled to the amplifier element. The overstress management circuitry is configured to detect an overstress condition of the amplifier element and adjust one or more operating parameters of the amplifier element in response to the detection of an overstress... Agent:
20150145595 - System linearization assembly and method for use in modifying distortion components: A system linearization assembly generally includes a filter that is coupled to a measuring device. The filter is configured to receive a signal that includes a time varying parameter representing a plurality of frequency components including at least one component caused by non-linear intermodulation distortion, such as an odd-order intermodulation... Agent: The Aerospace Corporation
20150145596 - Adaptive biasing scheme for an amplifier: There is provided a bias arrangement for an amplifier adapted to amplify a varying input signal, the arrangement comprising a control circuit arranged to adaptively vary a bias current to the amplifier in dependence on an envelope of the varying input signal.... Agent:
20150145597 - Multi-stage transimpedance amplifier and a method of using the same: A multi-stage transimpedance amplifier (TIA) which includes a common gate amplifier configured to receive a current signal, the common gate amplifier is configured to convert the current signal into an amplified voltage signal. The multi-stage TIA further includes a capacitive degeneration amplifier configured to receive the amplified voltage signal, the... Agent: Taiwan Semiconductor Manufacturing Company, Ltd.
20150145598 - Amplifier circuit: An amplifier circuit with at least one basic transistor, at least one load transistor, and at least one impedance element, the basic transistor being connected to the impedance element and the load transistor, an amplifier input and output, the amplifier input being connected to the gate contact of the basic... Agent: Fraunhofer-gesellschaft Zur Fö Rderung Der Angewandten Forschung E.v.
20150145599 - Radio frequency signal amplifying system: A radio frequency signal amplifying system includes an amplifier having an input terminal and an output terminal, an attenuator electrically connected to the input terminal of the amplifier, a peak power detecting module configured to apply a peak power attenuation signal to the attenuator by taking a peak power level... Agent: Microelectronics Technology, Inc.
20150145602 - Broadband rf power amplifier with active load modulation: An apparatus includes a main amplifier core and auxiliary amplifier core(s), an input signal splitter connected to inputs of the main amplifier core and the auxiliary amplifier core(s), and an output combiner connected to outputs of the main amplifier core and an the auxiliary amplifier core(s). The input signal splitter... Agent: Nokia Solutions And Networks Oy
20150145600 - Circuits and methods for power amplification with extended high efficiency: The present disclosure includes circuits and methods for power amplifiers. In one embodiment, a main and peaking amplifier receive dynamic power supply voltages to operate an RF power amplifier in a high efficiency range for a particular output voltage. The power supply voltages may be changed based on an output... Agent: Qualcomm Incorporated
20150145601 - Doherty amplifier: The invention relates to a Doherty amplifier for amplifying an input signal at an operating frequency, comprising: a main amplifier; a first peak amplifier; a second peak amplifier, each of the amplifiers comprising an input for receiving the input signal and an output for providing an amplified signal, a plurality... Agent:
20150145604 - High efficiency radio frequency power amplifier circuitry with reduced distortion: Radio frequency power amplifier circuitry includes an amplifier element, power supply modulation circuitry, and bias modulation circuitry. The amplifier element is configured to amplify an RF input signal using a modulated power supply signal and a modulated bias signal to produce an RF output signal. The power supply modulation circuitry... Agent:
20150145603 - System linearization assembly and method for use in modifying distortion components: A system linearization assembly generally includes a delay device that receives an input signal from a signal source and delays the input signal by a predetermined delay function. An attenuation device receives a modified output signal from a signal modifying device, wherein the output signal is based on the input... Agent: The Aerospace Corporation
20150145606 - Power amplifier: A power amplifier may include a first amplifying unit receiving a first bias signal to amplify a power level of an input signal; an envelope detecting unit detecting an envelope of the input signal; a comparing circuit unit comparing a peak value of the detected envelope with a preset reference... Agent: Samsung Electro-mechanics Co., Ltd.
20150145605 - Wireless communication device: Peak information about an envelope of a high frequency signal extracted from an output of a high frequency power amplifier (101) and information about a power supply voltage applied to the high frequency power amplifier (101) are detected. In order to suppress HCI degradation based on an additional value that... Agent:05/21/2015 > 11 patent applications in 9 patent subcategories.
20150137884 - Amplifier circuit: An amplifier circuit is disclosed comprising: an input terminal configured to receive a radio frequency input signal; an output terminal configured to provide a radio frequency output signal; a first transistor having a first collector, a first emitter, and a first base; a second transistor having a second collector, a... Agent:
20150137885 - Dual path rf amplifier circuit: A dual path RF amplifier circuit including two or more amplifiers that are configurable as to any combination of class of operation, biasing, and power ratio to achieve a desired power curve for the amplifier circuit. In one example, an RF amplifier circuit includes an input coupler that generates at... Agent:
20150137886 - Power supply device, transmission device using same, and method for operating power supply device: A power supply device includes a switching amplification unit that supplies power to a load, a linear amplification unit that corrects an output voltage applied to the load according to an input signal, and a power supply control unit that controls the power supply of the linear amplification unit according... Agent: Nec Corporation
20150137887 - Rail-to-rail line driver using differential cascode bootstraping: Aspects of rail-to-rail line drivers using differential cascode bootstrapping are described. In one embodiment, a differential line driver includes first and second differential driver output legs. The first output leg includes a first p-type cascode stack and a first n-type cascode stack, and the second output leg includes a second... Agent:
20150137888 - Input clamping structure for sound quality improvement in car-radio class-ab power amplifier design: A clamping circuit for a class AB amplifier includes a reference voltage circuit, four NPN Darlington transistors having inputs coupled to the reference voltage circuit, and outputs for providing four clamped voltages and a split NPN Darlington transistor having an input coupled to the reference voltage circuit, and four separate... Agent:
20150137890 - Devices and methods for improving yield of scalable periphery amplifiers: Device and methods for improving consistency of operation and therefore yield of sealable periphery amplifiers is described, Amplifier size of the scalable periphery architecture can be adjusted to obtain part-to-part consistency of operating performance as per a defined/desired set of criteria. Amplifier segments of the scalable periphery architecture can be... Agent: Peregrine Semiconductor Corporation
20150137889 - Devices and methods for increasing reliability of scalable periphery amplifiers: Devices and methods for improving reliability of sealable periphery amplifiers is described. Amplifier segments of the sealable periphery architecture can be rotated to distribute wear. Further, extra amplifier segments can be implemented on amplifier dies to extend the overall lifetime of amplifiers.... Agent: Peregrine Semiconductor Corporation
20150137891 - Multi-mode power amplifier and mobile communication terminal having the same: A multi-mode power amplifier comprises a regulation control circuit, an AMP 1, a demultiplexer, an AMP 2, a low power output matching circuit, a medium power output matching circuit, and a high power output matching circuit. In low power mode, the regulation control circuit controls AMP 1 to work in... Agent: China Uni-chip Technologies Inc.
20150137892 - Polarity-switching amplifier circuit: A polarity-switching amplifier circuit includes: a first amplifying transistor and a second amplifying transistor, a transformer which includes a primary winding and a secondary winding, and a polarity-switching controller. An unbalanced input signal is input to the first amplifying transistor and the second amplifying transistor. The transformer receives an output... Agent: Panasonic Intellectual Property Management Co., Lt D.
20150137893 - Parallel correction amplifier: A power supply stage and a method of controlling the same comprising: a means for generating an intermediate supply signal in dependence on a reference signal representing a desired power supply; and a plurality of adjusting means, each adapted to generate an adjusted supply signal tracking the reference signal, in... Agent:
20150137894 - Rf power amplifier and operating method thereof: A multiband RF power amplifier includes a first band RF amplifier circuit, a second band RF amplifier circuit and a second band power detection circuit. The second band RF amplifier circuit subjects an RF input signal having a frequency band to power amplification and generates an RF amplifier output signal.... Agent:Previous industry: Demodulators
Next industry: Oscillators
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