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2013
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Invention
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Interference suppression for switched mode power supply with error correction. The invention rela... |
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Invention
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Dynamic characterisation of amplifier using multiple envelope shaping functions. There is disclos... |
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Invention
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Determination of envelope shaping and signal path predistortion of an et amplification stage usin... |
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Invention
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Crest factor reduction applied to shaping table to increase power amplifier efficiency of envelop... |
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Invention
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Pre-distortion in rf path in combination with shaping table in envelope path for envelope trackin... |
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2012
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Invention
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Apparatus and methods for voltage converters. Apparatus and methods for voltage converters are pr... |
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Invention
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Envelope tracking power amplifier with low impedance supply feed. There is disclosed a supply fee... |
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Invention
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Envelope tracking push-pull or differential power amplifier. There is disclosed a power amplifier... |
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Invention
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Asynchronous switch mode supply. There is disclosed an asynchronous switch mode power supply comp... |
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Invention
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Envelope tracking system for mimo. There is disclosed an amplifier arrangement comprising a plura... |
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Invention
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Time alignment for an amplification stage. A method of calibrating a polar amplification stage in... |
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Invention
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Envelope path processing for envelope tracking amplification stage. The invention relates to an a... |
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Invention
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Time and amplitude alignment in envelope tracking amplification stage. The invention relates to a... |
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Invention
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Power control. There is provided an amplification stage comprising: an input scaling block (218, ... |
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Invention
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Control of cross-over point. There is provided an output stage comprising: a phase splitter for r... |
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Invention
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Apparatus and methods for envelope tracking calibration. Apparatus and methods for envelope track... |
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2011
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Invention
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Switch mode power supply for envelope tracking. There is disclosed an envelope tracked power supp... |
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Invention
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Improved performance of off-chip connection for power amplifier. There is provided an integrated ... |
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Invention
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Improved crossover performance of power amplifier. There is provided an amplifier arrangement com... |
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Invention
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Power supply pre-distortion. There is disclosed a method of generating a supply voltage (230) for... |
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Invention
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Switched arrangement for switched mode supply. There is disclosed a switching stage comprising: a... |
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Invention
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Timing alignment for modulated supply. There is disclosed a method, in an amplifier stage compris... |
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Invention
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Efficient supply voltage. There is disclosed an arrangement comprising: a driver stage connected ... |
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2010
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Invention
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Parallel correction amplifier. There is disclosed a power supply stage, and a method of controlli... |
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Invention
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Control of multi-level supply stage. There is described a buck-boost converter comprising: a volt... |
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2009
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Invention
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Generation of pre-distortion coefficients. There is disclosed a method for generating pre-emphasi... |
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Invention
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Power supply arrangement for multi-stage amplifier. There is disclosed a multi-stage amplifier co... |
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Invention
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Improved power supply stage. There is described a method of generating a power supply tracking a ... |
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Invention
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Printed circuit board with co-planar plate and method of manufacturing therefor. There is disclos... |
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Invention
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Single inductor multiple output converter. There is disclosed a buck-boost converter comprising a... |
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Invention
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Modulated supply stage with feedback to switched supply. There is disclosed a voltage supply stag... |
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Invention
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Improved pulse width modulation. There is disclosed a method and apparatus for generating, in an ... |
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Invention
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Multi-stage amplifier. There is disclosed a power supply stage, and a corresponding method, compr... |
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Invention
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Improved filter for switched mode power supply. There is provided a filter for receiving a rectan... |
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Invention
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Transformer based voltage combiner with inductive shunt. In accordance with the invention there i... |
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Invention
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Improved control loop for amplification stage. There is disclosed a method and apparatus for gene... |
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2007
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Invention
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Joint optimisation of supply and bias modulation. A radio frequency amplifier system is disclosed... |
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2005
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Invention
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High efficiency variable voltage supply. There is disclosed a power supply stage (202), comprisin... |
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Invention
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Power amplifier with stabilising network. A stabilising circuit (530) is connected to the output ... |
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2004
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Invention
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Transformer based voltage supply. There is disclosed a voltage summer including a transformer hav... |
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2003
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Invention
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High efficiency amplification. There is disclosed a radio frequency amplification stage comprisin... |
