INTEGRATED CIRCUIT WIRELESS COMMUNICATION UNIT AND METHOD FOR PROVIDING A POWER SUPPLY

An integrated circuit comprises a radio frequency (RF) power amplifier (PA) output stage; at least one amplifier stage prior to the RF PA output stage; a linear amplifier comprising a voltage feedback wherein the linear amplifier is operably coupled to a low frequency supply module such that the lin...

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Bibliographic Details
Main Authors STRANGE JONATHAN RICHARD, FOWERS PAUL
Format Patent
LanguageEnglish
Published 11.12.2014
Subjects
AMPLIFIERS
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
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Summary:An integrated circuit comprises a radio frequency (RF) power amplifier (PA) output stage; at least one amplifier stage prior to the RF PA output stage; a linear amplifier comprising a voltage feedback wherein the linear amplifier is operably coupled to a low frequency supply module such that the linear amplifier and low frequency supply module provide a combined first power supply to the RF PA output stage; and a switched mode power supply module arranged to provide a second power supply to the linear amplifier and to the at least one amplifier stage prior to the RF PA output stage.
Bibliography:Application Number: US201414306214