US Patent 7411449 Composite power amplifier
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Patent Inventor Names
Mats Klingberg0
Richard Hellberg0
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Patent abstract
A PAMELA-type of composite power amplifier is configured in such a way that a single power amplifier is operated at low output voltage amplitudes by prohibiting a pair of outphasing power amplifiers to produce any current. Preferably, at output voltage amplitudes above the maximum voltage of the single power amplifier is to be reached, the pair of outphasing power amplifiers is taken into operation providing currents phase shifted by substantially 180 degrees. When also the outphasing power amplifiers reach their maximum voltages, an outphasing operation is performed.
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US Patent 07411449 Composite power amplifier US Patent 7411449 Composite power amplifier
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Patent Number
074114490
Patent Number
74114490
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Patent Jurisdiction
Patent Number
074114490
Date of Patent
August 12, 2008
0Patent Application Number
105951690
Date Filed
September 21, 2004
0Official Website
Patent Primary Examiner
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US Patent 07411449 Composite power amplifier
Infobox
Is a
Patent jurisdiction
Patent number
07411449
Date of patent
August 12, 2008
Patent application number
10595169
Date Filed
September 21, 2004
Patent primary examiner
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