Method and arrangement in a mobile communication system
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United States of America Patent
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Feb 18, 2014
Grant Date -
May 24, 2012
app pub date -
Sep 15, 2009
filing date -
Sep 15, 2009
priority date (Note) -
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Abstract
The present invention relates to an amplifier circuit where a load modulation is applied to a segmented amplifier. This will reduce the shunt loss since the loss of a segmented amplifier is reduced by allowing each amplifier segment or combination of segments to operate to their full output power capacity, rather than limited to a lower output power which results in a higher shunt loss. Hence, operation to full capacity before adding more segments is made possible by dynamically modulating the load.
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