Transformer or inductor sharing in a radio frequency amplifier and method therefor
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United States of America Patent
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Jun 9, 2020
Grant Date -
Feb 28, 2019
app pub date -
Jul 27, 2018
filing date -
Aug 30, 2017
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Abstract
A communication unit includes a plurality of parallel radio frequency, RF, signal paths. Located between a first RF signal path of the plurality of parallel RF signal paths comprising at least one first RF amplifier and a second signal path comprising at least one second RF amplifier is one of a shared inductor or shared transformer. The at least one first RF amplifier is coupled to a supply voltage via a first switch and at least one second RF amplifier is coupled to the supply voltage via a second switch, and the first switch is closed that provides the supply voltage to the at least one second RF amplifier whilst the second switch is opened.
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