Power amplifiers coupled in series
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United States of America Patent
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Dec 13, 2016
Grant Date -
Jul 7, 2016
app pub date -
Jan 5, 2015
filing date -
Jan 5, 2015
priority date (Note) -
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Abstract
A power amplifier system is disclosed, the power amplifier system comprising two power supplies, four amplifier half-bridges arranged as two amplifier full bridges, and an audio processor for establishing control signals for the amplifier full-bridges, where the audio processor and one of the power supplies share a common ground potential, whereas the other power supply has a floating ground; wherein both the amplifier with common ground and the amplifier with floating ground have an amplifier interconnection output and an amplifier output, and wherein the amplifier interconnection outputs are connected, and a load is connected to the amplifier outputs. Further are disclosed amplification methods and PA systems correspondingly.
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