Signal power dynamic range compressing circuit and power amplifier using the same
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United States of America Patent
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-
Sep 16, 2003
Grant Date -
Jul 5, 2001
app pub date -
Dec 28, 2000
filing date -
Dec 28, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
In an input signal power dynamic range compressing circuit, an input signal is distributed by a directional coupler to a linear signal transfer path and a compressing signal generating path, and in the compressing signal generating path a compressing signal, which keeps the peak-to-average-power ratio of the input signal below a predetermined value, is generated from the input signal. The compressing signal is combined by a power combiner with the input signal having passed through the linear signal transfer path.
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