Transmission power controller
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United States of America Patent
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-
Jul 9, 2002
Grant Date -
N/A
app pub date -
Jan 5, 1999
filing date -
Jan 5, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A transmission power controller includes a transmission amplifier located in a first station and having an adjustable gain. The transmission amplifier controls the power transmitted from the first station to a second station in accordance with a power control information signal transmitted from the second station. The transmission power controller comprises a power control information extracting circuit, and up/down decision circuit, and a filter interposed between the up/down decision circuit and the transmission amplifier. The filter extracts low frequency band components from sequential output signals of the up/down decision circuit, generates command signals, and applies the command signals to the transmission amplifier to control the gain of the transmission amplifier.
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