POWER AMPLIFICATION DEVICE AND TELEVISION SIGNAL TRANSMISSION SYSTEM
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United States of America Patent
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May 21, 2020
app pub date -
Jan 27, 2020
filing date -
Jun 8, 2015
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Abstract
A power amplification device capable of detaching an element relating to the power amplification of an RF signal from an element relating to the combining of RF signals. The amplifying unit is provided with a plurality of groups of amplifier circuits that amplifies the power of a RF signal and the plurality of groups of amplifier circuits each includes a predetermined number of the amplifier circuits. A combining unit includes a first combiner and a second combiner. The first combiner is provided in association with the group of the amplifier circuits, combines RF signals output from the amplifier circuits belonging to the corresponding group, and outputs the RF signal after combining. The second combiner combines the RF signals output from each first combiner and outputs the RF signal after combining. The amplifying unit is attachable to and detachable from the combining unit.
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