Matching device, transmitting amplifier, and wireless communication device
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United States of America Patent
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Sep 8, 2015
Grant Date -
Nov 28, 2013
app pub date -
Jul 30, 2013
filing date -
Jan 31, 2011
priority date (Note) -
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Abstract
A first signal path has one or a plurality of coils arranged in series, the coils being connected to the output of a first amplifier. A second signal path has the same number of coils as the coils of the first signal path, the coils being arranged in series and connected to the output of a second amplifier. Coupling paths have capacitors and couple the first signal path and the second signal path at both ends of the corresponding coils on the first signal path and the second signal path. A SW controlling unit switches a switch to a contact when a signal is input from the first amplifier and switches the switch to a contact when a signal is input from the second amplifier.
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