Power source supply circuit, amplifier, communication device, base station, and power source supply method
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United States of America Patent
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Jul 23, 2019
Grant Date -
Jan 25, 2018
app pub date -
Jan 5, 2016
filing date -
Feb 6, 2015
priority date (Note) -
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Abstract
A power source supply circuit includes: a plurality of power sources (11-1, 11-2) that generate power source voltages different from each other; a switch circuit (14) that switches and outputs the power source voltages generated in the plurality of power sources (11-1, 11-2); a voltage output terminal (16) that outputs outside the power source voltages output from the switch circuit (14); an RF choke circuit (15) provided between the switch circuit (14) and the voltage output terminal (16), the RF choke circuit (15) including a first capacitor; and a second capacitor (12-1, 12-2) provided between the plurality of power sources (11-1, 11-2) and the switch circuit (14), the second capacitor (12-1, 12-2) having a larger capacitance than the first capacitor.
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