Sughrue Mion, PLLC
Supply modulating circuit including switching circuit and wireless communication device including the supply modulating circuit
A communication circuit, including a first supply modulator configured to provide a first supply voltage; a first power amplifier configured to generate a first output signal by amplifying a first input signal corresponding to a first operation frequency band; a second power amplifier configured to generate a second output signal by amplifying a second input signal corresponding to a second operation frequency band; and a switching circuit configured to selectively provide the first supply voltage from the first supply modulator to the second power amplifier based on a first switching signal according to an operation mode.
SAMSUNG ELECTRONICS CO., LTD.
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Junsuk Jiseon Dongsu Youngho
Bang Paek Kim Jung