The present invention relates to a power amplifier comprising a bias circuit unit generating bias voltage of an amplification unit; a voltage drop unit dropping the bias voltage to a base voltage by being formed between the bias circuit unit and the amplification unit; and a bypass circuit unit which includes an impedance element connected to the voltage drop unit in parallel and performs a switching operation according to the size of an input signal.
申请公布号
KR20140064178(A)
申请公布日期
2014.05.28
申请号
KR20120131207
申请日期
2012.11.19
申请人
SAMSUNG ELECTRO-MECHANICS CO., LTD.
发明人
WON, JUN GOO;KIM, YOUN SUK;SONG, YOUNG JEAN;KIM, KI JOONG;HAN, MYEONG WOO;IIZUKA SHINICHI;PARK, JU YOUNG