There is provided a power amplifier including an amplifying unit having at least two cascode amplifiers connected in parallel to amplify an input signal; and a bias supply unit supplying bias power to a common gate node of the two cascode amplifiers, and removing a signal of a pre-set frequency band corresponding to a baseband at the common gate node by controlling impedance of the common gate node.
申请公布号
US8633771(B2)
申请公布日期
2014.01.21
申请号
US201113272882
申请日期
2011.10.13
申请人
KOO BON HOON;JO BYEONG HAK;SON KI YONG;NA YOO SAM;HONG SONG CHEOL;SAMSUNG ELECTRO-MECHANICS CO., LTD.;KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
发明人
KOO BON HOON;JO BYEONG HAK;SON KI YONG;NA YOO SAM;HONG SONG CHEOL