A Highly Linear Two-Stage Amplifier Integrated Circuit Using InGaP/GaAs HBT. - Kyunggon Choi; Min-Su Kim; Hyungchul Kim; Sung-Chan Jung; Jaeyong Cho; Sungchul Yoo; Yong Hwan Kim; Hyungmo Yoo; Youngoo Yang (IEEE J. Solid State Circuits, 2010)