To solve these problems, this paper presents a high performance, namely low voltage, high linearity and high conversion gain, CMOS direct down conversion mixer for UWB (Ultra Wide Band) system.
Features: High DC current gain, excellent hFE linearity, low saturation voltage.
特点：直流电流增益高，放大线性好，饱和压降低。
3
High efficiency and high linearity space traveling wave tube (TWT) is required for satellite communication system as a high power, high gain microwave amplifier.