该运算放大器主要由三个折叠式共源共栅结构的运放、一个偏置电路和一个共模反馈电路组成。
CP电路中采用宽摆幅共源共栅电流源，增大了VCO控制电压范围；
采用低压折叠式共源一共栅输入级结构，使其具有较大的输出摆幅；
1·In this paper, the traditional cascode structure of CMOS LNA is considered as a two-stage amplifier and inter-stage matching network is introduced accordingly.
本文也对CMOS低噪声放大器进行了分析，将传统共源共栅结构看作二级放大器级联形式，并由此引入级间匹配网络。
2·The transimpedance amplifier (tia) takes a fully differential configuration, feedback oscillation technique, and regulated cascode (RGC) input stage for bandwidth enhancement.
跨阻放大器(TIA)采用全差分结构，利用震荡反馈技术和可调节共源共栅(RGC)结构来增加其带宽。
3·A cascode operational transconductance amplifier (OTA) is designed, which was integrated into an ultra-low power LDO regulator chip.
设计了一个共源共栅运算跨导放大器，并成功地将其应用在一款超低功耗ld O线性稳压器芯片中。