Biasing circuit for a class-AB Miller CMOS operational amplifier generating a first biasing voltage (VB1) for a MOS transistor (M5) determining the current through an operational amplifier input stage (M1 . . . M5), as well as a second biasing voltage (VB1C) for a MOS- transistor (M8)...
A 1-mW Class-AB Amplifier With -101 dB THD+N for High-Fidelity 16 Headphones in 65-nm CMOS 与常用的 class-ab biasing 不同,论文中提出了 cascode-drive class-ab biasing 的方法,如下图所示。这里主要是通过 cascode 结构将前面 gm 级的输出和输出级的 gate 隔离开,这样即使在运放输出信号幅度比较...
doi:10.1080/21681724.2017.1376710Akbari, MeysamHashemipour, OmidInternational Journal of ElectronicsM. Akbari, and O. Hashemipour, "A super class-AB adaptive biasing amplifier in 65-nm CMOS technology," International Journal of Electronics Letters, pp. 1-13, 2017....
In this work, variation in threshold voltage is optimized for tunable body biasing CMOS power amplifier (PA). A two stage tunable biasing circuit is designed and integrated with class AB PA which improves variability in threshold voltage. Three most popular materials gallium arsenide, silicon and ...
The proposed fully differential class-AB OTA, exploiting the adaptive biasing technique and a class-AB CMFB, has been designed and simulated in 0.13-μm CMOS technology by STMicroelectronics. Table 1 reports the sizes for all the devices, with reference to Fig. 4 (main amplifier with adaptive...
A high slew-rate push–pull output amplifier for low-quiescent current low-dropout regulators with transient-response improvement IEEE Trans. Circuits Syst. II (2007) LamY.-H. et al. A 0.9 V 0.35 μm adaptively biased CMOS LDO regulator with fast transient response OrP.Y. et al. An output...
关键词: Amplifiers (electronic); CMOS integrated circuits; Drain current; Integrated circuit design; Noise figure; 60 GHz; Forward body bias; Forward body biasing; Gain variability; LNA design; Low noise amplifier designs; Low noise figure; Minimum noise figure; Low noise amplifiers; ...
Torralba A et al: “Class AB Output Stages for Low Voltage CMOS Opamps with Accurate Quiescent Current Control by Means of Dynamic Biasing” Analog Integrated Circuits and Signal Processing, Kluwer Academic Publishers, BO, vol. 36, No. 1-2, Jul. 1, 2003, pp. 69-77, XP019203877 ISSN: ...
专利名称：ACTIVE BIASING CONTROL FOR CLASS-AB CMOS OPERATIONAL AMPLIFIERS 发明人：SEESINK, Petrus, Hendrikus,POST, Reinder, Lulof 申请号：EP92920513.0 申请日：19920903 公开号：EP0605570A1 公开日：19940713 专利内容由知识产权出版社提供 摘要： bias circuit for CMOS operational amplifier of class AB ...
a cmos operational amplifier circuit for class ab biasing miller producing a first bias voltage (vb1) for a mos transistor (m5) for determining the current passing through the input stage of the operational amplifier (m1,.m5), and a second bias voltage (vb1c) for a mos transistor (m8) ...