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Mostrando ítems 1-10 de 22
Artículo
Super-Gain-Boosted AB-AB Fully Differential Miller Op-Amp With 156dB Open-Loop Gain and 174MV/V MHZ pF/µW Figure of Merit in 130nm CMOS Technology
(Institute of Electrical and Electronics Engineers Inc., 2021-04-12)
A fully differential Miller op-amp with a composite input stage using resistive local common-mode feedback and regulated cascode transistors is presented here. High gain pseudo-differential auxiliary amplifiers are used ...
Artículo
An Op-Amp Approach for Bandpass VGAs With Constant Bandwidth
(IEEE (Institute of Electrical and Electronics Engineers), 2018)
Two approaches to implement variable gain amplifiers based on Miller op-amps are discussed. One has true constant bandwidth while the other has essentially reduced bandwidth variations with varying gain. Servo-loops and ...
Artículo
FVF-Based Low-Dropout Voltage Regulator with Fast Charging/Discharging Paths for Fast Line and Load Regulation
(Electronics and Telecommunications Research Institute (ETRI), 2017-06)
A new internally compensated low drop-out voltage regulator based on the cascoded flipped voltage follower is presented in this paper. Adaptive biasing current and fast charging/discharging paths have been added to ...
Artículo
Low-voltage wide gm adjustable range highly linear bicmos OTA
(2005)
A low distortion low-voltage BiCMOS OTA with wide gm adjustment range and constant input range is presented. It is based on a highly linear voltage-to-current converter input stage merged with translinear loops that implement ...
Artículo
CMOS First-Order All-Pass Filter With 2-Hz Pole Frequency
(IEEE (Institute of Electrical and Electronics Engineers), 2018)
A CMOS fully integrated all-pass filter with an extremely low pole frequency of 2 Hz is introduced in this paper. It has 0.08-dB passband ripple and 0.029-mm 2 Si area. It has 0.38-mW power consumption in strong inversion ...
Artículo
Internally compensated LDO regulator based on the cascoded FVF
(Elsevier, 2014-10)
In this paper, an internally compensated low dropout (LDO) voltage regulator based on the Flipped Voltage Follower (FVF) is proposed. By means of capacitive coupling and dynamic biasing, the transient response to both ...
Artículo
Class AB Voltage Follower and Low-Voltage Current Mirror with Very High Figures of Merit Based on the Flipped Voltage Follower
(MDPI, 2023)
The application of the flipped voltage follower to implement two high-performance circuits is presented: (1) The first is a class AB cascode flipped voltage follower that shows an improved slew rate and an improved ...
Artículo
±0.3V Bulk-Driven Fully Differential Buffer with High Figures of Merit
(MDPI, 2022-09)
A high performance bulk-driven rail-to-rail fully differential buffer operating from ±0.3V supplies in 180 nm CMOS technology is reported. It has a differential–difference input stage and common mode feedback circuits ...
Artículo
Super class AB RFC OTA with adaptive local common-mode feedback
(IET (Institution of Engineering and Technology), 2018)
A super class AB recycling folded cascode operational transconductance amplifier is presented. It employs local common-mode feedback using two matched tuneable active resistors, allowing to adapt the amplifier to different ...
Artículo
Low-voltage tunable pseudo-differential transconductor with high linearity
(2009)
A novel tunable transconductor is presented. Input transistors operate in the triode region to achieve programmable voltage-to-current conversion. These transistors are kept in the triode region by a novel negative ...