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Mostrando ítems 1-10 de 27
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
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 ...
Ponencia
Rail-to-rail class AB CMOS tunable transconductor with -52dB IM3 at 1MHz
(2009)
A novel CMOS tunable transconductor is presented. The circuit operates in classAB hence featuring power efficiency. The internal feedback employed and the use of a linearized triode transistor for voltage-to-current ...
Ponencia
Tunable class AB CMOS Gm-C channel filter for a bluetooth zero-IF receiver
(2009)
A novel tunable third order low-pass Gm-C filter is introduced. Programmable transconductors operating in class AB have been used for its implementation hence featuring low quiescent power consumption. The operation in ...
Ponencia
New high performance second generation CMOS current conveyor
(2009)
A new high performance second-generation CMOS current conveyor architecture is presented. It is built using a differential flipped voltage follower as its input buffer stage and a cascode current mirror as output stage. ...
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
±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 ...
Ponencia
Rail to Rail Fully Differential Track and Hold Based on Clocked Differential Difference Amplifier Using Resistive Local Common Mode Feedback
(2008-11)
An efficient clocked class AB fully differential rail to rail differential difference amplifier is introduced. It is based on a two stage operational amplifier architecture with resistive local common mode feedback, floating ...