Oscillating diffusion‐encoding with a high gradient‐amplitude and high slew‐rate head‐only gradient for human brain imaging
Sign Up to like & getrecommendations! Published in 2020 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.28180
Abstract: We investigate the importance of high gradient‐amplitude and high slew‐rate on oscillating gradient spin echo (OGSE) diffusion imaging for human brain imaging and evaluate human brain imaging with OGSE on the MAGNUS head‐gradient insert (200… read more here.
Keywords: gradient; slew rate; brain imaging; human brain ... See more keywords
Design of a power efficient, high slew rate and gain boosted improved recycling folded cascode amplifier with adaptive biasing technique
Sign Up to like & getrecommendations! Published in 2017 at "Microsystem Technologies"
DOI: 10.1007/s00542-016-2969-1
Abstract: This paper presents an adaptive Improved Recycling Folded Cascode (IRFC) amplifier with improved gain, high slew rate, high phase margin and reduced power consumption. The proposed design is implemented using 180 nm technology with a supply… read more here.
Keywords: cascode amplifier; slew rate; cascode; recycling folded ... See more keywords
Simultaneous optimization of radio frequency and gradient waveforms with exact Hessians and slew rate constraints applied to kT-points excitation.
Sign Up to like & getrecommendations! Published in 2021 at "Journal of magnetic resonance"
DOI: 10.1016/j.jmr.2021.106941
Abstract: We consider an excitation pulse with piecewise constant gradient trajectories and radio frequency (RF) waveforms such that the solution of the Bloch equations without relaxation terms can be represented by rotations. Based on this analytic… read more here.
Keywords: rate constraints; slew rate; radio frequency; gradient ... See more keywords
Operational Transconductance Amplifier With Class-B Slew-Rate Boosting for Fast High-Performance Switched-Capacitor Circuits
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Circuits and Systems I: Regular Papers"
DOI: 10.1109/tcsi.2018.2852273
Abstract: In this paper, a technique for slew-rate (SR) boosting suitable for switched-capacitor circuits is proposed. The proposed technique makes use of a class-B auxiliary amplifier that generates a compensating current only when high SR is… read more here.
Keywords: switched capacitor; rate boosting; class; slew rate ... See more keywords
A Dynamic Leakage and Slew Rate Compensation Circuit for 40-nm CMOS Mixed-Voltage Output Buffer
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Very Large Scale Integration (VLSI) Systems"
DOI: 10.1109/tvlsi.2017.2736782
Abstract: This paper proposes a 40-nm CMOS $2 \times {\mathrm{ VDD}}$ buffer with slew rate (SR) variation compensated and dynamic leakage reduction during signal transitions. By using the dual variation detectors, five process corners for both… read more here.
Keywords: tex math; slew rate; dynamic leakage; inline formula ... See more keywords
A 0.3 V Rail-to-Rail Ultra-Low-Power OTA with Improved Bandwidth and Slew Rate
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Low Power Electronics and Applications"
DOI: 10.3390/jlpea11020019
Abstract: In this paper, we present a novel operational transconductance amplifier (OTA) topology based on a dual-path body-driven input stage that exploits a body-driven current mirror-active load and targets ultra-low-power (ULP) and ultra-low-voltage (ULV) applications, such… read more here.
Keywords: low power; ultra low; rail rail; rail ... See more keywords