Results 241 to 250 of about 1,664 (293)

An integrated MOS magnetic sensor with chopper-stabilized amplifier

, 1996
Shoji Kawahito, Kohji Hayakawa, Yoshinori Matsumoto, Mákoto Ishida, Yoshiaki Tadokoro   +4 more
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Generalization of the principle of chopper stabilization

IEEE Transactions on Circuits and Systems Part 1: Regular Papers, 2003
The concept of traditional chopper-stabilized amplifiers is extended to general linear dynamical and certain types of nonlinear circuits. Simulation results are given to confirm the theory.
Y P Tsividis
exaly   +2 more sources

CMOS amplifier with Chopper Stabilization and Offset Calibration

2020 IEEE Conference of Russian Young Researchers in Electrical and Electronic Engineering (EIConRus), 2020
A high-precision CMOS amplifier architecture is presented. The proposed architecture features chopper stabilization, as well as means to calibrate its zero offset. The simulation results are confirmed by experimental measurements of silicone devices.
Yuriy Agrich, Vadim Lifshits, Yuriy Pavlyuk, Ilya Gureev, Daniil Vorobyev   +4 more
exaly   +2 more sources

Generalized chopper stabilization [PDF]

ISCAS 2001. The 2001 IEEE International Symposium on Circuits and Systems (Cat. No.01CH37196), 2002
The concept of traditional chopper-stabilized amplifiers is extended to linear dynamical and certain types of nonlinear circuits. Simulation results are given to confirm the theory.
László Tóth 0007, Yannis P. Tsividis
openaire   +2 more sources

Bidirectional current conveyer with chopper stabilization and dynamic element matching

2012 IEEE International Symposium on Circuits and Systems, 2012
A compact and accurate current conveyer for interfacing with a three-electrode electrochemical sensor is presented. It employs chopper stabilization to reduce transistor sizes for a given flicker noise. A current-copying circuit generates a mirror image of the sensor current for bidirectional conveying. It employs dynamic element matching to remove the
Roman Genov
exaly   +2 more sources

Radiation Hardening of Voltage References Using Chopper Stabilization

IEEE Transactions on Nuclear Science, 2015
A technique for enhancing the precision of voltage references in an ionizing radiation environment is presented. Radiation-induced mismatch is identified as a fundamental source of error in voltage reference topologies, and chopper offset cancellation is used to mitigate the effect.
W T Holman, J S Kauppila, T D Loveless
exaly   +2 more sources

Nested chopper stabilization in analog multipliers and mixers [PDF]

, 2008
We describe a general offset-cancelling architecture for analog multiplication using chopper stabilization. Chopping is used to modulate the offset away the output signal where it can be easily filtered out, providing continuous offset reduction which is insensitive to drift.
Godoy, Philip (Philip Andrew)
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Analysis and Simulation of Chopper Stabilization Techniques Applied to Delta-Sigma Converters [PDF]

2018 15th International Conference on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design (SMACD), 2018
MATLAB/Simulink modeling of offset and flicker noise in Delta-Sigma modulators has been developed, providing a fast tool for the estimation of ADC performances. Since high accuracy and resolution are fundamental in sensor applications, a brief analysis of the main noise sources in second order Delta-Sigma modulators is presented, together with the ...
Catania, A., Ria, A., Del Cesta, S., Piotto, M., Bruschi, P.   +4 more
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A CMOS Chopper Offset-Stabilized Opamp

IEEE Journal of Solid-State Circuits, 2006
In this paper we introduce an offset-stabilized operational amplifier that uses a chopper amplifier in a low frequency path to cancel the offset of a wide-bandwidth amplifier. A sample-and-hold circuit is used to reduce the chopper ripple, and the low frequency path is also offset-stabilized to further reduce the residual offset. The amplifier has 1muV
Johan F. Witte, Kofi A. A. Makinwa, Johan H. Huijsing   +2 more
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Chopper-stabilized sigma-delta modulator

1993 IEEE International Symposium on Circuits and Systems, 2002
A new architecture of the sigma-dela modulators using a chopper-stabilized configuration is described. It is shown that using this new architecture and without any other circuit techniques, a sigma-delta modulator becomes immune from the contamination of the inherent low-frequency noise, such as offset noise, flicker noise, and clock feedthrough noise.
Ying-Hwi Chang, Chung-Yu Wu, Tsai-Chung Yu   +2 more
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