Results 71 to 80 of about 131,587 (184)

Low-power amplifier chopper stabilization for a digital-to-analog converter [PDF]

open access: yes, 2008
Includes bibliographical references (p. 59).Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2008.Modern portable media devices demand low-power and low-noise performance from the internal ...
Jordy, Keith (Keith M.)
core  

Design of an SAR-Assisted Offset-Calibrated Chopper CFIA for High-Precision 4–20 mA Transmitter Front Ends

open access: yesApplied Sciences
In loop-powered 4–20 mA transmitter systems, sensors like temperature, pressure, flow, and gas sensors are chosen based on specific application requirements.
Jian Ren   +5 more
doaj   +1 more source

A 250 °C Low-Power, Low-Temperature-Drift Offset Chopper-Stabilized Operational Amplifier with an SC Notch Filter for High-Temperature Applications

open access: yesApplied Sciences
This paper proposes a three-stage op amp based on the SOI (silicon-on-insulator) process, which achieves a low offset voltage and temperature coefficient across a wide temperature range from −40 °C to 250 °C.
Zhong Yang   +5 more
doaj   +1 more source

Design of a chopper-stabilized multipath operational amplifier

open access: yes
The main content of this work is the theoretical and practical design of the chosen topology of the chopper-stabilized operational amplifier. The introductory part of the diploma thesis focuses on the theory of noise, offset and drift.
Mrázek, Petr
core  

A Wideband Current Amplifier with DC-offset Cancellation Utilizing Chopper Modulation

open access: yes, 2019
A wideband current amplifier with DC-offset cancellation utilizing chopper modulation is proposed. Combining series–series feedback with backgate driven choppers, a wideband current amplifier with DC-offset cancellation is realized.
Horng-Yuan Shih; Yu-Chuan Chang; Cheng-Wei Yang
core   +1 more source

A 1.1uW 2.1uVrms Input Noise Chopper Amplifier for Biomedical Applications [PDF]

open access: yes, 2012
Thesis (Master's)--University of Washington, 2012Micropower amplifiers for neural sensing and other biosignals are becoming increasingly relevant in cutting edge biomedical research.
Mandic, Christopher John
core  

A chopper modulated low noise instrumentation amplifier for MEMS thermal sensors interfacing

open access: yes, 2011
A CMOS instrumentation amplifier for interfacing integrated thermal sensors is proposed. It is based on a Gm-C 2nd order low pass filter, and exploits chopper modulation to improve its performances in terms of offset and low frequency noise.
Massimo Piotto   +8 more
core   +1 more source

A Fast 650V Chopper Driver

open access: yes, 2010
In the framework of Linac4 and the Superconducting Proton Linac (SPL) studies at CERN, the design for a beam chopper has been carried out . This paper describes a new chopper driver amplifier providing 650 V on 50 Ω with fronts of about 2 ns and a ...
Paoluzzi, Mauro
core  

A Capacitively-Coupled Chopper Instrumentation Amplifier for Implantable Bridge Sensor Systems

open access: yes
This paper presents an energy and area efficient capacitively-coupled chopper instrumentation amplifier (CCIA) dedicated to implantable bridge sensor systems. Chopper stabilization is employed to decrease its offset and 1/f noise and the resulting ripple
Beghetti, Maurice   +5 more
core   +1 more source

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