Results 71 to 80 of about 126,760 (143)

A chopper current-feedback instrumentation amplifier with a 1 mHz 1/f noise corner and an AC-coupled ripple reduction loop

, 2009
This paper presents a chopper instrumentation amplifier for interfacing precision thermistor bridges. For high CMRR and DC gain, the amplifier employs a three-stage current-feedback topology with nested-Miller compensation. By chopping both the input and
Wu, R. (author), Huijsing, J.H. (author), Makinwa, K.A.A. (author)   +2 more
core   +1 more source

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

Applied 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, Yiqun Niu, Bin Liu, Meng Li, Yansong Bai, Yuang Chen   +5 more
doaj   +1 more source

Design of a chopper-stabilized multipath operational amplifier

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

Applied 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, Jiaqi Li, Jiangduo Fu, Jiayin Song, Qingsong Cai, Shushan Qiao   +5 more
doaj   +1 more source

A 35 nV/√Hz Analog Front-End Circuit with Adjustable Bandwidth and Gain in UMC 40 nm CMOS for Biopotential Signal Acquisition

Sensors
This paper presents a 35 nV/√Hz analog front-end (AFE) circuitdesigned in the UMC 40 nm CMOS technology for the acquisition of biopotential signal. The proposed AFE consists of a capacitive-coupled instrumentation amplifier (CCIA) and a combination of a ...
Lu Liu, Bin Wang, Yiren Xu, Xiaokun Lin, Weitao Yang, Yinglong Ding   +5 more
doaj   +1 more source

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

, 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, BUTTI, FEDERICO, PIOTTO, MASSIMO, Paolo Bruschi, Federico Butti, BRUSCHI, PAOLO, F Butti, P Bruschi, M Piotto   +8 more
core   +1 more source

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

, 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 Fast 650V Chopper Driver

, 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

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, Dehollain, Catherine, Mattavelli, Marco, Barrettino, Diego, Besirli, Mustafa, Ture, Kerim   +5 more
core   +1 more source

49Design of Low 1 /f Noise Folded Cascode Operational Amplifier by Using Chopper Stabilization Technique [PDF]

Biological signals have low voltage and low frequency. Very low noise, high gain, fast speed and stable amplifier are necessary to process these signals.
タンノ, コウイチ, Tanno, Koichi, 淡野, 公一, Fadila, Norasarin Eritha   +3 more
core   +1 more source