Design and Performance of a 500 V Pulse Amplifier for the Chopper of the CERN Superonducting H$^-$ LINAC (SPL) [PDF]
The Superconducting H- Linac under study at CERN requires a high performance 3 MeV chopper. The pulse amplifier driving the chopper structure has to provide 500 V on 50 W, with rise and fall times below 2 ns at a repetition rate as high as 45 MHz.
Paoluzzi, Μ, Paoluzzi, M
core
DVCC-based very low-offset current-mode instrumentation amplifier
This paper presents an alternative implementation of a chopper-modulated current-mode instrumentation amplifier. The structure provides very low-offset voltage at the output due to chopper modulation and residual offset removal path.
Toker, Ali +3 more
core +1 more source
A 5.5 μW 42nV/√Hz Chopper stabilized Amplifier for Biomedical Application with Input Impedance Enhancement [PDF]
The continuous real-time monitoring of diverse physical parameters using biosignals like ECG and EEG requires the biomedical sensors. Such sensor consists of analog frontend unit for which low noise and low power Operational transconductance amplifier ...
Naik, Amisha, Adesara, Ankit Mukeshbhai
core +1 more source
This paper introduces a novel analog-to-digital converter (ADC) employing a passive noise-shaping (NS) technique combined with a chopper-stabilized comparator, enhancing performance and reducing ripple factor while maintaining low power consumption.
Thi Phuong Ha +4 more
doaj +1 more source
A 36 mu W Rail-to-Rail-Input Chopper Stabilized Amplifier using Correlated Double Sampling
This paper describes a chopper stabilized amplifier, obtained using an input chopper for modulation, an AC coupling for offset rejection and a correlated double sampling structure for demodulation, avoiding ripple spurs.
Baschirotto, A +5 more
core
A CMOS low-noise instrumentation amplifier using chopper modulation
This paper describes a low-power, low-noise chopper stabilized CMOS instrumentation amplifier for biomedical applications. Low thermal noise is achieved by employing MOSTs biased in the weak/moderate inversion region, whereas chopper stabilization is ...
Bruun, Erik, Nielsen, Jannik Hammel
core +1 more source
A Low-Noise Amplifier for Submarine Electric Field Signal Based on Chopping Amplification Technology
In the exploration of ocean resources, the submarine electric field signal plays a crucial role through marine electromagnetic methods. However, due to the field signal’s low-frequency and weak characteristics, it often encounters interference from the ...
Fenghai Liu +4 more
doaj +1 more source
A Wideband Current Amplifier with DC-offset Cancellation Utilizing Chopper Modulation
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
Design of a Low-Noise Low Dropout Regulator for CMOS Pixel Sensors
A low-noise Low Dropout Regulator (LDO) is designed in a Semiconductor Manufacturing International Corporation (SMIC) $0.18~\mu $ m process, aiming at supply of a clean and constant clamping voltage in the operation of Correlated Double Sampling (CDS ...
Shi Zhan +4 more
doaj +1 more source
Low-power amplifier chopper stabilization for a digital-to-analog converter [PDF]
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

