Results 51 to 60 of about 124,127 (185)
Micromachines, 2018 This paper proposes a reconfigurable sensor analog front-end using low-noise chopper-stabilized delta-sigma capacitance-to-digital converter (CDC) for capacitive microsensors.
Hyungseup Kim +8 more
doaj +1 more source
A CMOS low-noise instrumentation amplifier using chopper modulation
, 2005 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 fully differential capacitively-coupled high CMRR low-power chopper amplifier for EEG dry electrodes [PDF]
, 2020 The use of dry electrodes is increasing rapidly. Since their impedance is high, there is a high impedance node at the connecting node between the electrode and amplifier.
Ytterdal, Trond +2 more
core +1 more source
EngFor high-voltage signal detection applications, an auto-zero and chopper operational amplifier (OPA) is proposed in this paper. With the auto-zero and chopper technique, the OPA adopts an eight-channel Ping-Pong mechanism to reduce the high-frequency ...
Zhifeng Chen +3 more
doaj +1 more source
DESIGN OF SMART SENSORS FOR DETECTION OF PHYSICAL QUANTITIES [PDF]
, 2010 Microsystems and integrated smart sensors represent a flourishing business thanks to the manifold benefits of these devices with respect to their respective macroscopic counterparts.
DEI, MICHELE
core
Characterization of the semiconductor optical amplifier for amplification and photonic switching employing the segmentation model [PDF]
, 2008 This paper characterizes the gain and the carrier density responses of a semiconductor optical amplifier (SOA). In order to achieve the switching functions in SOA-based optical switches, such as Symmetric Mach-Zehnder (SMZ), the effect of the input ...
Ghassemlooy, Zabih +11 more
core +1 more source
High Efficiency Power Amplifier Based on Envelope Elimination and Restoration Technique [PDF]
, 2010 Due to complex envelope and phase modulation employed in modern transmitters it is necessary to use power amplifiers that have high linearity. Linear power amplifiers (classes A, B and AB) are commonly used, but they suffer from low efficiency especially
Alou Cervera, Pedro +9 more
core
A Wide-Band High-Resolution Transmitter for Optical Isolation Amplifier
Journal of Electrical and Computer Engineering, 2020 A wide-band and high-resolution transmitter of optical isolation amplifier is proposed for switching power supply isolation and servo motor drive applications. The transmitter is based on the chopper-stabilized technique and sigma delta modulator.
Chengying Chen +3 more
doaj +1 more source
Chopper amplifier circuit with CMOS switches and amplifier FETs
, 1997 of NL 1001231 (C2) The input voltage is fed to the inputs of an operational amplifier via a chopping reversal switchThe CMOS operational amplifier has a current source and a current mirror.
Huijsing, J.H. +3 more
core +1 more source
Low-noise micro-power chopper amplifier for MEMS gas sensor [PDF]
, 2011 In this paper, a low-noise, low-power and low voltage Chopper Stabilized CMOS Amplifier (CHS-A) is presented and simulated using transistor model parameters of the AMS 0.35 μm CMOS process.
Aguir, K. +5 more
core