Results 31 to 40 of about 14,821 (206)

An expandable 36‐channel neural recording ASIC with modular digital pixel design technique

Electronics Letters, 2023
This paper presents the design and implementation of an expandable neural recording ASIC for multiple‐channel neural recording applications. The ASIC consists of 36 modular digital pixels (MDPs) and a global digital controller (GDC) circuit. Each MDP has
Quan Wang, Gang Wang, Changhua You, Xuan Zhang, Daoyin Liu, Huanhuan Zeng, Ning Xue, Lei Yao, Tie Li   +8 more
doaj   +1 more source

PixFEL: development of an X-ray diffraction imager for future FEL applications [PDF]

, 2017
A readout chip for diffraction imaging applications at new generation X-ray FELs (Free Electron Lasers) has been designed in a 65 nm CMOS technology. It consists of a 32 × 32 matrix, with square pixels and a pixel pitch of 110 µm.
Battignani, Giovanni, Benkechkache, Mohamed El Amine, Bettarini, Stefano, Casarosa, Giulia, Dalla Betta, Gian-Franco, Fabris, Lorenzo, Forti, Francesco, Giorgi, Marcello, Grassi, Marco, Lodola, Luca, Malcovati, Piero, Manghisoni, Massimo, Morsani, Fabio, Paladino, Antonio, Pancheri, Lucio, Paoloni, Eugenio, Ratti, Lodovico, Re, Valerio, Rizzo, Giuliana, Traversi, Gianluca, Vacchi, Carla, Verzellesi, G.   +21 more
core   +1 more source

A fully differential switched‐capacitor integrator based programmable resolution hybrid ADC architecture for biomedical applications

IET Circuits, Devices and Systems, 2021
A novel switched‐capacitor integrator based programmable resolution analog to digital converter (ADC) architecture is proposed. The proposed hybrid ADC architecture can be switched between successive approximation register (SAR) and delta‐sigma modulator
Sreenivasulu Polineni, Rekha S., M. S. Bhat   +2 more
doaj   +1 more source

Technology Scaling Impact on Embedded ADC Design for Telecom Receivers [PDF]

, 2005
This paper is concerned with the impact of technology scaling on the choice of A/D converters in telecom receivers. It is shown that the trend of diminishing feature size, together with better matching of passive components, allows the use of A/D ...
Andreani, Pietro, Baschirotto, Andrea, Malcovati, Piero, Nielsen, Jannik Hammel   +3 more
core   +1 more source

A Dynamic Tracking Algorithm Based SAR ADC in Bio-Related Applications

IEEE Access, 2018
This paper presents a novel dynamic tracking algorithm to boost the energy quality of successive approximation register analog-to-digital converter (ADC) in bio-related applications.
Zhong Zhang, Jing Li, Qihui Zhang, Kejun Wu, Ning Ning, Qi Yu   +5 more
doaj   +1 more source

A 6-bit, two-step, successive approximation logarithmic ADC for biomedical applications

, 2016
This paper presents the design and realization of a novel low-power 6-bit successive approximation logarithmic ADC for biomedical applications. A two-step successive approximation method is proposed to obtain a piecewise-linear approximation of the ...
Constandinou, TG, Sundarasaradula, Y, Thanachayanont, A   +2 more
core   +1 more source

Review of biorthogonal coupled cluster representations for electronic excitation [PDF]

, 2009
Single reference coupled-cluster (CC) methods for electronic excitation are based on a biorthogonal representation (bCC) of the (shifted) Hamiltonian in terms of excited CC states, also referred to as correlated excited (CE) states, and an associated set
A Köhn, A Meunier, AB Trofimov, AB Trofimov, AL Fetter, B Jeziorski, C Hättig, D Mukherjee, D Mukherjee, D Mukhopadhyay, E Dalgaard, F Coester, F Mertins, Frank Mertins, G Hose, H Koch, H Koch, H Koch, H Nakatsuji, H Nakatsuji, H Nakatsuji, H Sekino, HJ Monkhorst, I Lindgren, I Lindgren, J Cízek, J Cízek, J Geertsen, J Hubbard, J Paldus, J Schirmer, J Schirmer, J Schirmer, JF Stanton, JF Stanton, JF Stanton, Jochen Schirmer, K Hald, M Haque, M Nooijen, M Takahashi, O Christiansen, O Christiansen, PG Szalay, RJ Bartlett, S Ghosh, S Ghosh, S Hirata, S Pal, T Helgaker, W Kutzelnigg   +50 more
core   +1 more source

Hardware for digitally controlled scanned probe microscopes [PDF]

, 1992
The design and implementation of a flexible and modular digital control and data acquisition system for scanned probe microscopes (SPMs) is presented. The measured performance of the system shows it to be capable of 14-bit data acquisition at a 100-kHz ...
Baldeschwieler, J. D., Baselt, D. R., Clark, S. M., Spence, C. F., Youngquist, M. G.   +4 more
core   +1 more source

A Comparative Study of Dynamic Comparators for Low-Power Successive Approximation ADC

IEEE Open Journal of Circuits and Systems
This paper provides a critical review and the classification of comparators in low-power low-data-rate (1 kS/s~1.5 MS/s) successive approximation register analog-to-digital converters (SAR ADCs).
Fei Yuan
doaj   +1 more source

Two-Step Single Slope/SAR ADC with Error Correction for CMOS Image Sensor

The Scientific World Journal, 2014
Conventional two-step ADC for CMOS image sensor requires full resolution noise performance in the first stage single slope ADC, leading to high power consumption and large chip area.
Fang Tang, Amine Bermak, Abbes Amira, Mohieddine Amor Benammar, Debiao He, Xiaojin Zhao   +5 more
doaj   +1 more source