Results 31 to 40 of about 11,726 (308)
Design of sigma-delta modulator 10-16 bits for resolver digital converter
Dianzi Jishu Yingyong, 2022 In this paper, a sigma-delta modulator for 10-16 bit resolver digital converter is designed. The modulator is a second-order structure. On this basis, a chopper modulator circuit is added to eliminate the flicker noise.
Gu Jun, Zhang Guohua, Zhu Xiaoyu
doaj +1 more source
Fully differential electro-mechanical phase locked loop sensor circuit [PDF]
, 2013 Embedding a micro-machined sensing element in a closed loop, force feedback system is a technique commonly used to realise high performance MEMS (micro-electro-mechanical systems) sensors due to the advantages of better linearity, increased dynamic range
Wilcock, Reuben +5 more
core +1 more source
Force feedback linearization for higher-order electromechanical sigma-delta modulators.
, 2005 A higher-order electromechanical sigma–delta modulator can greatly improve the signal-to-noise ratio compared with a second-order loop that only uses the sensing element as a loop filter.
Redman-White, William +2 more
core +1 more source
Anwendung einer Switched-System Modellierung zur Stabilitätsanalyse von zeitkontinuierlichen singlebit ΣΔ-Wandlern [PDF]
Advances in Radio Science, 2011 Im Hinblick auf die Optimierung von zeitkontinuierlichen ΣΔ-Wandlern ist ein genaues Verständnis der dynamischen Eigenschaften des Systems von essentieller Bedeutung.
S. Stegemann +4 more
doaj +1 more source
Contribution to the design of continuous -time Sigma - Delta Modulators based on time delay elements [PDF]
, 2008 The research carried out in this thesis is focused in the development of a new class of data converters for digital radio. There are two main architectures for communication receivers which perform a digital demodulation.
Prefasi Sen, Enrique José +1 more
core
SNDR sensitivity analysis for cascaded ΣΔ modulators [PDF]
, 2000 Cascade, single and multi-bit, ΣΔ architectures provide stable, high order quantization noise shaping used in high resolution A/D conversion. One major disadvantage of cascaded ΣΔ topologies is the extreme SNDR sensitivity to gain mismatch between the ...
Hoke, M, Kocak, T, Morizio, J, Geddie, C
core +1 more source
FEBS Letters, EarlyView.Biomolecular condensates formed by fused in sarcoma (FUS) are dissolved by high ATP concentrations yet persist in cells. Using a reconstituted system, we demonstrate that valosin‐containing protein (VCP), an AAA+ ATPase, counteracts ATP‐driven dissolution of FUS condensates through its D2 ATPase activity.
Hitomi Kimura +2 more
wiley +1 more source
Design and Implementation of Decimation Filter for 13-bit Sigma-Delta ADC Based on FPGA
Tikrit Journal of Engineering Sciences, 2022 A 13 bit Sigma-Delta ADC for a signal band of 40K Hz is designed in MATLAB Simulink and then implemented using Xilinx system generator tool. The first order Sigma-Delta modulator is designed to work at a signal band of 40 KHz at an oversampling ratio ...
Khalid Khaleel Mohammed +1 more
doaj +1 more source
Design methodology for a maximum sequence length MASH digital delta-sigma modulator [PDF]
, 2009 The paper proposes a novel structure for a MASH digital delta-sigma modulator (DDSM) in order to achieve a long sequence length. The expression for the sequence length is derived. The condition to produce the maximum sequence length is also stated. It is
Xu, Tao, Condon, Marissa
core
Molecular Oncology, EarlyView.Dimethyl fumarate (DMF) reduces growth of HPV‐positive cervical cancer spheroids and induces ferroptosis in cervical cancer cells via blocking SLC7A11/Glutathione (GSH) axis. Combination of subcytotoxic doses of DMF and cisplatin (CDDP) further suppresses spheroid growth and drives cell death in 2D culture models.
Carolina Punziano +6 more
wiley +1 more source