Results 31 to 40 of about 3,988,589 (240)

Curvature correction of the BandGap reference output voltage

open access: yes, 2023
Tato diplomová práce se zabývá návrhem BandGap referencí podle P. Brokawa, v jednoduchém CMOS procesu a příslušných kompenzačních obvodů pro korekci křivosti výstupního napětí.
Žeravík, František
core   +2 more sources

Hollow core photonic bandgap fibre for truly single mode operation

open access: yes, 2008
Based on extensive numerical simulations we fabricate a 3-cell core photonic bandgap fibre.
Petrovich, M.N.   +7 more
core   +1 more source

A bandgap reference source with higher-order curvature compensation

open access: yesDianzi Jishu Yingyong
Based on the 0.18 μm BCD process, a higher-order curvature compensation bandgap reference with low temperature coefficient is proposed. On the basis of the basic Kuijk bandgap reference structure, the VBE linearization method is used to perform high ...
Huang Chaoxuan, Li Xiankun, Wei Jinghe
doaj   +1 more source

Symmetry‐Guided Multifunctional Acoustic System Based on Mechanically Actuated Sonic Crystals

open access: yesAdvanced Engineering Materials, EarlyView.
This study presents the design, simulation, and experimental validation of amultifunctional acoustic metamaterial based on rotationally engineered sonic crystals.By tuning cylinder orientations, controllable band gaps and six distinct functionalities—including switching, topological insulation, beam splitting, and logic operations—areachieved ...
Yuanyan Zhao   +2 more
wiley   +1 more source

A 1.2V −55°C‐125°C ultra‐low noise bandgap voltage reference without start‐up circuit

open access: yesElectronics Letters, 2023
This paper proposes a novel bandgap voltage reference (BGR) with low temperature coefficient, ultra‐low noise and without start‐up circuit. Designed in a TSMC 180‐nm CMOS technology, this bandgap voltage reference operates in the temperature range of −55
Linzhi Tao, Haoyu Zhuang, Qiang Li
doaj   +1 more source

Novel Methods for Improved Particle Swarm Optimization in Designing the Bandgap Reference Circuit

open access: yesIEEE Access, 2023
Bandgap reference (BGR) circuits play a crucial role as voltage reference generators for other components within a variety of analog integrated circuits.
Trang Hoang   +3 more
doaj   +1 more source

A low power bandgap voltage reference for low-dropout regulator [PDF]

open access: yes, 2015
A low power Bandgap Voltage Reference (BGR) is designed to supply a voltage reference for a low voltage Low-Dropout Regulator (LDO). This bandgap design consists of a bandgap core circuit, an output stage and a start-up circuit. The output of the bandgap
Chu-Liang Lee   +7 more
core   +1 more source

Uniform Amorphization of Crystalline Silicon Surfaces Enabled by Deep Ultraviolet Femtosecond Laser Pulses

open access: yesAdvanced Engineering Materials, EarlyView.
Deep‐UV (258 nm) femtosecond pulses enable uniform amorphous silicon writing on Si(100)/(111) with a six‐fold larger fluence amorphization window than NIR methods. Optimized fluence and overlap yield 20–45 nm uniform and continuous amorphous layers. Microscopy shows sharp interfaces, and real‐time reflectivity reveals nanosecond melt–resolidification ...
Wissal Benali   +5 more
wiley   +1 more source

A high or low temperature compensation bandgap reference voltage with pre-regulated voltage circuit

open access: yesXibei Gongye Daxue Xuebao, 2022
分析了带隙基准电压分段补偿技术与基本原理, 提出一种具有预稳压功能的高低温补偿带隙基准电路。应用高低温补偿电路优化了温度系数, 设置预稳压电路提高了带隙基准电路的电源抑制比。基于0.35 μm标准CMOS工艺设计并绘制了电路及版图。仿真结果表明, 在-55~125℃范围内, 温漂系数仅为1.8×10-6/℃; 电源抑制比为-84.6 dB(在1 kHz下); 在2.6~5 V的电源幅度范围下, 电源抑制性能为19.6 μV/V。该电路可应用于高精度系统设计中。
LIU Xiaoxuan   +3 more
doaj   +1 more source

Enhanced Ultrasound Transmission Through Aberration Layers Using Space‐Coiling Acoustic Metamaterials

open access: yesAdvanced Engineering Materials, EarlyView.
Enhancing ultrasound transmission through an aberration layer exhibiting mismatched impedance with the surrounding medium possesses great implications in imaging and treatment. In this study, we show that a space‐coiling acoustic metamaterial with judiciously tailored structural profile can help improve impedance matching.
Maral Ghanami   +4 more
wiley   +1 more source

Home - About - Disclaimer - Privacy