- 更多网络例句与单片电路相关的网络例句 [注:此内容来源于网络,仅供参考]
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The neutron monitor has high sensitivity, light weight and small size. A charge pump circuit is adopted for I-F converter of the gamma monitor. Local data acquisitor consists of CMOS single piece processor with high speed and low power dissipation. A FLEX microcomputer is used as remote centre computer for data handling and graph plotting.
它们的特点是:中子监测器的体积小、重量轻、灵敏度高;γ监测器的测量电路采用电荷泵电路构成的I-F变换电路;本地数据采集器是由高速低功耗CMOS单片计算机为核心组成的;远端中心计算机采用了FLEX微计算机系统对数据进行处理,并以绘图的方式输出,给出直观、便于分析的结果。
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It is sure that CMOS process will be replacing the III-V compound process such as gallium arsenide or silicon bipolar process that were dominant in the fields of radio frequency and microwave.
采用CMOS工艺进行射频电路设计的一个好处是,使得模拟射频收发器电路和基带信号处理电路由同种工艺实现,迎合了单片系统集成的发展趋势。
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Based on the models presented above, this paper provides the new design of the E1 to VC-4 mapping Application Specific Integrated Circuit that named MXLO21E1-3. The innovations of the chip are listed below.(1) One chip can fulfill 21 E1 tributaries to demultiplex and multiplex from and to two VC-4 buses that transfer in different directions (2) Put forward the new design scheme which combined the ADM system with TM system (3) Adopted the advanced pointer processor which remarkably restrain the output wander (4) Timing recovery is realized in the chip, which reduce the peripheral circuits The characters listed above made the MXLO21E1-3 advanced in the scale, system performance, and application allover the world.
在所建立的SDH系统集成模块概念的基础上,本文提出了一个新的SDH映射芯片MXLO21E1-3的方案设计,该方案创新性的特点在于:(1)单片实现21个E1双总线映射,其功能相当于目前国际应用最多的同类芯片的5倍(2)实现分插复用器ADM和终端复用器TM合二为一的系统设计(3)采用先进的指针处理,显著减小漂移(4)片内E1定时提取,进一步减少外围电路上述特点使该芯片在功能规模上,系统性能和应用上都具有国际领先水平。
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The invention discloses a method to integrate single CMOS with bulk silicon microelectromechanical system, its technical project: 1 forming isolating groove: adopting deep-groove etching, and SiO2 and polycrystal silicon filling to realize the insulation of MEMS structure and CMOS circuit; 2 making standard CMOS circuit; 3 using SiO2 and Si3N4 as mask, etching silicon on the back until exposing SiO2 at the bottom of the isolating groove, to complete the thickness control for MEMS silicon structure layer; 4 completing metalizing the CMOS circuit and masking the MEMS structure: MEMS structure region uses Al as mask and CMOS circuit region uses thick photoetching glue as mask, using DRIE to release silicon structure.
本发明公开了一种将单片CMOS与体硅微机械系统集成的方法,其技术方案为:1形成隔离槽:采用深槽刻蚀,SiO 2 和多晶硅填充,实现MEMS结构和CMOS电路的绝缘;2完成隔离槽后进行标准CMOS电路的加工;3用SiO 2 和Si 3 N 4 作掩膜,从背面腐蚀硅,直至暴露出隔离槽底部的SiO 2 ,完成MEMS硅结构层的厚度控制;4完成CMOS电路金属化和MEMS结构掩膜:MEMS结构区用铝作掩膜,CMOS电路区用厚光刻胶作掩膜,用DRIE释放硅结构。用本发明方法不仅获得了较大的质量块,而且用本发明较高的深宽比制作出的结构电容,同时实现了体硅微机械与CMOS电路的集成,显著提高MEMS传感器的精度和稳定性,具有前沿性和重要实用价值。
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However, the CMOS image sensors can provide stronger anti-radiation capacity than CCD as well as Single Chip Integrating with image sensors array, drive and control circuit, signal processing circuit, A/D conversion circuit and Completely Digital Interface Circuit. The CMOS image sensors also possess high quantum efficiency, wide spectral response, good response uniformity, low supply voltage and low request of clock. At the same time, the small bulk, high reliability, low power consumption and low cost are the prominent advantages of the CMOS image sensors too, thus CMOS image sensor has more exploiture foreground in X-ray real-time radioscopy imaging system.
由于CMOS 图像传感器比CCD 具有更强的抗辐射能力,还具有将图像传感器阵列、驱动和控制电路、信号处理电路、模数转换电路、全数字接口电路等实现单片集成以及量子效率高、光谱响应宽、响应均匀性好、工作电压低、对时钟脉冲要求低、体积小、重量轻、功耗低、高可靠、低成本等优点,因此在X 射线实时检测中更具有开发前景。
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The structural of mechanism adopted double pipes feed-in with mixing machine, special weighbridge for reducing bond; The hardware circuit make use of the programmable amplifier AD8555 which amplify the weak sensor signal and bridge imbalance compensation and gain error, at the same time,32-bit microprocessor LPC2134 was used as the core of the hardware to deal with the messages and send order to the implement machine. Software design transmits materiel by stages and FIR filter was adopted to remove big errors and enhance precision.
机械结构使用双管螺旋喂料机加搅拌机构,特殊的称斗结构;硬件电路采用数字可编程放大器AD8555作为称重传感器微弱电信号的放大器,以便于补偿桥式传感器的失调和增益误差,同时采用32位单片微处理器LPC2134作为整个电路的处理核心,及时处理称重信息,并向执行机构发送命令;软件根据称重值采取分阶段喂料,并加入了FIR软件滤波,滤除了粗大误差信号,提高了称重精度。
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In view of these shortcomings, this frequency meter has made the radical innovation in the design, its merit is: Uses the core component is the advanced monolithic special-purpose frequency measurement component -- monolithic frequency meter, the integration rate is high, the volume is small, consumes the electricity province, function, has realized the frequency meter high integration and the microminiaturization; So long as the monolithic frequency meter adds on the crystal oscillator, the measuring range choice, the frequency demonstrated and so on the very few components then constitute DC to the 10MHz miniature basic frequency measurement electric circuit; But the biggest merit was this frequency meter has realized monolithic frequency meter, frequency sampling electric circuit and the monolithic microcomputer three between hardware and the software connection completely, caused the frequency measurement measuring range the choice, the frequency data survey, the sampling as well as the code frontier transformation and the data dump possible monolithic microcomputer software programming automatically to carry on, thus has realized the frequency measurement and the sampling work intellectualizes completely, causes this system already to be possible to constitute a miniature intelligence to measure rate the instrument core electric circuit independently, also might take in the large-scale automatic control or a test system intelligent subsystem.
针对这些缺点,本频率计在设计上作了根本的革新,其优点是:所用核心器件是先进的单片专用测频器件——单片频率计,集成度高,体积小,耗电省,功能强,实现了频率计的高度集成化和微型化;单片频率计只要加上晶振、量程选择、频率显示等很少量的器件即可构成一个DC至10MHz的微型基本测频电路;而最大的优点则是本频率计完全实现了单片频率计、频率采样与单片微机三者之间的硬件与软件接口,使得测频量程的选择、频率数据的测量、采样以及编码的边境转换和数据的转储均可能过单片微机的软件编程自动进行,从而实现了测频与采样工作的完全智能化,使得本系统既可独立构成一个微型智能测率仪器的核心电路,也可作为大型自动控制或测试系统中的一个智能子系统。
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In view of these shortcomings this frequency meter has made the radical innovation in the design its merit is: Uses the core component is the advanced monolithic special-purpose frequency measurement component -- monolithic frequency meter the integration rate is high the volume is small consumes the electricity province function has realized the frequency meter high integration and the microminiaturization; So long as the monolithic frequency meter adds on the crystal oscillator the measuring range choice the frequency demonstrated and so on the very few components then constitute DC to the 10MHz miniature basic frequency measurement electric circuit; But the biggest merit was this frequency meter has realized monolithic frequency meter frequency sampling electric circuit and the monolithic microcomputer three between hardware and the software connection completely caused the frequency measurement measuring range the choice the frequency data survey the sampling as well as the code frontier transformation and the data dump possible monolithic microcomputer software programming automatically to carry on thus has realized the frequency measurement and the sampling work intellectualizes completely causes this system already to be possible to constitute a miniature intelligence to measure rate the instrument core electric circuit independently also might take in the large-scale automatic control or a test system intelligent subsystem.
摘要传统的测频仪器体积很大,耗能量大,主要靠手工操作,而最大的缺点是不可编程,其量程转换、数据测量、采样控制和处理等均不能通过程序指令来进行控制,无法作为一个微型智能子系统与某一大型自动控制或测试系统进行接口。针对这些缺点,本频率计再设计上作了根本的革新,其优点是:所用核心器件是先进的单片专用测频器件——单片频率计,集成度高,体积小,耗电省,功能强,实现了频率计的高度集成化和微型化;单片频率计只要加上晶振、量程选择、频率显示等很晌慰的器件即可构成一个DC至10MHz的微型基本测频电路;而最大的优点则是本频率计完全实现了单片频率计、频率采样与单片微机三者之间的硬件与软件接口,使得测频量程的选择、频率数据的测量、采样以及编码的边境转换和数据的转储均可能过单片微机的软件编程自动进行,从而实现了测频与采样工作的完全智能化,使得本系统既可独立构成一个微型智能测率仪器的核心电路,也可作为大型自动控制或测试系统中的一个智能子系统。关键词高度集成化,单片机,频率计,电路
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On the second and third plan, the quadrupler was made up of UMS's CHX-2089 and Minix's XX-1000 MMIC multiplier. The driver circuit's area still is very small. For two MMIC doublers, the driver circuit has only one input port of+12V.
同样在很小的面积内,设计了单片驱动电路,实现单一正压12V输入情况下,满足各个单片工作所需的各脚直流驱动,结合实验结果不断调整驱动电路。
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GaAs RF switch MMICs for cellular phone; GaAs RF power amplifier MMICs for cellular phone; GaAs RF switch MMICs for base station; GaAs RF attenuator MMICs for base station; RF module for base station; GaAs power amplifier MMICs for CATV; MOSFET power devices;SAW resonators; SAW filters; SAW duplexers; N type and P type 4"-6"silicon epitaxial wafers.
这次参展的产品有:用于移动蜂窝电话的砷化镓射频单片集成电路;用于移动通信基站的射频IC及电路模块;用于CATV的砷化镓IC;MOSFET等功率器件;声表面波谐振器;声表面波滤波器;声表面波双工器;4"-6"N型和P型各类硅外延片。
- 更多网络解释与单片电路相关的网络解释 [注:此内容来源于网络,仅供参考]
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Boost Chopper:升压斩波电路
功能全、通用性强的单片集成PWM控制器. 由于它简单、可靠及使用方便灵活,大大简化了脉宽调制器的设计及调试,故获得广泛使用. 熟悉降压斩波电路(Buck Chopper)和升压斩波电路(Boost Chopper)的工作原理,掌握这两种基本斩波电路的工作状态及波形情况.
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Integrated package:集成组件
integrated monolithic circuit 集成单片电路 | integrated package 集成组件 | integrated service digital network 综合服务数字网络
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monolithic microcircuit:单片微型电路
monolithic memory 单片存储器 | monolithic microcircuit 单片微型电路 | monolithic microprocessor 单片微处理器
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monolithic microcircuit:单片微型电路sjG中国学习动力网
monolithic memory 单片存储器sjG中国学习动力网 | monolithic microcircuit 单片微型电路sjG中国学习动力网 | monolithic microprocessor 单片微处理器sjG中国学习动力网
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monolithic memory:单片存储器
monolithic integration 单片集成电路 | monolithic memory 单片存储器 | monolithic microcircuit 单片微型电路
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monolithic memory:单片存储器sjG中国学习动力网
monolithic integration 单片集成电路sjG中国学习动力网 | monolithic memory 单片存储器sjG中国学习动力网 | monolithic microcircuit 单片微型电路sjG中国学习动力网
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monolithic circuit:单片电路
monodispersive system 单分散系 | monolithic circuit 单片电路 | monomer 单体
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monolithic circuit:单块电路,单片电路
monolithic | 单块,单片 | monolithic circuit | 单块电路,单片电路 | monolithic hybrid circuit | 单片混合电路
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monolithic circuit:单片电路sjG中国学习动力网
monolithic cell 单片单元sjG中国学习动力网 | monolithic circuit 单片电路sjG中国学习动力网 | monolithic component 单片元件sjG中国学习动力网
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compatible normal sequence:相容正规序列
compatible monolithic integrated circuit | 兼容型单片电路 | compatible normal sequence | 相容正规序列 | compatible software | 兼容软件