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TO-3
本专题为EDN China电子技术设计网的TO-3专题,内容全部来自电子技术设计网精心选择与TO-3相关的资讯。EDN China 是第一家关注中国电子设计领域的媒体。在过去的20年,针对中国设计经理人和工程师的不同需要,不断提供最先进和有深度的设计技术和应用。
共搜索到22篇文章
2011-08-22 ADI推出一款集成式真RMS-to-DC:AD8436
?Analog Devices, Inc.(ADI),最近推出一款集成式真 RMS-to-DC AD8436,它提供一流的100 ?V至3 V可用动态范围,能够以高精度测量极低的信号电平,且建立时间内无压降。
2011-03-10 威锋科技独创USB 2.0到USB 3.0硬件加速芯片U3TT
威锋科技,挟其优异的领先技术,拥有业界最完整的USB 3.0产品线─主机端(Host)、集线器(Hub)及SATA Bridge/NAND Flash控制芯片。为了让USB 3.0接口更为普及,威锋开发出USB 2.0到USB 3.0硬件加速芯片(USB 2.0 to USB 3.0 Booster),简称为U3TT(USB 3.0 Transaction Translator)。
2010-04-07 晶圆级芯片封装和TO-92封装EEPROM
Microchip Technology Inc.(美国微芯科技公司)宣布推出单I/O总线UNI/O EEPROM器件并且开始供货,除了采用3引脚SOT-23封装,还提供微型晶圆级芯片封装和TO-92封装。
2009-09-22 5V~17V输入,3A SWIFT转换器评估模块TPS54325EVM
The TPS54325EVM (evaluation module) is designed for an input voltage of 5V to 17V and up to 3A output current. The TPS54325 is a single, adaptive on-time D-CAP2? mode synchronous buck converter. System designers may use the TPS54325 to complete various end equipment dc/dc converters with a low cost, low component count, low standly current solution.
2009-08-12 数模转换器:理想数模转换器中的谐波图像
The applet above demonstrates harmonic images (red) and spurs (blue) in an idealized DAC output.Images are located at N*Fs + M*Fo, where M=+/-1. Without external filtering image amplitudes roll off as sin(x)/x where x = pi*Fo / Fs. Spurious 2nd or 3rd harmonics of the fundamental are assumed to result from D/A nonlinearities and so remain folded within the baseband. These spurs in turn have their own harmonic images that roll off as sin(x)/x. The sin(x)/x envelope is shown in
2009-07-31 CS51411EVB:CS51411 1.5 A, 260 kHz 低压降压稳压器评估板
The CS51411 demonstration board is a 1.0 A/3.3 V buck regulator running at 260 kHz (CS51411) or 520 kHz (CS51413). The switching frequency can be synchronized to a higher frequency through feeding clock signals to the SYNC input. Driving SHDNB input low shuts down the converter output and minimizes the power consumption. The regulator has superior line and load regulation due to the use of V2E control. This control method also enhances the load transient response.
2009-07-31 (多图) CS5171BSTEVB:CS5171/3 演示评估板
The CS5171/2/3/4 Products are 280 kHz/560 kHz switching regulators with a high efficiency, 1.5 A integrated switch. These parts operate over a wide input voltage range, from 2.7 V to 30 V.
2009-06-26 高效、恒流LED驱动器,带有自适应充电泵和TinyWire单线控制的FAN5617评估板
The FAN5617 Evaluation Board is a compact circuit including the FAN5617 in a 3x3mm 16-pin MLP package. LED brightness is controlled via a simple one-wire digital interface. The evaluation board includes a USB interface with mini-B receptacle for easy connection to a PC.
2009-03-23 LM3691TL-1.8 DC-DC转换器评估板
The LM3691 step-down DC-DC converter is optimized for powering ultra-low voltage circuits from a single Li-Ion cell or 3 cell NiMH/NiCd batteries. It provides up to 1A load current, over an input voltage range from 2.3V to 5.5V. There are several different fixed voltage output options available.
2009-03-23 LM3691TL-1.2 DC-DC转换器评估板
The LM3691 step-down DC-DC converter is optimized for powering ultra-low voltage circuits from a single Li-Ion cell or 3 cell NiMH/NiCd batteries. It provides up to 1A load current, over an input voltage range from 2.3V to 5.5V. There are several different fixed voltage output options available.
2009-03-20 LM3686TL-AADWEV评估板
The LM3686 is a step-down DC-DC converter with a one integrated very low dropout linear regulator and a low noise linear regulator optimized for powering ultra-low voltage circuits from a single Li-Ion cell or 3 cell NiMH/NiCd batteries. It provides three outputs with combined load current up to 900 mA over an input voltage range from 2.7V to 5.5V. The device offers superior features and performance for many applications.
2009-03-19 TRIAX Board 3轴加速度传感演示方案
The TRIAX demo board was built to combine many of the demos available for accelerometer applications.? The TRIAX demo board will enable you to see how Freescale’s accelerometers can add additional functionality to applications in many different industries.? By thinking of accelerometer applications in terms of the measurements that are performed, they can be grouped into 5 categories – Tilt, Positioning, Movement, Vibration, and Shock.
2009-03-19 3轴加速度计参考设计
The STAR demo board was built to combine many of the demos available for accelerometer applications. This reference design enables multiple detection situations. The STAR board will enable you to see how Freescale's accelerometers can add additional functionality to applications in many different industries. By thinking of accelerometer applications in terms of the measurements that are performed, they can be grouped into 6 sensing functions – Fall, Tilt, Motion, Positioning, Shock and Vibration.
2009-03-19 采用56F801X的永磁同步电机和无刷直流电机的无传感器控制方案
This reference design of a 3-phase Permanent Magnet Synchronous Motor (PMSM) sensorless vector control drive and a Brushless DC (BLDC) Motor drive without position encoder coupled to the motor shaft. It uses a Freescale 56F8013 with Processor ExpertTM (PE) software support.
2009-03-10 ISE时序约束笔记3——Global Timing Constraints
问题思考:哪些路径是由CLK1进行周期约束?哪些路径是由pad-to-pad进行约束?
2009-01-08 (多图) 一种基于SoC应用的Rail-to-Rail运算放大器IP核
采用上华0.6μm DPDM CMOS工艺,设计实现了一种基于片上系统应用的低功耗、高增益Rail-to-Rail 运算放大器IP 核. 基于BSIM3V3 Spice 模型,采用Hspice对整个电路进行仿真,在5V的单电源电压工作条件下,直流开环增益达到107.8dB,相位裕度为62.4°,单位增益带宽为4.3MHz ,功耗只有0.34mW.
2008-11-05 IMEC的3-D堆叠芯片和系统设计
比利时研究机构IMEC(Leuven, Belgium) 表示,他们在3-D SIC(三维堆叠芯片)技术上获得重大进展,采用直径5um的铜穿透硅通孔(TSV)完成芯片与芯片(die-to-die)堆叠,并验证了该3-D芯片的功能。
2008-06-30 低通态电阻MOSFET功率密度提高50%
英飞凌日前推出采用SuperSO8和S3O8 (Shrink SuperSO8)封装的40V、60V和80V OptiMOS 3 N沟道MOSFET,在这些击穿电压下可提供无铅封装形式下的全球最低通态电阻。SuperSO8封装与标准TO(晶体管外形)封装相比,可使功率密度增大50%,特别是对于服务器开关模式电源的同步整流应用而言。例如采用SuperSO8封装的器件可以只用20%的占位空间提供与D-Pak封装相同的通态电阻。
2007-02-13 Inverter(逆变器、电压升压板)
Inverter是一种DC TO AC的变压器,它其实与Adapter是一种电压逆变的过程。Adapter是将市电电网的交流电压转变为稳定的12V直流输出,而Inverter是将Adapter输出的12V直流电压转变为高频的高压交流电;两个部分同样都采用了目前用得比较多的脉宽调制(PWM)技术。其核心部分都是一个PWM集成控制器,Adapter用的是UC3842,Inverter则采用TL5001芯片。TL5001的工作电压范围3.6~40V,其内部设有一个误差放大器,一个调节器、振荡器、有死区控制的PWM发生器、低压保护回路及短路保护回路等。
2006-09-19 SMIC携手Synopsys部署3.0流程
Synopsys公司与中芯国际日前共同宣布,两家公司联合开发和部署了参考设计流程3.0产品。SMIC和Synopsys服务部合作开发了全套RTL-to-GDSII流程。
今日焦点
说说TD-SCDMA的经验和教训

说说TD-SCDMA的经验和教训

2000亿元永远收不回的投资,换来一张五年就停止发展的TD-SCDMA网,而所谓自主知识产权比例饱受争议。蛮力改写科技产业路线,失败作结。[详细]


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